kubespray/roles/etcd/tasks/join_etcd_member.yml

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---
- name: Join Member | Add member to etcd cluster
shell: "{{ bin_dir }}/etcdctl member add {{ etcd_member_name }} {{ etcd_peer_url }}"
register: member_add_result
until: member_add_result.rc == 0
retries: "{{ etcd_retries }}"
delay: "{{ retry_stagger | random + 3 }}"
environment:
ETCDCTL_API: 2
ETCDCTL_ENDPOINTS: "{{ etcd_access_addresses }}"
ETCDCTL_CERT_FILE: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY_FILE: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
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ETCDCTL_CA_FILE: "{{ etcd_cert_dir }}/ca.pem"
- include_tasks: refresh_config.yml
vars:
etcd_peer_addresses: >-
{% for host in groups['etcd'] -%}
{%- if hostvars[host]['etcd_member_in_cluster'].rc == 0 -%}
{{ "etcd"+loop.index|string }}=https://{{ hostvars[host].access_ip | default(hostvars[host].ip | default(fallback_ips[host])) }}:2380,
{%- endif -%}
{%- if loop.last -%}
{{ etcd_member_name }}={{ etcd_peer_url }}
{%- endif -%}
{%- endfor -%}
- name: Join Member | Ensure member is in etcd cluster
shell: "{{ bin_dir }}/etcdctl --no-sync member list | grep -q {{ etcd_access_address }}"
register: etcd_member_in_cluster
changed_when: false
check_mode: no
tags:
- facts
environment:
ETCDCTL_API: 2
ETCDCTL_ENDPOINTS: "{{ etcd_access_addresses }}"
ETCDCTL_CERT_FILE: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY_FILE: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
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ETCDCTL_CA_FILE: "{{ etcd_cert_dir }}/ca.pem"
- name: Configure | Ensure etcd is running
service:
name: etcd
state: started
enabled: yes