diff --git a/cmd/test-workflow/main.go b/cmd/test-workflow/main.go new file mode 100644 index 0000000..2ed0ae4 --- /dev/null +++ b/cmd/test-workflow/main.go @@ -0,0 +1,88 @@ +package main + +import ( + "context" + "flag" + "fmt" + "log" + "time" + + "go.temporal.io/sdk/client" + "github.com/Riotpiaole/homelab-frontend/internal/workflow" +) + +func main() { + hostPort := flag.String("host", "temporal.temporal:7233", "Temporal server host:port") + namespace := flag.String("namespace", "production", "Temporal namespace") + taskQueue := flag.String("queue", "worker-production", "Task queue") + workflowType := flag.String("workflow", "HelloWorldWorkflow", "Workflow type") + workflowID := flag.String("id", "", "Workflow ID (auto-generated if not set)") + flag.Parse() + + // Auto-generate ID + if *workflowID == "" { + *workflowID = fmt.Sprintf("test-%s-%d", *workflowType, time.Now().Unix()) + } + + log.Printf("Connecting to Temporal at %s (namespace: %s)", *hostPort, *namespace) + + // Connect to Temporal + c, err := client.Dial(client.Options{ + HostPort: *hostPort, + Namespace: *namespace, + }) + if err != nil { + log.Fatalf("Failed to connect: %v", err) + } + defer c.Close() + + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + + // Start workflow + log.Printf("Starting %s (ID: %s)", *workflowType, *workflowID) + + var run client.WorkflowRun + switch *workflowType { + case "HelloWorldWorkflow": + run, err = c.ExecuteWorkflow(ctx, client.StartWorkflowOptions{ + ID: *workflowID, + TaskQueue: *taskQueue, + }, workflow.HelloWorldWorkflow, "World") + + case "GreeterWorkflow": + run, err = c.ExecuteWorkflow(ctx, client.StartWorkflowOptions{ + ID: *workflowID, + TaskQueue: *taskQueue, + }, workflow.GreeterWorkflow, "Alice") + + case "ProcessOrderWorkflow": + run, err = c.ExecuteWorkflow(ctx, client.StartWorkflowOptions{ + ID: *workflowID, + TaskQueue: *taskQueue, + }, workflow.ProcessOrderWorkflow, "ORDER-12345") + + default: + log.Fatalf("Unknown workflow type: %s", *workflowType) + } + + if err != nil { + log.Fatalf("Failed to start workflow: %v", err) + } + + log.Printf("✓ Workflow submitted") + log.Printf(" Run ID: %s", run.GetRunID()) + log.Printf(" Workflow ID: %s", *workflowID) + log.Printf(" Watch at: http://localhost:8080/namespaces/%s/workflows/%s", *namespace, *workflowID) + + // Try to get result + ctx2, cancel2 := context.WithTimeout(context.Background(), 10*time.Second) + defer cancel2() + + var result string + if err := run.Get(ctx2, &result); err != nil { + log.Printf("⏳ Workflow executing (or error): %v", err) + } else { + log.Printf("✓ Result: %s", result) + } +} diff --git a/cmd/worker/main.go b/cmd/worker/main.go new file mode 100644 index 0000000..d246fe7 --- /dev/null +++ b/cmd/worker/main.go @@ -0,0 +1,63 @@ +package main + +import ( + "flag" + "log" + "os" + "os/signal" + "syscall" + + "go.temporal.io/sdk/client" + "go.temporal.io/sdk/worker" + "github.com/Riotpiaole/homelab-frontend/internal/workflow" +) + +func main() { + hostPort := flag.String("host", "temporal.temporal:7233", "Temporal server host:port") + namespace := flag.String("namespace", "production", "Temporal namespace") + taskQueue := flag.String("queue", "worker-production", "Task queue") + flag.Parse() + + // Connect to Temporal server + c, err := client.Dial(client.Options{ + HostPort: *hostPort, + Namespace: *namespace, + }) + if err != nil { + log.Fatalf("Failed to connect to Temporal: %v", err) + } + defer c.Close() + + log.Printf("Connected to Temporal at %s (namespace: %s)", *hostPort, *namespace) + + // Create worker + w := worker.New(c, *taskQueue, worker.Options{}) + + // Register workflows + w.RegisterWorkflow(workflow.HelloWorldWorkflow) + w.RegisterWorkflow(workflow.GreeterWorkflow) + w.RegisterWorkflow(workflow.ProcessOrderWorkflow) + + // Register activities + w.RegisterActivity(workflow.GreetActivity) + w.RegisterActivity(workflow.ValidateOrderActivity) + w.RegisterActivity(workflow.ProcessPaymentActivity) + w.RegisterActivity(workflow.NotifyCustomerActivity) + + log.Printf("Starting