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same work with less lines

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This commit is contained in:
Erwan Miran 2018-08-24 14:06:07 +02:00
parent a7b0c454db
commit 1432e511a2
2 changed files with 18 additions and 28 deletions
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14
roles/kubernetes/preinstall/defaults/main.yml
View file

@ -34,7 +34,15 @@ preinstall_selinux_state: permissive
sysctl_file_path: "/etc/sysctl.d/99-sysctl.conf"
etc_hosts_filter:
etc_hosts_localhost_entries:
127.0.0.1:
expected:
- localhost
- localhost.localdomain
::1:
- localhost
- localhost.localdomain
expected:
- localhost6
- localhost6.localdomain
unexpected:
- localhost
- localhost.localdomain

32
roles/kubernetes/preinstall/tasks/etchosts.yml
View file

@ -29,38 +29,20 @@
- name: Hosts | Extract existing entries for localhost from hosts file
set_fact:
entry: "{{ item | regex_replace('[ ]+', ' ')|regex_replace('#.+$')|trim }}"
etc_hosts_localhosts_dict: >-
{%- set splitted = (item | regex_replace('[ ]+', ' ')|regex_replace('#.+$')|trim).split( ' ') -%}
{{ etc_hosts_localhosts_dict|default({}) | combine({splitted[0]: splitted[1::] }) }}
with_items: "{{ (etc_hosts_content['content'] | b64decode).split('\n') }}"
register: etc_hosts_localhosts
when:
- etc_hosts_content.content is defined
- (item|match('^::1 .*') or item|match('^127.0.0.1 .*'))
- name: Hosts | Convert extract entries for localhost as dict
set_fact:
etc_hosts_localhosts_dict: >-
{% set splitted = item.split(' ') %}{{ etc_hosts_localhosts_dict|default({}) | combine({splitted[0]: splitted[1::] }) }}
with_items: "{{ etc_hosts_localhosts.results | selectattr('ansible_facts', 'defined') | map(attribute='ansible_facts.entry') | list }}"
- name: Hosts | Initiate target hosts file entries dict and filter unwanted values
set_fact:
etc_hosts_localhosts_dict_target: >-
{%- set target_entries = [] -%}
{%- for entry in item.value -%}
{%- if entry not in etc_hosts_filter.get(item.key,[]) -%}
{%- set DO = target_entries.append(entry) -%}
{%- endif -%}
{%- endfor -%}
{{ etc_hosts_localhosts_dict_target|default({}) | combine({item.key: target_entries}) }}
with_dict: "{{etc_hosts_localhosts_dict}}"
- etc_hosts_localhost_entries.keys()|map('regex_replace', '(.*)', '^\\1 .*') | map('match', item) | list | length > 0
- name: Hosts | Update target hosts file entries dict with required entries
set_fact:
etc_hosts_localhosts_dict_target: >-
{{ etc_hosts_localhosts_dict_target|default({}) | combine({item.ip: (etc_hosts_localhosts_dict_target[item.ip]|default([]) + item.entries)|unique}) }}
with_items:
- {ip: '127.0.0.1', entries: ['localhost', 'localhost.localdomain']}
- {ip: '::1', entries: ['localhost6', 'localhost6.localdomain']}
{%- set target_entries = etc_hosts_localhosts_dict.get(item.key, []) | difference(item.value.get('unexpected' ,[])) -%}
{{ etc_hosts_localhosts_dict_target|default({}) | combine({item.key: (target_entries + item.value.expected)|unique}) }}
with_dict: "{{ etc_hosts_localhost_entries }}"
- name: Hosts | Update (if necessary) hosts file
lineinfile: