respect ignore_errors when extracting error messages from event data

internal/ansible/ansible.go

@@ -430,13 +430,17 @@ func extractFailureReason(ctx context.Context, eventsDir string) (string, error)
 			if err != nil {
 				return "", err
 			}
-			msgs = append(msgs, m)
+			if m != "" {
+				msgs = append(msgs, m)
+			}
 		case eventTypeRunnerUnreachable:
 			m, err := runnerEventMessage(evt, "Unreachable")
 			if err != nil {
 				return "", err
 			}
-			msgs = append(msgs, m)
+			if m != "" {
+				msgs = append(msgs, m)
+			}
 		default:
 		}
 	}
@@ -483,6 +487,9 @@ func runnerEventMessage(evt jobEvent, reason string) (string, error) {
 	if err := reunmarshal(evt.EventData, &evtData); err != nil {
 		return "", fmt.Errorf("unmarshaling job event %s as runner event: %w", evt.UUID, err)
 	}
+	if evtData.IgnoreErrors {
+		return "", nil
+	}
 
 	return fmt.Sprintf("%s on play %q, task %q, host %q: %s",
 		reason,

internal/ansible/ansible_test.go

@@ -264,6 +264,20 @@ func TestExtractFailureReason(t *testing.T) {
 	}
 	`
 
+	runnerFailedIgnoreErrorsEvt := `
+	{
+		"uuid": "7097758b-1109-4fd9-af59-f545633794dd",
+		"event": "runner_on_failed",
+		"event_data": {
+			"play": "test",
+			"task": "file",
+			"host": "testhost",
+			"res": {"msg": "fake error"},
+			"ignore_errors": true
+		}
+	}
+	`
+
 	runnerUnreachableEvt := `
 	{
 		"uuid": "ded6289b-e557-48c1-88e1-88eb630aec21",
@@ -289,6 +303,10 @@ func TestExtractFailureReason(t *testing.T) {
 			events:         []string{playbookStartEvt, runnerFailedEvt},
 			expectedReason: `Failed on play "test", task "file", host "testhost": fake error`,
 		},
+		"FailedEventWithIgnoreErrors": {
+			events:         []string{playbookStartEvt, runnerFailedIgnoreErrorsEvt},
+			expectedReason: "",
+		},
 		"UnreachableEvent": {
 			events:         []string{playbookStartEvt, runnerUnreachableEvt},
 			expectedReason: `Unreachable on play "test", task "Gathering Facts", host "testhost": Failed to connect to the host via ssh`,

internal/ansible/jobEvent.go

@@ -16,10 +16,11 @@ type jobEvent struct {
 }
 
 type runnerEventData struct {
-	Play   string       `json:"play"`
-	Task   string       `json:"task"`
-	Host   string       `json:"host"`
-	Result runnerResult `json:"res"`
+	Play         string       `json:"play"`
+	Task         string       `json:"task"`
+	Host         string       `json:"host"`
+	Result       runnerResult `json:"res"`
+	IgnoreErrors bool         `json:"ignore_errors"`
 }
 
 type runnerResult struct {