refactor(k8s): add more trace logs

runtime/kubernetes/container.go

@@ -245,6 +245,7 @@ func (c *client) TailContainer(ctx context.Context, ctn *pipeline.Container) (io
 // streamContainerLogs streams the logs to a cache up to a maxLogSize, restarting the stream as needed.
 // streamContainerLogs is designed to run in its own goroutine.
 func (p podTracker) streamContainerLogs(ctx context.Context, ctnTracker *containerTracker, maxLogSize uint) {
+	p.Logger.Tracef("begin streaming logs for container %s in %s", ctnTracker.Name, p.TrackedPod)
 	// create function for periodically capturing
 	// the logs from the container with backoff
 	logsFunc := func() (bool, error) {

runtime/kubernetes/pod_tracker.go

@@ -165,6 +165,7 @@ func (p podTracker) Start(ctx context.Context, maxLogSize uint) {
 
 // TrackContainers creates a containerTracker for each container.
 func (p *podTracker) TrackContainers(containers []v1.Container) {
+	p.Logger.Tracef("adding %d containerTrackers for pod %s", len(containers), p.TrackedPod)
 	if p.Containers == nil {
 		p.Containers = map[string]*containerTracker{}
 	}