// it is safe for concurrent use by multiple goroutines.
type DurationTracker interface {
	// Track measures time spent in the given function f and
	// aggregates measured duration using aggregateFunction.
	// if Track is invoked with f from multiple goroutines concurrently,
	// then f must be safe to be invoked concurrently by multiple goroutines.
	Track(f func())

	// TrackDuration tracks latency from the specified duration

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels:
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
        - name: hello
          image: "fake.docker.io/google-samples/hello-go-gke:1.0"
          ports:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels:
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      labels:
        app: hello
        tier: backend
        track: stable
      annotations:
        proxy.istio.io/config: '{ "holdApplicationUntilProxyStarts": true }'
    spec:
      containers:
      - name: hello

kind: Deployment
metadata:
  name: user-volume
spec:
  replicas: 1
  selector:
    matchLabels:
      app: user-volume
      tier: backend
      track: stable
  template:
    metadata:
      labels:
        app: user-volume
        tier: backend
        track: stable
      annotations:

			t.Error("expected values to be initialized to 0")
		}

		for _, d := range tc.Durations {
			wd.MutatingWebhookTracker.Track(func() { clk.Step(d) })
			wd.ValidatingWebhookTracker.Track(func() { clk.Step(d) })
			wd.APFQueueWaitTracker.Track(func() { clk.Step(d) })
		}

		wd, ok = LatencyTrackersFrom(ctx)
		if !ok {
			t.Errorf("expected webhook duration to be initialized")
		}

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels:
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
        - name: hello
          image: "fake.docker.io/google-samples/hello-go-gke:1.0"
          ports:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels:
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
        - name: hello
          image: "fake.docker.io/google-samples/hello-go-gke:1.0"
          ports:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels: 
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
        - name: hello
          image: "fake.docker.io/google-samples/hello-go-gke:1.0"
          ports:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels:
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
        - name: hello
          image: "fake.docker.io/google-samples/hello-go-gke:1.0"
          ports:

metadata:
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels: 
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      annotations:
        k8s.v1.cni.cncf.io/networks: alt_cni
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
        - name: hello
          image: "fake.docker.io/google-samples/hello-go-gke:1.0"