ntfy: integrate notifications into backup script

nas.yml

@@ -7,13 +7,6 @@
     - common
   tags: base
 
-- hosts: nas
-  become: yes
-  roles:
-    - ntfy
-    - ntfy-server
-  tags: ntfy
-
 - name: Configure BTRFS RAID
   hosts: nas
   become: yes
@@ -21,6 +14,13 @@
     - raid
   tags: raid
 
+- hosts: nas
+  become: yes
+  roles:
+    - ntfy
+    - ntfy-server
+  tags: ntfy
+
 - name: Set up Samba
   hosts: nas
   become: yes

roles/restic/templates/backup-all.sh.j2

@@ -8,10 +8,36 @@
 export RESTIC_REPOSITORY='rest:http://{{ groups['nas'][0] }}:8000/backups'
 export RESTIC_PASSWORD_FILE='/etc/backups/restic_backups_passwd'
 
+log_file='/tmp/backup-all.sh.log'
+
+rm -f "$log_file"
+
 for script in $(find /etc/backups -name '*.backup.sh'); do
+    T="$(date +%s)"
+
     /usr/bin/bash "$script"
+
+    res="$?"
+    T="$(($(date +%s)-T))"
+
+    if [[ $res == 0 ]]; then
+        header='OK'
+    else
+        header="FAIL ($res)"
+    fi
+
+    printf \
+        "%s: %s in %02dh%02dm%02ds\n" \
+        "$(basename "$script")" "$header" \
+        "$((T/3600%24))" "$((T/60%60))" "$((T%60))" \
+        >> "$log_file"
 done
 
 # Prune older backups
 /usr/local/bin/restic forget --keep-last 7 && \
     /usr/local/bin/restic prune
+
+# Send status notification
+ntfy publish \
+    --title "Backups ($(hostname))" \
+    homelab "$(cat "$log_file")"