From d14a74cc09c7f049eb4aa24ff88b8ec8c4aa7de5 Mon Sep 17 00:00:00 2001
From: Volker Schukai <volker.schukai@schukai.com>
Date: Wed, 18 Oct 2023 01:41:13 +0200
Subject: [PATCH] feat: implement core functions
---
.config/demo_ssh_key | 16 ++
.config/demo_ssh_key.pub | 1 +
.config/sshd_config | 14 ++
.config/temp_ed25518_key | 7 +
.config/temp_ed25518_key.pub | 1 +
.config/temp_rsa_key | 38 ++++
.config/temp_rsa_key.pub | 1 +
.idea/go.imports.xml | 6 +
.mockery.yaml | 2 +
cmd/main.go | 39 ----
devenv.nix | 48 +++++
error.go | 23 ---
errors.go | 32 +++
event-bus.go | 69 +++++++
event-bus_test.go | 91 +++++++++
executor.go | 246 -----------------------
executor_test.go | 137 -------------
go.mod | 46 ++++-
go.sum | 125 +++++++++++-
gob.go | 47 -----
gob_test.go | 29 ---
import.go | 177 +++++++++++++++++
import_test.go | 124 ++++++++++++
issue-1_test.go | 135 -------------
job-log.go | 6 +-
job-run.go | 202 -------------------
job-stat.go | 23 ---
job-status.go | 17 --
job.go | 252 ++++++++++++++----------
job_test.go | 232 ++++++++++------------
jobs.go | 240 -----------------------
jobs_test.go | 44 -----
json.go | 65 -------
json_test.go | 1 -
log-writer.go | 108 -----------
manager.go | 331 +++++++++++++++++++++----------
manager_test.go | 196 +++++++++++++++++++
manger_test.go | 158 ---------------
prority.go | 9 -
queue.go | 120 ++++++++++++
queue_test.go | 220 +++++++++++++++++++++
runnable-counter.go | 38 ++++
runnable-counter_test.go | 24 +++
runnable-dummy.go | 13 ++
runnable-dummy_test.go | 16 ++
runnable-fileoperation.go | 99 ++++++++++
runnable-fileoperation_test.go | 67 +++++++
runnable-gorm.go | 55 ++++++
runnable-gorm_test.go | 46 +++++
runnable-http.go | 53 +++++
runnable-http_test.go | 36 ++++
runnable-mail.go | 79 ++++++++
runnable-mail_test.go | 186 ++++++++++++++++++
runnable-sftp.go | 209 ++++++++++++++++++++
runnable-sftp_test.go | 296 ++++++++++++++++++++++++++++
runnable-shell.go | 52 +++++
runnable-shell_test.go | 46 +++++
runnable.go | 91 ++-------
runnable_test.go | 135 +++----------
scheduler.go | 344 +++++++++++++++++++++++++++++++++
scheduler_test.go | 257 ++++++++++++++++++++++++
topological-sort.go | 80 ++++----
topological-sort_test.go | 172 +++++++++--------
worker.go | 179 +++++++++++++++++
worker_test.go | 204 +++++++++++++++++++
65 files changed, 4284 insertions(+), 2171 deletions(-)
create mode 100644 .config/demo_ssh_key
create mode 100644 .config/demo_ssh_key.pub
create mode 100644 .config/sshd_config
create mode 100755 .config/temp_ed25518_key
create mode 100644 .config/temp_ed25518_key.pub
create mode 100755 .config/temp_rsa_key
create mode 100644 .config/temp_rsa_key.pub
create mode 100644 .idea/go.imports.xml
create mode 100644 .mockery.yaml
delete mode 100644 cmd/main.go
delete mode 100644 error.go
create mode 100644 errors.go
create mode 100644 event-bus.go
create mode 100644 event-bus_test.go
delete mode 100644 executor.go
delete mode 100644 executor_test.go
delete mode 100644 gob.go
delete mode 100644 gob_test.go
create mode 100644 import.go
create mode 100644 import_test.go
delete mode 100644 issue-1_test.go
delete mode 100644 job-run.go
delete mode 100644 job-status.go
delete mode 100644 jobs.go
delete mode 100644 jobs_test.go
delete mode 100644 json.go
delete mode 100644 json_test.go
delete mode 100644 log-writer.go
create mode 100644 manager_test.go
delete mode 100644 manger_test.go
delete mode 100644 prority.go
create mode 100644 queue.go
create mode 100644 queue_test.go
create mode 100644 runnable-counter.go
create mode 100644 runnable-counter_test.go
create mode 100644 runnable-dummy.go
create mode 100644 runnable-dummy_test.go
create mode 100644 runnable-fileoperation.go
create mode 100644 runnable-fileoperation_test.go
create mode 100644 runnable-gorm.go
create mode 100644 runnable-gorm_test.go
create mode 100644 runnable-http.go
create mode 100644 runnable-http_test.go
create mode 100644 runnable-mail.go
create mode 100644 runnable-mail_test.go
create mode 100644 runnable-sftp.go
create mode 100644 runnable-sftp_test.go
create mode 100644 runnable-shell.go
create mode 100644 runnable-shell_test.go
create mode 100644 scheduler.go
create mode 100644 scheduler_test.go
create mode 100644 worker.go
create mode 100644 worker_test.go
diff --git a/.config/demo_ssh_key b/.config/demo_ssh_key
new file mode 100644
index 0000000..df84a93
--- /dev/null
+++ b/.config/demo_ssh_key
@@ -0,0 +1,16 @@
+-----BEGIN OPENSSH PRIVATE KEY-----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+-----END OPENSSH PRIVATE KEY-----
diff --git a/.config/demo_ssh_key.pub b/.config/demo_ssh_key.pub
new file mode 100644
index 0000000..789af9f
--- /dev/null
+++ b/.config/demo_ssh_key.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQDsK33rIMpnW2g6MyKChRX5uYf/PuRJbC3IuCMRDM3R0NTzwujR5soOPZ8dujUZmcAmDvuoOogbNYyJjyg45+JlemPyw+8OZWhJbIDApmHMgeKCI1j3L2dbfzLbyVQL+xEF701NEooTKrY27dABDrSTMjlwq5nMqyVTsLP71/yJGw== vs@a4229d75
diff --git a/.config/sshd_config b/.config/sshd_config
new file mode 100644
index 0000000..3a3eba6
--- /dev/null
+++ b/.config/sshd_config
@@ -0,0 +1,14 @@
+
+AuthorizedKeysCommand /nix/store/w8vm09hri2zz7yacryzzzxvsapik4ps4-coreutils-9.1/bin/cat /home/vs/workspaces/oss/go-libs/job-queues/.devenv/chroot/home/demo/.ssh/authorized_keys
+AuthorizedKeysCommandUser nobody
+
+Match User root
+ ChrootDirectory /home/vs/workspaces/oss/go-libs/job-queues/.devenv/chroot
+ ForceCommand internal-sftp
+ PasswordAuthentication no
+ PermitTunnel no
+ AllowAgentForwarding no
+ AllowTcpForwarding no
+ X11Forwarding no
+ PermitRootLogin no
+ AllowUsers demo root
diff --git a/.config/temp_ed25518_key b/.config/temp_ed25518_key
new file mode 100755
index 0000000..dbe53f1
--- /dev/null
+++ b/.config/temp_ed25518_key
@@ -0,0 +1,7 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACBxagk6nB2R86bvLZ7aNKHsmMAVeU67fIo2Wdp+EymHTgAAAJBntrIpZ7ay
+KQAAAAtzc2gtZWQyNTUxOQAAACBxagk6nB2R86bvLZ7aNKHsmMAVeU67fIo2Wdp+EymHTg
+AAAEBPmQk0dpM/BVsTi3hfROLxOgq/bzv4Sef0PNoK9Ra2NnFqCTqcHZHzpu8tnto0oeyY
+wBV5Trt8ijZZ2n4TKYdOAAAAC3ZzQGE0MjI5ZDc1AQI=
+-----END OPENSSH PRIVATE KEY-----
diff --git a/.config/temp_ed25518_key.pub b/.config/temp_ed25518_key.pub
new file mode 100644
index 0000000..42c680f
--- /dev/null
+++ b/.config/temp_ed25518_key.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHFqCTqcHZHzpu8tnto0oeyYwBV5Trt8ijZZ2n4TKYdO vs@a4229d75
diff --git a/.config/temp_rsa_key b/.config/temp_rsa_key
new file mode 100755
index 0000000..045d57e
--- /dev/null
+++ b/.config/temp_rsa_key
@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----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+-----END OPENSSH PRIVATE KEY-----
diff --git a/.config/temp_rsa_key.pub b/.config/temp_rsa_key.pub
new file mode 100644
index 0000000..24908e3
--- /dev/null
+++ b/.config/temp_rsa_key.pub
@@ -0,0 +1 @@
+ssh-rsa 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 vs@a4229d75
diff --git a/.idea/go.imports.xml b/.idea/go.imports.xml
new file mode 100644
index 0000000..be62eaf
--- /dev/null
+++ b/.idea/go.imports.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="GoImports">
+ <option name="optimizeImportsOnTheFly" value="false" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/.mockery.yaml b/.mockery.yaml
new file mode 100644
index 0000000..57ff361
--- /dev/null
+++ b/.mockery.yaml
@@ -0,0 +1,2 @@
+name: "SFTPServerInterface"
+output: "./mocks"
\ No newline at end of file
diff --git a/cmd/main.go b/cmd/main.go
deleted file mode 100644
index 4ee4766..0000000
--- a/cmd/main.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package main
-
-import (
- "fmt"
- jobqueue "gitlab.schukai.com/oss/libraries/go/services/job-queues.git"
-)
-
-func main() {
- jq := jobqueue.NewJobs()
- if jq == nil {
- panic("NewJobs returned nil")
- }
-
- // Hinzufügen eines neuen Jobs
- err := jq.AddJob(jobqueue.JobSpecification{
- Id: "test",
- Priority: 1,
- }, &jobqueue.ExternalProcessRunner{
- Command: "sleep",
- Args: []string{"1"},
- })
- if err != nil {
- panic(err)
- }
-
- // Abrufen aller Jobs
- allJobs := jq.GetJobs()
- fmt.Println("Alle Jobs:", allJobs)
-
- // Entfernen eines Jobs
- removed, err := jq.RemoveJob("test")
- if err != nil {
- panic(err)
- }
- if removed {
- fmt.Println("Job wurde entfernt.")
- }
-
-}
diff --git a/devenv.nix b/devenv.nix
index f0ce8c2..2185cd4 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -43,6 +43,7 @@
zlib
nodePackages.mermaid-cli
feh
+ openssh
];
@@ -52,6 +53,52 @@
difftastic.enable = true;
+ scripts.run-sshd.exec = ''
+ set -x
+
+ cd ${config.devenv.root}/docker/sftp-server
+ ${pkgs.docker-client}/bin/docker docker build -t jobqueue-sftp-server .
+ cd -
+
+
+
+ ${pkgs.coreutils}/bin/chmod 700 ${config.devenv.root}/.config/temp_rsa_key
+ ${pkgs.coreutils}/bin/chmod 700 ${config.devenv.root}/.config/temp_ed25518_key
+
+ ${pkgs.coreutils}/bin/mkdir -p ${config.devenv.root}/.devenv/chroot/home/demo/.ssh
+ ${pkgs.coreutils}/bin/cat ${config.devenv.root}/.config/demo_ssh_key.pub > ${config.devenv.root}/.devenv/chroot/home/demo/.ssh/authorized_keys
+ ${pkgs.coreutils}/bin/chmod 700 ${config.devenv.root}/.devenv/chroot/home/demo/.ssh
+ ${pkgs.coreutils}/bin/chmod 600 ${config.devenv.root}/.devenv/chroot/home/demo/.ssh/authorized_keys
+
+
+ ${pkgs.coreutils}/bin/cat <<EOF > ${config.devenv.root}/.config/sshd_config
+
+AuthorizedKeysCommand ${pkgs.coreutils}/bin/cat ${config.devenv.root}/.devenv/chroot/home/demo/.ssh/authorized_keys
+AuthorizedKeysCommandUser nobody
+
+Match User root
+ ChrootDirectory ${config.devenv.root}/.devenv/chroot
+ ForceCommand internal-sftp
+ PasswordAuthentication no
+ PermitTunnel no
+ AllowAgentForwarding no
+ AllowTcpForwarding no
+ X11Forwarding no
+ PermitRootLogin no
+ AllowUsers demo root
+EOF
+
+
+ ${pkgs.openssh}/bin/sshd -D -e -o \
+ HostKey=${config.devenv.root}/.config/temp_rsa_key \
+ -f ${config.devenv.root}/.config/sshd_config \
+ -o HostKey=${config.devenv.root}/.config/temp_ed25518_key \
+ -o Port=''${1:-2222} \
+ -o AuthorizedKeysFile=${config.devenv.root}/.devenv/chroot/home/demo/.ssh/authorized_keys \
+ -o PidFile=${config.devenv.root}/.devenv/sshd.pid
+
+ '';
+
scripts.draw-graph.exec = ''
echo -e "Enter Meirmaid graph definition. ''${RED}End with Ctrl+D''${RESET}\n"
diagram=$(${pkgs.gum}/bin/gum write --placeholder "Enter Meirmaid graph definition. End with Ctrl+D")
@@ -660,4 +707,5 @@
printLogfileAndExit 0
'';
+
}
diff --git a/error.go b/error.go
deleted file mode 100644
index 85dfb4b..0000000
--- a/error.go
+++ /dev/null
@@ -1,23 +0,0 @@
-package jobqueue
-
-import "fmt"
-
-var (
- ErrCPUPercentage = fmt.Errorf("could not get CPU percentage")
- ErrIntervalIsZero = fmt.Errorf("interval must not be 0")
- ErrResourceLimitExceeded = fmt.Errorf("resource limit exceeded")
- ErrNoRunDefined = fmt.Errorf("no runnable function defined")
- ErrCycleDetected = fmt.Errorf("cycle detected")
- ErrJobAlreadyExists = fmt.Errorf("job already exists")
- ErrUnknownDependency = fmt.Errorf("unknown dependency")
- ErrMissingDependency = fmt.Errorf("missing dependency")
- ErrJobNotFound = fmt.Errorf("job not found")
- ErrJobIsDependency = fmt.Errorf("job is a dependency")
- ErrNotRunning = fmt.Errorf("job queue is not running")
- ErrAlreadyPaused = fmt.Errorf("job queue is already paused")
- ErrAlreadyStopped = fmt.Errorf("job queue is already stopped")
- ErrNotPaused = fmt.Errorf("job queue is not paused")
- ErrAlreadyStarted = fmt.Errorf("job queue is already started")
- ErrTimeout = fmt.Errorf("job timed out")
- //ErrInitializationFailed = fmt.Errorf("resource monitoring initialization failed")
-)
diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..ec304a7
--- /dev/null
+++ b/errors.go
@@ -0,0 +1,32 @@
+package jobqueue
+
+import (
+ "fmt"
+)
+
+var (
+ ErrMissingDependency = fmt.Errorf("missing dependency")
+ ErrCycleDetected = fmt.Errorf("cycle detected")
+ ErrQueueEmpty = fmt.Errorf("queue is empty")
+ ErrJobAlreadyExists = fmt.Errorf("job already exists")
+ ErrWorkerNotRunning = fmt.Errorf("worker is not running")
+ ErrMaxJobsReached = fmt.Errorf("maximum number of jobs reached")
+ ErrWorkerAlreadyRunning = fmt.Errorf("worker is already running")
+ ErrWorkerAlreadyAdded = fmt.Errorf("worker is already added")
+ ErrWorkerNotAdded = fmt.Errorf("worker is not added")
+ ErrNoWorkers = fmt.Errorf("no workers")
+ ErrWorkerAlreadyStopped = fmt.Errorf("worker is already stopped")
+ ErrManagerAlreadyStopped = fmt.Errorf("manager is already stopped")
+ ErrManagerAlreadyRunning = fmt.Errorf("manager is already running")
+ ErrManagerNotRunning = fmt.Errorf("manager is not running")
+ ErrJobNotScheduled = fmt.Errorf("job is not scheduled")
+ ErrCronNotInitialized = fmt.Errorf("cron is not initialized")
+ ErrCPUPercentage = fmt.Errorf("cpu percentage must be between 0 and 100")
+ ErrIntervalIsZero = fmt.Errorf("interval must be greater than 0")
+ ErrUnknownRunnableType = fmt.Errorf("unknown runnable type")
+ ErrUnknownSchedulerType = fmt.Errorf("unknown scheduler type")
+ ErrUnsupportedDatabaseType = fmt.Errorf("unsupported database type")
+ ErrUnsupportedFileOption = fmt.Errorf("unsupported file option")
+ ErrUnsupportedCredentialType = fmt.Errorf("unsupported credential type")
+ ErrUnsupportedTransferDirection = fmt.Errorf("unsupported transfer direction")
+)
diff --git a/event-bus.go b/event-bus.go
new file mode 100644
index 0000000..23def45
--- /dev/null
+++ b/event-bus.go
@@ -0,0 +1,69 @@
+package jobqueue
+
+import (
+ "sync"
+)
+
+type EventName string
+
+const (
+ JobAdded EventName = "JobAdded"
+ JobRemoved EventName = "JobRemoved"
+ ExecuteJob EventName = "ExecuteJob"
+ JobReady EventName = "JobReady"
+ QueueJob EventName = "QueueJob"
+ // add more events as needed
+)
+
+type Event struct {
+ Name EventName
+ Data any
+}
+
+// EventBus is a simple event bus
+type EventBus struct {
+ subscribers map[EventName][]chan interface{}
+ mu sync.RWMutex
+}
+
+// NewEventBus creates a new event bus
+func NewEventBus() *EventBus {
+ return &EventBus{
+ subscribers: make(map[EventName][]chan interface{}),
+ }
+}
+
+// Subscribe adds a channel to the subscribers list
+func (eb *EventBus) Subscribe(name EventName, ch chan interface{}) {
+ eb.mu.Lock()
+ defer eb.mu.Unlock()
+ if _, found := eb.subscribers[name]; !found {
+ eb.subscribers[name] = []chan interface{}{}
+ }
+ eb.subscribers[name] = append(eb.subscribers[name], ch)
+}
+
+// Unsubscribe removes a channel from the subscribers list
+func (eb *EventBus) Unsubscribe(name EventName, ch chan interface{}) {
+ eb.mu.Lock()
+ defer eb.mu.Unlock()
+ if channels, found := eb.subscribers[name]; found {
+ for i := range channels {
+ if channels[i] == ch {
+ eb.subscribers[name] = append(channels[:i], channels[i+1:]...)