worker on task queue: %s", *taskQueue) + + // Handle graceful shutdown + sigChan := make(chan os.Signal, 1) + signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) + + go func() { + <-sigChan + log.Println("Shutting down worker...") + w.Stop() + }() + + // Run worker (blocks) + if err := w.Run(worker.InterruptCh()); err != nil { + log.Fatalf("Worker error: %v", err) + } +} diff --git a/go.mod b/go.mod index 365093b..9fcccbf 100644 --- a/go.mod +++ b/go.mod @@ -1,5 +1,34 @@ module github.com/Riotpiaole/homelab-frontend -go 1.25.0 +go 1.25.4 -require gopkg.in/yaml.v3 v3.0.1 // indirect +require ( + go.temporal.io/sdk v1.48.0 + gopkg.in/yaml.v3 v3.0.1 +) + +require ( + github.com/davecgh/go-spew v1.1.1 // indirect + github.com/facebookgo/clock v0.0.0-20150410010913-600d898af40a // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/mock v1.6.0 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2 // indirect + github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 // indirect + github.com/nexus-rpc/nexus-proto-annotations v0.1.0 // indirect + github.com/nexus-rpc/sdk-go v0.7.0 // indirect + github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/robfig/cron v1.2.0 // indirect + github.com/stretchr/objx v0.5.2 // indirect + github.com/stretchr/testify v1.10.0 // indirect + go.temporal.io/api v1.63.4 // indirect + golang.org/x/net v0.55.0 // indirect + golang.org/x/sync v0.20.0 // indirect + golang.org/x/sys v0.45.0 // indirect + golang.org/x/text v0.37.0 // indirect + golang.org/x/time v0.3.0 // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20260414002931-afd174a4e478 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20260414002931-afd174a4e478 // indirect + google.golang.org/grpc v1.82.1 // indirect + google.golang.org/protobuf v1.36.11 // indirect +) diff --git a/go.sum b/go.sum index 4bc0337..4248261 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,121 @@ +github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs= +github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +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/facebookgo/clock v0.0.0-20150410010913-600d898af40a h1:yDWHCSQ40h88yih2JAcL6Ls/kVkSE8GFACTGVnMPruw= +github.com/facebookgo/clock v0.0.0-20150410010913-600d898af40a/go.mod h1:7Ga40egUymuWXxAe151lTNnCv97MddSOVsjpPPkityA= +github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI= +github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= +github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= +github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q= +github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q= +github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc= +github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs= +github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= +github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= +github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8= +github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU= +github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= +github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= 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+import ( + "context" + "fmt" + "time" + + "go.temporal.io/sdk/workflow" +) + +// HelloWorldWorkflow is a simple hello world workflow +func HelloWorldWorkflow(ctx workflow.Context, name string) (string, error) { + opts := workflow.ActivityOptions{ + StartToCloseTimeout: time.Minute, + } + ctx = workflow.WithActivityOptions(ctx, opts) + + var result string + if err := workflow.ExecuteActivity(ctx, GreetActivity, name).Get(ctx, &result); err != nil { + return "", err + } + return result, nil +} + +// GreetActivity greets someone +func GreetActivity(ctx context.Context, name string) (string, error) { + return fmt.Sprintf("Hello, %s!", name), nil +} + +// ValidateOrderActivity validates an order +func