ReadinessProbe

• https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#define-a-tcp-liveness-probe

• helm show all grafana/grafana

Examples

readinessProbe:
  httpGet:
    path: /api/health
    port: 3000

livenessProbe:
  httpGet:
    path: /api/health
    port: 3000
  initialDelaySeconds: 60
  timeoutSeconds: 30
  failureThreshold: 10

Official example

apiVersion: v1
kind: Pod
metadata:
  name: goproxy
  labels:
    app: goproxy
spec:
  containers:
  - name: goproxy
    image: registry.k8s.io/goproxy:0.1
    ports:
    - containerPort: 8080
    readinessProbe:
      tcpSocket:
        port: 8080
      initialDelaySeconds: 5
      periodSeconds: 10
    livenessProbe:
      tcpSocket:
        port: 8080
      initialDelaySeconds: 15
      periodSeconds: 20

Related

• LivenessProbe
• kind: Pod

templates/deployment.yaml

• startupProbe

See also

• K8s probes: readinessProbe, livenessProbe, StartupProbe, exec, gRPC, HttpGet, tcpSocket, TerminationGracePeriodSeconds
• Pods: kubectl apply, kubectl [ pod get | top | delete | describe pods ], InitContainers, PodInitializing, CrashLoopBackOff, ImagePullPolicy:, NodeAffinity, NodeSelector, Terminated