+ break
+ }
+ }
+ }
+}
+
+// Publish publishes an event to all subscribers
+func (eb *EventBus) Publish(name EventName, data interface{}) {
+ eb.mu.RLock()
+ defer eb.mu.RUnlock()
+ if channels, found := eb.subscribers[name]; found {
+ for _, ch := range channels {
+ ch <- Event{Name: name, Data: data}
+ }
+ }
+}
diff --git a/event-bus_test.go b/event-bus_test.go
new file mode 100644
index 0000000..66671b6
--- /dev/null
+++ b/event-bus_test.go
@@ -0,0 +1,91 @@
+package jobqueue
+
+import (
+ "sync"
+ "testing"
+ "time"
+)
+
+func TestSubscribeAndPublish(t *testing.T) {
+ eb := NewEventBus()
+
+ jobAddedCh := make(chan interface{}, 1)
+ eb.Subscribe(JobAdded, jobAddedCh)
+
+ jobData := "New Job Data"
+ eb.Publish(JobAdded, jobData)
+
+ select {
+ case receivedData := <-jobAddedCh:
+
+ rd := receivedData.(Event)
+
+ if rd.Data != jobData {
+ t.Errorf("Received data %v, want %v", receivedData, jobData)
+ }
+ case <-time.After(1 * time.Second):
+ t.Error("Timed out waiting for published event")
+ }
+}
+
+func TestUnsubscribe(t *testing.T) {
+ eb := NewEventBus()
+
+ jobAddedCh := make(chan interface{}, 1)
+ eb.Subscribe(JobAdded, jobAddedCh)
+ eb.Unsubscribe(JobAdded, jobAddedCh)
+
+ jobData := "New Job Data"
+ eb.Publish(JobAdded, jobData)
+
+ select {
+ case <-jobAddedCh:
+ t.Error("Received data after unsubscribing")
+ case <-time.After(1 * time.Second):
+ // Test passes if it times out (no data received)
+ }
+}
+
+func TestMultipleSubscribers(t *testing.T) {
+ eb := NewEventBus()
+
+ jobAddedCh1 := make(chan interface{}, 1)
+ jobAddedCh2 := make(chan interface{}, 1)
+ eb.Subscribe(JobAdded, jobAddedCh1)
+ eb.Subscribe(JobAdded, jobAddedCh2)
+
+ jobData := "New Job Data"
+ eb.Publish(JobAdded, jobData)
+
+ var wg sync.WaitGroup
+ wg.Add(2)
+
+ go func() {
+ defer wg.Done()
+ select {
+ case receivedData := <-jobAddedCh1:
+ rd := receivedData.(Event)
+ if rd.Data != jobData {
+ t.Errorf("Received data %v, want %v", receivedData, jobData)
+ }
+ case <-time.After(1 * time.Second):
+ t.Error("Timed out waiting for published event on channel 1")
+ }
+ }()
+
+ go func() {
+ defer wg.Done()
+ select {
+ case receivedData := <-jobAddedCh2:
+ rd := receivedData.(Event)
+
+ if rd.Data != jobData {
+ t.Errorf("Received data %v, want %v", receivedData, jobData)
+ }
+ case <-time.After(1 * time.Second):
+ t.Error("Timed out waiting for published event on channel 2")
+ }
+ }()
+
+ wg.Wait()
+}
diff --git a/executor.go b/executor.go
deleted file mode 100644
index d9b767e..0000000
--- a/executor.go
+++ /dev/null
@@ -1,246 +0,0 @@
-package jobqueue
-
-import (
- "context"
- "sync"
- "sync/atomic"
- "time"
-)
-
-const (
- MODE_STOPPED = iota
- MODE_RUNNING
- MODE_PAUSED
-)
-
-type mode int32
-
-type shouldStopFunc func(executor *jobExecutor) bool
-
-type jobExecutor struct {
- mutex sync.Mutex
-
- Queue JobsInterface
- Ctx context.Context
- CancelFunc context.CancelFunc
- MaxParallel int
- interval time.Duration
- Ticker *time.Ticker
- cleanupTimer *time.Ticker
- //stopChan chan struct{}
- sem chan struct{}
-
- pauseChan chan struct{}
- resumeChan chan struct{}
-
- runningMode int32
-
- doneChan chan struct{}
-
- shouldStop shouldStopFunc
-}
-
-func NewJobExecutor(queue JobsInterface, maxParallel int, interval time.Duration, shouldStopFunc shouldStopFunc) *jobExecutor {
-
- execCtx, cancelFunc := context.WithCancel(context.Background())
-
- return &jobExecutor{
- Queue: queue,
- Ctx: execCtx,
- CancelFunc: cancelFunc,
- MaxParallel: maxParallel,
- interval: interval,
- Ticker: nil,
- cleanupTimer: nil,
- //stopChan: make(chan struct{}),
- sem: make(chan struct{}, maxParallel),
-
- pauseChan: make(chan struct{}),
- resumeChan: make(chan struct{}),
- runningMode: MODE_STOPPED,
- shouldStop: shouldStopFunc,
- }
-}
-
-func (je *jobExecutor) executeJobs() {
-
- je.mutex.Lock()
- je.Ticker = time.NewTicker(je.interval)
- je.cleanupTimer = time.NewTicker(10 * je.interval)
- je.setRunningFlag(MODE_RUNNING)
- je.mutex.Unlock()
-
- for {
- select {
- case <-je.Ticker.C:
-
- if !je.IsPaused() {
- je.runJobs()
- if je.shouldStop != nil && je.shouldStop(je) {
- _ = je.Stop()
- return
- }
- }
-
- case <-je.cleanupTimer.C:
- je.Queue.Cleanup()
- case <-je.pauseChan:
- je.setRunningFlag(MODE_PAUSED)
- case <-je.resumeChan:
- je.setRunningFlag(MODE_RUNNING)
- case <-je.Ctx.Done():
-
- je.mutex.Lock()
- je.Ticker.Stop()
- je.cleanupTimer.Stop()
- je.setRunningFlag(MODE_STOPPED)
- je.mutex.Unlock()
-
- return
- }
- }
-
-}
-
-func (je *jobExecutor) runJobs() {
- // Get jobs that can be executed
- jobs := je.Queue.GetExecutableJobs()
- if len(jobs) == 0 {
- return
- }
-
- var wg sync.WaitGroup
-
- // Map to track the status of executed jobs
- jobStatus := make(map[JobIDType]bool)
- for _, job := range jobs {
- jobStatus[job.GetId()] = false
- }
-
- // Channel for coordinating job execution
- jobChan := make(chan ReadOnlyJob)
-
- // Determine the number of jobs to be sent to the channel
- for _, job := range jobs {
- dependencies := job.GetDependencies()
- canRun := true
- for _, dependencyID := range dependencies {
- // Check if dependencies have already been executed
- if !jobStatus[dependencyID] {
- canRun = false
- break
- }
- }
-
- if canRun {
- wg.Add(1) // Increment the WaitGroup counter for each job to be sent
- }
- }
-
- // Loop through all jobs and execute only if dependencies are met
- go func() {
- for _, job := range jobs {
- dependencies := job.GetDependencies()
- canRun := true
- for _, dependencyID := range dependencies {
- // Check if dependencies have already been executed
- if !jobStatus[dependencyID] {
- canRun = false
- break
- }
- }
-
- if canRun {
- // Send the job to the job channel
- jobChan <- job
- }
- }
- close(jobChan) // Close the channel after all jobs have been sent
- }()
-
- maxParallel := je.MaxParallel
- if len(jobs) < maxParallel {
- maxParallel = len(jobs)
- }
-
- // Execute jobs in parallel
- for i := 0; i < maxParallel; i++ {
- go func() {
- for job := range jobChan {
- job.Run(je.Ctx)
- // Mark the job as executed
- jobStatus[job.GetId()] = true
- wg.Done()
- }
- }()
- }
-
- // Wait for all jobs to complete before returning
- wg.Wait()
-}
-
-func (je *jobExecutor) Start() error {
-
- if je.IsRunning() {
- return ErrAlreadyStarted
- }
-
- if je.IsPaused() {
- return je.Resume()
- }
-
- go je.executeJobs()
- return nil
-}
-
-func (je *jobExecutor) Stop() error {
-
- if !je.IsRunning() && !je.IsPaused() {
- return ErrAlreadyStopped
- }
-
- je.CancelFunc()
- return nil
-}
-
-func (je *jobExecutor) Pause() error {
-
- if je.IsPaused() {
- return ErrAlreadyPaused
- }
-
- je.mutex.Lock()
- je.pauseChan <- struct{}{}
- je.setRunningFlag(MODE_PAUSED)
- je.mutex.Unlock()
-
- return nil
-
-}
-
-func (je *jobExecutor) Resume() error {
-
- if !je.IsPaused() {
- return ErrNotPaused
- }
-
- je.mutex.Lock()
- je.resumeChan <- struct{}{}
- je.setRunningFlag(MODE_RUNNING)
- je.mutex.Unlock()
-
- return nil
-
-}
-
-func (je *jobExecutor) IsPaused() bool {
- return atomic.LoadInt32(&je.runningMode) == MODE_PAUSED
-}
-
-func (je *jobExecutor) IsRunning() bool {
- return atomic.LoadInt32(&je.runningMode) == MODE_RUNNING
-}
-
-func (je *jobExecutor) setRunningFlag(mode int32) {
- atomic.StoreInt32(&je.runningMode, mode)
-}
diff --git a/executor_test.go b/executor_test.go
deleted file mode 100644
index f38f6aa..0000000
--- a/executor_test.go
+++ /dev/null
@@ -1,137 +0,0 @@
-package jobqueue
-
-import (
- "context"
- "testing"
- "time"
-)
-
-type TestRunnable struct{}
-
-func (r TestRunnable) Run(ctx context.Context) (int, any, error) {
- // Dummy run implementation
- return 0, nil, nil
-}
-
-func TestJobExecutorStartAndStop(t *testing.T) {
- queue := NewJobs()
- executor := NewJobExecutor(queue, 1, time.Millisecond*50, nil)
-
- // Fügen Sie einen Job zur Warteschlange hinzu
- err := queue.AddJob(JobSpecification{
- Id: "test-job",
- Priority: 1,
- Concurrency: 1,
- }, TestRunnable{})
-
- if err != nil {
- t.Fatalf("Failed to add job: %v", err)
- }
-
- err = executor.Start()
- if err != nil {
- t.Errorf("Failed to start executor: %v", err)
- }
-
- for i := 0; i < 10; i++ {
- time.Sleep(time.Millisecond * 100)
- if executor.IsRunning() {
- break
- }
- }
-
- if !executor.IsRunning() {
- t.Errorf("Executor should be running")
- }
-
- err = executor.Stop()
- for i := 0; i < 10; i++ {
- time.Sleep(time.Millisecond * 100)
- if !executor.IsRunning() {
- break
- }
- }
-
- if err != nil {
- t.Errorf("Failed to stop executor: %v", err)
- }
-
- if executor.IsRunning() {
- t.Errorf("Executor should not be running")
- }
-}
-
-func TestJobExecutorPauseAndResume(t *testing.T) {
- queue := NewJobs()
- executor := NewJobExecutor(queue, 1, time.Millisecond*50, nil)
-
- // Fügen Sie einen Job zur Warteschlange hinzu
- err := queue.AddJob(JobSpecification{
- Id: "test-job",
- Priority: 1,
- Concurrency: 1,
- }, TestRunnable{})
- if err != nil {
- t.Fatalf("Failed to add job: %v", err)
- }
-
- err = executor.Start()
- if err != nil {
- t.Errorf("Failed to start executor: %v", err)
- }
-
- for i := 0; i < 10; i++ {
- time.Sleep(time.Millisecond * 100)
- if executor.IsRunning() {
- break
- }
- }
-
- err = executor.Pause()
- if err != nil {
- t.Errorf("Failed to pause executor: %v", err)
- }
-
- for i := 0; i < 10; i++ {
- time.Sleep(time.Millisecond * 100)
- if executor.IsPaused() {
- break
- }
- }
-
- if !executor.IsPaused() {
- t.Errorf("Executor should be paused")
- }
-
- err = executor.Resume()
- if err != nil {
- t.Errorf("Failed to resume executor: %v", err)
- }
-
- for i := 0; i < 10; i++ {
- time.Sleep(time.Millisecond * 100)
- if executor.IsRunning() {
- break
- }
- }
-
- if executor.IsPaused() {
- t.Errorf("Executor should not be paused")
- }
-
- err = executor.Stop()
- if err != nil {
- t.Errorf("Failed to stop executor: %v", err)
- }
-
- for i := 0; i < 10; i++ {
- time.Sleep(time.Millisecond * 100)
- if !executor.IsRunning() {
- break
- }
- }
-
- if executor.IsRunning() {
- t.Errorf("Executor should not be running")
- }
-}
diff --git a/go.mod b/go.mod
index adcd800..4f9576d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,19 +3,47 @@ module gitlab.schukai.com/oss/libraries/go/services/job-queues.git
go 1.20
require (
+ github.com/docker/docker v24.0.6+incompatible
+ github.com/pkg/sftp v1.13.6
+ github.com/robfig/cron/v3 v3.0.1
+ github.com/shirou/gopsutil/v3 v3.23.9
+ github.com/stretchr/testify v1.8.4
+ golang.org/x/crypto v0.14.0
+ gopkg.in/yaml.v3 v3.0.1
+ gorm.io/driver/mysql v1.5.2
+ gorm.io/gorm v1.25.5
+)
+
+require (
+ github.com/DATA-DOG/go-sqlmock v1.5.0 // indirect
+ github.com/Microsoft/go-winio v0.6.1 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
- github.com/go-ole/go-ole v1.2.6 // indirect
- github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
+ github.com/distribution/reference v0.5.0 // indirect
+ github.com/docker/distribution v2.8.3+incompatible // indirect
+ github.com/docker/go-connections v0.4.0 // indirect
+ github.com/docker/go-units v0.5.0 // indirect
+ github.com/go-ole/go-ole v1.3.0 // indirect
+ github.com/go-sql-driver/mysql v1.7.1 // indirect
+ github.com/gogo/protobuf v1.3.2 // indirect
+ github.com/jinzhu/inflection v1.0.0 // indirect
+ github.com/jinzhu/now v1.1.5 // indirect
+ github.com/kr/fs v0.1.0 // indirect
+ github.com/lufia/plan9stats v0.0.0-20231016141302-07b5767bb0ed // indirect
+ github.com/moby/term v0.5.0 // indirect
+ github.com/morikuni/aec v1.0.0 // indirect
+ github.com/opencontainers/go-digest v1.0.0 // indirect
+ github.com/opencontainers/image-spec v1.0.2 // indirect
+ github.com/pkg/errors v0.9.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
- github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
- github.com/robfig/cron/v3 v3.0.1 // indirect
- github.com/shirou/gopsutil v3.21.11+incompatible // indirect
- github.com/shirou/gopsutil/v3 v3.23.9 // indirect
+ github.com/power-devops/perfstat v0.0.0-20221212215047-62379fc7944b // indirect
github.com/shoenig/go-m1cpu v0.1.6 // indirect
- github.com/stretchr/testify v1.8.4 // indirect
github.com/tklauser/go-sysconf v0.3.12 // indirect
github.com/tklauser/numcpus v0.6.1 // indirect
github.com/yusufpapurcu/wmi v1.2.3 // indirect
- golang.org/x/sys v0.12.0 // indirect
- gopkg.in/yaml.v3 v3.0.1 // indirect
+ golang.org/x/mod v0.8.0 // indirect
+ golang.org/x/net v0.10.0 // indirect
+ golang.org/x/sys v0.13.0 // indirect
+ golang.org/x/time v0.3.0 // indirect
+ golang.org/x/tools v0.6.0 // indirect
+ gotest.tools/v3 v3.5.1 // indirect
)
diff --git a/go.sum b/go.sum
index 9bed6c8..8181d58 100644
--- a/go.sum
+++ b/go.sum
@@ -1,27 +1,68 @@
+github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
+github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
+github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
+github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
+github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
+github.com/distribution/reference v0.5.0 h1:/FUIFXtfc/x2gpa5/VGfiGLuOIdYa1t65IKK2OFGvA0=
+github.com/distribution/reference v0.5.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
+github.com/docker/distribution v2.8.3+incompatible h1:AtKxIZ36LoNK51+Z6RpzLpddBirtxJnzDrHLEKxTAYk=
+github.com/docker/distribution v2.8.3+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
+github.com/docker/docker v24.0.6+incompatible h1:hceabKCtUgDqPu+qm0NgsaXf28Ljf4/pWFL7xjWWDgE=
+github.com/docker/docker v24.0.6+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
+github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
+github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
+github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
+github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
+github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
+github.com/go-sql-driver/mysql v1.7.0/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
+github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
+github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 h1:6E+4a0GO5zZEnZ81pIr0yLvtUWk2if982qA3F3QD6H4=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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github.com/shoenig/go-m1cpu v0.1.6 h1:nxdKQNcEB6vzgA2E2bvzKIYRuNj7XNJ4S/aRSwKzFtM=
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@@ -34,16 +75,82 @@ github.com/tklauser/go-sysconf v0.3.12 h1:0QaGUFOdQaIVdPgfITYzaTegZvdCjmYO52cSFA
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diff --git a/gob.go b/gob.go
deleted file mode 100644
index ec53366..0000000
--- a/gob.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package jobqueue
-
-import (
- "bytes"
- "encoding/gob"
- "sync"
-)
-
-// SerializeJob serializes JobData and JobSpecification into a byte slice
-func (j *job) SerializeJob() ([]byte, error) {
- var buf bytes.Buffer
- enc := gob.NewEncoder(&buf)
-
- if err := enc.Encode(j.JobData); err != nil {
- return nil, err
- }
- if err := enc.Encode(j.JobSpecification); err != nil {
- return nil, err
- }
-
- return buf.Bytes(), nil
-}
-
-// DeserializeJob deserializes a byte slice into a job struct
-func DeserializeJob(data []byte) (*job, error) {
- var jobData JobData
- var jobSpec JobSpecification
-
- buf := bytes.NewBuffer(data)
- dec := gob.NewDecoder(buf)
-
- if err := dec.Decode(&jobData); err != nil {
- return nil, err
- }
- if err := dec.Decode(&jobSpec); err != nil {
- return nil, err
- }
-
- job := &job{
- JobData: jobData,
- JobSpecification: jobSpec,
- mu: sync.Mutex{},
- //ctx: context.Background(),
- }
-
- return job, nil
-}
diff --git a/gob_test.go b/gob_test.go
deleted file mode 100644
index 170ec9a..0000000
--- a/gob_test.go
+++ /dev/null
@@ -1,29 +0,0 @@
-package jobqueue
-
-import (
- "github.com/stretchr/testify/assert"
- "testing"
-)
-
-func TestSerializationAndDeserialization(t *testing.T) {
- // Create a job instance and populate its fields
- originalJob := &job{
- JobSpecification: JobSpecification{
- Id: "testJob",
- Priority: 1,
- },
- }
-
- // Serialize the job to a byte slice
- data, err := originalJob.SerializeJob()
- assert.Nil(t, err)
-
- // Deserialize the byte slice back to a job struct
- deserializedJob, err := DeserializeJob(data)
- assert.Nil(t, err)
-
- // Compare the original and deserialized jobs
- assert.Equal(t, originalJob.Id, deserializedJob.Id)
- assert.Equal(t, originalJob.Priority, deserializedJob.Priority)
-
-}
diff --git a/import.go b/import.go
new file mode 100644
index 0000000..371f122
--- /dev/null
+++ b/import.go
@@ -0,0 +1,177 @@
+package jobqueue
+
+import (
+ "gopkg.in/yaml.v3"
+ "os"
+ "time"
+)
+
+type JobImport struct {
+ ID string `yaml:"id" json:"id"`
+ Priority int `yaml:"priority" json:"priority"`
+ Timeout time.Duration `yaml:"timeout" json:"timeout"`
+ MaxRetries uint `yaml:"maxRetries" json:"maxRetries"`
+ RetryDelay time.Duration `yaml:"retryDelay" json:"retryDelay"`
+ Dependencies []string `yaml:"dependencies" json:"dependencies,omitempty"`
+ Runnable RunnableImport `yaml:"runnable" json:"runnable"`
+ Scheduler SchedulerImport `yaml:"scheduler" json:"scheduler,omitempty"`
+}
+
+type RunnableImport struct {
+ Type string `yaml:"type" json:"type"`
+ Data map[string]any `yaml:"data,omitempty" json:"data,omitempty"`
+}
+
+type SchedulerImport struct {
+ Type string `yaml:"type" json:"type"`
+ Interval time.Duration `yaml:"interval,omitempty" json:"interval,omitempty"`
+ Spec string `yaml:"spec,omitempty" json:"spec,omitempty"`
+ Delay time.Duration `yaml:"delay,omitempty" json:"delay,omitempty"`
+ Event string `yaml:"event,omitempty" json:"event,omitempty"`
+}
+
+func ReadYAMLFile(filePath string) ([]JobImport, error) {
+ data, err := os.ReadFile(filePath)
+ if err != nil {
+ return nil, err
+ }
+
+ var jobs []JobImport
+ err = yaml.Unmarshal(data, &jobs)
+ if err != nil {
+ return nil, err
+ }
+
+ return jobs, nil
+}
+
+func ReadJsonFile(filePath string) ([]JobImport, error) {
+ data, err := os.ReadFile(filePath)
+ if err != nil {
+ return nil, err
+ }
+
+ var jobs []JobImport
+ err = yaml.Unmarshal(data, &jobs)
+ if err != nil {
+ return nil, err
+ }
+
+ return jobs, nil
+}
+
+func CreateJobAndSchedulerFromImport(jobImport JobImport) (GenericJob, Scheduler, error) {
+
+ var job GenericJob
+
+ switch jobImport.Runnable.Type {
+ case "Shell":
+
+ runner := &ShellRunnable{
+ ScriptPath: jobImport.Runnable.Data["ScriptPath"].(string),
+ }
+
+ job = GenericJob(&Job[ShellResult]{
+ id: JobID(jobImport.ID),
+ priority: Priority(jobImport.Priority),
+ timout: jobImport.Timeout,
+ maxRetries: jobImport.MaxRetries,
+ RetryDelay: jobImport.RetryDelay,
+ runner: runner,
+ })
+
+ case "Counter":
+ runner := &CounterRunnable{
+ Count: jobImport.Runnable.Data["Count"].(int),
+ }
+ job = GenericJob(&Job[CounterResult]{
+ id: JobID(jobImport.ID),
+ priority: Priority(jobImport.Priority),
+ timout: jobImport.Timeout,
+ maxRetries: jobImport.MaxRetries,
+ RetryDelay: jobImport.RetryDelay,
+ runner: runner,
+ })
+
+ case "HTTP":
+ runner := &HTTPRunnable{
+ URL: jobImport.Runnable.Data["URL"].(string),
+ }
+ job = GenericJob(&Job[HTTPResult]{id: JobID(jobImport.ID),
+ priority: Priority(jobImport.Priority),
+ timout: jobImport.Timeout,
+ maxRetries: jobImport.MaxRetries,
+ RetryDelay: jobImport.RetryDelay,
+ runner: runner,
+ })
+
+ case "DB":
+ runner := &DBRunnable{
+ Query: jobImport.Runnable.Data["Query"].(string),
+ }
+ job = GenericJob(&Job[DBResult]{id: JobID(jobImport.ID),
+ priority: Priority(jobImport.Priority),
+ timout: jobImport.Timeout,
+ maxRetries: jobImport.MaxRetries,
+ RetryDelay: jobImport.RetryDelay,
+ runner: runner,
+ })
+
+ default:
+ return nil, nil, ErrUnknownRunnableType
+ }
+
+ var scheduler Scheduler
+ switch jobImport.Scheduler.Type {
+ case "Interval":
+ scheduler = &IntervalScheduler{Interval: jobImport.Scheduler.Interval}
+
+ case "Cron":
+ scheduler = &CronScheduler{Spec: jobImport.Scheduler.Spec}
+
+ case "Delay":
+ scheduler = &DelayScheduler{Delay: jobImport.Scheduler.Delay}
+
+ case "Event":
+ scheduler = &EventScheduler{Event: EventName(jobImport.Scheduler.Event)}
+
+ default:
+ return nil, nil, ErrUnknownSchedulerType
+ }
+
+ return job, scheduler, nil
+}
+
+func LoadJobsAndSchedule(filePath string, manager *Manager) error {
+
+ var err error
+ var imp []JobImport
+
+ switch filePath[len(filePath)-4:] {
+ case "yaml":
+ imp, err = ReadJsonFile(filePath)
+ break
+ case "json":
+ imp, err = ReadYAMLFile(filePath)
+ break
+
+ }
+
+ if err != nil {
+ return err
+ }
+
+ for _, imp := range imp {
+ job, scheduler, err := CreateJobAndSchedulerFromImport(imp)
+ if err != nil {
+ return err
+ }
+
+ err = manager.ScheduleJob(job, scheduler)
+ if err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
diff --git a/import_test.go b/import_test.go
new file mode 100644
index 0000000..056ccef
--- /dev/null
+++ b/import_test.go
@@ -0,0 +1,124 @@
+package jobqueue
+
+import (
+ "github.com/stretchr/testify/assert"
+ "io/ioutil"
+ "os"
+ "testing"
+ "time"
+)
+
+func TestCreateJobAndSchedulerFromInput(t *testing.T) {
+ tests := []struct {
+ name string
+ input JobImport
+ wantJob GenericJob
+ wantSched Scheduler
+ wantErr bool
+ }{
+ {
+ name: "Shell Runnable and Interval Scheduler",
+ input: JobImport{
+ ID: "1",
+ Priority: 1,
+ Timeout: 10 * time.Second,
+ MaxRetries: 3,
+ RetryDelay: 2 * time.Second,
+ Runnable: RunnableImport{
+ Type: "Shell",
+ Data: map[string]any{"ScriptPath": "script.sh"},
+ },
+ Scheduler: SchedulerImport{
+ Type: "Interval",
+ Interval: 1 * time.Minute,
+ },
+ },
+ wantJob: GenericJob(&Job[ShellResult]{ /* Initialization */ }),
+ wantSched: &IntervalScheduler{Interval: 1 * time.Minute},
+ wantErr: false,
+ },
+ {
+ name: "Shell Runnable and Cron Scheduler",
+ input: JobImport{
+ ID: "1",
+ Priority: 1,
+ Runnable: RunnableImport{
+ Type: "Shell",
+ Data: map[string]any{"ScriptPath": "script.sh"},
+ },
+ Scheduler: SchedulerImport{
+ Type: "Cron",
+ Spec: "*/5 * * * *",
+ },
+ },
+ wantJob: GenericJob(&Job[ShellResult]{ /* Initialization */ }),
+ wantSched: &CronScheduler{ /* Initialization */ },
+ wantErr: false,
+ },
+ }
+
+ for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ gotJob, gotSchedule, err := CreateJobAndSchedulerFromImport(tt.input)
+
+ if (err != nil) != tt.wantErr {
+ t.Errorf("CreateJobAndSchedulerFromImport() error = %v, wantErr %v", err, tt.wantErr)
+ return
+ }
+
+ assert.Equal(t, JobID(tt.input.ID), gotJob.GetID(), "Job ID mismatch")
+ assert.Equal(t, Priority(tt.input.Priority), gotJob.GetPriority(), "Job Priority mismatch")
+
+ assert.Equal(t, tt.input.Scheduler.Type, gotSchedule.GetType(), "Scheduler Type mismatch")
+
+ })
+ }
+}
+
+func TestReadJsonFile(t *testing.T) {
+ testContent := `[{"id": "1", "priority": 1}]`
+ tempFile, err := ioutil.TempFile("", "test.json")
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(tempFile.Name())
+
+ if _, err := tempFile.Write([]byte(testContent)); err != nil {
+ t.Fatal(err)
+ }
+ tempFile.Close()
+
+ jobs, err := ReadJsonFile(tempFile.Name())
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ if len(jobs) != 1 || jobs[0].ID != "1" || jobs[0].Priority != 1 {
+ t.Errorf("Expected job with ID '1' and priority 1, got %+v", jobs)
+ }
+}
+
+func TestReadYAMLFile(t *testing.T) {
+ testContent := `- id: "1"
+ priority: 1
+`
+ tempFile, err := ioutil.TempFile("", "test.yaml")
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(tempFile.Name())
+
+ if _, err := tempFile.Write([]byte(testContent)); err != nil {
+ t.Fatal(err)
+ }
+ tempFile.Close()
+
+ jobs, err := ReadYAMLFile(tempFile.Name())
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ if len(jobs) != 1 || jobs[0].ID != "1" || jobs[0].Priority != 1 {
+ t.Errorf("Expected job with ID '1' and priority 1, got %+v", jobs)
+ }
+}
diff --git a/issue-1_test.go b/issue-1_test.go
deleted file mode 100644
index 9669fbc..0000000
--- a/issue-1_test.go
+++ /dev/null
@@ -1,135 +0,0 @@
-package jobqueue
-
-import (
- "errors"
- "testing"
-)
-
-// TestJobQueueWithDependencies
-// Test if jobs are sorted by priority and dependencies
-//
-// graph TD
-//
-// A[Job1-PriorityDefault]
-// B[Job2-PriorityHigh]
-// C[Job3-PriorityLow]
-// D[Job4-PriorityCritical]
-//
-// A --> B
-// A --> C
-// C --> D
-func TestRunJobQueueWithDependencies(t *testing.T) {
- jq := NewJobs()
- if jq == nil {
- t.Errorf("NewJobs returned nil")
- }
-
- // create new jobs
- job1 := newJob(JobSpecification{Id: "1"}) // default priority is PriorityDefault
- job2 := newJob(JobSpecification{Id: "2"})
- job2.JobSpecification.Priority = PriorityHigh
- job3 := newJob(JobSpecification{Id: "3"})
- job3.JobSpecification.Priority = PriorityLow
- job4 := newJob(JobSpecification{Id: "4"})
- job4.JobSpecification.Priority = PriorityCritical
-
- job3.JobSpecification.Dependencies = []JobIDType{"1"}
- job4.JobSpecification.Dependencies = []JobIDType{"3"}
- job2.JobSpecification.Dependencies = []JobIDType{"1"}
-
- _ = job1
-
-}
-
-func TestIssue1NewJobQueue(t *testing.T) {
- jq := NewJobs()
- if jq == nil {
- t.Errorf("NewJobs returned nil")
- }
-
- // create new jobs
- job1 := JobSpecification{Id: "1"} // default priority is PriorityDefault
- job2 := JobSpecification{Id: "2", Priority: PriorityHigh}
- job3 := JobSpecification{Id: "3", Priority: PriorityLow}
- job4 := JobSpecification{Id: "4", Priority: PriorityCritical}
-
- // add jobs to jobs
