added errorKernel to the processes struct

errorkernel.go

@@ -25,18 +25,20 @@ type errorKernel struct {
 	// errorCh is used to report errors from a process
 	errorCh chan errorEvent
 
-	ctx    context.Context
+	ctx     context.Context
-	cancel context.CancelFunc
+	cancel  context.CancelFunc
+	metrics *metrics
 }
 
 // newErrorKernel will initialize and return a new error kernel
-func newErrorKernel(ctx context.Context) *errorKernel {
+func newErrorKernel(ctx context.Context, m *metrics) *errorKernel {
 	ctxC, cancel := context.WithCancel(ctx)
 
 	return &errorKernel{
 		errorCh: make(chan errorEvent, 2),
 		ctx:     ctxC,
 		cancel:  cancel,
+		metrics: m,
 	}
 }
 
@@ -100,7 +102,7 @@ func (e *errorKernel) start(newMessagesCh chan<- []subjectAndMessage) error {
 
 				newMessagesCh <- []subjectAndMessage{sam}
 
-				//metrics.promErrorMessagesSentTotal.Inc()
+				e.metrics.promErrorMessagesSentTotal.Inc()
 			}()
 
 		default:

processes.go

@@ -28,14 +28,17 @@ type processes struct {
 	wg sync.WaitGroup
 	// tui
 	tui *tui
+	// errorKernel
+	errorKernel *errorKernel
 }
 
 // newProcesses will prepare and return a *processes which
 // is map containing all the currently running processes.
-func newProcesses(ctx context.Context, metrics *metrics, tui *tui) *processes {
+func newProcesses(ctx context.Context, metrics *metrics, tui *tui, errorKernel *errorKernel) *processes {
 	p := processes{
-		active: *newProcsMap(),
+		active:      *newProcsMap(),
-		tui:    tui,
+		tui:         tui,
+		errorKernel: errorKernel,
 	}
 
 	// Prepare the parent context for the subscribers.

server.go

@@ -69,6 +69,12 @@ func NewServer(c *Configuration, version string) (*server, error) {
 	// Set up the main background context.
 	ctx, cancel := context.WithCancel(context.Background())
 
+	metrics := newMetrics(c.PromHostAndPort)
+
+	// Start the error kernel that will do all the error handling
+	// that is not done within a process.
+	errorKernel := newErrorKernel(ctx, metrics)
+
 	var opt nats.Option
 
 	if c.RootCAPath != "" {
@@ -122,8 +128,6 @@ func NewServer(c *Configuration, version string) (*server, error) {
 		}
 	}
 
-	metrics := newMetrics(c.PromHostAndPort)
-
 	// Create the tui client structure if enabled.
 	var tuiClient *tui
 	if c.EnableTUI {
@@ -142,11 +146,12 @@ func NewServer(c *Configuration, version string) (*server, error) {
 		nodeName:      c.NodeName,
 		natsConn:      conn,
 		StewardSocket: stewardSocket,
-		processes:     newProcesses(ctx, metrics, tuiClient),
+		processes:     newProcesses(ctx, metrics, tuiClient, errorKernel),
 		newMessagesCh: make(chan []subjectAndMessage),
 		metrics:       metrics,
 		version:       version,
 		tui:           tuiClient,
+		errorKernel:   errorKernel,
 	}
 
 	// Create the default data folder for where subscribers should
@@ -206,10 +211,6 @@ func (s *server) Start() {
 	log.Printf("Starting steward, version=%+v\n", s.version)
 	s.metrics.promVersion.With(prometheus.Labels{"version": string(s.version)})
 
-	// Start the error kernel that will do all the error handling
-	// that is not done within a process.
-	s.errorKernel = newErrorKernel(s.ctx)
-
 	go func() {
 		err := s.errorKernel.start(s.newMessagesCh)
 		if err != nil {