c12s-kubespray/roles/kubernetes/preinstall/tasks/etchosts.yml

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---
- name: Hosts | populate inventory into hosts file
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blockinfile:
dest: /etc/hosts
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block: |-
{% for item in groups['all'] -%}
{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item].ansible_default_ipv4.address)) }}{% if (item != hostvars[item]['ansible_hostname']) %} {{ hostvars[item]['ansible_hostname'] }}{% endif %} {{ item }}
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{% endfor %}
state: present
create: yes
backup: yes
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marker: "# Ansible inventory hosts {mark}"
- name: Hosts | populate kubernetes loadbalancer address into hosts file
lineinfile:
dest: /etc/hosts
regexp: ".*{{ apiserver_loadbalancer_domain_name }}$"
line: "{{ loadbalancer_apiserver.address }} {{ apiserver_loadbalancer_domain_name| default('lb-apiserver.kubernetes.local') }}"
state: present
backup: yes
when: loadbalancer_apiserver is defined and apiserver_loadbalancer_domain_name is defined
- name: Hosts | localhost ipv4 in hosts file
lineinfile:
dest: /etc/hosts
line: "127.0.0.1 localhost localhost.localdomain"
regexp: '^127.0.0.1.*$'
state: present
backup: yes
- name: Hosts | localhost ipv6 in hosts file
lineinfile:
dest: /etc/hosts
line: "::1 localhost6 localhost6.localdomain"
regexp: '^::1.*$'
state: present
backup: yes