Linkerd edge-23.6.2 HTTPRoute timeouts demo

httproute-timeout-demo.yml

---
# `podinfo` deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: podinfo
spec:
  replicas: 1
  minReadySeconds: 3
  revisionHistoryLimit: 5
  progressDeadlineSeconds: 60
  strategy:
    rollingUpdate:
      maxUnavailable: 0
    type: RollingUpdate
  selector:
    matchLabels:
      app: podinfo
  template:
    metadata:
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "9797"
        linkerd.io/inject: enabled
      labels:
        app: podinfo
    spec:
      containers:
      - name: podinfod
        image: ghcr.io/stefanprodan/podinfo:6.3.6
        imagePullPolicy: IfNotPresent
        ports:
        - name: http
          containerPort: 9898
          protocol: TCP
        - name: http-metrics
          containerPort: 9797
          protocol: TCP
        - name: grpc
          containerPort: 9999
          protocol: TCP
        command:
        - ./podinfo
        - --port=9898
        - --port-metrics=9797
        - --grpc-port=9999
        - --grpc-service-name=podinfo
        - --level=info
        - --random-delay=false
        - --random-error=false
        env:
        - name: PODINFO_UI_COLOR
          value: "#34577c"
        livenessProbe:
          exec:
            command:
            - podcli
            - check
            - http
            - localhost:9898/healthz
          initialDelaySeconds: 5
          timeoutSeconds: 5
        readinessProbe:
          exec:
            command:
            - podcli
            - check
            - http
            - localhost:9898/readyz
          initialDelaySeconds: 5
          timeoutSeconds: 5
        resources:
          limits:
            cpu: 2000m
            memory: 512Mi
          requests:
            cpu: 100m
            memory: 64Mi
---
# podinfo service
apiVersion: v1
kind: Service
metadata:
  name: podinfo
spec:
  type: ClusterIP
  selector:
    app: podinfo
  ports:
    - name: http
      port: 9898
      protocol: TCP
      targetPort: http
    - port: 9999
      targetPort: grpc
      protocol: TCP
      name: grpc
---
# HTTPRoute for podinfo
apiVersion: policy.linkerd.io/v1beta3
kind: HTTPRoute
metadata:
  name: podinfo-route
spec:
  parentRefs:
  - name: podinfo
    kind: Service
    group: core
    port: 9898
  rules:
  # if the `x-eliza-timeout: long` header is present, set a
  # backendRequest timeout of 2 seconds.
  - matches:
    - headers:
      - name: "x-eliza-timeout"
        value: "long"
    backendRefs:
      - name: "podinfo"
        port: 9898
    timeouts:
      backendRequest: 3s
  # if no other rules match, set a `request` timeout of 1 second.
  - timeouts:
      request: 2s
    backendRefs:
    - name: podinfo
      kind: Service
      group: core
      port: 9898
---
# curl pod we'll use to issue HTTP requests to `podinfo`, using:
#
# $ kubectl exec curl -it -c curl /bin/sh
#
# now you're running commands in the curl pod:
#
# $ curl -v podinfo:9898/delay/1
# $ curl -v podinfo:9898/delay/2
# $ curl -v podinfo:9898/delay/2 -H "x-eliza-timeout: long"
# $ curl -v podinfo:9898/delay/3 -H "x-eliza-timeout: long"
apiVersion: v1
kind: Pod
metadata:
  name: curl
  annotations:
    linkerd.io/inject: enabled
    config.linkerd.io/proxy-log-level: info,linkerd=debug
spec:
  containers:
  - name: curl
    image: docker.io/curlimages/curl:latest
    command: ["sleep", "infinite"]