kayobe/ansible/roles/docker/tasks/storage.yml
Mark Goddard fe6c6a3ac6 Support docker overlay storage driver
This is configured via docker_storage_driver.
2017-08-07 20:07:50 +00:00

53 lines
1.7 KiB
YAML

---
- name: Ensure the docker daemon is stopped
service:
name: docker
state: stopped
become: True
notify: restart docker service
- name: Ensure loopback storage state is absent
file:
path: "{{ item }}"
state: absent
with_items:
- "/var/lib/docker/devicemapper"
- "/var/lib/docker/images"
- "/var/lib/docker/containers"
become: True
- block:
- name: Ensure the docker storage data and metadata volumes exist
lvol:
vg: "{{ docker_storage_volume_group }}"
lv: "{{ item.name }}"
size: "{{ item.size }}"
shrink: no
state: present
with_items:
- name: "{{ docker_storage_volume_thinpool }}"
size: "{{ docker_storage_volume_thinpool_size }}"
- name: "{{ docker_storage_volume_thinpool_meta }}"
size: "{{ docker_storage_volume_thinpool_meta_size }}"
become: True
- name: Ensure the docker storage volume is converted to a thinpool
command: >
lvconvert -y --zero n -c 512K
--thinpool {{ docker_storage_volume_group }}/{{ docker_storage_volume_thinpool }}
--poolmetadata {{ docker_storage_volume_group }}/{{ docker_storage_volume_thinpool_meta }}
become: True
- name: Ensure the docker storage metadata profile exists
template:
src: docker-thinpool.profile.j2
dest: /etc/lvm/profile/docker-thinpool.profile
become: True
- name: Ensure the docker storage metadata profile is applied
command: >
lvchange --metadataprofile docker-thinpool
{{ docker_storage_volume_group }}/{{ docker_storage_volume_thinpool }}
become: True
when: docker_storage_driver == 'devicemapper'