lots of stuff

playbooks/hetzner/hetznerSync.sh.j2

@@ -2,11 +2,22 @@
 
 set -euo pipefail
 
-now=$(date +"%Y%m%d%H%M")
+exec 9>/var/lock/hetznerSync.lock
+
+if ! flock -n 9
+then
+    echo "[$(date --rfc-3339=seconds)] offsite: another sync is still running, skipping this run"
+    exit 0
+fi
+
+source /opt/backup/metrics.sh
+
+metric_init offsite
+trap metric_guard EXIT
 
 if ! mountpoint -q {{ hetzner_raid_mount }}
 then
-    echo "[${now}] {{ hetzner_raid_mount }} not mounted, refusing to sync"
+    log "{{ hetzner_raid_mount }} not mounted, refusing to sync"
     exit 1
 fi
 
@@ -16,19 +27,17 @@ sync_path() {
 
     if [ -z "$(ls -A ${src} 2>/dev/null)" ]
     then
-        echo "[${now}] ${src} empty, refusing to sync"
+        log "${src} empty, refusing to sync"
         exit 1
     fi
 
-    echo "[${now}] syncing ${src} to ${dest}"
+    log "syncing ${src} to ${dest}"
     sudo -u {{ user }} rsync -a --delete --partial \
         -e "ssh -p {{ hetzner_port }} -i {{ user_home }}/.ssh/id_ed25519 -o UserKnownHostsFile={{ user_home }}/.ssh/known_hosts -o StrictHostKeyChecking=yes" \
         ${src}/ \
         {{ hetzner_user }}@{{ hetzner_host }}:${dest}/
 }
 
-echo "[${now}] offsite sync start"
 {% for path in hetzner_paths %}
 sync_path {{ path.src }} {{ path.dest }}
 {% endfor %}
-echo "[${now}] offsite sync done"