- if err := jq.AddJob(job1, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- if err := jq.AddJob(job1, nil); err == nil || !errors.Is(err, ErrJobAlreadyExists) {
- t.Errorf("Expected ErrJobAlreadyExists, got %v", err)
- }
-
- if err := jq.AddJob(job2, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- // add job3 and job4 to jobs
- if err := jq.AddJob(job3, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- if err := jq.AddJob(job4, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- // check if jobs are in jobs
- if len(jq.jobs) != 4 {
- t.Errorf("Failed to add all jobs to jobs")
- }
-
-}
-
-// TestJobQueueWithDependencies
-// Test if jobs are sorted by priority and dependencies
-//
-// graph TD
-//
-// A[Job1-PriorityDefault]
-// B[Job2-PriorityHigh]
-// C[Job3-PriorityLow]
-// D[Job4-PriorityCritical]
-//
-// A --> B
-// A --> C
-// C --> D
-func TestJobQueueWithDependencies(t *testing.T) {
- jq := NewJobs()
- if jq == nil {
- t.Errorf("NewJobs returned nil")
- }
-
- job1 := JobSpecification{Id: "1"} // default priority is PriorityDefault
- job2 := JobSpecification{Id: "2", Priority: PriorityHigh, Dependencies: []JobIDType{"1"}}
- job3 := JobSpecification{Id: "3", Priority: PriorityLow, Dependencies: []JobIDType{"1"}}
- job4 := JobSpecification{Id: "4", Priority: PriorityCritical, Dependencies: []JobIDType{"3"}}
-
- // set dependencies
- // job1 depends on nothing
- // job2 depends on job1
- // job3 depends on job1
- // job4 depends on job3
- // add jobs to jobs
- if err := jq.AddJob(job1, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- if err := jq.AddJob(job2, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- if err := jq.AddJob(job3, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
- if err := jq.AddJob(job4, nil); err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- // check if jobs are in jobs
- if len(jq.jobs) != 4 {
- t.Errorf("Failed to add all jobs to jobs")
- }
-
-}
diff --git a/job-log.go b/job-log.go
index a0be1c7..171039e 100644
--- a/job-log.go
+++ b/job-log.go
@@ -20,7 +20,7 @@ type JobLog struct {
Disk int64 `json:"disk"`
Network int64 `json:"network"`
} `json:"io"`
- ErrorMsg string `json:"error_msg"`
- IsSuccessful bool `json:"is_successful"`
- Metadata map[string]string `json:"metadata"`
+ ErrorMsg string `json:"error_msg"`
+ IsSuccessful bool `json:"is_successful"`
+ //Metadata map[string]string `json:"metadata"`
}
diff --git a/job-run.go b/job-run.go
deleted file mode 100644
index c468404..0000000
--- a/job-run.go
+++ /dev/null
@@ -1,202 +0,0 @@
-package jobqueue
-
-import (
- "context"
- "fmt"
- "os"
- "time"
-)
-
-func (j *job) handleFailover() error {
- if j.failover != nil {
- return j.failover()
- }
- return nil
-}
-
-func (j *job) Run(ctx context.Context) {
-
- var err error
-
- defer func() {
- if j.Status == JobRunning {
- j.Status = JobPending
- }
- }()
-
- j.mu.Lock()
- defer j.mu.Unlock()
-
- // Check for resource limits
- if j.exceedsResourceLimits() {
- j.updateStats(0, ErrResourceLimitExceeded, 0)
- return
- }
-
- // Execute fail-over logic if specified
- err = j.handleFailover()
- if err != nil {
- j.updateStats(0, err, 0)
- return
- }
-
- // Add timeout if specified
- if j.Timeout > 0 {
- var cancelFunc context.CancelFunc
- ctx, cancelFunc = context.WithTimeout(ctx, j.Timeout)
- defer cancelFunc()
- }
-
- maxRetries := j.Retries
- if maxRetries == 0 {
- maxRetries = 1
- }
-
- // Run job
- err = nil
- for i := 0; i < maxRetries; i++ {
- err = j.singleRun(ctx)
- if err == nil {
- break
- }
-
- if j.RetryDelay > 0 {
- time.Sleep(j.RetryDelay)
- }
-
- }
-
- // Update job status
- j.LastRun = time.Now()
-
- // calculate next run
- if j.scheduleImpl != nil {
- j.NextRun = j.scheduleImpl.Next(j.LastRun)
- }
-
- if err != nil {
- j.Status = JobFailed
- return
- }
-
- if j.MaxRuns > 0 && j.Stats.RunCount >= j.MaxRuns {
- j.Status = JobFinished
- return
- }
-
- j.Status = JobPending
-
-}
-
-func (j *job) singleRun(ctx context.Context) (err error) {
- startTime := time.Now()
-
- defer func() {
- if r := recover(); r != nil {
- err = fmt.Errorf("job runnable resulted in panic: %v", r)
- j.Status = JobFailed
- }
-
- }()
-
- if j.runnable == nil {
- return ErrNoRunDefined
- }
-
- j.Status = JobRunning
- exitCode, result, err := j.runnable.Run(ctx)
-
- // Log and stats update
- logEntry := JobLog{
- ProcessID: os.Getpid(),
- StartTime: startTime,
- EndTime: time.Now(),
- ExitCode: exitCode,
- ErrorMsg: "",
- Result: result,
- IsSuccessful: true,
- Metadata: nil,
- }
-
- if exitCode != 0 {
- logEntry.IsSuccessful = false
- logEntry.ExitCode = exitCode
- }
-
- if err != nil {
- logEntry.ErrorMsg = err.Error()
- logEntry.IsSuccessful = false
- }
-
- j.addLogEntry(logEntry)
- j.updateStats(exitCode, err, time.Since(startTime))
-
- return
-}
-
-func (j *job) addLogEntry(logEntry JobLog) {
- j.Logs = append(j.Logs, logEntry)
-
- for _, hook := range j.telemetryHooks {
- go hook(&logEntry)
- }
-
- if j.MaxLogEntries == 0 {
- return
- }
-
- // Überprüfen, ob die maximale Anzahl von Log-Einträgen überschritten wurde
- if len(j.Logs) > j.MaxLogEntries {
- // Log-Einträge rotieren und an das Logger-Objekt senden
- for i := 0; i < len(j.Logs)-j.MaxLogEntries; i++ {
- if j.Logger != nil {
- _, err := (*j.Logger).Write(j.Logs[i])
- if err != nil {
- continue
- }
- }
- }
-
- j.Logs = j.Logs[len(j.Logs)-j.MaxLogEntries:]
- }
-}
-
-func (j *job) exceedsResourceLimits() bool {
-
- currentCPU := GetCpuUsage()
- currentMemory := GetMemoryUsage()
-
- if j.ResourceLimits.CPULimit != 0 && currentCPU > j.ResourceLimits.CPULimit {
- return true
- }
- if j.ResourceLimits.MemoryLimit != 0 && currentMemory > j.ResourceLimits.MemoryLimit {
- return true
- }
- return false
-}
-
-func (j *job) updateStats(exitCode int, err error, duration time.Duration) {
- j.Stats.RunCount++
- if err == nil {
- j.Stats.SuccessCount++
- } else {
- j.Stats.ErrorCount++
- j.Stats.LastErrorCode = exitCode
- }
-
- // Aktualisieren der Zeitmetriken
- j.Stats.TimeMetrics.TotalRunTime += duration
- if j.Stats.RunCount == 1 {
- j.Stats.TimeMetrics.MinRunTime = duration
- j.Stats.TimeMetrics.MaxRunTime = duration
- } else {
- if duration < j.Stats.TimeMetrics.MinRunTime {
- j.Stats.TimeMetrics.MinRunTime = duration
- }
- if duration > j.Stats.TimeMetrics.MaxRunTime {
- j.Stats.TimeMetrics.MaxRunTime = duration
- }
- }
-
- j.Stats.TimeMetrics.AvgRunTime = j.Stats.TimeMetrics.TotalRunTime / time.Duration(j.Stats.RunCount)
-}
diff --git a/job-stat.go b/job-stat.go
index 136ff99..68599e0 100644
--- a/job-stat.go
+++ b/job-stat.go
@@ -14,27 +14,4 @@ type JobStats struct {
MinRunTime time.Duration `json:"min"`
TotalRunTime time.Duration `json:"total"`
} `json:"time_metrics"`
- LastErrorCode int `json:"last_error_code"`
- LastSuccessCode int `json:"last_success_code"`
- PriorityEscalates int `json:"priority_escalates"`
- ResourceUsage struct {
- CPU struct {
- Avg float64 `json:"avg"`
- StdDev float64 `json:"std_dev"`
- } `json:"cpu"`
- Memory struct {
- Avg int `json:"avg"`
- StdDev int `json:"std_dev"`
- } `json:"memory"`
- IO struct {
- Disk struct {
- Avg int64 `json:"avg"`
- StdDev int64 `json:"std_dev"`
- } `json:"disk"`
- Network struct {
- Avg int64 `json:"avg"`
- StdDev int64 `json:"std_dev"`
- } `json:"network"`
- } `json:"io"`
- } `json:"resource_usage"`
}
diff --git a/job-status.go b/job-status.go
deleted file mode 100644
index 03756fe..0000000
--- a/job-status.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package jobqueue
-
-// JobStatus is the status of a job
-type JobStatus int
-
-const (
- JobPending JobStatus = iota
- JobScheduled
- JobRunning
- JobFailed
- JobFinished
-)
-
-// String returns the string representation of a JobStatus
-func (js JobStatus) String() string {
- return [...]string{"Pending", "Scheduled", "Running", "Failed", "Finished"}[js]
-}
diff --git a/job.go b/job.go
index d380aaf..1dcdb80 100644
--- a/job.go
+++ b/job.go
@@ -2,191 +2,245 @@ package jobqueue
import (
"context"
- "github.com/robfig/cron/v3"
+ "os"
"sync"
"time"
)
-type JobIDType string
+type JobID string
-func (j JobIDType) String() string {
- return string(j)
+func (id JobID) String() string {
+ return string(id)
}
-func newJob(spec JobSpecification) *job {
- j := &job{
- JobSpecification: spec,
- mu: sync.Mutex{},
- }
+type Priority int
- if spec.Schedule != "" {
- schedule, err := cron.ParseStandard(spec.Schedule)
- if err != nil {
- panic(err)
- }
+const (
+ PriorityLow Priority = iota
+ PriorityDefault
+ PriorityHigh
+ PriorityCritical
+)
- j.scheduleImpl = schedule
- }
+type GenericJob interface {
+ GetID() JobID
+ GetDependencies() []JobID
- if spec.Priority == 0 {
- j.Priority = PriorityDefault
- }
+ GetPriority() Priority
- return j
+ Execute(ctx context.Context) (RunGenericResult, error)
+
+ Cancel() error
+
+ GetMaxRetries() uint
+
+ GetRetryDelay() time.Duration
+
+ GetTimeout() time.Duration
}
-type ResourceLimits struct {
- CPULimit float64 `json:"cpu_limit,omitempty"`
- MemoryLimit uint64 `json:"memory_limit,omitempty"`
+type Job[T any] struct {
+ id JobID
+ priority Priority
+
+ timout time.Duration
+ maxRetries uint
+ RetryDelay time.Duration
+
+ dependencies []JobID
+
+ mu sync.Mutex
+
+ runner Runnable[T]
+
+ stats JobStats
+ logs []JobLog
}
-type JobSpecification struct {
- Id JobIDType `json:"id,omitempty"`
- Priority int `json:"priority,omitempty"`
- MaxRuns int `json:"max_runs,omitempty"`
- Concurrency int `json:"concurrency,omitempty"`
- Schedule string `json:"schedule,omitempty"`
- Timeout time.Duration `json:"timeout,omitempty"`
- Retries int `json:"retries,omitempty"`
- RetryDelay time.Duration `json:"retry_delay,omitempty"`
- ResourceLimits ResourceLimits `json:"resource_limits"`
- Dependencies []JobIDType `json:"dependencies,omitempty"`
- Tags []string `json:"tags,omitempty"`
- Metadata map[string]interface{} `json:"metadata,omitempty"`
+// NewJob creates a new job with the given id and runner
+func NewJob[T any](id JobID, runner Runnable[T]) *Job[T] {
+ return &Job[T]{
+ id: id,
+ runner: runner,
+ priority: PriorityDefault,
+ }
}
-type JobData struct {
- Status JobStatus `json:"status,omitempty"`
+// Execute executes the job
+func (j *Job[T]) Execute(ctx context.Context) (RunGenericResult, error) {
+ startTime := time.Now()
+ r, runnerError := j.runner.Run()
+ endTime := time.Now()
+ elapsedTime := endTime.Sub(startTime)
- LastRun time.Time `json:"last_run"`
- NextRun time.Time `json:"next_run"`
+ j.mu.Lock()
+ defer j.mu.Unlock()
- Stats JobStats `json:"stats"`
- Logs []JobLog `json:"logs,omitempty"`
+ // Update RunCount
+ j.stats.RunCount++
- Logger *Logger
- MaxLogEntries int
-}
+ // Update TimeMetrics
+ j.stats.TimeMetrics.TotalRunTime += elapsedTime
+ if j.stats.TimeMetrics.MinRunTime == 0 || elapsedTime < j.stats.TimeMetrics.MinRunTime {
+ j.stats.TimeMetrics.MinRunTime = elapsedTime
+ }
+ if elapsedTime > j.stats.TimeMetrics.MaxRunTime {
+ j.stats.TimeMetrics.MaxRunTime = elapsedTime
+ }
+ j.stats.TimeMetrics.AvgRunTime = j.stats.TimeMetrics.TotalRunTime / time.Duration(j.stats.RunCount)
-// job contains both serializable data and functional fields
-type job struct {
- JobData `json:"data,omitempty"`
- JobSpecification `json:"spec,omitempty"`
+ // Update SuccessCount or ErrorCount and codes
+ if runnerError == nil {
+ j.stats.SuccessCount++
+ } else {
+ j.stats.ErrorCount++
+ }
- runnable Runnable
- scheduleImpl cron.Schedule
- telemetryHooks []func(*JobLog)
- failover func() error
- mu sync.Mutex
-}
+ newLog := JobLog{
+ StartTime: startTime,
+ }
-type ReadOnlyJob interface {
- GetId() JobIDType
- GetPriority() int
- //GetExclusive() bool
- GetMaxRuns() int
- GetConcurrency() int
- GetLastRun() time.Time
- GetNextRun() time.Time
- GetRunnable() Runnable
- GetSchedule() cron.Schedule
- GetDependencies() []JobIDType
- GetDependents() []JobIDType
- GetRuns() int
+ if runnerError == nil {
+ newLog.IsSuccessful = true
+ newLog.ExitCode = 0
+ } else {
+ newLog.IsSuccessful = false
+ newLog.ExitCode = 1 // Set to appropriate error code if applicable
+ newLog.ErrorMsg = runnerError.Error()
+ }
+
+ newLog.StartTime = startTime
+ newLog.EndTime = endTime
+ newLog.ProcessID = os.Getpid() // Assuming you want the PID of the current process
+
+ newLog.EndTime = time.Now()
+ if runnerError != nil {
+ newLog.ErrorMsg = runnerError.Error()
+ }
- GetLogs() []JobLog
+ j.logs = append(j.logs, newLog)
- GetStats() JobStats
+ genericResult := RunGenericResult(r)
+ return genericResult, runnerError
+}
- Run(context.Context)
+// Cancel cancels the job
+func (j *Job[T]) Cancel() error {
+ return nil
}
-func (j *job) GetStats() JobStats {
+// SetPriority sets the priority of the job
+func (j *Job[T]) SetPriority(priority Priority) *Job[T] {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Stats
+ j.priority = priority
+ return j
}
-func (j *job) GetLogs() []JobLog {
+func (j *Job[T]) GetPriority() Priority {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Logs
+
+ return j.priority
}
-func (j *job) GetId() JobIDType {
+// SetTimeout sets the timeout of the job
+func (j *Job[T]) SetTimeout(timeout time.Duration) *Job[T] {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Id
+
+ j.timout = timeout
+ return j
}
-func (j *job) GetPriority() int {
+func (j *Job[T]) GetTimeout() time.Duration {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Priority
+
+ return j.timout
}
-func (j *job) GetMaxRuns() int {
+// SetMaxRetries sets the max retries of the job
+func (j *Job[T]) SetMaxRetries(maxRetries uint) *Job[T] {
j.mu.Lock()
defer j.mu.Unlock()
- return j.MaxRuns
+ j.maxRetries = maxRetries
+ return j
}
-func (j *job) GetConcurrency() int {
+func (j *Job[T]) GetMaxRetries() uint {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Concurrency
+ return j.maxRetries
}
-func (j *job) GetLastRun() time.Time {
+// SetRetryDelay sets the retry delay of the job
+func (j *Job[T]) SetRetryDelay(retryDelay time.Duration) *Job[T] {
j.mu.Lock()
defer j.mu.Unlock()
- return j.LastRun
+ j.RetryDelay = retryDelay
+ return j
}
-func (j *job) GetNextRun() time.Time {
+func (j *Job[T]) GetRetryDelay() time.Duration {
j.mu.Lock()
defer j.mu.Unlock()
- return j.NextRun
+ return j.RetryDelay
}
-func (j *job) GetRunnable() Runnable {
+// SetDependencies sets the dependencies of the job
+func (j *Job[T]) SetDependencies(dependencies []JobID) *Job[T] {
j.mu.Lock()
defer j.mu.Unlock()
- return j.runnable
+ j.dependencies = dependencies
+ return j
}
-func (j *job) GetSchedule() cron.Schedule {
+func (j *Job[T]) AddDependency(dependency JobID) *Job[T] {
j.mu.Lock()
defer j.mu.Unlock()
- return j.scheduleImpl
+ j.dependencies = append(j.dependencies, dependency)
+ return j
}
-func (j *job) GetDependencies() []JobIDType {
+func (j *Job[T]) RemoveDependency(dependency JobID) *Job[T] {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Dependencies
+ for i, dep := range j.dependencies {
+ if dep == dependency {
+ j.dependencies = append(j.dependencies[:i], j.dependencies[i+1:]...)
+ break
+ }
+ }
+ return j
}
-func (j *job) GetDependents() []JobIDType {
-
+func (j *Job[T]) GetDependencies() []JobID {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Dependencies
+ return j.dependencies
}
-func (j *job) GetRuns() int {
-
+// GetID returns the id of the job
+func (j *Job[T]) GetID() JobID {
j.mu.Lock()
defer j.mu.Unlock()
- return j.Stats.RunCount
+ return j.id
+}
+
+// GetRunnable returns the runnable of the job
+func (j *Job[T]) GetRunnable() Runnable[T] {
+ j.mu.Lock()
+ defer j.mu.Unlock()
+ return j.runner
}
diff --git a/job_test.go b/job_test.go
index 597cbe0..3400cef 100644
--- a/job_test.go
+++ b/job_test.go
@@ -2,163 +2,143 @@ package jobqueue
import (
"context"
- "encoding/json"
- "errors"
- "fmt"
"github.com/stretchr/testify/assert"
+ "os"
+ "path"
"testing"
"time"
)
-type mockRunnable struct {
- shouldFail int
- sleep time.Duration
-}
-
-func (r *mockRunnable) Run(ctx context.Context) (int, any, error) {
- // Create a new context with a timeout
-
- done := make(chan struct{})
- var err error
-
- go func() {
- if r.sleep > 0 {
- // Simulate long-running job
- time.Sleep(r.sleep)
- }
- if r.shouldFail > 0 {
- r.shouldFail--
- err = errors.New("failed")
- }
- time.Sleep(1 * time.Millisecond)
- close(done)
- }()
-
- // Wait until either the job is done or the timeout expires
- select {
- case <-done:
- if err != nil {
- return DefaultErrorExitCode, nil, err
- }
- return SuccessExitCode, nil, nil
- case <-ctx.Done():
-
- if ctx.Err() == context.DeadlineExceeded {
- // It was a timeout
- return TimeoutExitCode, nil, fmt.Errorf("timeout")
- }
-
- return DefaultErrorExitCode, nil, ctx.Err()
- }
+func TestNewJob(t *testing.T) {
+ runner := &ShellRunnable{ScriptPath: "path"}
+ job := NewJob[ShellResult]("id1", runner)
+ assert.Equal(t, JobID("id1"), job.GetID())
+ assert.Equal(t, PriorityDefault, job.GetPriority())
}
-func TestJobResourceLimitExceeded(t *testing.T) {
+func TestSetPriority(t *testing.T) {
+ job := NewJob[ShellResult]("id1", &ShellRunnable{})
+ job.SetPriority(PriorityHigh)
+ assert.Equal(t, PriorityHigh, job.GetPriority())
+}
- _ = StartResourceMonitoring(1 * time.Second)
- defer resetResourceStatsForTesting()
+func TestSetAndGetTimeout(t *testing.T) {
+ job := NewJob[ShellResult]("id1", &ShellRunnable{})
+ job.SetTimeout(5 * time.Minute)
+ assert.Equal(t, 5*time.Minute, job.GetTimeout())
+}
- j := &job{
- //ctx: context.Background(),
- runnable: &mockRunnable{shouldFail: 0},
- JobSpecification: JobSpecification{
- ResourceLimits: ResourceLimits{
- CPULimit: 0.1,
- MemoryLimit: 1,
- },
- },
- }
- j.Run(context.Background())
- assert.NotNil(t, j.GetLastRun())
+func TestSetAndGetMaxRetries(t *testing.T) {
+ job := NewJob[ShellResult]("id1", &ShellRunnable{})
+ job.SetMaxRetries(5)
+ assert.Equal(t, uint(5), job.GetMaxRetries())
}
-func TestJobSuccessful(t *testing.T) {
- j := &job{
- runnable: &mockRunnable{shouldFail: 0},
- // ctx: context.Background(),
- }
+func TestSetAndGetRunnable(t *testing.T) {
+ runner := &ShellRunnable{ScriptPath: "path"}
+ job := NewJob[ShellResult]("id1", runner)
+ assert.Equal(t, runner, job.GetRunnable())
+}
- j.Run(context.Background())
- assert.NotNil(t, j.GetLastRun())
+func TestSetAndGetRetryDelay(t *testing.T) {
+ job := NewJob[ShellResult]("id1", &ShellRunnable{})
+ job.SetRetryDelay(2 * time.Second)
+ assert.Equal(t, 2*time.Second, job.GetRetryDelay())
}
-func TestJobFailed(t *testing.T) {
- j := &job{runnable: &mockRunnable{shouldFail: 1}}
- j.Run(context.Background())
- assert.NotNil(t, j.GetLastRun())
+func TestSetAndGetDependencies(t *testing.T) {
+ job := NewJob[ShellResult]("id1", &ShellRunnable{})
+ job.SetDependencies([]JobID{"id2", "id3"})
+ assert.Equal(t, []JobID{"id2", "id3"}, job.GetDependencies())
}
-func TestJobRetry(t *testing.T) {
- j := &job{
- runnable: &mockRunnable{shouldFail: 1},
- JobSpecification: JobSpecification{
- Retries: 1,
- },
- }
- j.Run(context.Background())
+type TestScheduler struct{}
- assert.NotNil(t, j.GetLastRun())
- assert.Equal(t, 1, j.Stats.ErrorCount)
+func (s *TestScheduler) Schedule(job *GenericJob, eventBus *EventBus, stopChan chan bool) error {
+ return nil
}
-func TestJobTimeout(t *testing.T) {
- j := &job{
- runnable: &mockRunnable{
- shouldFail: 0,
- sleep: 4 * time.Millisecond,
- },
- JobSpecification: JobSpecification{
- Timeout: 1 * time.Millisecond,
- },
- }
- j.Run(context.Background())
- assert.NotNil(t, j.GetLastRun())
+func TestGetID(t *testing.T) {
+ job := NewJob[ShellResult]("id1", &ShellRunnable{})
+ assert.Equal(t, JobID("id1"), job.GetID())
}
-func TestNewJobFromJSON(t *testing.T) {
- jsonStr := `{"id":"testJob","Priority":1}`
- job, err := NewJobFromJSON(jsonStr)
+func TestGetRunnable(t *testing.T) {
+ runner := &ShellRunnable{ScriptPath: "path"}
+ job := NewJob[ShellResult]("id1", runner)
+ assert.Equal(t, runner, job.GetRunnable())
+}
- assert.Nil(t, err)
- assert.Equal(t, "testJob", job.Id.String())
- assert.Equal(t, 1, job.Priority)
+func TestGetPriority(t *testing.T) {
+ job := NewJob[ShellResult]("id2", &ShellRunnable{})
+ assert.Equal(t, PriorityDefault, job.GetPriority())
}
-func TestToFromJSON(t *testing.T) {
- j := job{
- JobSpecification: JobSpecification{
- Id: "testJob",
- Priority: 1,
- },
- //ctx: context.Background(),
- }
+func TestGetTimeout(t *testing.T) {
+ job := NewJob[ShellResult]("id2", &ShellRunnable{})
+ assert.Equal(t, time.Duration(0), job.GetTimeout())
+}
- jsonStr, err := j.ToJSON()
- assert.Nil(t, err)
+func TestGetMaxRetries(t *testing.T) {
+ job := NewJob[ShellResult]("id2", &ShellRunnable{})
+ assert.Equal(t, uint(0), job.GetMaxRetries())
+}
- var job2 job
- err = job2.FromJSON(jsonStr)
- assert.Nil(t, err)
+func TestGetRetryDelay(t *testing.T) {
+ job := NewJob[ShellResult]("id2", &ShellRunnable{})
+ assert.Equal(t, time.Duration(0), job.GetRetryDelay())
+}
- assert.Equal(t, "testJob", job2.Id.String())
+func TestGetDependencies(t *testing.T) {
+ job := NewJob[ShellResult]("id2", &ShellRunnable{})
+ assert.Equal(t, []JobID(nil), job.GetDependencies())
+}
+func TestSetDependencies(t *testing.T) {
+ job := NewJob[ShellResult]("id1", &ShellRunnable{})
+ job.SetDependencies([]JobID{"id2", "id3"})
+ assert.Equal(t, []JobID{"id2", "id3"}, job.GetDependencies())
}
-func TestUnmarshalJSON(t *testing.T) {
- jsonStr := `{"data":{"last_run":"0001-01-01T00:00:00Z","next_run":"0001-01-01T00:00:00Z","stats":{"run_count":0,"success_count":0,"error_count":0,"time_metrics":{"avg":0,"max":0,"min":0,"total":0},"last_error_code":0,"last_success_code":0,"priority_escalates":0,"resource_usage":{"cpu":{"avg":0,"std_dev":0},"memory":{"avg":0,"std_dev":0},"io":{"disk":{"avg":0,"std_dev":0},"network":{"avg":0,"std_dev":0}}}}},"spec":{"id":"testJob","priority":1,"resource_limits":{}}}`
- var job job
- err := json.Unmarshal([]byte(jsonStr), &job)
+func TestJobStats(t *testing.T) {
+ scriptContent := `#!/env/bin/bash
+echo "Hello World"
+`
- assert.Nil(t, err)
- assert.Equal(t, "testJob", job.Id.String())
- assert.Equal(t, 1, job.Priority)
-}
+ tmpDir := t.TempDir()
+ tmpFile := "example.sh"
+ tmpPath := path.Join(tmpDir, tmpFile)
-func TestNewJob(t *testing.T) {
- job := newJob(JobSpecification{
- Id: "testJob",
- })
- assert.NotNil(t, job)
- assert.Equal(t, "testJob", job.Id.String())
- assert.Equal(t, PriorityDefault, job.Priority)
+ tmpfile, err := os.Create(tmpPath)
+ if err != nil {
+ t.Fatal(err)
+ }
+ tmpfile.Write([]byte(scriptContent))
+
+ defer tmpfile.Close()
+
+ job := NewJob[ShellResult]("id1", &ShellRunnable{ScriptPath: tmpfile.Name()})
+
+ // Simulate a successful run
+ result, err := job.Execute(context.Background()) // Assume Execute updates stats and returns no error
+ assert.NoError(t, err)
+ assert.NotNil(t, result)
+
+ stats := job.stats
+
+ assert.Equal(t, 1, stats.RunCount)
+ assert.Equal(t, 1, stats.SuccessCount)
+ assert.Equal(t, 0, stats.ErrorCount)
+ assert.NotEqual(t, 0, stats.TimeMetrics.TotalRunTime)
+ assert.NotEqual(t, 0, stats.TimeMetrics.AvgRunTime)
+ assert.NotEqual(t, 0, stats.TimeMetrics.MaxRunTime)
+ assert.NotEqual(t, 0, stats.TimeMetrics.MinRunTime)
+
+ // Simulate a failed run
+ job.Execute(context.Background()) // Assume Execute updates stats and returns an error
+ stats = job.stats
+ assert.Equal(t, 2, stats.RunCount)
+ assert.Equal(t, 2, stats.SuccessCount)
+ assert.Equal(t, 0, stats.ErrorCount)
}
diff --git a/jobs.go b/jobs.go
deleted file mode 100644
index 0a22b53..0000000
--- a/jobs.go
+++ /dev/null
@@ -1,240 +0,0 @@
-package jobqueue
-
-import (
- "sync"
- "time"
-)
-
-type JobsInterface interface {
- GetJobs() map[JobIDType]ReadOnlyJob
-
- GetExecutableJobs() map[JobIDType]ReadOnlyJob
-
- AddJob(jobSpec JobSpecification, runnable Runnable) error
-
- RemoveJob(id JobIDType) (bool, error)
-
- GetJobStatus(id JobIDType) (JobStatus, error)
-
- Cleanup()
-
- GetFinishedJobs() map[JobIDType]ReadOnlyJob
-
- GetFinishedJob(id JobIDType) ReadOnlyJob
-
- RemoveFinishedJob(id JobIDType) (bool, error)
-
- JobExists(id JobIDType) bool
-
- GetJob(id JobIDType) ReadOnlyJob
-
- GetJobsCount() int
-}
-
-type jobs struct {
- jobs map[JobIDType]*job
- finishedJobs map[JobIDType]*job
- mutex sync.Mutex
-}
-
-// compile time check if jobs implements JobsInterface
-var _ JobsInterface = (*jobs)(nil)
-
-func (jq *jobs) GetJobsCount() int {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- return len(jq.jobs)
-}
-
-func (jq *jobs) Cleanup() {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- for id, job := range jq.jobs {
- if job.Status == JobFinished {
- jq.finishedJobs[id] = job
-
- delete(jq.jobs, id)
- }
- }
-}
-
-func (jq *jobs) GetFinishedJobs() map[JobIDType]ReadOnlyJob {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- jobs := make(map[JobIDType]ReadOnlyJob)
- for id, job := range jq.finishedJobs {
- jobs[id] = job // Implizites Casting zu ReadOnlyJob
- }
-
- return jobs
-}
-
-func (jq *jobs) GetFinishedJob(id JobIDType) ReadOnlyJob {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- if _, exists := jq.finishedJobs[id]; !exists {
- return nil
- }
-
- return jq.finishedJobs[id]
-
-}
-
-func (jq *jobs) RemoveFinishedJob(id JobIDType) (bool, error) {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- if _, exists := jq.finishedJobs[id]; !exists {
- return false, ErrJobNotFound
- }
-
- // Update internal data structures.
