feat(cloudcommon): set TaskNotifyUrl in GetTaskRequestHeader

To support cross-service task callbacks, you must set TaskNotifyUrl,
which is automatically added to TaskRequestHeader here

pkg/cloudcommon/db/taskman/tasks.go

@@ -19,6 +19,7 @@ import (
 	"database/sql"
 	"fmt"
 	"net/http"
+	"path/filepath"
 	"reflect"
 	"runtime/debug"
 	"strconv"
@@ -826,9 +827,19 @@ func (task *STask) GetTaskRequestHeader() http.Header {
 	}
 	header := mcclient.GetTokenHeaders(userCred)
 	header.Set(mcclient.TASK_ID, task.GetTaskId())
+	if len(serviceUrl) > 0 {
+		notifyUrl := filepath.Join(serviceUrl, "tasks", task.GetTaskId())
+		header.Set(mcclient.TASK_NOTIFY_URL, notifyUrl)
+	}
 	return header
 }
 
+var serviceUrl string
+
+func SetServiceUrl(url string) {
+	serviceUrl = url
+}
+
 func (task *STask) GetStartTime() time.Time {
 	return task.CreatedAt
 }