Move to backup timers instead of cronjobs, lay groundwork for backing up personal systems

inventory/group_vars/gameservers.yml

@@ -1,5 +1,5 @@
 #!/usr/bin/ansible-playbook
 # vim:ft=ansible:
-backups_hour: "*/6"
+backups_frequency: 6h
 mcheapmax: 4096
 mcheapmin: 1024

inventory/group_vars/home.yml

@@ -1,3 +1,5 @@
 #!/usr/bin/ansible-playbook
 # vim:ft=ansible:
-ansible_pull_frequency: "8h"
+ansible_pull_frequency: 8h
+backups_frequency: 7d
+aws_backup_bucket: "9iron-backups-home"

roles/backups/defaults/main.yml

@@ -1,4 +1,5 @@
 #!/usr/bin/ansible-playbook
 # vim:ft=ansible:
 backups_outdir: "/opt/backups/out"
-backups_hour: "2"
+backups_boot_delay: 1h
+backups_frequency: 24h

roles/backups/handlers/main.yml

@@ -0,0 +1,10 @@
+#!/usr/bin/ansible-playbook
+# vim:ft=ansible:
+---
+- name: restart backups timer
+  systemd:
+    daemon_reload: yes
+    name: 9iron-backup.timer
+    enabled: yes
+    state: restarted
+  become: yes

roles/backups/tasks/main.yml

@@ -22,10 +22,24 @@
         src: "backup.sh"
         dest: "/opt/backups/backup.sh"
         mode: "0700"
-    - name: Set backup cronjob
+    - name: Template out services
+      template:
+        src: "{{ item.src }}"
+        dest: "{{ item.dest }}"
+        mode: "{{ item.mode }}"
+      loop:
+        - { src: "9iron-backup.service", dest: "/etc/systemd/system/9iron-backup.service", mode: "0644" }
+        - { src: "9iron-backup.timer", dest: "/etc/systemd/system/9iron-backup.timer", mode: "0644" }
+      notify: restart backups timer
+    - name: Enable timer
+      systemd:
+        daemon_reload: yes
+        name: 9iron-backup.timer
+        enabled: yes
+        state: started
+      notify: restart backups timer
+    - name: Remove legacy cronjob
       cron:
-        minute: "0"
-        hour: "{{ backups_hour }}"
+        state: absent
         name: ansible-backup
-        job: "/opt/backups/backup.sh >> /backups/backups.log 2>&1"
   become: yes

roles/backups/templates/9iron-backup.service

@@ -0,0 +1,10 @@
+# vim:ft=dosini:
+[Unit]
+Description=9iron backup service
+
+[Service]
+Type=oneshot
+ExecStart=/opt/backpus/backup.sh
+
+[Install]
+WantedBy=multi-user.target

roles/backups/templates/9iron-backup.timer

@@ -0,0 +1,11 @@
+# vim:ft=dosini:
+[Unit]
+Description=9iron backup timer
+
+[Timer]
+Persistent=true
+OnBootSec={{ backups_boot_delay }}
+OnUnitActiveSec={{ backups_frequency }}
+
+[Install]
+WantedBy=timers.target