Add snapper

roles/ariane/handlers/main.yml

@@ -10,3 +10,6 @@
   - zfs-mount
   - zfs-share
   listen: zfs restart
+
+- name: snapper - reload fstab
+  command: mount -a

roles/ariane/tasks/main.yml

@@ -26,3 +26,7 @@
 - include_tasks: lxc-betam.yml
   when: ariane_lxc
   tags: ['ariane_lxc', 'lxc']
+
+- include_tasks: snapper.yml
+  when: ariane_snapper
+  tags: ['ariane_snapper', 'snapper']

roles/ariane/tasks/snapper.yml

@@ -0,0 +1,19 @@
+---
+- name: snapper - install snapper
+  apt: name=snapper
+
+- name: snapper - create-config
+  command: snapper create-config /
+  args:
+    creates: /etc/snapper/configs/root
+
+- name: snapper - get rootfs blkid
+  shell: "blkid -s UUID|grep `mount|grep '/ '|cut -d' ' -f1`|cut -d' ' -f 2"
+  register: snapper_blkid
+  changed_when: False
+
+- name: snapper - /etc/fstab
+  lineinfile:
+    dest: /etc/fstab
+    line: "{{ snapper_blkid.stdout_lines[0] }} /.snapshots btrfs subvol=.snapshots 0 1"
+  notify: snapper - reload fstab

roles/ariane/tasks/zfs.yml

@@ -14,6 +14,7 @@
 - name: zfs - zfs-auto-snapshot find cron files
   shell: find /etc/cron* -type f -name zfs-auto-snapshot
   register: snapshot_cron
+  changed_when: False
 
 - name: ddd
   debug: var=snapshot_cron.stdout_lines