k8s常用命令

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1. 查看pods

kubectl get pods -n <namespace>

2. 以命令行方式进入pod

kubectl exec --namespace <namespace> -it <podName> -- /bin/sh

[AlfieriChou]

多集群配置

apiVersion: v1
clusters:
- cluster:
    server: https://192.168.10.190:6443
  name: cluster-1
- cluster:
    server: https://192.168.99.101:8443
  name: cluster-2
contexts:
- context:
    cluster: cluster-1
    user: kubernetes-admin-1
  name: cluster-1
- context:
    cluster: cluster-2
    user: kubernetes-admin-2
  name: cluster-2
current-context: cluster-2
kind: Config
preferences: {}
users:
- name: kubernetes-admin-1
  user:
    client-certificate: /home/user/.minikube/credential-for-cluster-1.crt
    client-key: /home/user/.minikube/credential-for-cluster-1.key
- name: kubernetes-admin-2
  user:
    client-certificate: /home/user/.minikube/credential-for-cluster-2.crt
    client-key: /home/user/.minikube/credential-for-cluster-2.key

[AlfieriChou]

多集群config配置案例 https://kubernetes.io/docs/tasks/access-application-cluster/configure-access-multiple-clusters/#set-the-kubeconfig-environment-variable

[AlfieriChou]

切换context

1. 获取集群
kubectl config get-contexts

2. 使用集群配置
kubectl config use-context xxxx-xxxxxxx

[AlfieriChou]

查看rpa配置

kubectl get hpa --namespace xxxx

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查看job信息

kubectl get jobs -n xxx

查看job container

kubectl get pods --selector=job-name=jobname -n xxxx

[AlfieriChou]

查看cronjob信息

kubectl get cronjob -n xxxxx

查看cronjob信息输出json结构

kubectl get cronjob -n xxxxx -o json

关闭cronjob

kubectl patch cronjobs -n xxxxx jobName -p '{"spec" : {"suspend" : true }}'