k3ctl

README

k3ctl management k3s kubernetes clusters

Download and install

curl -sfL https://raw.githubusercontent.com/grengojbo/k3ctl/main/install.sh | sh -

export AWS_ACCESS_KEY_ID=<YOUR_ACCESS_KEY_ID>
export AWS_SECRET_ACCESS_KEY=<YOUR_SECRET_ACCESS_KEY>

export ARM_CLIENT_ID="WWWWWWWW-WWWW-WWWW-WWWW-WWWWWWWWWWWW" && \
export ARM_CLIENT_SECRET="XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX" && \
export ARM_TENANT_ID="YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY" && \
export ARM_SUBSCRIPTION_ID="ZZZZZZZZ-ZZZZ-ZZZZ-ZZZZ-ZZZZZZZZZZZZ"

export HCLOUD_TOKEN=XXXXXXXXXXXXXX

или .env

DB_PASSWORD=XXX

Example create cluster

./k3ctl cluster create sample
./k3ctl apply -c iwisops

For developers

если bastion.Name == "local" то выполняем команду локально

Для работы через бастион необходимо указать

  bastions:
    - name: mybastion
      user: noname
      address: 192.168.0.2
      # sshPort: 2222
      # sshAuthorizedKey: ~/keys/my_rsa
  nodes:
    - name: k3-master
      user: nonameTwo
      bastion: mybastion

Неизменять текущий контест

./k3ctl kubeconfig get sample --kubeconfig-switch-context=false

Удаление ноды из кластера

./k3ctl node delete <node name> -c <cluster name> 

проблемы

При подключении узла

kubectl -n kube-system delete secrets <agent-node-name>.node-password.rke2
kubectl -n kube-system delete secrets <agent-node-name>.node-password.k3s

/var/lib/rancher/k3s/server/cred/passwd newer than datastore and could cause a cluster outage. Remove the file(s) from disk and restart to be recreated from datastore.