mirror of https://github.com/easzlab/kubeasz.git
53 lines
1.8 KiB
YAML
53 lines
1.8 KiB
YAML
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# remove a etcd member
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- hosts: deploy
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vars_prompt:
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- name: "ETCD_TO_DEL"
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prompt: "which etcd node is about to be deleted?(e.g 192.168.1.1)"
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private: no
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confirm: yes
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tasks:
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- name: set warnning info
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set_fact: WARN_INFO="CAN NOT DELETE THIS NODE!!!!!!"
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when: "groups['etcd']|length < 2 or ETCD_TO_DEL not in groups['etcd']"
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- name: show warnning info
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debug: var="WARN_INFO"
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when: "groups['etcd']|length < 2 or ETCD_TO_DEL not in groups['etcd']"
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- block:
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- name: get ID of etcd node to delete
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shell: "ETCDCTL_API=3 {{ bin_dir }}/etcdctl member list|grep {{ ETCD_TO_DEL }}:2380|cut -d',' -f1"
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register: ETCD_ID
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delegate_to: "{{ groups.etcd[0] }}"
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- name: get NAME of etcd node to delete
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shell: "ETCDCTL_API=3 {{ bin_dir }}/etcdctl member list|grep {{ ETCD_TO_DEL }}:2380|cut -d' ' -f3|cut -d',' -f1"
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register: ETCD_NAME
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delegate_to: "{{ groups.etcd[0] }}"
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- name: rm etcd's node in hosts
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lineinfile:
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dest: "{{ base_dir }}/hosts"
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state: absent
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regexp: '{{ ETCD_NAME.stdout }}'
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connection: local
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when: "ETCD_NAME.stdout != ''"
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- name: delete a etcd member
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shell: "ETCDCTL_API=3 {{ bin_dir }}/etcdctl member remove {{ ETCD_ID.stdout }}"
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delegate_to: "{{ groups.etcd[0] }}"
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when: "ETCD_ID.stdout != ''"
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- name: rm data of the deleted etcd node
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file: name=/var/lib/etcd state=absent
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delegate_to: "{{ ETCD_TO_DEL }}"
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when: "ETCD_ID.stdout != ''"
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- name: reconfig and restart the etcd cluster
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shell: "ansible-playbook /etc/ansible/02.etcd.yml > /tmp/ansible-playbook.log 2>&1"
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connection: local
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when: "ETCD_ID.stdout != ''"
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run_once: true
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# 满足条件才进行删除
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when: "groups['etcd']|length > 1 and ETCD_TO_DEL in groups['etcd']"
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