Add some healthchecks integration to backup

ansible/roles/restic/tasks/files/backrest.sh

@@ -14,8 +14,11 @@ mkdir -p "$RESTIC_LOG_DIR"
 
 # Run backup, and capture logs to file
 cron_backup() {
+    curl -fsS -m 10 --retry 5 -o /dev/null {{ healthchecks_host }}/{{ healthchecks_id }}/start
     restic --verbose backup {{ restic_backup_locations|join(' ') }} | tee -a $RESTIC_LOG_FILE
     exit_code=${PIPESTATUS[0]}
+    curl -fsS -m 10 --retry 5 -o /dev/null {{ healthchecks_host }}/{{ healthchecks_id }}/$exit_code --data-binary "@$RESTIC_LOG_FILE"
+    rm $RESTIC_LOG_FILE
     echo "Exit code: $exit_code"
 }
 

ansible/roles/restic/vars/main.yml

@@ -24,3 +24,4 @@ restic_key: !vault |
   61303164333662353732656265386430383566343462633435626334373331316663363563616662
   66643135336539333738623231346331623464636637373639666435663961383936
 restic_b2_bucket: 0rng-restic
+healthchecks_host: https://hc-ping.com