Difference between revisions of "Kubernetes init containers (initContainers)"
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| − | + | * https://kubernetes.io/docs/concepts/workloads/pods/init-containers/#init-containers-in-use | |
| − | https://kubernetes.io/docs/concepts/workloads/pods/init-containers/#init-containers-in-use | ||
apiVersion: v1 | apiVersion: v1 | ||
| − | kind: Pod | + | [[kind: Pod]] |
metadata: | metadata: | ||
name: myapp-pod | name: myapp-pod | ||
| Line 8: | Line 7: | ||
app: myapp | app: myapp | ||
spec: | spec: | ||
| − | containers: | + | [[containers:]] |
- name: myapp-container | - name: myapp-container | ||
image: busybox:1.28 | image: busybox:1.28 | ||
| Line 20: | Line 19: | ||
command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"] | command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"] | ||
| + | == Related == | ||
| + | * <code>[[kubectl get pod]] your-pod-name [[--template]]<nowiki> '{{.status.initContainerStatuses}}'</nowiki></code> | ||
| + | * <code>[[init:]], [[Init:0/1]]</code> | ||
| + | * <code>[[args:]]</code> | ||
| + | * [[Elasticsearch]]: <code>[[sysctl]] -w [[vm.max_map_count]]=262144</code> | ||
| + | * <code>[[Redis_values.yml]]</code> | ||
| + | * <code>[[aws-node]]</code> | ||
== See also == | == See also == | ||
| − | * {{ | + | * {{Kubectl init containers}} |
| − | * {{ | + | * {{Pods}} |
| + | * {{Containers}} | ||
[[Category:K8s]] | [[Category:K8s]] | ||
Latest revision as of 15:13, 27 February 2024
apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp-container image: busybox:1.28 command: ['sh', '-c', 'echo The app is running! && sleep 3600'] initContainers: - name: init-myservice image: busybox:1.28 command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"] - name: init-mydb image: busybox:1.28 command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]
Related[edit]
kubectl get pod your-pod-name --template '{{.status.initContainerStatuses}}'init:, Init:0/1args:- Elasticsearch:
sysctl -w vm.max_map_count=262144 Redis_values.ymlaws-node
See also[edit]
- Kubernetes init containers:
kubectl get pods, Init: (Init:ErrImagePull, Init:CrashLoopBackOff, Init:ImagePullBackOff), initContainers: - Pods:
kubectl apply,kubectl [ pod get | top | delete | describe pods ],InitContainers, PodInitializing, CrashLoopBackOff, ImagePullPolicy:, NodeAffinity, NodeSelector, Terminated - Containers, OCI: Docker (
dockerd),containerd,runc, Podman, buildah, skopeo, lxd, Container Registry, Service mesh, Windows Server containers, Containerpilot, CoreOS, CAdvisor, Containers networking, Container scanning, cosign, CRI, CRI-O,initContainers, Sidecar container, Container images, latest
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