- delete(jq.finishedJobs, id)
- return true, nil
-}
-
-// GetJobs returns a map of all jobs.
-func (jq *jobs) GetJobs() map[JobIDType]ReadOnlyJob {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- jobs := make(map[JobIDType]ReadOnlyJob)
- for id, job := range jq.jobs {
- jobs[id] = job // Implizites Casting zu ReadOnlyJob
- }
-
- return jobs
-}
-
-// GetJobs returns a map of all jobs.
-func (jq *jobs) GetExecutableJobs() map[JobIDType]ReadOnlyJob {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- jobs := make(map[JobIDType]ReadOnlyJob)
-
- tempJobs := make(map[JobIDType]*job)
- for _, job := range jq.jobs {
-
- if job.Status != JobPending {
- continue
- }
-
- if job.NextRun.After(time.Now()) {
- continue
- }
-
- tempJobs[job.Id] = job
- }
-
- sortedJobIDs, err := topologicalSortJobs(tempJobs)
- if err != nil {
- return nil
- }
-
- for _, id := range sortedJobIDs {
- job := jq.jobs[id]
- job.Status = JobScheduled
- jobs[id] = jq.jobs[id]
- }
-
- return jobs
-}
-
-func (jq *jobs) JobExists(id JobIDType) bool {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- if _, exists := jq.jobs[id]; !exists {
- return false
- }
-
- return true
-}
-
-func (jq *jobs) GetJob(id JobIDType) ReadOnlyJob {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- if _, exists := jq.jobs[id]; !exists {
- return nil
- }
-
- return jq.jobs[id]
-
-}
-
-// NewJobs creates a new job queue.
-func NewJobs() *jobs {
-
- jq := &jobs{
- jobs: make(map[JobIDType]*job),
- finishedJobs: make(map[JobIDType]*job),
- mutex: sync.Mutex{},
- }
-
- return jq
-}
-
-// AddJob adds a new job to the queue.
-func (jq *jobs) AddJob(jobSpec JobSpecification, runnable Runnable) error {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- job := newJob(jobSpec)
- job.runnable = runnable
-
- if _, exists := jq.jobs[job.Id]; exists {
- return ErrJobAlreadyExists
- }
-
- for _, dep := range job.Dependencies {
- if _, exists := jq.jobs[dep]; !exists {
- return ErrUnknownDependency
- }
- }
-
- jq.jobs[job.Id] = job
-
- return nil
-}
-
-// RemoveJob removes a job from the queue.
-func (jq *jobs) RemoveJob(id JobIDType) (bool, error) {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- if _, exists := jq.jobs[id]; !exists {
- return false, ErrJobNotFound
- }
-
- // check if job is a dependency of another job
- for _, job := range jq.jobs {
- for _, dep := range job.Dependencies {
- if dep == id {
- return false, ErrJobIsDependency
- }
- }
- }
-
- // Update internal data structures.
- delete(jq.jobs, id)
- return true, nil
-}
-
-// GetJobStatus returns the status of a job.
-func (jq *jobs) GetJobStatus(id JobIDType) (JobStatus, error) {
- jq.mutex.Lock()
- defer jq.mutex.Unlock()
-
- if _, exists := jq.jobs[id]; !exists {
- return JobStatus(0), ErrJobNotFound
- }
-
- return jq.jobs[id].Status, nil
-
-}
diff --git a/jobs_test.go b/jobs_test.go
deleted file mode 100644
index ef74250..0000000
--- a/jobs_test.go
+++ /dev/null
@@ -1,44 +0,0 @@
-package jobqueue
-
-import (
- "testing"
-)
-
-func TestNewJobQueue(t *testing.T) {
- jq := NewJobs()
- if jq == nil {
- t.Errorf("NewJobs returned nil")
- }
-}
-
-func TestAddJob(t *testing.T) {
- jq := NewJobs()
-
- err := jq.AddJob(JobSpecification{
- Id: "1",
- Priority: 1,
- //Exclusive: true,
- MaxRuns: 3,
- Concurrency: 2,
- }, nil)
- if err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-}
-
-func TestRemoveJob(t *testing.T) {
- jq := NewJobs()
-
- err := jq.AddJob(JobSpecification{
- Id: "1",
- // Set other fields
- }, nil)
- if err != nil {
- t.Errorf("Failed to add job: %v", err)
- }
-
- removed, _ := jq.RemoveJob("1")
- if !removed {
- t.Errorf("Failed to remove job")
- }
-}
diff --git a/json.go b/json.go
deleted file mode 100644
index b946a33..0000000
--- a/json.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package jobqueue
-
-import "github.com/robfig/cron/v3"
-import "encoding/json"
-
-// UnmarshalJSON unmarshals a job from json.
-func (j *job) UnmarshalJSON(data []byte) error {
- type Alias job
- aux := &struct {
- Schedule string `json:"schedule"`
- *Alias
- }{
- Alias: (*Alias)(j),
- }
-
- if err := json.Unmarshal(data, &aux); err != nil {
- return err
- }
-
- if aux.Schedule != "" {
- schedule, err := cron.ParseStandard(aux.Schedule)
- if err != nil {
- return err
- }
- j.scheduleImpl = schedule
- }
-
- return nil
-}
-
-// MarshalJSON marshals a job to json.
-func (j *job) MarshalJSON() ([]byte, error) {
- type Alias job
- aux := &struct {
- *Alias
- }{
- Alias: (*Alias)(j),
- }
-
- return json.Marshal(aux)
-}
-
-// NewJobFromJSON creates a new job from a json string.
-func NewJobFromJSON(jsonStr string) (*job, error) {
- var job JobSpecification
- err := json.Unmarshal([]byte(jsonStr), &job)
- if err != nil {
- return nil, err
- }
- return newJob(job), nil
-}
-
-// ToJSON marshals a job to a json string.
-func (j *job) ToJSON() (string, error) {
- data, err := json.Marshal(j)
- if err != nil {
- return "", err
- }
- return string(data), nil
-}
-
-// FromJSON unmarshals a job from a json string.
-func (j *job) FromJSON(jsonStr string) error {
- return json.Unmarshal([]byte(jsonStr), j)
-}
diff --git a/json_test.go b/json_test.go
deleted file mode 100644
index 36a348f..0000000
--- a/json_test.go
+++ /dev/null
@@ -1 +0,0 @@
-package jobqueue
diff --git a/log-writer.go b/log-writer.go
deleted file mode 100644
index 8879499..0000000
--- a/log-writer.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package jobqueue
-
-import (
- "bytes"
- "fmt"
- "os"
- "sync"
- "text/template"
-)
-
-// Logger ist ein generisches Log-Interface, das verschiedene Ausgabeziele unterstützt.
-type Logger interface {
- // Write schreibt einen Log-Eintrag.
- Write(entry JobLog) (n int, err error)
-
- // Close schließt den Logger.
- Close() error
-}
-
-// FileLogger is a logger that writes to a file.
-type FileLogger struct {
- mu sync.Mutex
- logDir string
- maxLogSize int64
- maxLogFiles int
- currentLog *os.File
- currentSize int64
- logFileIndex int
-}
-
-// NewFileLogger creates a new FileLogger.
-func NewFileLogger(logDir string, maxLogSize int64, maxLogFiles int) (*FileLogger, error) {
- if err := os.MkdirAll(logDir, 0755); err != nil {
- return nil, err
- }
-
- lw := &FileLogger{
- logDir: logDir,
- maxLogSize: maxLogSize,
- maxLogFiles: maxLogFiles,
- currentSize: 0,
- logFileIndex: 1,
- }
-
- if err := lw.rotateLog(); err != nil {
- return nil, err
- }
-
- return lw, nil
-}
-
-// Write the log entry to the current log file.
-func (lw *FileLogger) Write(entry JobLog) (n int, err error) {
- lw.mu.Lock()
- defer lw.mu.Unlock()
-
- logTemplate := "{{.Timestamp}} {{.JobID}} {{.JobName}} {{.JobStatus}} {{.ExitCode}} {{.Duration}} {{.Message}}"
- tmpl := template.New("log")
- tmpl, err = tmpl.Parse(logTemplate)
- if err != nil {
- return 0, err
- }
-
- buffer := new(bytes.Buffer)
- tmpl.Execute(buffer, entry)
-
- n, err = lw.currentLog.Write(buffer.Bytes())
- lw.currentSize += int64(n)
-
- if lw.currentSize >= lw.maxLogSize {
- _ = lw.rotateLog()
- }
-
- return n, err
-}
-
-// Close closes the current log file.
-func (lw *FileLogger) Close() error {
- lw.mu.Lock()
- defer lw.mu.Unlock()
- return lw.currentLog.Close()
-}
-
-// rotateLog closes the current log file and opens a new one.
-func (lw *FileLogger) rotateLog() error {
- lw.currentSize = 0
-
- if lw.currentLog != nil {
- if err := lw.currentLog.Close(); err != nil {
- return err
- }
- }
-
- logFileName := fmt.Sprintf("%s/job_log_%d.log", lw.logDir, lw.logFileIndex)
- lw.logFileIndex++
-
- if lw.logFileIndex > lw.maxLogFiles {
- lw.logFileIndex = 1
- }
-
- f, err := os.Create(logFileName)
- if err != nil {
- return err
- }
-
- lw.currentLog = f
- return nil
-}
diff --git a/manager.go b/manager.go
index ccf83ec..4b60620 100644
--- a/manager.go
+++ b/manager.go
@@ -1,152 +1,285 @@
package jobqueue
import (
- "context"
- "errors"
+ "fmt"
"sync"
- "time"
)
-type JobManager struct {
- queue *jobs
- executor *jobExecutor
- mutex sync.Mutex
- maxConcurrency int
-}
+type ManagerState int
-// NewJobManager creates a new job manager with configurable concurrency and interval.
-func NewJobManager(maxConcurrency int, interval time.Duration, stopOnEmpty bool) *JobManager {
+const (
+ ManagerStateStopped = iota
+ ManagerStateRunning
+)
- jq := NewJobs()
- instance := NewJobExecutor(jq, maxConcurrency, interval,
- func(executor *jobExecutor) bool {
- if executor.Ctx.Err() != nil {
- return true
- }
+type Manager struct {
+ state ManagerState
- if stopOnEmpty && executor.Queue.GetJobsCount() == 0 {
- return true
- }
+ queue *Queue
+ workerMap map[WorkerID]Worker
+ eventBus *EventBus
+ scheduled map[JobID]Scheduler
- return false
- })
+ jobEventCh chan interface{}
- return &JobManager{
- queue: jq,
- executor: instance,
- maxConcurrency: maxConcurrency,
- }
+ mu sync.Mutex
}
-func (jm *JobManager) GetJobs() map[JobIDType]ReadOnlyJob {
- return jm.queue.GetJobs()
-}
+// NewManager initializes a new Manager
+func NewManager() *Manager {
-func (jm *JobManager) AddJob(jobSpec JobSpecification, runnable Runnable) error {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.queue.AddJob(jobSpec, runnable)
-}
+ eventBus := NewEventBus()
-func (jm *JobManager) GetJob(id JobIDType) ReadOnlyJob {
- return jm.queue.GetJob(id)
+ return &Manager{
+ state: ManagerStateStopped,
+ queue: NewQueue(eventBus),
+ workerMap: make(map[WorkerID]Worker),
+ eventBus: eventBus,
+ scheduled: make(map[JobID]Scheduler),
+ }
}
-func (jm *JobManager) JobExists(id JobIDType) bool {
- return jm.queue.JobExists(id)
+func (m *Manager) GetEventBus() *EventBus {
+ m.mu.Lock()
+ defer m.mu.Unlock()
+ return m.eventBus
}
-func (jm *JobManager) RemoveJob(id JobIDType) (bool, error) {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.queue.RemoveJob(id)
-}
+func (m *Manager) checkAndSetRunningState() error {
-func (jm *JobManager) Start() error {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.executor.Start()
-}
+ m.state = ManagerStateStopped
-func (jm *JobManager) Stop() error {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.executor.Stop()
-}
+ if m.workerMap == nil {
+ return ErrNoWorkers
+ }
-func (jm *JobManager) Pause() error {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.executor.Pause()
-}
+ if len(m.workerMap) == 0 {
+ return ErrNoWorkers
+ }
-func (jm *JobManager) Resume() error {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.executor.Resume()
-}
+ for _, worker := range m.workerMap {
+ if worker.Status() == WorkerStatusRunning {
+ m.state = ManagerStateRunning
+ return nil
+ }
+ }
-func (jm *JobManager) GetFinishedJobs() map[JobIDType]ReadOnlyJob {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.queue.GetFinishedJobs()
+ return nil
}
-func (jm *JobManager) GetFinishedJob(id JobIDType) ReadOnlyJob {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.queue.GetFinishedJob(id)
+// AddWorker adds a worker to the manager
+func (m *Manager) AddWorker(worker Worker) error {
+ m.mu.Lock()
+ defer m.mu.Unlock()
+
+ // check if worker is already added
+ if _, ok := m.workerMap[worker.GetID()]; ok {
+ return ErrWorkerAlreadyAdded
+ }
+
+ // check if state of worker is not running
+ if worker.Status() != WorkerStatusStopped {
+ return ErrWorkerAlreadyRunning
+ }
+
+ if m.state == ManagerStateRunning {
+ err := worker.Start()
+ if err != nil {
+ return err
+ }
+ }
+
+ // add worker to workerMap
+ m.workerMap[worker.GetID()] = worker
+
+ return m.checkAndSetRunningState()
}
-func (jm *JobManager) RemoveFinishedJob(id JobIDType) (bool, error) {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.queue.RemoveFinishedJob(id)
+// RemoveWorker removes a worker from the manager
+func (m *Manager) RemoveWorker(worker Worker) error {
+ m.mu.Lock()
+ defer m.mu.Unlock()
+
+ // check if worker is added
+ if _, ok := m.workerMap[worker.GetID()]; !ok {
+ return ErrWorkerNotAdded
+ }
+
+ // check if state of worker is not running
+ if worker.Status() != WorkerStatusStopped {
+ err := worker.Stop()
+ if err != nil {
+ return err
+ }
+ }
+
+ // remove worker from workerMap
+ delete(m.workerMap, worker.GetID())
+ err := m.checkAndSetRunningState()
+
+ if err != nil && err != ErrNoWorkers {
+ return err
+ }
+
+ return nil
+
}
-func (jm *JobManager) OnStarted(hook func()) error {
+// Start starts the manager
+func (m *Manager) Start() error {
+ m.mu.Lock()
+ defer m.mu.Unlock()
- timeout := 5 * time.Second
- startTime := time.Now()
+ if m.state == ManagerStateRunning {
+ return ErrManagerAlreadyRunning
+ }
- for {
- if jm.executor.IsRunning() {
- hook()
- return nil
+ if len(m.workerMap) == 0 {
+ return ErrNoWorkers
+ }
+
+ var wrappedErr error
+
+ for _, worker := range m.workerMap {
+ err := worker.Start()
+ if err != nil && err != ErrWorkerAlreadyRunning {
+ if wrappedErr == nil {
+ wrappedErr = fmt.Errorf("Error: ")
+ }
+
+ wrappedErr = fmt.Errorf("%w\n%s", wrappedErr, err.Error())
}
+ }
- if time.Since(startTime) >= timeout {
- return ErrTimeout
+ // check if we have one worker
+ for _, worker := range m.workerMap {
+ if worker.Status() == WorkerStatusRunning {
+ m.state = ManagerStateRunning
+ break
}
+ }
+
+ m.jobEventCh = make(chan interface{}, 100)
+ m.eventBus.Subscribe(QueueJob, m.jobEventCh)
+ m.eventBus.Subscribe(JobReady, m.jobEventCh)
+ go m.handleJobEvents()
+
+ err := m.checkAndSetRunningState()
- <-time.After(1 * time.Millisecond)
+ if err != nil {
+ wrappedErr = fmt.Errorf("%w\n%s", wrappedErr, err.Error())
}
+ return wrappedErr
+
}
-func (jm *JobManager) Wait() error {
+// Stop stops the manager
+func (m *Manager) Stop() error {
+ m.mu.Lock()
+ defer m.mu.Unlock()
- if jm.executor.Ctx.Err() != nil {
- return jm.executor.Ctx.Err()
+ if m.state == ManagerStateStopped {
+ return ErrManagerAlreadyStopped
}
- if jm.executor.IsRunning() {
- <-jm.executor.Ctx.Done()
+ m.eventBus.Unsubscribe(QueueJob, m.jobEventCh)
+ m.eventBus.Unsubscribe(JobReady, m.jobEventCh)
+ close(m.jobEventCh)
- if errors.Is(jm.executor.Ctx.Err(), context.Canceled) {
- return nil
+ var wrappedErr error
+
+ for _, worker := range m.workerMap {
+ err := worker.Stop()
+ if err != nil && err != ErrWorkerAlreadyStopped {
+ if wrappedErr == nil {
+ wrappedErr = fmt.Errorf("Error: ")
+ }
+
+ wrappedErr = fmt.Errorf("%w\n%s", wrappedErr, err.Error())
}
+ }
- return jm.executor.Ctx.Err()
+ err := m.checkAndSetRunningState()
+ if err != nil {
+ wrappedErr = fmt.Errorf("%w\n%s", wrappedErr, err.Error())
}
- return ErrNotRunning
+ return wrappedErr
+}
+func (m *Manager) handleJobEvents() {
+
+ for event := range m.jobEventCh {
+ switch event := event.(type) {
+ case Event:
+
+ switch event.Name {
+ case QueueJob:
+ job := event.Data.(GenericJob)
+ err := m.queue.Enqueue(job)
+ if err != nil && err != ErrJobAlreadyExists {
+ fmt.Println(err)
+
+ }
+ case JobReady:
+ for {
+ nextJob, err := m.queue.Dequeue()
+ if err != nil {
+ break
+ }
+
+ for _, worker := range m.workerMap {
+ if err := worker.AssignJob(nextJob); err == nil {
+ break
+ }
+ }
+ }
+ }
+ }
+ }
}
-func (jm *JobManager) IsRunning() bool {
- jm.mutex.Lock()
- defer jm.mutex.Unlock()
- return jm.executor.IsRunning()
+// ScheduleJob schedules a job
+func (m *Manager) ScheduleJob(job GenericJob, scheduler Scheduler) error {
+ m.mu.Lock()
+ defer m.mu.Unlock()
+
+ if m.state != ManagerStateRunning {
+ return ErrManagerNotRunning
+ }
+
+ m.scheduled[job.GetID()] = scheduler
+
+ return scheduler.Schedule(job, m.eventBus)
+}
+
+// CancelJob cancels a scheduled job
+func (m *Manager) CancelJob(id JobID) error {
+ m.mu.Lock()
+ defer m.mu.Unlock()
+
+ if m.state != ManagerStateRunning {
+ return ErrManagerNotRunning
+ }
+
+ if _, ok := m.scheduled[id]; !ok {
+ return ErrJobNotScheduled
+ }
+
+ scheduler, ok := m.scheduled[id]
+ if !ok {
+ return ErrJobNotScheduled
+ }
+
+ err := scheduler.Cancel(id)
+ if err != nil {
+ return err
+ }
+
+ delete(m.scheduled, id)
+
+ return nil
+
}
diff --git a/manager_test.go b/manager_test.go
new file mode 100644
index 0000000..fa12cf1
--- /dev/null
+++ b/manager_test.go
@@ -0,0 +1,196 @@
+package jobqueue
+
+import (
+ "context"
+ "github.com/stretchr/testify/assert"
+ "testing"
+ "time"
+)
+
+type MockWorker struct {
+ id WorkerID
+ status WorkerStatus
+}
+
+func (m *MockWorker) Start() error {
+ m.status = WorkerStatusRunning
+ return nil
+}
+
+func (m *MockWorker) Stop() error {
+ m.status = WorkerStatusStopped
+ return nil
+}
+
+func (m *MockWorker) GetID() WorkerID {
+ return m.id
+}
+
+func (m *MockWorker) Status() WorkerStatus {
+ return m.status
+}
+
+func (m *MockWorker) AssignJob(job GenericJob) error {
+ return nil
+}
+
+type MockScheduler struct{}
+
+func (s *MockScheduler) Schedule(job *GenericJob, eventBus *EventBus, stopChan StopChan) error {
+ return nil
+}
+
+func (s *MockScheduler) Cancel(jobID JobID) error {
+ return nil
+}
+
+func (s *MockScheduler) GetNextRunTime(jobID JobID) time.Time {
+ return time.Now()
+}
+
+type MockGenericJob struct {
+ ID JobID
+}
+
+func (m *MockGenericJob) GetMaxRetries() uint {
+ return 0
+}
+
+func (m *MockGenericJob) GetRetryDelay() time.Duration {
+ return 0
+}
+
+func (m *MockGenericJob) GetTimeout() time.Duration {
+ return 0
+}
+
+func (m *MockGenericJob) GetID() JobID {
+ return m.ID
+}
+
+func (m *MockGenericJob) GetDependencies() []JobID {
+ return nil
+}
+
+func (m *MockGenericJob) GetPriority() Priority {
+ return PriorityDefault
+}
+
+func (m *MockGenericJob) Execute(ctx context.Context) (RunGenericResult, error) {
+ return nil, nil
+}
+
+func (m *MockGenericJob) Cancel() error {
+ return nil
+}
+
+func TestNewManager(t *testing.T) {
+ eventBus := NewEventBus()
+ manager := NewManager()
+
+ assert.NotNil(t, manager)
+ assert.Equal(t, ManagerState(ManagerStateStopped), manager.state)
+ assert.NotNil(t, manager.queue)
+ assert.NotNil(t, manager.workerMap)
+ assert.NotNil(t, manager.eventBus)
+ assert.Equal(t, eventBus, manager.eventBus)
+}
+
+func TestManager_AddWorker(t *testing.T) {
+ m := NewManager()
+ w := &MockWorker{id: "worker1", status: WorkerStatusStopped}
+
+ err := m.AddWorker(w)
+ assert.Nil(t, err)
+ assert.Equal(t, int(ManagerStateStopped), int(m.state))
+}
+
+func TestManager_RemoveWorker(t *testing.T) {
+ m := NewManager()
+ w := &MockWorker{id: "worker1", status: WorkerStatusStopped}
+ m.AddWorker(w)
+
+ err := m.RemoveWorker(w)
+ assert.Nil(t, err)
+ assert.Equal(t, int(ManagerStateStopped), int(m.state))
+}
+
+func TestManager_Start(t *testing.T) {
+ m := NewManager()
+ w := &MockWorker{id: "worker1", status: WorkerStatusStopped}
+ m.AddWorker(w)
+
+ err := m.Start()
+ assert.Nil(t, err)
+ assert.Equal(t, int(ManagerStateRunning), int(m.state))
+}
+
+func TestManager_Stop(t *testing.T) {
+ m := NewManager()
+ w := &MockWorker{id: "worker1", status: WorkerStatusStopped}
+ m.AddWorker(w)
+ m.Start()
+
+ err := m.Stop()
+ assert.Nil(t, err)
+ assert.Equal(t, int(ManagerStateStopped), int(m.state))
+}
+
+func TestManager_ScheduleJob(t *testing.T) {
+ m := NewManager()
+ w := &MockWorker{id: "worker1", status: WorkerStatusStopped}
+ m.AddWorker(w)
+ m.Start()
+
+ job := &MockGenericJob{ID: "job1"}
+ scheduler := InstantScheduler{}
+
+ err := m.ScheduleJob(job, &scheduler)
+ assert.Nil(t, err)
+}
+
+func TestManager_CancelJob(t *testing.T) {
+ m := NewManager()
+ w := &MockWorker{id: "worker1", status: WorkerStatusStopped}
+ m.AddWorker(w)
+ m.Start()
+
+ job := &MockGenericJob{ID: "job1"}
+ scheduler := InstantScheduler{}
+ m.ScheduleJob(job, &scheduler)
+
+ err := m.CancelJob("job1")
+ assert.Nil(t, err)
+}
+
+func TestManagerEventHandling(t *testing.T) {
+ mgr := NewManager()
+ worker := NewLocalWorker(1)
+ err := mgr.AddWorker(worker)
+ assert.Nil(t, err)
+
+ err = mgr.Start()
+ assert.Nil(t, err)
+
+ runner := &CounterRunnable{}
+ job := NewJob[CounterResult]("job1", runner)
+
+ scheduler := &IntervalScheduler{Interval: 1 * time.Millisecond}
+ err = mgr.ScheduleJob(job, scheduler)
+ assert.Nil(t, err)
+
+ startTime := time.Now()
+
+ for {
+ if job.runner.(*CounterRunnable).GetCount() > 10 {
+ break
+ }
+
+ if time.Since(startTime) > 10*time.Second {
+ t.Fatalf("Job did not finish in time")
+ }
+ }
+
+ err = mgr.Stop()
+ assert.Nil(t, err)
+}
diff --git a/manger_test.go b/manger_test.go
deleted file mode 100644
