Difference between revisions of "Kubernetes probes"
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+ | https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/ | ||
− | + | * <code>[[readinessProbe]]</code> | |
− | + | * <code>[[livenessProbe]]</code> | |
− | + | * <code>[[startupProbe]]</code> | |
− | + | Check mechanisms: | |
− | + | * <code>[[exec]]</code> | |
+ | * <code>[[grpc]]</code> | ||
+ | * <code>[[httpGet]]: [[httpHeaders]]</code> | ||
+ | * <code>[[tcpSocket]]</code> | ||
[[kind: Deployment]] | [[kind: Deployment]] | ||
+ | |||
+ | <pre> | ||
+ | apiVersion: v1 | ||
+ | kind: Pod | ||
+ | metadata: | ||
+ | labels: | ||
+ | test: liveness | ||
+ | name: liveness-exec | ||
+ | spec: | ||
+ | containers: | ||
+ | - name: liveness | ||
+ | image: registry.k8s.io/busybox | ||
+ | args: | ||
+ | - /bin/sh | ||
+ | - -c | ||
+ | - touch /tmp/healthy; sleep 30; rm -f /tmp/healthy; sleep 600 | ||
+ | livenessProbe: | ||
+ | exec: | ||
+ | command: | ||
+ | - cat | ||
+ | - /tmp/healthy | ||
+ | initialDelaySeconds: 5 | ||
+ | periodSeconds: 5 | ||
+ | </pre> | ||
Line 13: | Line 41: | ||
== Related == | == Related == | ||
− | + | * <code>[[Redis values.yml]]</code> | |
− | + | * <code>[[customStartupProbe]]</code> | |
− | + | * <code>[[customLivenessProbe]]</code> | |
+ | * <code>[[customReadinessProbe]]</code> | ||
+ | * [[Kubernetes restartPolicy]] | ||
+ | * [[CrashLoopBackOff]] | ||
+ | * [[Unknown]] | ||
== See also == | == See also == |
Latest revision as of 09:34, 2 October 2024
Check mechanisms:
kind: Deployment
apiVersion: v1 kind: Pod metadata: labels: test: liveness name: liveness-exec spec: containers: - name: liveness image: registry.k8s.io/busybox args: - /bin/sh - -c - touch /tmp/healthy; sleep 30; rm -f /tmp/healthy; sleep 600 livenessProbe: exec: command: - cat - /tmp/healthy initialDelaySeconds: 5 periodSeconds: 5
readinessProbe: httpGet: path: /api/health port: 3000 livenessProbe: httpGet: path: /api/health port: 3000 initialDelaySeconds: 60 timeoutSeconds: 30 failureThreshold: 10
Related[edit]
Redis values.yml
customStartupProbe
customLivenessProbe
customReadinessProbe
- Kubernetes restartPolicy
- CrashLoopBackOff
- Unknown
See also[edit]
- K8s probes:
readinessProbe, livenessProbe, StartupProbe, exec, gRPC, HttpGet, tcpSocket
- Kubernetes deployments, strategies:
kind: Deployment
, Strategies:Recreate
orRollingUpdate
,kubectl
[create | describe | get | scale | rollout | deployment/
], Kubernetes Canary Deployments,deployment.kubernetes.io
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