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使用kubectx管理多个k8s集群

 1 year ago
source link: https://www.bboy.app/2022/10/21/%E4%BD%BF%E7%94%A8kubectx%E7%AE%A1%E7%90%86%E5%A4%9A%E4%B8%AAk8s%E9%9B%86%E7%BE%A4/
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使用kubectx管理多个k8s集群

2022-10-21 14:30:00 kubernetes

20221021-1.webp

kubectx是一个可以帮助你快速切换k8s集群的工具，kubens则帮助你在一个集群中快速的切换namespace

https://github.com/ahmetb/kubectx

安装krew

(
  set -x; cd "$(mktemp -d)" &&
  OS="$(uname | tr '[:upper:]' '[:lower:]')" &&
  ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/')" &&
  KREW="krew-${OS}_${ARCH}" &&
  curl -fsSLO "https://github.com/kubernetes-sigs/krew/releases/latest/download/${KREW}.tar.gz" &&
  tar zxvf "${KREW}.tar.gz" &&
  ./"${KREW}" install krew
)

zshrc中加入

vim ~/.zshrc

export PATH="${PATH}:${HOME}/.krew/bin"

使用krew安装kubectx

kubectl krew install ctx

kubectl krew install ns

配置KUBECONFIG变量

vim ~/.zshrc

export KUBECONFIG=/Users/bboysoul/.kube/kube-config/develop.yaml:/Users/bboysoul/.kube/kube-config/k3s-amd64.yaml

列出所有的集群

kubectl ctx

➜  ~ kubectl ctx
k3s-amd64
kubernetes-admin@local

kubectl ctx kubernetes-admin@local

查看所有namespace

kubectl ns

➜  ~ kubectl ns
argo-rollouts
argocd
default

切换namespace

kubectl ns argocd

最后说几句

关于k8s集群的切换工具，最主要 是下面几个

上面三个我都用过，其实我的需求很简单，就是可以正常切换就可以，没必要那么花里胡哨，上面三个都还不错

欢迎关注我的博客 www.bboy.app

Have Fun


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