index d7ee287..0000000
--- a/manger_test.go
+++ /dev/null
@@ -1,158 +0,0 @@
-package jobqueue
-
-import (
- "github.com/stretchr/testify/assert"
- //_ "net/http/pprof"
- "sync"
- "sync/atomic"
- "testing"
- "time"
-)
-
-func TestRepeatNewJobManagerPauseAndResume(t *testing.T) {
- numRepeats := 10 // Anzahl der Wiederholungen
-
- for i := 0; i < numRepeats; i++ {
- t.Logf("Repeat %d\n", i+1)
- dewJobManagerPauseAndResume(t)
- }
-}
-
-func dewJobManagerPauseAndResume(t *testing.T) {
-
- var wg sync.WaitGroup
-
- tickerTime := 1 * time.Microsecond
- waitBeforePause := 5 * tickerTime
- doPause := 5 * tickerTime
- maxRuns := 3
-
- jm := NewJobManager(1, tickerTime, false)
- if jm == nil {
- t.Errorf("NewJobManager returned nil")
- }
-
- err := jm.AddJob(JobSpecification{
- Id: "1",
- MaxRuns: maxRuns,
- }, &ExternalProcessRunner{
- Command: "sleep",
- Args: []string{"1"},
- })
-
- assert.Nil(t, err)
-
- job := jm.GetJob("1")
- assert.NotNil(t, job)
-
- var isPaused int32
-
- err = jm.Start()
- assert.Nil(t, err)
-
- // Timer für 5 Sekunden
- timer := time.NewTimer(10 * time.Second)
-
- // anonymous function to stop the job manager after the timer has expired
- go func() {
- <-timer.C // wait for the timer to expire
- err := jm.Stop()
- assert.Nil(t, err)
- }()
-
- defer func() {
- err := jm.Stop()
- if err != nil {
- assert.ErrorIs(t, err, ErrAlreadyStopped)
- }
- }()
-
- // Go routine to pause and resume the job manager
- go func() {
- time.Sleep(waitBeforePause)
- err := jm.Pause()
- assert.Nil(t, err)
- atomic.StoreInt32(&isPaused, 1)
-
- time.Sleep(doPause)
-
- err = jm.Resume()
- assert.Nil(t, err)
- atomic.StoreInt32(&isPaused, 0)
- }()
-
- wg.Add(1)
- err = jm.OnStarted(func() {
- defer wg.Done()
- err := jm.Wait()
- assert.Nil(t, err)
-
- finishedJob := jm.GetFinishedJob("1")
- assert.NotNil(t, finishedJob)
-
- paused := atomic.LoadInt32(&isPaused) == 1
- assert.False(t, paused, "Job manager should not be paused")
-
- })
-
- assert.Nil(t, err)
- wg.Wait()
-
-}
-
-func TestNewJobManager(t *testing.T) {
-
- doRuns := 5
-
- jm := NewJobManager(10, 1*time.Microsecond, true)
- if jm == nil {
- t.Errorf("NewJobManager returned nil")
- }
-
- err := jm.AddJob(JobSpecification{
- Id: "1",
- MaxRuns: doRuns,
- }, &ExternalProcessRunner{
- Command: "echo",
- Args: []string{"hello"},
- })
- assert.Nil(t, err)
-
- err = jm.Start()
-
- err = jm.OnStarted(func() {
-
- assert.Nil(t, err)
- assert.True(t, jm.IsRunning())
-
- job := jm.GetJob("1")
- assert.NotNil(t, job)
-
- defer func() {
- err := jm.Stop()
- if err != nil {
- assert.ErrorIs(t, err, ErrAlreadyStopped)
- }
- }()
-
- err = jm.Wait()
- assert.Nil(t, err)
-
- finishedJob := jm.GetFinishedJob("1")
- assert.NotNil(t, finishedJob)
-
- runs := finishedJob.GetRuns()
- assert.Equal(t, doRuns, runs)
-
- logs := finishedJob.GetLogs()
- assert.Equal(t, doRuns, len(logs))
-
- stats := finishedJob.GetStats()
- assert.Equal(t, doRuns, stats.SuccessCount)
- assert.Equal(t, 0, stats.ErrorCount)
-
- })
-
- assert.Nil(t, err)
-
-}
diff --git a/prority.go b/prority.go
deleted file mode 100644
index 9efa113..0000000
--- a/prority.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package jobqueue
-
-const (
- _ int = iota * 10
- PriorityLow
- PriorityDefault
- PriorityHigh
- PriorityCritical
-)
diff --git a/queue.go b/queue.go
new file mode 100644
index 0000000..5e2f653
--- /dev/null
+++ b/queue.go
@@ -0,0 +1,120 @@
+package jobqueue
+
+import (
+ "sync"
+)
+
+type Queue struct {
+ jobMap map[JobID]GenericJob
+ pendingDependencies map[JobID][]JobID
+ readyQueue []GenericJob
+ processedJobs map[JobID]struct{}
+ eventBus *EventBus
+ mu sync.Mutex
+}
+
+func NewQueue(EventBus *EventBus) *Queue {
+ return &Queue{
+ jobMap: make(map[JobID]GenericJob),
+ pendingDependencies: make(map[JobID][]JobID),
+ readyQueue: []GenericJob{},
+ processedJobs: make(map[JobID]struct{}),
+ eventBus: EventBus,
+ }
+}
+
+func (q *Queue) Enqueue(job GenericJob) error {
+ q.mu.Lock()
+ defer q.mu.Unlock()
+
+ if _, exists := q.jobMap[job.GetID()]; !exists {
+ q.jobMap[job.GetID()] = job
+ //return ErrJobAlreadyExists
+ }
+
+ for _, readyJob := range q.readyQueue {
+ if readyJob.GetID() == job.GetID() {
+ return ErrJobAlreadyExists
+ }
+ }
+
+ // Check if this job is a dependency for any pending jobs
+ for pendingJobID, pendingDeps := range q.pendingDependencies {
+ q.pendingDependencies[pendingJobID] = removeJobID(pendingDeps, job.GetID())
+ if len(q.pendingDependencies[pendingJobID]) == 0 {
+ q.readyQueue = append(q.readyQueue, q.jobMap[pendingJobID])
+ delete(q.pendingDependencies, pendingJobID)
+ }
+ }
+
+ // Check this job's dependencies
+ var unmetDependencies []JobID
+ for _, depID := range job.GetDependencies() {
+ if _, ok := q.jobMap[depID]; !ok {
+ unmetDependencies = append(unmetDependencies, depID)
+ }
+ }
+
+ if len(unmetDependencies) > 0 {
+ q.pendingDependencies[job.GetID()] = unmetDependencies
+ } else {
+ q.readyQueue = append(q.readyQueue, job)
+
+ // Run topological sort on jobs in the ready queue
+ readyJobList := []GenericJob{}
+ for _, readyJob := range q.readyQueue {
+ readyJobList = append(readyJobList, readyJob)
+ }
+
+ for id := range q.processedJobs {
+ readyJobList = append(readyJobList, q.jobMap[id])
+ }
+
+ sortedIDs, err := topologicalSortJobs(readyJobList)
+ if err != nil {
+ return err
+ }
+
+ // Reorder q.readyQueue based on sorted job IDs
+ newReadyQueue := make([]GenericJob, len(sortedIDs))
+ for i, id := range sortedIDs {
+ newReadyQueue[i] = q.jobMap[id]
+ }
+ q.readyQueue = newReadyQueue
+
+ if q.eventBus != nil && len(q.readyQueue) > 0 {
+ q.eventBus.Publish(JobReady, job.GetID())
+ }
+
+ }
+
+ return nil
+}
+
+func (q *Queue) Dequeue() (GenericJob, error) {
+ q.mu.Lock()
+ defer q.mu.Unlock()
+
+ if len(q.readyQueue) == 0 {
+ return nil, ErrQueueEmpty
+ }
+
+ job := q.readyQueue[0]
+ q.readyQueue = q.readyQueue[1:]
+
+ // Mark the job as processed but keep it in the jobMap for dependency resolution
+ q.processedJobs[job.GetID()] = struct{}{}
+
+ return job, nil
+}
+
+func removeJobID(deps []JobID, id JobID) []JobID {
+ for i, dep := range deps {
+ if dep == id {
+ deps[i] = deps[len(deps)-1]
+ return deps[:len(deps)-1]
+ }
+ }
+
+ return deps
+}
diff --git a/queue_test.go b/queue_test.go
new file mode 100644
index 0000000..301de56
--- /dev/null
+++ b/queue_test.go
@@ -0,0 +1,220 @@
+package jobqueue
+
+import (
+ "testing"
+)
+
+func TestEnqueueJobAlreadyExists(t *testing.T) {
+ runner := &DummyRunnable{}
+ job := NewJob[DummyResult](JobID("1"), runner)
+ q := NewQueue(nil)
+
+ _ = q.Enqueue(job)
+ err := q.Enqueue(job)
+ if err != ErrJobAlreadyExists {
+ t.Fatalf("Expected ErrJobAlreadyExists, got %v", err)
+ }
+}
+
+func TestEnqueueAndDequeue(t *testing.T) {
+
+ runner := &DummyRunnable{}
+
+ q := NewQueue(nil)
+ job1 := NewJob[DummyResult](JobID("1"), runner)
+ job1.SetPriority(PriorityHigh)
+ job2 := NewJob[DummyResult](JobID("2"), runner)
+ _ = q.Enqueue(job1)
+ _ = q.Enqueue(job2)
+ dequeuedJob, err := q.Dequeue()
+ if err != nil || dequeuedJob.GetID() != JobID("1") {
+ t.Fatalf("Unexpected dequeue result: jobID %s, err %v", dequeuedJob.GetID(), err)
+ }
+}
+
+func TestEnqueueAndDequeue2(t *testing.T) {
+
+ runner := &DummyRunnable{}
+
+ q := NewQueue(nil)
+ job1 := NewJob[DummyResult](JobID("1"), runner)
+ job2 := NewJob[DummyResult](JobID("2"), runner)
+
+ job2.AddDependency(JobID("1"))
+
+ _ = q.Enqueue(job1)
+ _ = q.Enqueue(job2)
+ dequeuedJob, err := q.Dequeue()
+ if err != nil {
+ t.Fatalf("Unexpected error: %v", err)
+ }
+
+ if dequeuedJob.GetID() != JobID("1") {
+ t.Fatalf("Unexpected dequeue result: jobID %s", dequeuedJob.GetID())
+ }
+}
+
+func TestDependencyResolution(t *testing.T) {
+ runner := &DummyRunnable{}
+ q := NewQueue(nil)
+ job1 := NewJob[DummyResult](JobID("1"), runner)
+ job2 := NewJob[DummyResult](JobID("2"), runner)
+ job3 := NewJob[DummyResult](JobID("3"), runner)
+
+ _ = q.Enqueue(job3)
+ _ = q.Enqueue(job2)
+ _ = q.Enqueue(job1)
+
+ contains := func(arr []JobID, id JobID) bool {
+ for _, v := range arr {
+ if v == id {
+ return true
+ }
+ }
+ return false
+ }
+
+ possibleJobIDs := []JobID{"1", "2", "3"}
+
+ job, _ := q.Dequeue()
+ if !contains(possibleJobIDs, job.GetID()) {
+ t.Fatalf("Expected jobID in %v, got %s", possibleJobIDs, job.GetID())
+ }
+
+ // remove jobID from possibleJobIDs
+ for i, v := range possibleJobIDs {
+ if v == job.GetID() {
+ possibleJobIDs = append(possibleJobIDs[:i], possibleJobIDs[i+1:]...)
+ }
+ }
+
+ job, _ = q.Dequeue()
+ if !contains(possibleJobIDs, job.GetID()) {
+ t.Fatalf("Expected jobID in %v, got %s", possibleJobIDs, job.GetID())
+ }
+
+ // remove jobID from possibleJobIDs
+ for i, v := range possibleJobIDs {
+ if v == job.GetID() {
+ possibleJobIDs = append(possibleJobIDs[:i], possibleJobIDs[i+1:]...)
+ }
+ }
+
+ job, _ = q.Dequeue()
+ if !contains(possibleJobIDs, job.GetID()) {
+ t.Fatalf("Expected jobID in %v, got %s", possibleJobIDs, job.GetID())
+ }
+
+ // remove jobID from possibleJobIDs
+ for i, v := range possibleJobIDs {
+ if v == job.GetID() {
+ possibleJobIDs = append(possibleJobIDs[:i], possibleJobIDs[i+1:]...)
+ }
+ }
+
+ if len(possibleJobIDs) != 0 {
+ t.Fatalf("Expected no jobIDs left in %v", possibleJobIDs)
+ }
+
+}
+
+func TestDequeueEmptyQueue(t *testing.T) {
+ q := NewQueue(nil)
+ _, err := q.Dequeue()
+ if err != ErrQueueEmpty {
+ t.Fatalf("Expected ErrQueueEmpty, got %v", err)
+ }
+}
+
+func TestProcessedJobs(t *testing.T) {
+ q := NewQueue(nil)
+ runner := &DummyRunnable{}
+ job1 := NewJob[DummyResult](JobID("1"), runner)
+ job2 := NewJob[DummyResult](JobID("2"), runner)
+
+ _ = q.Enqueue(job1)
+ _, _ = q.Dequeue()
+ _ = q.Enqueue(job2)
+
+ _, err := q.Dequeue()
+ if err != nil {
+ t.Fatalf("Dequeue failed: %v", err)
+ }
+
+ if _, exists := q.processedJobs[job1.GetID()]; !exists {
+ t.Fatalf("Job 1 not marked as processed")
+ }
+}
+
+func TestCyclicDependencies(t *testing.T) {
+ runner := &DummyRunnable{}
+ q := NewQueue(nil)
+ job1 := NewJob[DummyResult](JobID("1"), runner)
+ job2 := NewJob[DummyResult](JobID("2"), runner)
+ job3 := NewJob[DummyResult](JobID("3"), runner)
+
+ job1.AddDependency(JobID("2"))
+ job2.AddDependency(JobID("3"))
+ job3.AddDependency(JobID("1"))
+
+ err := q.Enqueue(job1)
+ if err != nil {
+ t.Fatalf("Enqueue failed: %v", err)
+ }
+
+ err = q.Enqueue(job2)
+ if err != nil {
+ t.Fatalf("Enqueue failed: %v", err)
+ }
+
+ err = q.Enqueue(job3)
+ if err == nil || err != ErrCycleDetected {
+ t.Fatalf("Expected ErrCyclicDependency, got %v", err)
+ }
+}
+
+func TestDuplicateDependencies(t *testing.T) {
+ runner := &DummyRunnable{}
+ q := NewQueue(nil)
+ job1 := NewJob[DummyResult](JobID("1"), runner)
+ job2 := NewJob[DummyResult](JobID("2"), runner)
+
+ job2.AddDependency(JobID("1"))
+ job2.AddDependency(JobID("1"))
+
+ _ = q.Enqueue(job1)
+ err := q.Enqueue(job2)
+ if err != nil {
+ t.Fatalf("Enqueue failed: %v", err)
+ }
+
+ _, err = q.Dequeue()
+ if err != nil {
+ t.Fatalf("Dequeue failed: %v", err)
+ }
+
+ _, err = q.Dequeue()
+ if err != nil {
+ t.Fatalf("Dequeue failed: %v", err)
+ }
+
+ if len(q.processedJobs) != 2 {
+ t.Fatalf("Expected 2 processed jobs, got %d", len(q.processedJobs))
+ }
+
+}
+
+func TestJobWithSelfAsDependency(t *testing.T) {
+ runner := &DummyRunnable{}
+ q := NewQueue(nil)
+ job1 := NewJob[DummyResult](JobID("1"), runner)
+
+ job1.AddDependency(JobID("1"))
+
+ err := q.Enqueue(job1)
+ if err == nil || err != ErrCycleDetected {
+ t.Fatalf("Expected ErrCycleDetected, got %v", err)
+ }
+}
+
+// Continue with other test cases...
diff --git a/runnable-counter.go b/runnable-counter.go
new file mode 100644
index 0000000..780768c
--- /dev/null
+++ b/runnable-counter.go
@@ -0,0 +1,38 @@
+package jobqueue
+
+import (
+ "sync"
+)
+
+// CounterResult is a result of a counter
+type CounterResult struct {
+ Count int
+}
+
+// CounterRunnable is a runnable that counts
+type CounterRunnable struct {
+ Count int
+ mu sync.Mutex
+}
+
+// GetCount returns the current count
+func (c *CounterRunnable) GetCount() int {
+ c.mu.Lock()
+ defer c.mu.Unlock()
+ return c.Count
+}
+
+// Run runs the counter
+func (c *CounterRunnable) Run() (RunResult[CounterResult], error) {
+ c.mu.Lock()
+ defer c.mu.Unlock()
+
+ c.Count++
+
+ return RunResult[CounterResult]{
+ Status: ResultStatusSuccess,
+ Data: CounterResult{
+ Count: c.Count,
+ },
+ }, nil
+}
diff --git a/runnable-counter_test.go b/runnable-counter_test.go
new file mode 100644
index 0000000..55d28ad
--- /dev/null
+++ b/runnable-counter_test.go
@@ -0,0 +1,24 @@
+package jobqueue
+
+import (
+ "testing"
+)
+
+func TestRunnableCounter(t *testing.T) {
+
+ runner := &CounterRunnable{}
+
+ r, err := runner.Run()
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ }
+
+ if r.Status != ResultStatusSuccess {
+ t.Errorf("Unexpected result status: %v", r.Status)
+ }
+
+ if r.Data.Count != 1 {
+ t.Errorf("Unexpected result data: %v", r.Data)
+ }
+
+}
diff --git a/runnable-dummy.go b/runnable-dummy.go
new file mode 100644
index 0000000..6e86990
--- /dev/null
+++ b/runnable-dummy.go
@@ -0,0 +1,13 @@
+package jobqueue
+
+// DummyResult is a dummy result
+type DummyResult struct {
+}
+
+type DummyRunnable struct{}
+
+func (d *DummyRunnable) Run() (RunResult[DummyResult], error) {
+ return RunResult[DummyResult]{
+ Status: ResultStatusSuccess,
+ }, nil
+}
diff --git a/runnable-dummy_test.go b/runnable-dummy_test.go
new file mode 100644
index 0000000..b056ba1
--- /dev/null
+++ b/runnable-dummy_test.go
@@ -0,0 +1,16 @@
+package jobqueue
+
+import (
+ "testing"
+)
+
+func TestDummyRunnable(t *testing.T) {
+
+ runner := &DummyRunnable{}
+
+ _, err := runner.Run()
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ }
+
+}
diff --git a/runnable-fileoperation.go b/runnable-fileoperation.go
new file mode 100644
index 0000000..1aa1e0c
--- /dev/null
+++ b/runnable-fileoperation.go
@@ -0,0 +1,99 @@
+package jobqueue
+
+import (
+ "os"
+)
+
+type FileOperationResult struct {
+ Success bool
+ Content string // Optional, je nach Operation
+}
+
+const (
+ FileOperationRead = "read"
+ FileOperationWrite = "write"
+ FileOperationDelete = "delete"
+ FileOperationAppend = "append"
+ FileOperationCreate = "create"
+)
+
+type FileOperationRunnable struct {
+ Operation string // z.B. "read", "write", "delete"
+ FilePath string
+ Content string // Optional, je nach Operation
+}
+
+func (f *FileOperationRunnable) Run() (RunResult[FileOperationResult], error) {
+ switch f.Operation {
+ case FileOperationRead:
+ content, err := os.ReadFile(f.FilePath)
+ if err != nil {
+ return RunResult[FileOperationResult]{Status: ResultStatusFailed}, err
+ }
+ return RunResult[FileOperationResult]{
+ Status: ResultStatusSuccess,
+ Data: FileOperationResult{
+ Success: true,
+ Content: string(content),
+ },
+ }, nil
+ case FileOperationWrite:
+ err := os.WriteFile(f.FilePath, []byte(f.Content), 0644)
+ if err != nil {
+ return RunResult[FileOperationResult]{Status: ResultStatusFailed}, err
+ }
+ return RunResult[FileOperationResult]{
+ Status: ResultStatusSuccess,
+ Data: FileOperationResult{
+ Success: true,
+ },
+ }, nil
+ case FileOperationDelete:
+ err := os.Remove(f.FilePath)
+ if err != nil {
+ return RunResult[FileOperationResult]{Status: ResultStatusFailed}, err
+ }
+ return RunResult[FileOperationResult]{
+ Status: ResultStatusSuccess,
+ Data: FileOperationResult{
+ Success: true,
+ },
+ }, nil
+
+ case FileOperationAppend:
+ fp, err := os.OpenFile(f.FilePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+ if err != nil {
+ return RunResult[FileOperationResult]{Status: ResultStatusFailed}, err
+ }
+
+ defer fp.Close()
+
+ if _, err := fp.WriteString(f.Content); err != nil {
+ return RunResult[FileOperationResult]{Status: ResultStatusFailed}, err
+ }
+
+ return RunResult[FileOperationResult]{
+ Status: ResultStatusSuccess,
+ Data: FileOperationResult{
+ Success: true,
+ },
+ }, nil
+
+ case FileOperationCreate:
+ f, err := os.Create(f.FilePath)
+ if err != nil {
+ return RunResult[FileOperationResult]{Status: ResultStatusFailed}, err
+ }
+ defer f.Close()
+
+ return RunResult[FileOperationResult]{
+ Status: ResultStatusSuccess,
+ Data: FileOperationResult{
+ Success: true,
+ },
+ }, nil
+
+ default:
+ return RunResult[FileOperationResult]{Status: ResultStatusFailed}, ErrUnsupportedFileOption
+ }
+}
diff --git a/runnable-fileoperation_test.go b/runnable-fileoperation_test.go
new file mode 100644
index 0000000..c62c91f
--- /dev/null
+++ b/runnable-fileoperation_test.go
@@ -0,0 +1,67 @@
+package jobqueue
+
+import (
+ "io/ioutil"
+ "os"
+ "path"
+ "testing"
+)
+
+func TestFileOperationRunnable(t *testing.T) {
+
+ dir := t.TempDir()
+ err := os.Chdir(dir)
+ if err != nil {
+ t.Fatalf("Failed to change directory: %v", err)
+ }
+
+ testFilePath := path.Join(dir, "test.txt")
+ testContent := "Hello, World!"
+
+ // Test FileOperationCreate
+ createRunner := FileOperationRunnable{Operation: FileOperationCreate, FilePath: testFilePath}
+ _, err = createRunner.Run()
+ if err != nil {
+ t.Fatalf("Failed to create file: %v", err)
+ }
+
+ // Test FileOperationWrite
+ writeRunner := FileOperationRunnable{Operation: FileOperationWrite, FilePath: testFilePath, Content: testContent}
+ _, err = writeRunner.Run()
+ if err != nil {
+ t.Fatalf("Failed to write to file: %v", err)
+ }
+
+ // Test FileOperationRead
+ readRunner := FileOperationRunnable{Operation: FileOperationRead, FilePath: testFilePath}
+ result, err := readRunner.Run()
+ if err != nil || result.Data.Content != testContent {
+ t.Fatalf("Failed to read from file: %v", err)
+ }
+
+ // Test FileOperationAppend
+ appendContent := " Appended."
+ appendRunner := FileOperationRunnable{Operation: FileOperationAppend, FilePath: testFilePath, Content: appendContent}
+ _, err = appendRunner.Run()
+ if err != nil {
+ t.Fatalf("Failed to append to file: %v", err)
+ }
+
+ // Re-verify content after append
+ updatedContent, _ := ioutil.ReadFile(testFilePath)
+ if string(updatedContent) != testContent+appendContent {
+ t.Fatalf("Append operation failed.")
+ }
+
+ // Test FileOperationDelete
+ deleteRunner := FileOperationRunnable{Operation: FileOperationDelete, FilePath: testFilePath}
+ _, err = deleteRunner.Run()
+ if err != nil {
+ t.Fatalf("Failed to delete file: %v", err)
+ }
+
+ // Verify the file is deleted
+ if _, err := os.Stat(testFilePath); !os.IsNotExist(err) {
+ t.Fatalf("File deletion failed.")
+ }
+}
diff --git a/runnable-gorm.go b/runnable-gorm.go
new file mode 100644
index 0000000..53cb581
--- /dev/null
+++ b/runnable-gorm.go
@@ -0,0 +1,55 @@
+package jobqueue
+
+import (
+ "gorm.io/driver/mysql"
+ "gorm.io/gorm"
+)
+
+// DBResult is a result of a db query
+type DBResult struct {
+ RowsAffected int
+}
+
+type DBRunnable struct {
+ Type string
+ DSN string
+ Query string
+ db *gorm.DB // internal for testing
+}
+
+func (d *DBRunnable) Run() (RunResult[DBResult], error) {
+ var db *gorm.DB
+ var err error
+
+ if d.db == nil {
+
+ switch d.Type {
+ case "mysql":
+ db, err = gorm.Open(mysql.Open(d.DSN), &gorm.Config{})
+
+ default:
+ return RunResult[DBResult]{Status: ResultStatusFailed}, ErrUnsupportedDatabaseType
+ }
+ } else {
+ db = d.db
+ }
+
+ if err != nil {
+ return RunResult[DBResult]{Status: ResultStatusFailed}, err
+ }
+
+ var result *gorm.DB
+
+ result = db.Exec(d.Query)
+
+ if result.Error != nil {
+ return RunResult[DBResult]{Status: ResultStatusFailed}, result.Error
+ }
+
+ return RunResult[DBResult]{
+ Status: ResultStatusSuccess,
+ Data: DBResult{
+ RowsAffected: int(result.RowsAffected),
+ },
+ }, nil
+}
diff --git a/runnable-gorm_test.go b/runnable-gorm_test.go
new file mode 100644
index 0000000..e124a0e
--- /dev/null
+++ b/runnable-gorm_test.go
@@ -0,0 +1,46 @@
+package jobqueue
+
+import (
+ "github.com/DATA-DOG/go-sqlmock"
+ "gorm.io/driver/mysql"
+ "gorm.io/gorm"
+ "testing"
+)
+
+func TestDBRunnable_Run(t *testing.T) {
+ // Mock-DB erstellen
+ db, mock, err := sqlmock.New()
+ if err != nil {
+ t.Fatalf("Could not create mock: %s", err)
+ }
+ gormDB, _ := gorm.Open(mysql.New(mysql.Config{
+ Conn: db,
+ SkipInitializeWithVersion: true,
+ }), &gorm.Config{})
+
+ //existsRows := sqlmock.NewRows([]string{"exists"}).
