kubespray/roles/etcd/tasks/configure.yml

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---
- name: Configure | Check if member is in cluster
shell: "{{ bin_dir }}/etcdctl --no-sync --peers={{ etcd_access_addresses }} member list | grep -q {{ etcd_access_address }}"
register: etcd_member_in_cluster
failed_when: false
changed_when: false
check_mode: no
when: is_etcd_master
tags: facts
- name: Configure | Add member to the cluster if it is not there
when: is_etcd_master and etcd_member_in_cluster.rc != 0 and etcd_cluster_is_healthy.rc == 0
shell: "{{ bin_dir }}/etcdctl --peers={{ etcd_access_addresses }} member add {{ etcd_member_name }} {{ etcd_peer_url }}"
- name: Configure | Copy etcd.service systemd file
template:
src: "etcd-{{ etcd_deployment_type }}.service.j2"
dest: /etc/systemd/system/etcd.service
backup: yes
when: is_etcd_master
notify: restart etcd