cloud/k3s/opsfile.yml

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version: "3"

vars:
  # temporary....
  K3S_VERSION: "v1.27.7-rc1+k3s2"
  SSH: "ssh -oStrictHostKeyChecking=no"
  CERTMANAGER: "https://github.com/cert-manager/cert-manager/releases/download/v1.11.0/cert-manager.yaml"

env:
  KUBECONFIG:
    sh: |-
      if test -e "$OPS_TMP/kubeconfig"
      then echo "$OPS_TMP/kubeconfig"
      else echo ~/.kube/config
      fi

tasks:
  get-cert-manager:
    cmds:
      - curl -L "{{.CERTMANAGER}}" >cert-manager.yaml

  install:
    silent: true
    #desc: install k3s with ssh in <server> using <user> with sudo
    vars:
      INSTALL_USER: '{{._user_ | default "root"}}'
    cmds:
      - test -n "{{._server_}}" || die "required <server> ip or hostname"
      - >
        k3sup install --k3s-version="{{.K3S_VERSION}}"
        --host="{{._server_}}" --user="{{.INSTALL_USER}}"
        --local-path=$OPS_TMP/kubeconfig
    

  cert-manager:
    silent: true
    #desc: install cert-manager
    cmds:
      - kubectl --kubeconfig $OPS_TMP/kubeconfig apply -f cert-manager.yaml

  create:
    silent: true
    desc: create a k3s with ssh in <server> using <username> with sudo
    cmds:
      - config OPERATOR_CONFIG_KUBE=k3s
      - task: install
      - task: cert-manager
      - cp "$OPS_TMP/kubeconfig" "$OPS_TMP/k3s-{{._server_}}.kubeconfig"

  delete:
    silent: true
    desc: uninstall with ssh in <server> using <username> with sudo
    cmds:
      - test -n "{{._server_}}" || die "please use <server>"
      - "{{.SSH}} '{{._user_}}@{{._server_}}' sudo /usr/local/bin/k3s-uninstall.sh"
      - rm "$OPS_TMP/kubeconfig" "$OPS_TMP/k3s-{{._server_}}.kubeconfig"
    vars:
      USERNAME: '{{.USERNAME | default "root"}}'

  status:
    desc: status of the server
    silent: true
    cmds:
      - |
        if test -e $OPS_TMP/kubeconfig
        then {{.RUN}} kubectl get nodes
        else echo "No Cluster Installed"
        fi

  info:
    silent: true
    desc: info on the server
    cmds:
      - echo KUBECONFIG="$KUBECONFIG"
      - echo SERVER_HOST="$SERVER_HOST"
      - echo SERVER_USERNAME="$SERVER_USERNAME"

  kubeconfig:
    desc: recover the kubeconfig from a K3S server <server> with user <user>
    vars:
      INSTALL_USER: '{{._user_ | default "root"}}'
    cmds:
      - test -n "{{._server_}}" || die "please use <server>"
      - >
        {{.SSH}} '{{.INSTALL_USER}}@{{._server_}}' 
        sudo cat /etc/rancher/k3s/k3s.yaml 
        | replace --stdin -s '127.0.0.1' -r '{{._server_}}'
        >"$OPS_TMP/kubeconfig"
      - cp "$OPS_TMP/kubeconfig" "$OPS_TMP/k3s-{{._server_}}.kubeconfig"