kubespray/roles/etcd/tasks/set_facts.yml

---
- set_fact: etcd_address="{{ ip | default(ansible_default_ipv4['address']) }}"
- set_fact: etcd_access_address="{{ access_ip | default(etcd_address) }}"
- set_fact: etcd_peer_url="http://{{ etcd_access_address }}:2380"
- set_fact: etcd_client_url="http://{{ etcd_access_address }}:2379"
- set_fact: etcd_authority="{{ access_ip|default('127.0.0.1') }}:2379"
- set_fact: etcd_endpoint="http://{{ etcd_authority }}"
- set_fact:
    etcd_access_addresses: |-
      {% for item in groups['etcd'] -%}
        http://{{ hostvars[item].etcd_access_address }}:2379{% if not loop.last %},{% endif %}
      {%- endfor %}
- set_fact: etcd_access_endpoint="{% if etcd_multiaccess %}{{ etcd_access_addresses }}{% else %}{{ etcd_endpoint }}{% endif %}"
- set_fact:
    etcd_member_name: |-
      {% for host in groups['etcd'] %}
      {%   if inventory_hostname == host %}{{"etcd"+loop.index|string }}{% endif %}
      {% endfor %}
- set_fact:
    etcd_proxy_member_name: |-
      {% for host in groups['k8s-cluster'] %}
      {%   if inventory_hostname == host %}{{"etcd-proxy"+loop.index|string }}{% endif %}
      {% endfor %}
- set_fact:
    is_etcd_proxy: "{{ inventory_hostname in groups['k8s-cluster'] }}"
- set_fact:
    is_etcd_master: "{{ inventory_hostname in groups['etcd'] }}"
- set_fact:
    etcd_after_v3: etcd_version | version_compare("v3.0.0", ">=")
- set_fact:
    etcd_container_bin_dir: "{% if etcd_after_v3 %}/usr/local/bin/{% else %}/{% endif %}"