21.addmaster.yml

# reconfigure and restart the haproxy service
- hosts: lb
  roles:
  - lb

- hosts: new-master 
  roles:
  - { role: chrony, when: "hostvars[groups.deploy[0]]['NTP_ENABLED'] == 'yes'" } 
  - prepare
  - docker
  - kube-master
  - kube-node
  #
  - { role: calico, when: "CLUSTER_NETWORK == 'calico'" }
  - { role: cilium, when: "CLUSTER_NETWORK == 'cilium'" }
  - { role: flannel, when: "CLUSTER_NETWORK == 'flannel'" }
  - { role: kube-router, when: "CLUSTER_NETWORK == 'kube-router'" }
  # 
  tasks:
  - name: Making master nodes SchedulingDisabled
    shell: "{{ bin_dir }}/kubectl cordon {{ inventory_hostname }} "
    delegate_to: "{{ groups.deploy[0] }}"
    when: DEPLOY_MODE != "allinone"
    ignore_errors: true

  - name: Setting master role name
    shell: "{{ bin_dir }}/kubectl label node {{ inventory_hostname }} kubernetes.io/role=master --overwrite"
    ignore_errors: true
    delegate_to: "{{ groups.deploy[0] }}"

# modify the ansible hosts file
- hosts:
  - new-master
  tasks:
  - name: tag new-master FINISHED=yes
    shell: 'sed -i "/\[new-master/,/\[kube-node/s/{{ inventory_hostname }}/{{ inventory_hostname }} FINISHED=yes/" {{ base_dir }}/hosts'
    args:
      warn: false
    connection: local

  - name: cp new-master to 'kube-master' group
    lineinfile:
      dest: "{{ base_dir }}/hosts"
      state: present
      insertafter: '^\[kube-master'
      firstmatch: yes
      line: "{{ inventory_hostname }} NEW_MASTER=yes"
    connection: local

- hosts: deploy
  tasks:
  - name: rm new-master in ansible hosts
    lineinfile:
      dest: "{{ base_dir }}/hosts"
      state: absent
      regexp: 'FINISHED=yes'
    connection: local