5fcc994f51
OpenDev Zuul CI hosts cache of docker containers on
{{ zuul_site_mirror_fqdn }} host. Set up docker on main VM to use it.
This change reduces time needed to run majority of our jobs by 1-3 min.
Change-Id: I6f7c88ff0e45fb48a0fa1369c6dc593f85cb7c3e
132 lines
3.3 KiB
YAML
132 lines
3.3 KiB
YAML
# 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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---
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- name: Ensuring docker and support packages are present
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become: yes
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package:
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name:
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- docker.io
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- runc
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update_cache: yes
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state: present
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- name: Ensure docker group exists
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group:
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name: docker
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state: present
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- name: Add user "{{ ansible_user }}" to docker group
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become: yes
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user:
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name: "{{ ansible_user }}"
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groups:
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- docker
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append: yes
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- name: Reset ssh connection to add docker group to user
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meta: reset_connection
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ignore_errors: true
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- block:
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- name: Create docker service directory
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file:
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path: /etc/systemd/system/docker.service.d/
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state: directory
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mode: '0755'
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- name: Configure proxy for docker service if enabled
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template:
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src: http-proxy-conf.j2
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dest: /etc/systemd/system/docker.service.d/http-proxy.conf
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when: proxy.enabled|bool == true
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become: yes
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- name: Create docker config directory
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file:
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path: "{{ docker_config_path }}"
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state: directory
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mode: '0755'
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become: yes
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- name: Debug zuul site mirror var
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debug:
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msg:
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- "zuul_site_mirror_fqdn: {{ zuul_site_mirror_fqdn | default('NONE') }}"
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ignore_errors: yes
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- name: Set docker_config variable
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set_fact:
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docker_config_file: "{{ docker_config_path }}/daemon.json"
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- name: Check if docker config file exists
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stat:
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path: "{{ docker_config_file }}"
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register: res
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# Avoid long if/then/else blocks here below, pretend that config exists
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- name: Create empty docker config if it doesn't exist
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copy:
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content: "{}"
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dest: "{{ docker_config_file }}"
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when: not res.stat.exists
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become: yes
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- name: Get current docker configuration
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command: "cat {{ docker_config_file }}"
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register: res
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- name: Get current docker configuration as json
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set_fact:
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default_docker_conf: "{{ res.stdout | from_json }}"
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- name: Debug current docker configuration
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debug:
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var: default_docker_conf
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- name: Merge default and custom configuration
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set_fact:
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merged_docker_config: "{{ default_docker_conf | combine(docker_config) }}"
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- name: Debug merged docker configuration
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debug:
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var: merged_docker_config
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- name: Add container images mirror configuration
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set_fact:
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merged_docker_config: "{{ merged_docker_config | combine({ 'registry-mirrors': [ 'http://' + zuul_site_mirror_fqdn + ':8082' ] })}}"
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when: zuul_site_mirror_fqdn is defined
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- name: Debug merged docker configuration
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debug:
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var: merged_docker_config
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- name: Save merged docker daemon configuration
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copy:
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content: "{{ merged_docker_config | to_nice_json }}"
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dest: "{{ docker_config_file }}"
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become: yes
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- name: Start docker
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become: yes
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systemd:
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name: docker
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state: restarted
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daemon_reload: yes
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enabled: true
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- name: Change group ownership on docker socket
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become: yes
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file:
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path: /var/run/docker.sock
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group: docker
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