fix: 保持后端 assignment 可重试

internal/assignmentqueue/jetstream.go

@@ -167,7 +167,7 @@ func OpenConsumer(ctx context.Context, manager consumerManager, stream, subjectB
 		AckPolicy:     jetstream.AckExplicitPolicy,
 		AckWait:       5 * time.Minute,
 		MaxAckPending: capacity,
-		MaxDeliver:    20,
+		MaxDeliver:    1000,
 	})
 	if err != nil {
 		return nil, fmt.Errorf("open %s assignment consumer: %w", backend, err)

internal/assignmentqueue/jetstream_test.go

@@ -205,7 +205,7 @@ func TestOpenConsumerUsesIndependentDurablePerBackend(t *testing.T) {
 	if _, err := OpenConsumer(context.Background(), manager, "CI_RUNNER", "ci.assignment", taskassignment.BackendPod, 4); err != nil {
 		t.Fatal(err)
 	}
-	if manager.config.Durable != "pod" || manager.config.FilterSubject != "ci.assignment.pod" || manager.config.AckPolicy != jetstream.AckExplicitPolicy || manager.config.MaxAckPending != 4 {
+	if manager.config.Durable != "pod" || manager.config.FilterSubject != "ci.assignment.pod" || manager.config.AckPolicy != jetstream.AckExplicitPolicy || manager.config.MaxAckPending != 4 || manager.config.MaxDeliver != 1000 {
 		t.Fatalf("config = %#v", manager.config)
 	}
 }

internal/opensandboxbackend/backend_test.go

@@ -90,7 +90,7 @@ func TestCreateUsesPoolAndPersistsRecoveryMetadata(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if lifecycle.created.Extensions["poolRef"] != "ci-vm" || lifecycle.created.Metadata[assignmentMetadata] != assignment().ID || lifecycle.created.Env["CI_SPIFFE_ID"] != assignment().Identity.SPIFFEID || executor.Name != "sandbox-42" {
+	if lifecycle.created.Extensions["poolRef"] != "ci-vm" || lifecycle.created.Metadata[assignmentMetadata] != assignment().ID || lifecycle.created.Metadata["ci.ddupan.top/runner"] != "true" || lifecycle.created.Env["CI_SPIFFE_ID"] != assignment().Identity.SPIFFEID || executor.Name != "sandbox-42" {
 		t.Fatalf("request=%#v executor=%#v", lifecycle.created, executor)
 	}
 	if lifecycle.created.Env["CI_RUNNER_CAPABILITY"] != "capability" {

internal/taskworker/worker.go

@@ -178,6 +178,7 @@ func (w Worker) launchSpec(assignment taskassignment.Assignment) (LaunchSpec, er
 func BackendMetadata(assignment taskassignment.Assignment) Metadata {
 	return Metadata{
 		Labels: map[string]string{
+			"ci.ddupan.top/runner":        "true",
 			"ci.ddupan.top/assignment-id": assignment.ID,
 			"ci.ddupan.top/task-id":       strconv.FormatInt(assignment.Task.GetId(), 10),
 			"ci.ddupan.top/backend":       string(assignment.Backend),