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clean up /etc/hosts file if populate_inventory_to_hosts_file is false #10144

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merged 2 commits into from
Aug 16, 2023
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clean up /etc/hosts file if populate_inventory_to_hosts_file is false #10144

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04a3b67
de-populate hosts file if populate_inventory_to_hosts_file is false
rptaylor May 27, 2023
5739db5
fix when condition
rptaylor Aug 14, 2023
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49 changes: 23 additions & 26 deletions roles/kubernetes/preinstall/tasks/0090-etchosts.yml
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Original file line number Diff line number Diff line change
@@ -1,32 +1,29 @@
---
- name: Hosts | update inventory in hosts file
when: populate_inventory_to_hosts_file
block:
- name: Hosts | create list from inventory
set_fact:
etc_hosts_inventory_block: |-
{% for item in (groups['k8s_cluster'] + groups['etcd'] | default([]) + groups['calico_rr'] | default([])) | unique -%}
{% if 'access_ip' in hostvars[item] or 'ip' in hostvars[item] or 'ansible_default_ipv4' in hostvars[item] -%}
{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item]['ansible_default_ipv4']['address'])) }}
{%- if ('ansible_hostname' in hostvars[item] and item != hostvars[item]['ansible_hostname']) %} {{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }} {{ hostvars[item]['ansible_hostname'] }} {% else %} {{ item }}.{{ dns_domain }} {{ item }} {% endif %}
- name: Hosts | create hosts list from inventory
set_fact:
etc_hosts_inventory_block: |-
{% for item in (groups['k8s_cluster'] + groups['etcd'] | default([]) + groups['calico_rr'] | default([])) | unique -%}
{% if 'access_ip' in hostvars[item] or 'ip' in hostvars[item] or 'ansible_default_ipv4' in hostvars[item] -%}
{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item]['ansible_default_ipv4']['address'])) }}
{%- if ('ansible_hostname' in hostvars[item] and item != hostvars[item]['ansible_hostname']) %} {{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }} {{ hostvars[item]['ansible_hostname'] }} {% else %} {{ item }}.{{ dns_domain }} {{ item }} {% endif %}

{% endif %}
{% endfor %}
delegate_to: localhost
connection: local
delegate_facts: yes
run_once: yes
{% endif %}
{% endfor %}
delegate_to: localhost
connection: local
delegate_facts: yes
run_once: yes

- name: Hosts | populate inventory into hosts file
blockinfile:
path: /etc/hosts
block: "{{ hostvars.localhost.etc_hosts_inventory_block }}"
state: present
create: yes
backup: yes
unsafe_writes: yes
marker: "# Ansible inventory hosts {mark}"
mode: 0644
- name: Hosts | populate inventory into hosts file
blockinfile:
path: /etc/hosts
block: "{{ hostvars.localhost.etc_hosts_inventory_block }}"
state: "{{ 'present' if populate_inventory_to_hosts_file else 'absent' }}"
create: yes
backup: yes
unsafe_writes: yes
marker: "# Ansible inventory hosts {mark}"
mode: 0644
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- name: Hosts | populate kubernetes loadbalancer address into hosts file
lineinfile:
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