openstack-ansible-openstack.../tasks/openstack_update_hosts_file...

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YAML

---
# Copyright 2014, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
- name: Generate hosts file records
run_once: true
set_fact:
_etc_hosts_content: |-
{% set records = [] %}
{% for item in groups['all'] %}
{% set record = [] %}
{% set _target_rfc_name = item|replace('_', '-') %}
{% set _ans_hostname = hostvars[item]['ansible_hostname'] | default(_target_rfc_name) %}
{% set _ = record.append(hostvars[item]['ansible_host'] | default('127.0.0.1')) %}
{% set _ = record.append(_ans_hostname ~ '.' ~ openstack_domain) %}
{% set _ = record.append(_target_rfc_name) %}
{% if (_ans_hostname != _target_rfc_name) and (_target_rfc_name != item) %}
{% set _ = record.append(item) %}
{% set _ = record.append(_ans_hostname) %}
{% elif (_ans_hostname != _target_rfc_name) and (_target_rfc_name == item) %}
{% set _ = record.append(_ans_hostname) %}
{% elif (_ans_hostname == _target_rfc_name) and (_target_rfc_name != item) %}
{% set _ = record.append(item) %}
{% endif %}
{% set _ = records.append(record | join(' ')) %}
{% endfor %}
{{ records }}
- name: Update hosts file
blockinfile:
dest: /etc/hosts
block: "{{ _etc_hosts_content | join('\n') }}"
marker: "### {mark} OPENSTACK-ANSIBLE MANAGED BLOCK ###"