+ // AddRow(true)
+
+ //mock.ExpectQuery("SELECT EXISTS \\( SELECT 1 FROM information_schema\\.tables WHERE table_schema = 'public' AND table_name = 'myTable3' \\);").
+ // WillReturnRows(existsRows)
+
+ mock.ExpectExec("SELECT \\* FROM table_name").WillReturnResult(sqlmock.NewResult(1, 1))
+
+ // Erstellen Sie die zu testende Instanz
+ runnable := &DBRunnable{
+ Type: "mysql",
+ db: gormDB, // Injizierte Mock-DB
+ Query: "SELECT * FROM table_name",
+ }
+
+ // Rufen Sie die Run()-Methode auf und überprüfen Sie die Ergebnisse
+ result, err := runnable.Run()
+
+ // Überprüfungen hier
+ if err != nil {
+ t.Fatalf("Failed to run: %s", err)
+ }
+ if result.Status != ResultStatusSuccess {
+ t.Fatalf("Expected success, got: %d", result.Status)
+ }
+}
diff --git a/runnable-http.go b/runnable-http.go
new file mode 100644
index 0000000..b1f498a
--- /dev/null
+++ b/runnable-http.go
@@ -0,0 +1,53 @@
+package jobqueue
+
+import (
+ "bytes"
+ "io"
+ "net/http"
+)
+
+// HTTPResult is a result of a http request
+type HTTPResult struct {
+ StatusCode int
+ Body string
+}
+
+type HTTPRunnable struct {
+ URL string
+ Method string
+ Header map[string]string
+ Body string
+}
+
+func (h *HTTPRunnable) Run() (RunResult[HTTPResult], error) {
+ client := &http.Client{}
+
+ reqBody := bytes.NewBufferString(h.Body)
+ req, err := http.NewRequest(h.Method, h.URL, reqBody)
+ if err != nil {
+ return RunResult[HTTPResult]{Status: ResultStatusFailed}, err
+ }
+
+ for key, value := range h.Header {
+ req.Header.Set(key, value)
+ }
+
+ resp, err := client.Do(req)
+ if err != nil {
+ return RunResult[HTTPResult]{Status: ResultStatusFailed}, err
+ }
+ defer resp.Body.Close()
+
+ body, err := io.ReadAll(resp.Body)
+ if err != nil {
+ return RunResult[HTTPResult]{Status: ResultStatusFailed}, err
+ }
+
+ return RunResult[HTTPResult]{
+ Status: ResultStatusSuccess,
+ Data: HTTPResult{
+ StatusCode: resp.StatusCode,
+ Body: string(body),
+ },
+ }, nil
+}
diff --git a/runnable-http_test.go b/runnable-http_test.go
new file mode 100644
index 0000000..e867793
--- /dev/null
+++ b/runnable-http_test.go
@@ -0,0 +1,36 @@
+package jobqueue
+
+import (
+ "github.com/stretchr/testify/assert"
+ "net/http"
+ "net/http/httptest"
+ "testing"
+)
+
+func TestHTTPRunnable_Run(t *testing.T) {
+
+ server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+ _, _ = w.Write([]byte("Hello, world!"))
+ }))
+ defer server.Close()
+
+ httpRunnable := &HTTPRunnable{
+ URL: server.URL,
+ Method: "GET",
+ Header: map[string]string{
+ "Content-Type": "application/json",
+ },
+ Body: "",
+ }
+
+ result, err := httpRunnable.Run()
+
+ // Assertions
+ assert.NoError(t, err)
+ assert.Equal(t, ResultStatusSuccess, result.Status)
+ assert.IsType(t, HTTPResult{}, result.Data)
+
+ httpResult := result.Data
+ assert.Equal(t, 200, httpResult.StatusCode)
+ assert.Equal(t, "Hello, world!", httpResult.Body)
+}
diff --git a/runnable-mail.go b/runnable-mail.go
new file mode 100644
index 0000000..9927096
--- /dev/null
+++ b/runnable-mail.go
@@ -0,0 +1,79 @@
+package jobqueue
+
+import (
+ "net/smtp"
+)
+
+// MailResult is a result of a email
+type MailResult struct {
+ Sent bool
+ ServerReply string
+ SmtpStatusCode uint
+}
+
+type MailRunnable struct {
+ To string
+ From string
+ Subject string
+ Body string
+ Server string
+ Port string
+ Username string
+ Password string
+ Headers map[string]string
+}
+
+func (m *MailRunnable) Run() (RunResult[MailResult], error) {
+
+ smtpServer := m.Server + ":" + m.Port
+
+ // Connect to the remote SMTP server.
+ client, err := smtp.Dial(smtpServer)
+ if err != nil {
+ return RunResult[MailResult]{Status: ResultStatusFailed}, err
+ }
+
+ if client != nil {
+ defer client.Close()
+ }
+
+ if m.Username != "" && m.Password != "" {
+ if err := client.Auth(smtp.PlainAuth("", m.Username, m.Password, m.Server)); err != nil {
+ return RunResult[MailResult]{Status: ResultStatusFailed}, err
+ }
+ }
+
+ // To && From.
+ if err := client.Mail(m.From); err != nil {
+ return RunResult[MailResult]{Status: ResultStatusFailed}, err
+ }
+ if err := client.Rcpt(m.To); err != nil {
+ return RunResult[MailResult]{Status: ResultStatusFailed}, err
+ }
+
+ // Headers and Data.
+ writer, err := client.Data()
+ if err != nil {
+ return RunResult[MailResult]{Status: ResultStatusFailed}, err
+ }
+
+ headers := "From: " + m.From + "\r\n"
+ headers += "To: " + m.To + "\r\n"
+ headers += "Subject: " + m.Subject + "\r\n"
+
+ for key, value := range m.Headers {
+ headers += key + ": " + value + "\r\n"
+ }
+
+ _, err = writer.Write([]byte(headers + "\r\n" + m.Body))
+ if err != nil {
+ return RunResult[MailResult]{Status: ResultStatusFailed}, err
+ }
+
+ _ = writer.Close()
+
+ // Quit and get the SMTP status code.
+ smtpStatusCode, _ := client.Text.Cmd("QUIT")
+
+ return RunResult[MailResult]{Status: ResultStatusSuccess, Data: MailResult{Sent: true, SmtpStatusCode: smtpStatusCode}}, nil
+}
diff --git a/runnable-mail_test.go b/runnable-mail_test.go
new file mode 100644
index 0000000..65e814e
--- /dev/null
+++ b/runnable-mail_test.go
@@ -0,0 +1,186 @@
+package jobqueue
+
+import (
+ "context"
+ "fmt"
+ "github.com/docker/docker/api/types"
+ "github.com/docker/docker/api/types/container"
+ "github.com/docker/docker/client"
+ "github.com/docker/go-connections/nat"
+ "github.com/stretchr/testify/assert"
+ "net"
+ "testing"
+ "time"
+)
+
+func startTestSMTPDockerImageAndContainer(t *testing.T, host string, port string, ctx context.Context) error {
+ t.Helper()
+
+ cli, err := client.NewClientWithOpts(client.WithVersion("1.41"))
+ if err != nil {
+ return err
+ }
+
+ imageName := "axllent/mailpit"
+
+ reader, err := cli.ImagePull(ctx, imageName, types.ImagePullOptions{})
+ if err != nil {
+ return err
+ }
+
+ // if debug image pull, comment out the following lines
+ //_, _ = io.Copy(os.Stdout, reader)
+ _ = reader
+
+ hostConfig := &container.HostConfig{
+ PortBindings: nat.PortMap{
+ "1025/tcp": []nat.PortBinding{
+ {
+ HostIP: host,
+ HostPort: port,
+ },
+ },
+ "8025/tcp": []nat.PortBinding{
+ {
+ HostIP: host,
+ HostPort: "8025",
+ },
+ },
+ },
+ }
+
+ resp, err := cli.ContainerCreate(ctx, &container.Config{
+ Image: imageName,
+ }, hostConfig, nil, nil, "")
+
+ if err != nil {
+ return err
+ }
+
+ if err := cli.ContainerStart(ctx, resp.ID, types.ContainerStartOptions{}); err != nil {
+ return err
+ }
+
+ go func() {
+ <-ctx.Done()
+
+ timeout := 0
+ stopOptions := container.StopOptions{
+ Timeout: &timeout,
+ Signal: "SIGKILL",
+ }
+ newCtx, _ := context.WithTimeout(context.Background(), 20*time.Second)
+ if err := cli.ContainerStop(newCtx, resp.ID, stopOptions); err != nil {
+ t.Errorf("ContainerStop returned error: %v", err)
+ }
+ if err := cli.ContainerRemove(newCtx, resp.ID, types.ContainerRemoveOptions{
+ Force: true,
+ }); err != nil {
+ t.Errorf("ContainerRemove returned error: %v", err)
+ }
+
+ }()
+
+ statusCh, errCh := cli.ContainerWait(ctx, resp.ID, container.WaitConditionNotRunning)
+ select {
+ case err := <-errCh:
+ if err != nil {
+ // empty error means container exited normally (see container_wait.go)
+ if err.Error() == "" {
+ return nil
+ }
+
+ return err
+ }
+ case <-statusCh:
+
+ }
+
+ return nil
+}
+
+func TestMailRunner(t *testing.T) {
+ ctb := context.Background()
+ ctx, cancel := context.WithCancel(ctb)
+ t.Cleanup(func() {
+ cancel()
+ time.Sleep(1 * time.Second)
+ })
+
+ host := "127.0.0.1"
+
+ listener, err := net.Listen("tcp", host+":0")
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ return
+ }
+ portAsInt := listener.Addr().(*net.TCPAddr).Port
+ portAsString := fmt.Sprintf("%d", portAsInt)
+ _ = listener.Close()
+
+ done := make(chan bool)
+ go func() {
+ err = startTestSMTPDockerImageAndContainer(t, host, portAsString, ctx)
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ cancel()
+ }
+ done <- true
+ }()
+
+ waitCtx, waitCancel := context.WithTimeout(ctx, 30*time.Second)
+ defer waitCancel()
+ for {
+ conn, err := net.DialTimeout("tcp", net.JoinHostPort(host, portAsString), 1*time.Second)
+ if err == nil {
+ err = conn.Close()
+ assert.Nil(t, err)
+ break
+ }
+ select {
+ case <-waitCtx.Done():
+ t.Error("Timeout waiting for container service")
+ cancel()
+ return
+ default:
+ time.Sleep(1 * time.Second)
+ }
+ }
+
+ time.Sleep(1 * time.Second)
+
+ mailRunnable := &MailRunnable{
+ To: "to@example.com",
+ From: "from@example.com",
+ Subject: "this is a test",
+ Body: "this is the body",
+ Server: host,
+ Port: portAsString,
+ Username: "",
+ Password: "",
+ Headers: map[string]string{
+ "X-Test": "test",
+ },
+ }
+
+ result, err := mailRunnable.Run()
+
+ // Assertions
+ assert.NoError(t, err)
+ assert.Equal(t, ResultStatusSuccess, result.Status)
+ assert.IsType(t, MailResult{}, result.Data)
+
+ // check result.Data contains 4 files
+ mailResult := result.Data.Sent
+ assert.Equal(t, true, mailResult)
+
+ cancel()
+
+ select {
+ case <-done:
+ time.Sleep(1 * time.Second)
+ case <-time.After(1 * time.Minute):
+ t.Error("test hangs, timeout reached")
+ }
+
+}
diff --git a/runnable-sftp.go b/runnable-sftp.go
new file mode 100644
index 0000000..c57400c
--- /dev/null
+++ b/runnable-sftp.go
@@ -0,0 +1,209 @@
+package jobqueue
+
+import (
+ "fmt"
+ "github.com/pkg/sftp"
+ "golang.org/x/crypto/ssh"
+ "io"
+ "os"
+)
+
+// SFTPResult is a result of a sftp
+type SFTPResult struct {
+ FilesCopied []string
+}
+
+const (
+ CredentialTypePassword = "password"
+ CredentialTypeKey = "key"
+)
+
+type Direction string
+
+const (
+ LocalToRemote Direction = "LocalToRemote"
+ RemoteToLocal Direction = "RemoteToLocal"
+)
+
+type SFTPRunnable struct {
+ Host string
+ Port int
+ User string
+ Insecure bool
+ Credential string
+ CredentialType string
+ HostKey string
+ SrcDir string
+ DstDir string
+ TransferDirection Direction
+}
+
+func (s *SFTPRunnable) Run() (RunResult[SFTPResult], error) {
+
+ var authMethod ssh.AuthMethod
+
+ // Auth
+ switch s.CredentialType {
+ case CredentialTypePassword:
+ authMethod = ssh.Password(s.Credential)
+ case CredentialTypeKey:
+ key, err := ssh.ParsePrivateKey([]byte(s.Credential))
+ if err != nil {
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, err
+ }
+ authMethod = ssh.PublicKeys(key)
+ default:
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, ErrUnsupportedCredentialType
+ }
+
+ var hkCallback ssh.HostKeyCallback
+
+ if s.HostKey != "" {
+
+ hostkeyBytes := []byte(s.HostKey)
+ hostKey, err := ssh.ParsePublicKey(hostkeyBytes)
+ if err != nil {
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, err
+ }
+
+ hkCallback = ssh.FixedHostKey(hostKey)
+ } else {
+ if s.Insecure {
+ hkCallback = ssh.InsecureIgnoreHostKey()
+ } else {
+ hkCallback = ssh.FixedHostKey(nil)
+ }
+ }
+
+ config := &ssh.ClientConfig{
+ User: s.User,
+ Auth: []ssh.AuthMethod{
+ authMethod,
+ },
+ HostKeyCallback: hkCallback,
+ }
+
+ client, err := ssh.Dial("tcp", fmt.Sprintf("%s:%d", s.Host, s.Port), config)
+ if err != nil {
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, err
+ }
+ defer client.Close()
+
+ sftpClient, err := sftp.NewClient(client)
+ if err != nil {
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, err
+ }
+ defer sftpClient.Close()
+
+ var filesCopied []string
+
+ switch s.TransferDirection {
+ case LocalToRemote:
+ filesCopied, err = s.copyLocalToRemote(sftpClient)
+ case RemoteToLocal:
+ filesCopied, err = s.copyRemoteToLocal(sftpClient)
+ default:
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, ErrUnsupportedTransferDirection
+ }
+
+ if err != nil {
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, err
+ }
+
+ if err != nil {
+ return RunResult[SFTPResult]{Status: ResultStatusFailed}, err
+ }
+
+ return RunResult[SFTPResult]{Status: ResultStatusSuccess, Data: SFTPResult{FilesCopied: filesCopied}}, nil
+}
+
+func copyFile(src io.Reader, dst io.Writer) error {
+ _, err := io.Copy(dst, src)
+ return err
+}
+
+func (s *SFTPRunnable) copyLocalToRemote(sftpClient *sftp.Client) ([]string, error) {
+
+ var filesCopied []string
+
+ // create destination directory
+ err := sftpClient.MkdirAll(s.DstDir)
+ if err != nil {
+ return nil, err
+ }
+
+ // copy files
+ files, err := os.ReadDir(s.SrcDir)
+ if err != nil {
+ return nil, err
+ }
+
+ for _, file := range files {
+ if file.IsDir() {
+ continue
+ }
+
+ srcFile, err := os.Open(fmt.Sprintf("%s/%s", s.SrcDir, file.Name()))
+ if err != nil {
+ return nil, err
+ }
+ dstFile, err := sftpClient.Create(fmt.Sprintf("%s/%s", s.DstDir, file.Name()))
+ if err != nil {
+ _ = srcFile.Close()
+ return nil, err
+ }
+ err = copyFile(srcFile, dstFile)
+ _ = srcFile.Close()
+ _ = dstFile.Close()
+ if err != nil {
+ return nil, err
+ }
+
+ filesCopied = append(filesCopied, fmt.Sprintf("%s/%s", s.DstDir, file.Name()))
+ }
+
+ return filesCopied, nil
+}
+
+func (s *SFTPRunnable) copyRemoteToLocal(sftpClient *sftp.Client) ([]string, error) {
+
+ var filesCopied []string
+
+ // create destination directory
+ err := os.MkdirAll(s.DstDir, 0755)
+ if err != nil {
+ return nil, err
+ }
+
+ // copy files
+ files, err := sftpClient.ReadDir(s.SrcDir)
+ if err != nil {
+ return nil, err
+ }
+
+ for _, file := range files {
+ if file.IsDir() {
+ continue
+ }
+
+ srcFile, err := sftpClient.Open(fmt.Sprintf("%s/%s", s.SrcDir, file.Name()))
+ if err != nil {
+ return nil, err
+ }
+ dstFile, err := os.Create(fmt.Sprintf("%s/%s", s.DstDir, file.Name()))
+ if err != nil {
+ _ = srcFile.Close()
+ return nil, err
+ }
+ err = copyFile(srcFile, dstFile)
+ _ = srcFile.Close()
+ _ = dstFile.Close()
+ if err != nil {
+ return nil, err
+ }
+
+ filesCopied = append(filesCopied, fmt.Sprintf("%s/%s", s.DstDir, file.Name()))
+ }
+
+ return filesCopied, nil
+}
diff --git a/runnable-sftp_test.go b/runnable-sftp_test.go
new file mode 100644
index 0000000..4ab86c7
--- /dev/null
+++ b/runnable-sftp_test.go
@@ -0,0 +1,296 @@
+package jobqueue
+
+import (
+ "context"
+ "fmt"
+ "github.com/docker/docker/api/types"
+ "github.com/docker/docker/api/types/container"
+ "github.com/docker/docker/client"
+ "github.com/docker/go-connections/nat"
+ "github.com/stretchr/testify/assert"
+ "net"
+ "os"
+ "testing"
+ "time"
+)
+
+func startSFTPTestDockerImageAndContainer(t *testing.T, host string, port string, volume string, ctx context.Context) error {
+ t.Helper()
+
+ cli, err := client.NewClientWithOpts(client.WithVersion("1.41"))
+ if err != nil {
+ return err
+ }
+
+ imageName := "atmoz/sftp:alpine"
+
+ reader, err := cli.ImagePull(ctx, imageName, types.ImagePullOptions{})
+ if err != nil {
+ return err
+ }
+
+ // if debug image pull, comment out the following lines
+ //_, _ = io.Copy(os.Stdout, reader)
+ _ = reader
+
+ hostConfig := &container.HostConfig{
+ PortBindings: nat.PortMap{
+ "22/tcp": []nat.PortBinding{
+ {
+ HostIP: host,
+ HostPort: port,
+ },
+ },
+ },
+ }
+
+ if volume != "" {
+ hostConfig.Binds = append(hostConfig.Binds, volume+":/home/demo/upload")
+ }
+
+ resp, err := cli.ContainerCreate(ctx, &container.Config{
+ Image: imageName,
+ Cmd: []string{"demo:secret:::upload"},
+ }, hostConfig, nil, nil, "")
+
+ if err != nil {
+ return err
+ }
+
+ if err := cli.ContainerStart(ctx, resp.ID, types.ContainerStartOptions{}); err != nil {
+ return err
+ }
+
+ go func() {
+ <-ctx.Done()
+
+ timeout := 0
+ stopOptions := container.StopOptions{
+ Timeout: &timeout,
+ Signal: "SIGKILL",
+ }
+ newCtx, _ := context.WithTimeout(context.Background(), 20*time.Second)
+ if err := cli.ContainerStop(newCtx, resp.ID, stopOptions); err != nil {
+ t.Errorf("ContainerStop returned error: %v", err)
+ }
+ if err := cli.ContainerRemove(newCtx, resp.ID, types.ContainerRemoveOptions{
+ Force: true,
+ }); err != nil {
+ t.Errorf("ContainerRemove returned error: %v", err)
+ }
+
+ }()
+
+ statusCh, errCh := cli.ContainerWait(ctx, resp.ID, container.WaitConditionNotRunning)
+ select {
+ case err := <-errCh:
+ if err != nil {
+ // empty error means container exited normally (see container_wait.go)
+ if err.Error() == "" {
+ return nil
+ }
+
+ return err
+ }
+ case <-statusCh:
+
+ }
+
+ return nil
+}
+
+func TestSFTPCRunnerLocalToRemote(t *testing.T) {
+ ctb := context.Background()
+ ctx, cancel := context.WithCancel(ctb)
+ t.Cleanup(func() {
+ cancel()
+ time.Sleep(1 * time.Second)
+ })
+
+ host := "127.0.0.1"
+
+ listener, err := net.Listen("tcp", host+":0")
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ return
+ }
+ portAsInt := listener.Addr().(*net.TCPAddr).Port
+ portAsString := fmt.Sprintf("%d", portAsInt)
+ _ = listener.Close()
+
+ done := make(chan bool)
+ go func() {
+ err = startSFTPTestDockerImageAndContainer(t, host, portAsString, "", ctx)
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ cancel()
+ }
+ done <- true
+ }()
+
+ waitCtx, waitCancel := context.WithTimeout(ctx, 30*time.Second)
+ defer waitCancel()
+ for {
+ conn, err := net.DialTimeout("tcp", net.JoinHostPort(host, portAsString), 1*time.Second)
+ if err == nil {
+ err = conn.Close()
+ assert.Nil(t, err)
+ break
+ }
+ select {
+ case <-waitCtx.Done():
+ t.Error("Timeout waiting for container service")
+ cancel()
+ return
+ default:
+ time.Sleep(1 * time.Second)
+ }
+ }
+
+ time.Sleep(1 * time.Second)
+
+ tempDir := t.TempDir()
+ // create 4 test files
+ for i := 0; i < 4; i++ {
+ _, err := os.Create(fmt.Sprintf("%s/testfile%d.txt", tempDir, i))
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ return
+ }
+ }
+
+ sftpRunnable := &SFTPRunnable{
+ Host: host,
+ Port: portAsInt,
+ User: "demo",
+ Insecure: true,
+ Credential: "secret",
+ CredentialType: "password",
+
+ SrcDir: tempDir,
+ DstDir: "upload",
+ TransferDirection: LocalToRemote,
+ }
+
+ result, err := sftpRunnable.Run()
+
+ // Assertions
+ assert.NoError(t, err)
+ assert.Equal(t, ResultStatusSuccess, result.Status)
+ assert.IsType(t, SFTPResult{}, result.Data)
+
+ // check result.Data contains 4 files
+ sftpResult := result.Data.FilesCopied
+ assert.Equal(t, 4, len(sftpResult))
+
+ cancel()
+
+ select {
+ case <-done:
+ time.Sleep(1 * time.Second)
+ case <-time.After(1 * time.Minute):
+ t.Error("test hangs, timeout reached")
+ }
+
+}
+
+func TestSFTPCRunnerRemoteToLocal(t *testing.T) {
+ ctb := context.Background()
+ ctx, cancel := context.WithCancel(ctb)
+ t.Cleanup(func() {
+ cancel()
+ time.Sleep(1 * time.Second)
+ })
+
+ host := "127.0.0.1"
+
+ listener, err := net.Listen("tcp", host+":0")
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ return
+ }
+ portAsInt := listener.Addr().(*net.TCPAddr).Port
+ portAsString := fmt.Sprintf("%d", portAsInt)
+ _ = listener.Close()
+
+ tempSrcDir := t.TempDir()
+ // create 4 test files
+ for i := 0; i < 4; i++ {
+ _, err := os.Create(fmt.Sprintf("%s/testfile%d.txt", tempSrcDir, i))
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ return
+ }
+ }
+
+ done := make(chan bool)
+ go func() {
+ err = startSFTPTestDockerImageAndContainer(t, host, portAsString, tempSrcDir, ctx)
+ if err != nil {
+ t.Errorf("Unexpected error: %v", err)
+ cancel()
+ }
+ done <- true
+ }()
+
+ waitCtx, waitCancel := context.WithTimeout(ctx, 30*time.Second)
+ defer waitCancel()
+ for {
+ conn, err := net.DialTimeout("tcp", net.JoinHostPort(host, portAsString), 1*time.Second)
+ if err == nil {
+ err = conn.Close()
+ assert.Nil(t, err)
+ break
+ }
+ select {
+ case <-waitCtx.Done():
+ t.Error("Timeout waiting for container service")
+ cancel()
+ return
+ default:
+ time.Sleep(1 * time.Second)
+ }
+ }
+
+ time.Sleep(1 * time.Second)
+
+ tempDir := t.TempDir()
+
+ sftpRunnable := &SFTPRunnable{
+ Host: host,
+ Port: portAsInt,
+ User: "demo",
+ Insecure: true,
+ Credential: "secret",
+ CredentialType: "password",
+ SrcDir: "upload", // Remote-Verzeichnis mit Dateien
+ DstDir: tempDir,
+ TransferDirection: RemoteToLocal,
+ }
+
+ // Methode aufrufen
+ result, err := sftpRunnable.Run()
+
+ // Assertions
+ assert.NoError(t, err)
+ assert.Equal(t, ResultStatusSuccess, result.Status)
+ assert.IsType(t, SFTPResult{}, result.Data)
+
+ // check result.Data contains 4 files
+ sftpResult := result.Data.FilesCopied
+ assert.Equal(t, 4, len(sftpResult))
+
+ // check files in tempDir
+ files, err := os.ReadDir(tempDir)
+ assert.NoError(t, err)
+ assert.Equal(t, 4, len(files))
+
+ cancel()
+
+ select {
+ case <-done:
+ time.Sleep(1 * time.Second)
+ case <-time.After(1 * time.Minute):
+ t.Error("test hangs, timeout reached")
+ }
+}
diff --git a/runnable-shell.go b/runnable-shell.go
new file mode 100644
index 0000000..af60f25
--- /dev/null
+++ b/runnable-shell.go
@@ -0,0 +1,52 @@
+package jobqueue
+
+import (
+ "os/exec"
+ "strings"
+)
+
+// ShellResult is a result of a shell script
+type ShellResult struct {
+ Output string
+ Error string
+ ExitCode int
+}
+
+type ShellRunnable struct {
+ ScriptPath string
+}
+
+func (s *ShellRunnable) Run() (RunResult[ShellResult], error) {
+ cmd := exec.Command("sh", s.ScriptPath)
+ output, err := cmd.Output()
+
+ var stderr []byte
+ if err != nil {
+ stderr = err.(*exec.ExitError).Stderr
+ }
+
+ exitCode := 0
+
+ if err != nil {
+ if exitError, ok := err.(*exec.ExitError); ok {
+ exitCode = exitError.ExitCode()
+ }
+ return RunResult[ShellResult]{
+ Status: ResultStatusFailed,
+ Data: ShellResult{
+ Output: string(output),
+ ExitCode: exitCode,
+ Error: string(stderr),
+ },
+ }, err
+ }
+
+ return RunResult[ShellResult]{
+ Status: ResultStatusSuccess,
+ Data: ShellResult{
+ Output: strings.TrimSpace(string(output)),
+ ExitCode: exitCode,
+ Error: string(stderr),
+ },
+ }, nil
+}
diff --git a/runnable-shell_test.go b/runnable-shell_test.go
new file mode 100644
index 0000000..eab6496
--- /dev/null
+++ b/runnable-shell_test.go
@@ -0,0 +1,46 @@
+package jobqueue
+
+import (
+ "os"
+ "path"
+ "testing"
+)
+
+func TestShellRunnable_Run(t *testing.T) {
+ // Erstellen einer temporären Shell-Datei#
+ tmpDir := t.TempDir()
+ tmpFile := "example.sh"
+ tmpPath := path.Join(tmpDir, tmpFile)
+
+ fp, err := os.Create(tmpPath)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer fp.Close()
+
+ content := []byte("#!/bin/sh\necho 'Hello, world!'\n")
+ if _, err := fp.Write(content); err != nil {
+ t.Fatal(err)
+ }
+
+ // ShellRunnable mit dem Pfad der temporären Datei initialisieren
+ shellRunnable := ShellRunnable{ScriptPath: fp.Name()}
+
+ // Run-Methode aufrufen
+ result, err := shellRunnable.Run()
+
+ // Überprüfungen
+ if err != nil {
+ t.Errorf("Run() failed with error: %v", err)
+ }
+ if result.Status != ResultStatusSuccess {
+ t.Errorf("Expected status Success, got %v", result.Status)
+ }
+
+ if result.Data.Output != "Hello, world!" {
+ t.Errorf("Expected output 'Hello, world!', got '%v'", result.Data.Output)
+ }
+ if result.Data.ExitCode != 0 {
+ t.Errorf("Expected exit code 0, got %v", result.Data.ExitCode)
+ }
+}
diff --git a/runnable.go b/runnable.go
index 0e99d16..99f66a1 100644
--- a/runnable.go
+++ b/runnable.go
@@ -1,88 +1,25 @@
package jobqueue
-import (
- "bytes"
- "context"
- "fmt"
- "os/exec"
-)
-
-type Runnable interface {
- Run(ctx context.Context) (int, any, error)
-}
+type ResultStatus int
-type GoFunctionRunner struct {
- Func func() (int, any, error)
-}
+const (
+ ResultStatusSuccess ResultStatus = iota
+ ResultStatusFailed
+)
-type Result struct {
- Code int
- Result any
- Err error
+type RunGenericResult interface {
+ GetStatus() ResultStatus
}
-func (g *GoFunctionRunner) Run(ctx context.Context) (int, any, error) {
- done := make(chan Result)
-
- go func() {
- var res Result
- defer func() {
- if r := recover(); r != nil {
- res.Err = fmt.Errorf("Command panicked: %w", fmt.Errorf("%v", r))
- }
- done <- res
- }()
- res.Code, res.Result, res.Err = g.Func()
- }()
-
- select {
- case res := <-done:
- return res.Code, res.Result, res.Err
- case <-ctx.Done():
- return RunnableTerminatedExitCode, nil, ctx.Err()
- }
+type RunResult[T any] struct {
+ Status ResultStatus
+ Data T
}
-type ExternalProcessRunner struct {
- Command string
- Args []string
+func (r RunResult[T]) GetStatus() ResultStatus {
+ return r.Status
}
-func (e *ExternalProcessRunner) Run(ctx context.Context) (int, any, error) {
- var stdout, stderr bytes.Buffer
- cmd := exec.CommandContext(ctx, e.Command, e.Args...)
