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---
- name: Install docker
package:
name: 'docker-ce'
state: present
notify:
- Restart Docker
- name: Install docker python module
package:
name: 'python2-docker'
state: present
- name: Install python jsonpointer module
package:
name: 'python-jsonpointer'
state: present
- name: Ensure /etc/docker exists
file:
path: /etc/docker
state: directory
- name: Setup docker container logging settings
json_mod:
path: /etc/docker/daemon.json
key: '' # the whole JSON document per https://tools.ietf.org/html/rfc6901
# "value" must be wrapped in single quote "'" with extra space in front of "{" (ansible workaround)
# reference: https://stackoverflow.com/questions/31969872
value: ' { "log-driver": "json-file", "log-opts": { "max-size": "{{ docker.log_max_size }}", "max-file": "{{ docker.log_max_file }}" } }'
- name: Setup docker dns settings
json_mod:
path: /etc/docker/daemon.json
key: dns
# "value" must be wrapped in single quote "'" with extra space in front of "[" (ansible workaround)
# reference: https://stackoverflow.com/questions/31969872
value: ' [ "{{ hostvars[groups.infrastructure[0]].cluster_ip }}" ]'
notify:
- Restart Docker
- name: Force notified handlers to run at this point
meta: flush_handlers
- name: Ensure docker is started
systemd:
name: docker
state: started
enabled: true
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