# 警告：此脚本将清理指定 kube-master 节点
# 使用：`easzctl del-master 1.1.1.1` 

- hosts: "{{ NODE_TO_DEL }}" 
  tasks:
  - name: fail info1
    fail: msg="you CAN NOT delete the last member of etcd cluster!"
    when: "groups['etcd']|length < 2 and NODE_TO_DEL in groups['etcd']"

  - name: fail info2
    fail: msg="you CAN NOT delete the last member of kube-master!"
    when: "groups['kube-master']|length < 2 and NODE_TO_DEL in groups['kube-master']"

  - name: 执行 kubectl drain 迁移 pod
    shell: "{{ bin_dir }}/kubectl drain {{ NODE_TO_DEL }} --ignore-daemonsets --delete-local-data"
    connection: local
    ignore_errors: true

- hosts: "{{ NODE_TO_DEL }}" 
  vars:
    DEL_MASTER: "yes"
    DEL_NODE: "yes"
    DEL_LB: "yes"
  roles:
  - clean
  task:
  - name: 执行 kubectl delete node
    shell: "{{ bin_dir }}/kubectl delete node {{ NODE_TO_DEL }}"
    delegate_to: "{{ groups['kube-node'][0] }}"

# 删除 ansible hosts 中节点配置
#  - name: rm {{ NODE_TO_DEL }} in ansible hosts
#    lineinfile:
#      dest: "{{ base_dir }}/hosts"
#      state: absent
#      regexp: '^{{ NODE_TO_DEL }}$|^{{ NODE_TO_DEL }}[^0-9]'
#    connection: local