99 lines
3.5 KiB
YAML
99 lines
3.5 KiB
YAML
---
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# Copyright 2016, Logan Vig <logan2211@gmail.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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- name: Install unbound DNS resolvers
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hosts:
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- unbound_all
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gather_facts: "{{ gather_facts | default(True) }}"
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user: root
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pre_tasks:
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- include: common-tasks/set-upper-constraints.yml
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roles:
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- role: "unbound"
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tags:
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- unbound_server
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- role: "system_crontab_coordination"
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tags:
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- "system-crontab-coordination"
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vars_files:
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- defaults/repo_packages/openstack_services.yml
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vars:
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is_metal: "{{ properties.is_metal|default(false) }}"
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- name: Install unbound DNS resolver client configurations
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hosts:
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- "!unbound_all"
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- all
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user: root
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pre_tasks:
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#gather a list of physical_hosts containing unbound containers
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- name: Set unbound physical hosts fact
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set_fact:
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unbound_physical_hosts: >
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{% set _var = [] -%}
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{% for i in groups[resolvconf_resolver_group] -%}
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{% if hostvars[i]['physical_host'] is defined -%}
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{% if _var.append(hostvars[i]['physical_host']) -%}{% endif -%}
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{% endif -%}
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{% endfor -%}
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{{ _var }}
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when: resolvconf_enabled | bool
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#create a sorted resolver list with affinity toward unbound container(s)
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#on the same physical_host
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- name: Apply resolver sorting
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set_fact:
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resolver_list: >
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{% set _var = [] -%}
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{% for i in groups[resolvconf_resolver_group] -%}
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{% if physical_host is defined
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and hostvars[i]['physical_host'] is defined
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and physical_host == hostvars[i]['physical_host'] -%}
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{% if _var.append(dict(host=hostvars[i]['ansible_ssh_host'], priority=100)) -%}{% endif -%}
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{% else -%}
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{% if _var.append(dict(host=hostvars[i]['ansible_ssh_host'], priority=50)) -%}{% endif -%}
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{% endif -%}
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{% endfor -%}
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{{ _var }}
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when:
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- resolvconf_enabled | bool
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- physical_host is defined
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- physical_host in unbound_physical_hosts
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- name: Set resolver IP list fact
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set_fact:
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resolvconf_resolver_ips: "{{ resolver_list | sort(reverse=true, attribute='priority') | map(attribute='host') | list }}"
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resolvconf_options:
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- 'timeout:1'
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when:
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- resolvconf_enabled | bool
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- resolver_list is defined
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- resolver_list | length > 0
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#rotate is only used when no physical_host affinity is defined
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- name: Set resolver rotate when physical_host is not an unbound host
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set_fact:
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resolvconf_options:
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- 'timeout:1'
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- 'rotate'
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when:
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- resolvconf_enabled | bool
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- resolver_list is not defined
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roles:
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- role: "resolvconf"
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when: resolvconf_enabled | bool
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tags:
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- unbound_client
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vars:
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#Only run the resolvconf role when DNS containers are deployed to the env.
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resolvconf_enabled: "{{ groups['unbound_all'] is defined and groups['unbound_all'] | length > 0 }}"
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