ValidateOrderActivity(ctx context.Context, orderID string) (bool, error) { + // Simulate validation + if orderID == "" { + return false, nil + } + return true, nil +} + +// ProcessPaymentActivity processes payment +func ProcessPaymentActivity(ctx context.Context, orderID string) (string, error) { + // Simulate payment processing + return fmt.Sprintf("payment-%s", orderID[:min(len(orderID), 3)]), nil +} + +// NotifyCustomerActivity sends notification +func NotifyCustomerActivity(ctx context.Context, orderID string) (string, error) { + // Simulate notification + return fmt.Sprintf("notified for order %s", orderID), nil +} + +func min(a, b int) int { + if a < b { + return a + } + return b +} diff --git a/internal/workflow/worker.go b/internal/workflow/worker.go new file mode 100644 index 0000000..7e5a848 --- /dev/null +++ b/internal/workflow/worker.go @@ -0,0 +1,120 @@ +package workflow + +import ( + "log" + "os" + "os/signal" + "syscall" + "time" + + "go.temporal.io/sdk/client" + "go.temporal.io/sdk/worker" + "go.temporal.io/sdk/temporal" + "go.temporal.io/sdk/workflow" +) + +// WorkerConfig holds worker configuration +type WorkerConfig struct { + HostPort string + Namespace string + TaskQueue string +} + +// NewWorker creates and starts a Temporal worker +func NewWorker(cfg WorkerConfig) error { + // Connect to Temporal server + c, err := client.Dial(client.Options{ + HostPort: cfg.HostPort, + Namespace: cfg.Namespace, + }) + if err != nil { + return err + } + defer c.Close() + + log.Printf("Connected to Temporal at %s (namespace: %s)", cfg.HostPort, cfg.Namespace) + + // Create worker + w := worker.New(c, cfg.TaskQueue, worker.Options{}) + + // Register workflows + w.RegisterWorkflow(HelloWorldWorkflow) + w.RegisterWorkflow(GreeterWorkflow) + w.RegisterWorkflow(ProcessOrderWorkflow) + + // Register activities + w.RegisterActivity(GreetActivity) + w.RegisterActivity(ValidateOrderActivity) + w.RegisterActivity(ProcessPaymentActivity) + w.RegisterActivity(NotifyCustomerActivity) + + // Start worker (blocks until signal received) + log.Printf("Starting worker on task queue: %s", cfg.TaskQueue) + + sigChan := make(chan os.Signal, 1) + signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) + + go func() { + if err := w.Run(worker.InterruptCh()); err != nil { + log.Fatal(err) + } + }() + + // Wait for shutdown signal + <-sigChan + log.Println("Shutting down worker...") + w.Stop() + + return nil +} + +// ProcessOrderWorkflow demonstrates multi-step workflow with activities +func ProcessOrderWorkflow(ctx workflow.Context, orderID string) (string, error) { + opts := workflow.ActivityOptions{ + StartToCloseTimeout: 5 * time.Minute, + RetryPolicy: &temporal.RetryPolicy{ + InitialInterval: time.Second, + BackoffCoefficient: 2.0, + MaximumInterval: time.Minute, + MaximumAttempts: 3, + }, + } + ctx = workflow.WithActivityOptions(ctx, opts) + + // Step 1: Validate order + var validated bool + if err := workflow.ExecuteActivity(ctx, ValidateOrderActivity, orderID).Get(ctx, &validated); err != nil { + return "", err + } + if !validated { + return "", temporal.NewApplicationError("invalid order", "InvalidOrder") + } + + // Step 2: Process payment + var paymentID string + if err := workflow.ExecuteActivity(ctx, ProcessPaymentActivity, orderID).Get(ctx, &paymentID); err != nil { + return "", err + } + + // Step 3: Notify customer + var notifyResult string + if err := workflow.ExecuteActivity(ctx, NotifyCustomerActivity, orderID).Get(ctx, ¬ifyResult); err != nil { + return "", err + } + + return paymentID, nil +} + +// GreeterWorkflow is a multi-step workflow +func GreeterWorkflow(ctx workflow.Context, name string) (string, error) { + opts := workflow.ActivityOptions{ + StartToCloseTimeout: 5 * time.Minute, + } + ctx = workflow.WithActivityOptions(ctx, opts) + + var result string + if err := workflow.ExecuteActivity(ctx, GreetActivity, name).Get(ctx, &result); err != nil { + return "", err + } + return result, nil +}