99 lines
3.0 KiB
Go
99 lines
3.0 KiB
Go
// tasks 演示受理、重复提交、查询、分页与取消；此示例不启动业务 Worker。
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package main
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import (
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"context"
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"crypto/rand"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"os"
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"time"
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orbit "git.yuntuo.hk/k2safe/orbit/sdk/go"
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)
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func main() {
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if err := run(); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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func run() error {
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token, queue := os.Getenv("ORBIT_TOKEN"), os.Getenv("ORBIT_QUEUE_ID")
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if path := os.Getenv("ORBIT_CREDENTIALS_FILE"); path != "" {
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raw, err := os.ReadFile(path)
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if err != nil {
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return fmt.Errorf("read private credentials: %w", err)
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}
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var credentials struct {
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Token string `json:"token"`
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QueueID string `json:"queue_id"`
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}
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if err := json.Unmarshal(raw, &credentials); err != nil {
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return fmt.Errorf("invalid credentials file")
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}
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if token == "" {
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token = credentials.Token
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}
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if queue == "" {
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queue = credentials.QueueID
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}
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}
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client, err := orbit.NewClient(os.Getenv("ORBIT_URL"), orbit.Options{Token: token})
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if err != nil {
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return err
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}
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if queue == "" {
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return fmt.Errorf("ORBIT_QUEUE_ID is required")
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}
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ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
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defer cancel()
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var operation [16]byte
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if _, err := rand.Read(operation[:]); err != nil {
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return err
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}
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key := "example-" + hex.EncodeToString(operation[:])
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// 生产接入应先在业务库保存稳定键；本示例的两次请求共用同一个键。
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in := orbit.SubmitTaskRequest{QueueID: queue, Handler: "file.convert", HandlerVersion: "v1", PayloadVersion: "v1", Payload: json.RawMessage(`{"source_ref":"example/input.txt","format":"pdf","sequence":9007199254740993}`)}
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first, err := client.SubmitTask(ctx, key, in)
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if err != nil {
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return err
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}
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again, err := client.SubmitTask(ctx, key, in)
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if err != nil {
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return err
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}
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if first.Task.ID != again.Task.ID || !again.Deduplicated {
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return fmt.Errorf("duplicate submission did not return the original task")
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}
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current, err := client.GetTask(ctx, first.Task.ID)
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if err != nil {
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return err
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}
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page, err := client.ListTasks(ctx, orbit.ListTasksRequest{QueueID: queue, Limit: 10})
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if err != nil {
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return err
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}
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cancelled, err := client.CancelTask(ctx, current.ID, key+"-cancel", orbit.CancelTaskRequest{Reason: "finish task acceptance example", ExpectedRevision: current.Revision})
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if err != nil {
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return err
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}
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// 仅历史兼容性 smoke 使用 ORBIT_SKIP_SOURCE；正常示例验证当前来源接口。
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if os.Getenv("ORBIT_SKIP_SOURCE") == "" {
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origin, err := client.GetTaskSource(ctx, current.ID)
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if err != nil {
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return err
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}
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if origin.Kind != "DIRECT" {
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return fmt.Errorf("expected direct task source")
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}
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fmt.Printf("source_kind=%s\n", origin.Kind)
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}
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fmt.Printf("task=%s duplicate=%t listed=%d final_state=%s revision=%d\n", current.ID, again.Deduplicated, len(page.Items), cancelled.Task.State, cancelled.Task.Revision)
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if cancelled.Task.State != orbit.TaskCancelled {
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return fmt.Errorf("expected CANCELLED")
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}
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return nil
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}
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