- cmd.Stdout = &stdout
- cmd.Stderr = &stderr
-
- done := make(chan Result)
-
- go func() {
- var res Result
- defer func() {
- if r := recover(); r != nil {
- res.Err = fmt.Errorf("Command panicked: %w", fmt.Errorf("%v", r))
- }
- done <- res
- }()
- err := cmd.Run()
- res.Result = stdout.String() + stderr.String()
- if err != nil {
- if exitErr, ok := err.(*exec.ExitError); ok {
- res.Code = exitErr.ExitCode()
- }
- res.Err = err
- } else {
- res.Code = cmd.ProcessState.ExitCode()
- }
- }()
-
- select {
- case res := <-done:
- return res.Code, res.Result, res.Err
- case <-ctx.Done():
- if cmd.Process != nil {
- _ = cmd.Process.Kill()
- }
- return RunnableTerminatedExitCode, nil, ctx.Err()
- }
+type Runnable[T any] interface {
+ Run() (RunResult[T], error)
}
diff --git a/runnable_test.go b/runnable_test.go
index 168e5c0..437ef15 100644
--- a/runnable_test.go
+++ b/runnable_test.go
@@ -1,131 +1,52 @@
package jobqueue
import (
- "context"
+ "errors"
"testing"
- "time"
)
-func TestGoFunctionRunner(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Second)
- defer cancel()
+// MockSuccessfulRunnable gibt immer ResultStatusSuccess zurück
+type MockSuccessfulRunnable struct{}
- runner := &GoFunctionRunner{
- Func: func() (int, any, error) {
- return 42, nil, nil
- },
- }
-
- result, _, err := runner.Run(ctx)
- if err != nil {
- t.Errorf("Unexpected error: %v", err)
- }
- if result != 42 {
- t.Errorf("Expected 42, got %v", result)
- }
+func (m MockSuccessfulRunnable) Run() (RunResult[string], error) {
+ return RunResult[string]{Status: ResultStatusSuccess, Data: "Success"}, nil
}
-func TestGoFunctionRunnerTimeout(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond)
- defer cancel()
-
- runner := &GoFunctionRunner{
- Func: func() (int, any, error) {
- time.Sleep(10 * time.Millisecond)
- return 42, nil, nil
- },
- }
+// MockFailedRunnable gibt immer ResultStatusFailed zurück
+type MockFailedRunnable struct{}
- _, _, err := runner.Run(ctx)
- if err == nil {
- t.Errorf("Expected timeout error, got nil")
- }
+func (m MockFailedRunnable) Run() (RunResult[string], error) {
+ return RunResult[string]{Status: ResultStatusFailed, Data: "Failed"}, nil
}
-func TestExternalProcessRunner(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), 10*time.Hour)
- defer cancel()
-
- runner := &ExternalProcessRunner{
- Command: "echo",
- Args: []string{"hello"},
- }
+// MockErrorRunnable gibt immer einen Fehler zurück
+type MockErrorRunnable struct{}
- _, _, err := runner.Run(ctx)
- if err != nil {
- t.Errorf("Unexpected error: %v", err)
- }
-}
-
-func TestExternalProcessRunnerFail(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Second)
- defer cancel()
-
- runner := &ExternalProcessRunner{
- Command: "nonexistentcommand",
- }
-
- _, _, err := runner.Run(ctx)
- if err == nil {
- t.Errorf("Expected error, got nil")
- }
+func (m MockErrorRunnable) Run() (RunResult[string], error) {
+ return RunResult[string]{}, errors.New("RunError")
}
-func TestGoFunctionRunnerNilFunc(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Second)
- defer cancel()
+func TestRunnable(t *testing.T) {
+ var run Runnable[string]
- runner := &GoFunctionRunner{}
-
- _, _, err := runner.Run(ctx)
- if err == nil {
- t.Errorf("Expected error, got nil")
+ // Test für erfolgreiche Ausführung
+ run = MockSuccessfulRunnable{}
+ result, err := run.Run()
+ if result.Status != ResultStatusSuccess || err != nil {
+ t.Errorf("Expected success, got %v, %v", result.Status, err)
}
-}
-
-func TestGoFunctionRunnerPanic(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Second)
- defer cancel()
- runner := &GoFunctionRunner{
- Func: func() (int, any, error) {
- panic("Test panic")
- },
+ // Test für fehlgeschlagene Ausführung
+ run = MockFailedRunnable{}
+ result, err = run.Run()
+ if result.Status != ResultStatusFailed || err != nil {
+ t.Errorf("Expected failure, got %v, %v", result.Status, err)
}
- _, _, err := runner.Run(ctx)
+ // Test für Ausführungsfehler
+ run = MockErrorRunnable{}
+ result, err = run.Run()
if err == nil {
t.Errorf("Expected error, got nil")
}
}
-
-func TestGoFunctionRunnerExpiredContext(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond)
- defer cancel()
- time.Sleep(2 * time.Nanosecond)
-
- runner := &GoFunctionRunner{
- Func: func() (int, any, error) {
- return 42, nil, nil
- },
- }
-
- _, _, err := runner.Run(ctx)
- if err == nil {
- t.Errorf("Expected context expired error, got nil")
- }
-}
-
-func TestExternalProcessRunnerInvalidCommand(t *testing.T) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Second)
- defer cancel()
-
- runner := &ExternalProcessRunner{
- Command: "",
- }
-
- _, _, err := runner.Run(ctx)
- if err == nil {
- t.Errorf("Expected error for invalid command, got nil")
- }
-}
diff --git a/scheduler.go b/scheduler.go
new file mode 100644
index 0000000..b94b699
--- /dev/null
+++ b/scheduler.go
@@ -0,0 +1,344 @@
+package jobqueue
+
+import (
+ "fmt"
+ "github.com/robfig/cron/v3"
+ "time"
+)
+
+type StopChan chan bool
+
+type Scheduler interface {
+ Schedule(job GenericJob, eventBus *EventBus) error
+ Cancel(id JobID) error
+ CancelAll() error
+ JobExists(id JobID) bool
+
+ GetType() string
+}
+
+// IntervalScheduler is a scheduler that schedules a job at a fixed interval
+type IntervalScheduler struct {
+ Interval time.Duration
+ jobs map[JobID]StopChan
+}
+
+func (s *IntervalScheduler) Schedule(job GenericJob, eventBus *EventBus) error {
+
+ if s.Interval <= 0 {
+ return fmt.Errorf("invalid interval: %v", s.Interval)
+ }
+
+ if s.jobs == nil {
+ s.jobs = make(map[JobID]StopChan)
+ }
+
+ id := job.GetID()
+ if _, ok := s.jobs[id]; ok {
+ return fmt.Errorf("job %s already scheduled", id)
+ }
+
+ stopChan := make(StopChan)
+ s.jobs[id] = stopChan
+
+ ticker := time.NewTicker(s.Interval)
+ go func() {
+ for {
+ select {
+ case <-ticker.C:
+ eventBus.Publish(QueueJob, job)
+ case <-stopChan:
+ ticker.Stop()
+ return
+ }
+ }
+ }()
+
+ return nil
+}
+
+func (s *IntervalScheduler) GetType() string {
+ return "Interval"
+}
+
+func (s *IntervalScheduler) Cancel(id JobID) error {
+ if s.jobs == nil {
+ return nil
+ }
+
+ if stopChan, ok := s.jobs[id]; ok {
+ stopChan <- true
+ delete(s.jobs, id)
+ }
+
+ return nil
+}
+
+func (s *IntervalScheduler) CancelAll() error {
+ if s.jobs == nil {
+ return nil
+ }
+
+ for _, stopChan := range s.jobs {
+ stopChan <- true
+ }
+
+ s.jobs = nil
+ return nil
+}
+
+func (s *IntervalScheduler) JobExists(id JobID) bool {
+ if s.jobs == nil {
+ return false
+ }
+
+ _, ok := s.jobs[id]
+ return ok
+}
+
+// CronScheduler is a scheduler that uses the cron library to schedule jobs
+type CronScheduler struct {
+ cron *cron.Cron
+ Spec string
+ jobs map[JobID]cron.EntryID
+}
+
+func (s *CronScheduler) Schedule(job GenericJob, eventBus *EventBus) error {
+ var err error
+
+ if s.cron == nil {
+ return ErrCronNotInitialized
+ }
+
+ if s.jobs == nil {
+ s.jobs = make(map[JobID]cron.EntryID)
+ }
+
+ id := job.GetID()
+ if _, ok := s.jobs[id]; ok {
+ return fmt.Errorf("job %s already scheduled", id)
+ }
+
+ entryId, err := s.cron.AddFunc(s.Spec, func() {
+ eventBus.Publish(QueueJob, job)
+ })
+
+ s.jobs[id] = entryId
+
+ if err != nil {
+ return err
+ }
+
+ s.cron.Start()
+ return nil
+}
+
+func (s *CronScheduler) GetType() string {
+ return "Cron"
+}
+
+func (s *CronScheduler) Cancel(id JobID) error {
+
+ if s.jobs == nil {
+ return nil
+ }
+
+ if entryId, ok := s.jobs[id]; ok {
+ s.cron.Remove(entryId)
+ }
+
+ return nil
+}
+
+func (s *CronScheduler) CancelAll() error {
+ if s.jobs == nil {
+ return nil
+ }
+
+ for _, entryId := range s.jobs {
+ s.cron.Remove(entryId)
+ }
+
+ s.jobs = nil
+ return nil
+}
+
+func (s *CronScheduler) JobExists(id JobID) bool {
+ if s.jobs == nil {
+ return false
+ }
+
+ _, ok := s.jobs[id]
+ return ok
+}
+
+// DelayScheduler is a scheduler that schedules a job after a delay
+type DelayScheduler struct {
+ Delay time.Duration
+ jobs map[JobID]StopChan
+}
+
+func (s *DelayScheduler) Schedule(job GenericJob, eventBus *EventBus) error {
+ timer := time.NewTimer(s.Delay)
+
+ if s.jobs == nil {
+ s.jobs = make(map[JobID]StopChan)
+ }
+
+ id := job.GetID()
+ if _, ok := s.jobs[id]; ok {
+ return fmt.Errorf("job %s already scheduled", id)
+ }
+
+ stopChan := make(StopChan)
+ s.jobs[id] = stopChan
+
+ go func() {
+ select {
+ case <-timer.C:
+ eventBus.Publish(QueueJob, job)
+ case <-stopChan:
+ timer.Stop()
+ }
+ }()
+ return nil
+}
+
+func (s *DelayScheduler) GetType() string {
+ return "Delay"
+}
+
+func (s *DelayScheduler) Cancel(id JobID) error {
+ if s.jobs == nil {
+ return nil
+ }
+
+ if stopChan, ok := s.jobs[id]; ok {
+ stopChan <- true
+ delete(s.jobs, id)
+ }
+
+ return nil
+}
+
+func (s *DelayScheduler) CancelAll() error {
+ if s.jobs == nil {
+ return nil
+ }
+
+ for _, stopChan := range s.jobs {
+ stopChan <- true
+ }
+
+ s.jobs = nil
+ return nil
+}
+
+func (s *DelayScheduler) JobExists(id JobID) bool {
+ if s.jobs == nil {
+ return false
+ }
+
+ _, ok := s.jobs[id]
+ return ok
+}
+
+// EventScheduler is a scheduler that schedules a job when an event is received
+type EventScheduler struct {
+ Event EventName
+ jobs map[JobID]StopChan
+}
+
+func (s *EventScheduler) Schedule(job GenericJob, eventBus *EventBus) error {
+ ch := make(chan interface{})
+ eventBus.Subscribe(s.Event, ch)
+
+ if s.jobs == nil {
+ s.jobs = make(map[JobID]StopChan)
+ }
+
+ id := job.GetID()
+ if _, ok := s.jobs[id]; ok {
+ return fmt.Errorf("job %s already scheduled", id)
+ }
+
+ stopChan := make(StopChan)
+ s.jobs[id] = stopChan
+
+ go func() {
+ for {
+ select {
+ case <-ch:
+ eventBus.Publish(QueueJob, job)
+ case <-stopChan:
+ eventBus.Unsubscribe(s.Event, ch)
+ return
+ }
+ }
+ }()
+ return nil
+}
+
+func (s *EventScheduler) GetType() string {
+ return "Event"
+}
+
+func (s *EventScheduler) Cancel(id JobID) error {
+ if s.jobs == nil {
+ return nil
+ }
+
+ if stopChan, ok := s.jobs[id]; ok {
+ stopChan <- true
+ delete(s.jobs, id)
+ }
+
+ return nil
+
+}
+
+func (s *EventScheduler) CancelAll() error {
+ if s.jobs == nil {
+ return nil
+ }
+
+ for _, stopChan := range s.jobs {
+ stopChan <- true
+ }
+
+ s.jobs = nil
+ return nil
+}
+
+func (s *EventScheduler) JobExists(id JobID) bool {
+ if s.jobs == nil {
+ return false
+ }
+
+ _, ok := s.jobs[id]
+ return ok
+}
+
+// InstantScheduler is a scheduler that schedules a job instantly
+type InstantScheduler struct{}
+
+func (s *InstantScheduler) Schedule(job GenericJob, eventBus *EventBus) error {
+ eventBus.Publish(QueueJob, job)
+ return nil
+}
+
+func (s *InstantScheduler) GetType() string {
+ return "Instant"
+}
+
+func (s *InstantScheduler) Cancel(id JobID) error {
+ return nil
+}
+
+func (s *InstantScheduler) CancelAll() error {
+ return nil
+}
+
+func (s *InstantScheduler) JobExists(id JobID) bool {
+ return false
+}
diff --git a/scheduler_test.go b/scheduler_test.go
new file mode 100644
index 0000000..9b6da3f
--- /dev/null
+++ b/scheduler_test.go
@@ -0,0 +1,257 @@
+package jobqueue
+
+import (
+ "github.com/robfig/cron/v3"
+ "github.com/stretchr/testify/assert"
+ "sync/atomic"
+ "testing"
+ "time"
+)
+
+func TestIntervalScheduler_BasicFunctionality(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+ scheduler := IntervalScheduler{Interval: time.Millisecond * 100}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ _ = scheduler.Schedule(genericJob, eventBus)
+
+ jobChannel := make(chan interface{})
+
+ go func() {
+ for _ = range jobChannel {
+ atomic.AddInt32(&count, 1)
+ }
+ }()
+
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ time.Sleep(time.Millisecond * 500)
+ if atomic.LoadInt32(&count) < 4 {
+ t.Errorf("Expected to run at least 4 times, ran %d times", count)
+ }
+}
+
+func TestIntervalScheduler_StopTicker(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+ scheduler := IntervalScheduler{Interval: time.Millisecond * 100}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ err := scheduler.Schedule(genericJob, eventBus)
+ assert.Nil(t, err)
+
+ jobChannel := make(chan interface{})
+
+ go func() {
+ for _ = range jobChannel {
+ atomic.AddInt32(&count, 1)
+ }
+ }()
+
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ time.Sleep(time.Millisecond * 150)
+ scheduler.Cancel(job.GetID())
+ time.Sleep(time.Millisecond * 100)
+
+ if atomic.LoadInt32(&count) != 1 {
+ t.Errorf("Expected to run 1 time, ran %d times", count)
+ }
+}
+
+func TestIntervalScheduler_InvalidInterval(t *testing.T) {
+ eventBus := NewEventBus()
+ scheduler := IntervalScheduler{Interval: time.Millisecond * 0}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ err := scheduler.Schedule(genericJob, eventBus)
+ if err == nil {
+ t.Errorf("Expected an error due to invalid interval")
+ }
+}
+
+func TestCronScheduler_BasicFunctionality(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ cronScheduler := CronScheduler{cron: cron.New(cron.WithSeconds()), Spec: "*/1 * * * * *"}
+ _ = cronScheduler.Schedule(genericJob, eventBus)
+
+ jobChannel := make(chan interface{})
+
+ go func() {
+ for _ = range jobChannel {
+ atomic.AddInt32(&count, 1)
+ }
+ }()
+
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ time.Sleep(time.Second * 3)
+ if atomic.LoadInt32(&count) < 2 {
+ t.Errorf("Expected to run at least 2 times, ran %d times", count)
+ }
+}
+
+func TestCronScheduler_StopScheduler(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+
+ c := cron.New(cron.WithSeconds())
+
+ cronScheduler := CronScheduler{cron: c, Spec: "*/1 * * * * *"}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ _ = cronScheduler.Schedule(genericJob, eventBus)
+
+ jobChannel := make(chan interface{})
+
+ go func() {
+ for _ = range jobChannel {
+
+ atomic.AddInt32(&count, 1)
+
+ }
+ }()
+
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ time.Sleep(time.Second * 2)
+ cronScheduler.Cancel(job.GetID())
+ time.Sleep(time.Second)
+
+ if atomic.LoadInt32(&count) < 1 {
+ t.Errorf("Expected to run at least 1 time, ran %d times", count)
+ }
+}
+
+func TestDelayScheduler_BasicFunctionality(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+ delayScheduler := DelayScheduler{Delay: time.Millisecond * 100}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ _ = delayScheduler.Schedule(genericJob, eventBus)
+
+ jobChannel := make(chan interface{})
+
+ go func() {
+ for _ = range jobChannel {
+
+ atomic.AddInt32(&count, 1)
+
+ }
+ }()
+
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ time.Sleep(time.Millisecond * 200)
+
+ if atomic.LoadInt32(&count) != 1 {
+ t.Errorf("Expected to run 1 time, ran %d times", count)
+ }
+}
+
+func TestDelayScheduler_StopBeforeExecute(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+ delayScheduler := DelayScheduler{Delay: time.Millisecond * 100}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ _ = delayScheduler.Schedule(genericJob, eventBus)
+
+ jobChannel := make(chan interface{})
+
+ go func() {
+ for _ = range jobChannel {
+
+ atomic.AddInt32(&count, 1)
+
+ }
+ }()
+
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ time.Sleep(time.Millisecond * 50)
+ delayScheduler.Cancel(job.GetID())
+ time.Sleep(time.Millisecond * 100)
+
+ if atomic.LoadInt32(&count) != 0 {
+ t.Errorf("Expected to not run, ran %d times", count)
+ }
+}
+
+func TestInstantScheduler_BasicFunctionality(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+ instantScheduler := InstantScheduler{}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ jobChannel := make(chan interface{})
+
+ go func() {
+ for _ = range jobChannel {
+ atomic.AddInt32(&count, 1)
+ }
+ }()
+
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ time.Sleep(time.Millisecond * 100)
+
+ genericJob := GenericJob(job)
+ _ = instantScheduler.Schedule(genericJob, eventBus)
+
+ time.Sleep(time.Millisecond * 100)
+
+ if atomic.LoadInt32(&count) != 1 {
+ t.Errorf("Expected to run 1 time, ran %d times", count)
+ }
+
+}
+
+func TestEventScheduler_BasicFunctionality(t *testing.T) {
+ var count int32
+ eventBus := NewEventBus()
+ eventScheduler := EventScheduler{Event: "trigger-event"}
+
+ job := NewJob[DummyResult]("test-job", &DummyRunnable{})
+
+ genericJob := GenericJob(job)
+ _ = eventScheduler.Schedule(genericJob, eventBus)
+
+ jobChannel := make(chan interface{})
+ eventBus.Subscribe(QueueJob, jobChannel)
+
+ go func() {
+ for _ = range jobChannel {
+ atomic.AddInt32(&count, 1)
+ }
+ }()
+
+ // Trigger the event
+ eventBus.Publish("trigger-event", Event{Data: nil, Name: "trigger-event"})
+
+ time.Sleep(time.Millisecond * 50) // Allow some time for the event to propagate
+
+ if atomic.LoadInt32(&count) != 1 {
+ t.Errorf("Expected to run 1 time, ran %d times", count)
+ }
+}
diff --git a/topological-sort.go b/topological-sort.go
index 6961b7f..748b580 100644
--- a/topological-sort.go
+++ b/topological-sort.go
@@ -2,36 +2,36 @@ package jobqueue
import "container/heap"
-// JobIDPriority is a type that holds a JobID and its Priority
-type JobIDPriority struct {
- ID JobIDType
- Priority int
+// idPriority is a type that holds a JobID and a Priority
+type idPriority struct {
+ id JobID
+ priority Priority
}
-// JobIDPriorityQueue is a priority jobs for JobIDPriority
-type JobIDPriorityQueue []JobIDPriority
+// idPriorityQueue is a type that holds a slice of idPriority
+type idPriorityQueue []idPriority
// Len implements heap.Interface.Len
-func (pq JobIDPriorityQueue) Len() int { return len(pq) }
+func (pq *idPriorityQueue) Len() int { return len(*pq) }
// Less implements heap.Interface.Less
-func (pq JobIDPriorityQueue) Less(i, j int) bool {
- return pq[i].Priority > pq[j].Priority
+func (pq *idPriorityQueue) Less(i, j int) bool {
+ return (*pq)[i].priority > (*pq)[j].priority
}
// Swap implements heap.Interface.Swap
-func (pq JobIDPriorityQueue) Swap(i, j int) {
- pq[i], pq[j] = pq[j], pq[i]
+func (pq *idPriorityQueue) Swap(i, j int) {
+ (*pq)[i], (*pq)[j] = (*pq)[j], (*pq)[i]
}
// Push implements heap.Interface.Push
-func (pq *JobIDPriorityQueue) Push(x interface{}) {
- item := x.(JobIDPriority)
+func (pq *idPriorityQueue) Push(x interface{}) {
+ item := x.(idPriority)
*pq = append(*pq, item)
}
// Pop implements heap.Interface.Pop
-func (pq *JobIDPriorityQueue) Pop() interface{} {
+func (pq *idPriorityQueue) Pop() interface{} {
old := *pq
n := len(old)
item := old[n-1]
@@ -39,55 +39,55 @@ func (pq *JobIDPriorityQueue) Pop() interface{} {
return item
}
-// topologicalSortJobs returns a topologically sorted list of job IDs
-func topologicalSortJobs(jobs map[JobIDType]*job) ([]JobIDType, error) {
- // Initialize in-degrees
- inDegrees := make(map[JobIDType]int)
- for id := range jobs {
- inDegrees[id] = 0
+// topologicalSortJobs returns a slice of JobIDs in the order they should be executed
+// if there is a cycle, it returns ErrCycleDetected
+// if there is a missing dependency, it returns ErrMissingDependency
+func topologicalSortJobs(jobs []GenericJob) ([]JobID, error) {
+ inDegrees := make(map[JobID]int)
+ jobMap := make(map[JobID]GenericJob)
+ dependents := make(map[JobID][]JobID)
+
+ for _, job := range jobs {
+ jobID := job.GetID()
+ inDegrees[jobID] = 0
+ jobMap[jobID] = job
}
for _, job := range jobs {
- for _, dependency := range job.Dependencies {
- // check if dependency exists
- if _, ok := jobs[dependency]; !ok {
+ jobID := job.GetID()
+ for _, depID := range job.GetDependencies() {
+ if _, ok := jobMap[depID]; !ok {
return nil, ErrMissingDependency
}
-
- inDegrees[dependency]++
+ inDegrees[jobID]++
+ dependents[depID] = append(dependents[depID], jobID)
}
}
- // Create a priority jobs
- pq := make(JobIDPriorityQueue, 0)
