Ansible Role: lvs-snapshot

Installs a cronjob which creates a snapshot of a Logical Volume (using Logical Volume Manager). In addition, all running Docker container will be paused while the snapshot is taken.

Requirements

You need LVM and Docker installed on your system. This role will not install it for you (yet).

Role Variables

Available variables are listed below, along with default values (see defaults/main.yml):

lvssnap_creation_time: []

Dictionary which accepts hour and minute when to take the snapshot.

lvssnap_deletion_time: []

Dictionary which accepts hour and minute when to delete the snapshot.

lvssnap_lv_device: ""

Path to the LV device to snapshot.

lvssnap_snapshot_device: ""

Path to the snapshot LV device to create.

lvssnap_snapshot_mountpoint: ""

Path where to mount the snapshot to.

Dependencies

None.

Example Playbook

- hosts: servers
  become: yes
  vars:
    lvssnap_creation_time:
      hour: 21
      minute: 50
    lvssnap_deletion_time:
      hour: 4
      minute: 0
    lvssnap_lv_device: /dev/data/docker
    lvssnap_snapshot_device: /dev/data/docker_snap
    lvssnap_snapshot_mountpoint: /media/docker_snap
  roles:
    - role: mimacom.lvs-snapshot

License

Apache License 2.0

Author Information

This role was created by Remo Wenger of mimacom ag.