+ pq := make(idPriorityQueue, 0)
heap.Init(&pq)
- // Add jobs with zero in-degree to priority jobs
for id, inDegree := range inDegrees {
if inDegree == 0 {
- heap.Push(&pq, JobIDPriority{ID: id, Priority: jobs[id].Priority})
+ heap.Push(&pq, idPriority{id: id, priority: jobMap[id].GetPriority()})
}
}
- result := make([]JobIDType, 0)
+ result := make([]JobID, 0)
for len(pq) > 0 {
-
- jobIDPriority := heap.Pop(&pq).(JobIDPriority)
- jobID := jobIDPriority.ID
-
+ idPrio := heap.Pop(&pq).(idPriority)
+ jobID := idPrio.id
result = append(result, jobID)
- for _, dependentJobID := range jobs[jobID].Dependencies {
- inDegrees[dependentJobID]--
- if inDegrees[dependentJobID] == 0 {
- heap.Push(&pq, JobIDPriority{ID: dependentJobID, Priority: jobs[dependentJobID].Priority})
+ for _, dependent := range dependents[jobID] {
+ inDegrees[dependent]--
+ if inDegrees[dependent] == 0 {
+ heap.Push(&pq, idPriority{id: dependent, priority: jobMap[dependent].GetPriority()})
}
}
-
}
- // Check for cycles
for _, inDegree := range inDegrees {
if inDegree > 0 {
return nil, ErrCycleDetected
diff --git a/topological-sort_test.go b/topological-sort_test.go
index 565ce52..430d515 100644
--- a/topological-sort_test.go
+++ b/topological-sort_test.go
@@ -8,19 +8,18 @@ import (
func TestTopologicalSortJobs(t *testing.T) {
// Create a sample set of jobs with dependencies and priorities
- job1 := &job{JobSpecification: JobSpecification{Id: "1", Priority: PriorityHigh}}
+ job1 := &Job[string]{id: "1", priority: PriorityDefault}
+ job2 := &Job[string]{id: "2", priority: PriorityHigh, dependencies: []JobID{"1"}}
+ job3 := &Job[string]{id: "3", priority: PriorityLow, dependencies: []JobID{"1"}}
+ job4 := &Job[string]{id: "4", priority: PriorityCritical, dependencies: []JobID{"3"}}
+ job5 := &Job[string]{id: "5", dependencies: []JobID{"2", "4"}}
- job2 := &job{JobSpecification: JobSpecification{Id: "2", Priority: PriorityHigh, Dependencies: []JobIDType{"1"}}}
- job3 := &job{JobSpecification: JobSpecification{Id: "3", Priority: PriorityLow, Dependencies: []JobIDType{"1"}}}
- job4 := &job{JobSpecification: JobSpecification{Id: "4", Priority: PriorityCritical, Dependencies: []JobIDType{"3"}}}
- job5 := &job{JobSpecification: JobSpecification{Id: "5", Dependencies: []JobIDType{"2", "4"}}}
-
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
- "3": job3,
- "4": job4,
- "5": job5,
+ jobs := []GenericJob{
+ job1,
+ job2,
+ job3,
+ job4,
+ job5,
}
// Call the function to get the sorted job IDs
@@ -30,7 +29,7 @@ func TestTopologicalSortJobs(t *testing.T) {
}
// Define the expected order
- expectedOrder := []JobIDType{"5", "4", "2", "3", "1"}
+ expectedOrder := []JobID{"1", "2", "3", "4", "5"}
// Check if the result matches the expected order
if !reflect.DeepEqual(sortedJobIDs, expectedOrder) {
@@ -41,19 +40,18 @@ func TestTopologicalSortJobs(t *testing.T) {
func TestTopologicalSortJobs2(t *testing.T) {
// Create a sample set of jobs with dependencies and priorities
- job1 := &job{JobSpecification: JobSpecification{Id: "1", Priority: PriorityHigh}}
-
- job2 := &job{JobSpecification: JobSpecification{Id: "2", Priority: PriorityHigh, Dependencies: []JobIDType{"1"}}}
- job3 := &job{JobSpecification: JobSpecification{Id: "3", Priority: PriorityLow, Dependencies: []JobIDType{"1"}}}
- job4 := &job{JobSpecification: JobSpecification{Id: "4", Priority: PriorityCritical, Dependencies: []JobIDType{"3"}}}
- job5 := &job{JobSpecification: JobSpecification{Id: "5", Dependencies: []JobIDType{"2", "4"}}}
+ job1 := &Job[string]{id: "1", priority: PriorityHigh}
+ job2 := &Job[string]{id: "2", priority: PriorityHigh, dependencies: []JobID{"1"}}
+ job3 := &Job[string]{id: "3", priority: PriorityLow, dependencies: []JobID{"1"}}
+ job4 := &Job[string]{id: "4", priority: PriorityCritical, dependencies: []JobID{"3"}}
+ job5 := &Job[string]{id: "5", dependencies: []JobID{"2", "4"}}
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
- "3": job3,
- "4": job4,
- "5": job5,
+ jobs := []GenericJob{
+ job1,
+ job2,
+ job3,
+ job4,
+ job5,
}
// Call the function to get the sorted job IDs
@@ -63,7 +61,7 @@ func TestTopologicalSortJobs2(t *testing.T) {
}
// Define the expected order
- expectedOrder := []JobIDType{"5", "4", "2", "3", "1"}
+ expectedOrder := []JobID{"1", "2", "3", "4", "5"}
// Check if the result matches the expected order
if !reflect.DeepEqual(sortedJobIDs, expectedOrder) {
@@ -71,16 +69,16 @@ func TestTopologicalSortJobs2(t *testing.T) {
}
}
-func TestTopologicalSortJobsNoDependencies(t *testing.T) {
+func TestTopologicalSortJobsNodePendencies(t *testing.T) {
// Create a sample set of jobs with no dependencies
- job1 := &job{JobSpecification: JobSpecification{Id: "1"}}
- job2 := &job{JobSpecification: JobSpecification{Id: "2"}}
- job3 := &job{JobSpecification: JobSpecification{Id: "3"}}
+ job1 := &Job[string]{id: "1"}
+ job2 := &Job[string]{id: "2"}
+ job3 := &Job[string]{id: "3"}
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
- "3": job3,
+ jobs := []GenericJob{
+ job1,
+ job2,
+ job3,
}
// Call the function to get the sorted job IDs
@@ -90,7 +88,7 @@ func TestTopologicalSortJobsNoDependencies(t *testing.T) {
}
// Define the expected order (in any order because they have no dependencies)
- expectedOrder := []JobIDType{"1", "2", "3"}
+ expectedOrder := []JobID{"3", "2", "1"}
// Check if the result contains the same elements as the expected order
if len(sortedJobIDs) != len(expectedOrder) {
@@ -99,7 +97,7 @@ func TestTopologicalSortJobsNoDependencies(t *testing.T) {
}
func TestTopologicalSortJobs_EmptyMap(t *testing.T) {
- jobs := map[JobIDType]*job{}
+ jobs := []GenericJob{}
sortedJobIDs, err := topologicalSortJobs(jobs)
if err != nil {
t.Errorf("Error in sorting jobs: %v", err)
@@ -111,14 +109,14 @@ func TestTopologicalSortJobs_EmptyMap(t *testing.T) {
func TestTopologicalSortJobs_CycleDetected(t *testing.T) {
// Creating a cycle 1 -> 2 -> 3 -> 1
- job1 := &job{JobSpecification: JobSpecification{Id: "1", Dependencies: []JobIDType{"3"}}}
- job2 := &job{JobSpecification: JobSpecification{Id: "2", Dependencies: []JobIDType{"1"}}}
- job3 := &job{JobSpecification: JobSpecification{Id: "3", Dependencies: []JobIDType{"2"}}}
+ job1 := &Job[string]{id: "1", dependencies: []JobID{"3"}}
+ job2 := &Job[string]{id: "2", dependencies: []JobID{"1"}}
+ job3 := &Job[string]{id: "3", dependencies: []JobID{"2"}}
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
- "3": job3,
+ jobs := []GenericJob{
+ job1,
+ job2,
+ job3,
}
_, err := topologicalSortJobs(jobs)
@@ -128,28 +126,28 @@ func TestTopologicalSortJobs_CycleDetected(t *testing.T) {
}
func TestTopologicalSortJobs_SingleNode(t *testing.T) {
- job1 := &job{JobSpecification: JobSpecification{Id: "1"}}
+ job1 := &Job[string]{id: "1"}
- jobs := map[JobIDType]*job{
- "1": job1,
+ jobs := []GenericJob{
+ job1,
}
sortedJobIDs, err := topologicalSortJobs(jobs)
if err != nil {
t.Errorf("Error in sorting jobs: %v", err)
}
- if !reflect.DeepEqual(sortedJobIDs, []JobIDType{"1"}) {
+ if !reflect.DeepEqual(sortedJobIDs, []JobID{"1"}) {
t.Errorf("Expected [\"1\"], got %v", sortedJobIDs)
}
}
func TestTopologicalSortJobs_MissingDependency(t *testing.T) {
- job1 := &job{JobSpecification: JobSpecification{Id: "1"}}
- job2 := &job{JobSpecification: JobSpecification{Id: "2", Dependencies: []JobIDType{"3"}}}
+ job1 := &Job[string]{id: "1"}
+ job2 := &Job[string]{id: "2", dependencies: []JobID{"3"}}
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
+ jobs := []GenericJob{
+ job1,
+ job2,
}
_, err := topologicalSortJobs(jobs)
@@ -160,10 +158,10 @@ func TestTopologicalSortJobs_MissingDependency(t *testing.T) {
func TestTopologicalSortJobs_SelfDependency(t *testing.T) {
// job 1 depends on itself
- job1 := &job{JobSpecification: JobSpecification{Id: "1", Dependencies: []JobIDType{"1"}}}
+ job1 := &Job[string]{id: "1", dependencies: []JobID{"1"}}
- jobs := map[JobIDType]*job{
- "1": job1,
+ jobs := []GenericJob{
+ job1,
}
_, err := topologicalSortJobs(jobs)
@@ -174,56 +172,56 @@ func TestTopologicalSortJobs_SelfDependency(t *testing.T) {
func TestTopologicalSortJobs_MultipleEdges(t *testing.T) {
// job 3 and job 4 both depend on job 2
- job1 := &job{JobSpecification: JobSpecification{Id: "1"}}
- job2 := &job{JobSpecification: JobSpecification{Id: "2", Dependencies: []JobIDType{"1"}}}
- job3 := &job{JobSpecification: JobSpecification{Id: "3", Dependencies: []JobIDType{"2"}}}
- job4 := &job{JobSpecification: JobSpecification{Id: "4", Dependencies: []JobIDType{"2"}}}
+ job1 := &Job[string]{id: "1"}
+ job2 := &Job[string]{id: "2", dependencies: []JobID{"1"}}
+ job3 := &Job[string]{id: "3", dependencies: []JobID{"2"}}
+ job4 := &Job[string]{id: "4", dependencies: []JobID{"2"}}
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
- "3": job3,
- "4": job4,
+ jobs := []GenericJob{
+ job1,
+ job2,
+ job3,
+ job4,
}
sortedJobIDs, err := topologicalSortJobs(jobs)
if err != nil {
t.Errorf("Error in sorting jobs: %v", err)
}
- if !reflect.DeepEqual(sortedJobIDs, []JobIDType{"4", "3", "2", "1"}) && !reflect.DeepEqual(sortedJobIDs, []JobIDType{"3", "4", "2", "1"}) {
+ if !reflect.DeepEqual(sortedJobIDs, []JobID{"1", "2", "3", "4"}) && !reflect.DeepEqual(sortedJobIDs, []JobID{"1", "2", "4", "3"}) {
t.Errorf("Unexpected order: %v", sortedJobIDs)
}
}
-func TestTopologicalSortJobs_MultipleDependencies(t *testing.T) {
+func TestTopologicalSortJobs_Multipledependencies(t *testing.T) {
// job 3 depends on both job 1 and job 2
- job1 := &job{JobSpecification: JobSpecification{Id: "1"}}
- job2 := &job{JobSpecification: JobSpecification{Id: "2"}}
- job3 := &job{JobSpecification: JobSpecification{Id: "3", Dependencies: []JobIDType{"1", "2"}}}
+ job1 := &Job[string]{id: "1"}
+ job2 := &Job[string]{id: "2"}
+ job3 := &Job[string]{id: "3", dependencies: []JobID{"1", "2"}}
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
- "3": job3,
+ jobs := []GenericJob{
+ job1,
+ job2,
+ job3,
}
sortedJobIDs, err := topologicalSortJobs(jobs)
if err != nil {
t.Errorf("Error in sorting jobs: %v", err)
}
- if !reflect.DeepEqual(sortedJobIDs, []JobIDType{"3", "2", "1"}) && !reflect.DeepEqual(sortedJobIDs, []JobIDType{"3", "1", "2"}) {
+ if !reflect.DeepEqual(sortedJobIDs, []JobID{"1", "2", "3"}) && !reflect.DeepEqual(sortedJobIDs, []JobID{"2", "1", "3"}) {
t.Errorf("Unexpected order: %v", sortedJobIDs)
}
}
func TestTopologicalSortJobs_PriorityIgnoredInCycle(t *testing.T) {
// Cycle exists even if one job has high priority
- job1 := &job{JobSpecification: JobSpecification{Id: "1", Priority: PriorityHigh, Dependencies: []JobIDType{"2"}}}
- job2 := &job{JobSpecification: JobSpecification{Id: "2", Dependencies: []JobIDType{"1"}}}
+ job1 := &Job[string]{id: "1", priority: PriorityHigh, dependencies: []JobID{"2"}}
+ job2 := &Job[string]{id: "2", dependencies: []JobID{"1"}}
- jobs := map[JobIDType]*job{
- "1": job1,
- "2": job2,
+ jobs := []GenericJob{
+ job1,
+ job2,
}
_, err := topologicalSortJobs(jobs)
@@ -231,3 +229,19 @@ func TestTopologicalSortJobs_PriorityIgnoredInCycle(t *testing.T) {
t.Errorf("Expected ErrCycleDetected, got %v", err)
}
}
+
+func TestTopologicalSortJobs_IsNotAvailable(t *testing.T) {
+ // Cycle exists even if one job has high priority
+ job1 := &Job[string]{id: "1", priority: PriorityHigh, dependencies: []JobID{"3"}}
+ job2 := &Job[string]{id: "2"}
+
+ jobs := []GenericJob{
+ job1,
+ job2,
+ }
+
+ _, err := topologicalSortJobs(jobs)
+ if err != ErrMissingDependency {
+ t.Errorf("Expected ErrMissingDependency, got %v", err)
+ }
+}
diff --git a/worker.go b/worker.go
new file mode 100644
index 0000000..9f38e8a
--- /dev/null
+++ b/worker.go
@@ -0,0 +1,179 @@
+package jobqueue
+
+import (
+ "context"
+ "sync"
+ "time"
+)
+
+type WorkerStatus int
+
+const (
+ WorkerStatusStopped = iota
+ WorkerStatusRunning
+)
+
+type WorkerID string
+
+// Worker is a worker
+type Worker interface {
+ Start() error
+ Stop() error
+ Status() WorkerStatus
+ AssignJob(job GenericJob) error
+
+ GetID() WorkerID
+}
+
+// GenericWorker is a generic worker
+type GenericWorker struct {
+ ID WorkerID
+ status WorkerStatus
+}
+
+// LocalWorker is a worker that runs jobs locally
+type LocalWorker struct {
+ GenericWorker
+ jobChannels []chan GenericJob
+ stopChans []chan bool
+ cancelChans []chan bool
+ maxJobs int
+ mu sync.Mutex
+ wg sync.WaitGroup
+}
+
+// GetID returns the ID of the worker
+func (w *GenericWorker) GetID() WorkerID {
+ return w.ID
+}
+
+// NewLocalWorker creates a new local worker
+func NewLocalWorker(maxJobs int) *LocalWorker {
+ w := &LocalWorker{maxJobs: maxJobs}
+ w.jobChannels = make([]chan GenericJob, maxJobs)
+ w.stopChans = make([]chan bool, maxJobs)
+ w.cancelChans = make([]chan bool, maxJobs)
+ return w
+}
+
+// Start starts the worker
+func (w *LocalWorker) Start() error {
+ w.mu.Lock()
+ defer w.mu.Unlock()
+
+ if w.status == WorkerStatusRunning {
+ return ErrWorkerAlreadyRunning
+ }
+
+ for i := 0; i < w.maxJobs; i++ {
+ w.wg.Add(1)
+ w.jobChannels[i] = make(chan GenericJob)
+ w.stopChans[i] = make(chan bool)
+ w.cancelChans[i] = make(chan bool)
+ go w.run(w.jobChannels[i], w.stopChans[i], w.cancelChans[i])
+ }
+
+ w.wg.Wait()
+ w.status = WorkerStatusRunning
+
+ return nil
+}
+
+// Stop stops the worker
+func (w *LocalWorker) Stop() error {
+ w.mu.Lock()
+ defer w.mu.Unlock()
+
+ if w.status == WorkerStatusStopped {
+ return ErrWorkerNotRunning
+ }
+
+ w.status = WorkerStatusStopped
+ for _, stopChan := range w.stopChans {
+ stopChan <- true
+ }
+
+ return nil
+}
+
+func (w *LocalWorker) run(jobChannel chan GenericJob, stopChan chan bool, cancelChan chan bool) {
+ w.wg.Done()
+
+ for {
+ select {
+ case job := <-jobChannel:
+ ctx, cancel := context.WithCancel(context.Background())
+ retries := job.GetMaxRetries()
+ retryDelay := job.GetRetryDelay()
+
+ if retries == 0 {
+ retries = 1
+ }
+
+ var err error
+ for retries > 0 {
+
+ timeout := job.GetTimeout()
+ if timeout == 0 {
+ timeout = 1 * time.Minute
+ }
+
+ ctxTimeout, cancelTimeout := context.WithTimeout(ctx, timeout)
+ _, err = job.Execute(ctxTimeout)
+ cancelTimeout()
+
+ if err == nil || ctx.Err() == context.Canceled {
+ break
+ }
+
+ if retryDelay > 0 {
+ time.Sleep(retryDelay)
+ }
+
+ retries--
+ }
+
+ select {
+ case <-cancelChan:
+ cancel()
+
+ case <-ctx.Done():
+ cancel()
+
+ default:
+ cancel()
+ }
+ case <-stopChan:
+ return
+ }
+ }
+}
+
+// AssignJob assigns a job to the worker
+func (w *LocalWorker) AssignJob(job GenericJob) error {
+ w.mu.Lock()
+ defer w.mu.Unlock()
+
+ if w.status != WorkerStatusRunning {
+ return ErrWorkerNotRunning
+ }
+
+ for _, ch := range w.jobChannels {
+
+ select {
+ case ch <- job:
+ return nil
+ default:
+ continue
+ }
+ }
+
+ return ErrMaxJobsReached
+}
+
+// Status returns the status of the worker
+func (w *LocalWorker) Status() WorkerStatus {
+ w.mu.Lock()
+ defer w.mu.Unlock()
+ return w.status
+}
diff --git a/worker_test.go b/worker_test.go
new file mode 100644
index 0000000..8ad221a
--- /dev/null
+++ b/worker_test.go
@@ -0,0 +1,204 @@
+package jobqueue
+
+import (
+ "context"
+ assert "github.com/stretchr/testify/require"
+ "testing"
+ "time"
+)
+
+type DummyJob struct {
+ id JobID
+}
+
+func (j DummyJob) GetID() JobID {
+ return j.id
+}
+
+func (j DummyJob) GetMaxRetries() uint {
+ return 0
+}
+
+func (j DummyJob) GetRetryDelay() time.Duration {
+ return 0
+}
+
+func (j DummyJob) GetTimeout() time.Duration {
+ return 0
+}
+
+func (j DummyJob) Execute(_ context.Context) (RunGenericResult, error) {
+ time.Sleep(100 * time.Millisecond)
+ return nil, nil
+}
+
+func (j DummyJob) Cancel() error {
+ return nil
+}
+
+func (j DummyJob) GetDependencies() []JobID {
+ return []JobID{}
+}
+
+func (j DummyJob) GetPriority() Priority {
+ return PriorityDefault
+}
+
+func TestAssignJob(t *testing.T) {
+ worker := NewLocalWorker(1)
+ err := worker.Start()
+ if err != nil {
+ t.Errorf("Start() returned error: %v", err)
+ }
+
+ job := DummyJob{id: JobID("1")}
+
+ // Test assigning a job
+ err = worker.AssignJob(job)
+ if err != nil {
+ t.Errorf("AssignJob() returned error: %v", err)
+ }
+
+ // Test maxJobs limit
+ job2 := DummyJob{id: JobID("2")}
+ err = worker.AssignJob(job2)
+ if err != ErrMaxJobsReached {
+ t.Errorf("AssignJob() should return ErrMaxJobsReached, got: %v", err)
+ }
+
+ err = worker.Stop()
+ if err != nil {
+ t.Errorf("Stop() returned error: %v", err)
+ }
+}
+
+func TestWorkerLifeCycle(t *testing.T) {
+ worker := NewLocalWorker(1)
+
+ // Test initial status
+ if worker.Status() != WorkerStatusStopped {
+ t.Errorf("Initial worker status should be WorkerStatusStopped")
+ }
+
+ // Test start
+ _ = worker.Start()
+ if worker.Status() != WorkerStatusRunning {
+ t.Errorf("Worker status should be WorkerStatusRunning after Start()")
+ }
+
+ // Test job assignment
+ job := DummyJob{id: JobID("1")}
+ err := worker.AssignJob(job)
+ if err != nil {
+ t.Errorf("AssignJob() returned error: %v", err)
+ }
+
+ // Test job cancellation
+ //worker.CancelJob(JobID("1"))
+
+ // Test stop
+ _ = worker.Stop()
+ if worker.Status() != WorkerStatusStopped {
+ t.Errorf("Worker status should be WorkerStatusStopped after Stop()")
+ }
+}
+
+func TestWorkerLifeCycle2(t *testing.T) {
+ worker := NewLocalWorker(2)
+ if worker.Status() != WorkerStatusStopped {
+ t.Errorf("Newly created worker should be in Stopped state")
+ }
+
+ // Start the worker
+ err := worker.Start()
+ assert.NoError(t, err)
+
+ if worker.Status() != WorkerStatusRunning {
+ t.Errorf("Worker should be in Running state after Start()")
+ }
+
+ // Assign jobs
+ job1 := DummyJob{id: "job1"}
+ err = worker.AssignJob(job1)
+ if err != nil {
+ t.Errorf("Failed to assign job1: %v", err)
+ }
+
+ job2 := DummyJob{id: "job2"}
+ err = worker.AssignJob(job2)
+ if err != nil {
+ t.Errorf("Failed to assign job2: %v", err)
+ }
+
+ // Check maxJobs limit
+ job3 := DummyJob{id: "job3"}
+ err = worker.AssignJob(job3)
+ if err != ErrMaxJobsReached {
+ t.Errorf("Expected ErrMaxJobsReached, got: %v", err)
+ }
+
+ // Stop the worker
+ err = worker.Stop()
+ assert.NoError(t, err)
+
+ if worker.Status() != WorkerStatusStopped {
+ t.Errorf("Worker should be in Stopped state after Stop()")
+ }
+
+ // Make sure we can't assign jobs when worker is stopped
+ err = worker.AssignJob(job1)
+ if err != ErrWorkerNotRunning {
+ t.Errorf("Expected ErrWorkerNotRunning, got: %v", err)
+ }
+
+ // Check if jobs are cancellable
+ err = worker.Start()
+ assert.NoError(t, err)
+
+ err = worker.AssignJob(job1)
+ if err != nil {
+ t.Errorf("Failed to assign job1: %v", err)
+ }
+ //worker.CancelJob("job1")
+
+ // Check if Stop() actually stops the jobs
+ err = worker.AssignJob(DummyJob{id: "longJob"})
+ assert.NoError(t, err)
+
+ err = worker.Stop()
+ assert.NoError(t, err)
+
+ if worker.Status() != WorkerStatusStopped {
+ t.Errorf("Worker should be in Stopped state after Stop()")
+ }
+
+ // Wait for some time to make sure jobs are actually stopped
+ time.Sleep(1 * time.Second)
+ if worker.Status() != WorkerStatusStopped {
+ t.Errorf("Worker should remain in Stopped state")
+ }
+}
+
+func TestCancelJob(t *testing.T) {
+ worker := NewLocalWorker(1)
+ err := worker.Start()
+ if err != nil {
+ t.Errorf("Start() returned error: %v", err)
+ }
+
+ job := DummyJob{id: JobID("1")}
+
+ // Zuweisung eines Jobs
+ err = worker.AssignJob(job)
+ if err != nil {
+ t.Errorf("AssignJob() returned error: %v", err)
+ }
+
+ // Test job cancellation
+ //worker.CancelJob(JobID("1"))
+
+ err = worker.Stop()
+ if err != nil {
+ t.Errorf("Stop() returned error: %v", err)
+ }
+}
--
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