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added the official docker cli
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-switched to user 1000 for security.
-added user to docker group
-properly mounted btrfs drive on host allows users to create snapshots
This commit is contained in:
Chris Cowan
2025-10-22 16:44:48 -07:00
parent 2e2211b26e
commit 733f5e2504
7 changed files with 139 additions and 76 deletions
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17
backup.sh
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@@ -4,7 +4,6 @@
# Author: Calahil Studios
# === CONFIGURATION ===
LOG_FILE="$1"
BACKUP_DIR="/backups/postgres_dumps"
RETENTION_DAYS="${RETENTION_DAYS:-7}" # Keep 7 days of backups
@@ -19,12 +18,12 @@ ghcr.io/immich-app/postgres:14-vectorchord0.4.3-pgvectors0.2.0
EOF
)
echo "[BACKUPBOT_INFO] Starting PostgreSQL backup service..." | tee -a "$LOG_FILE"
echo "[BACKUPBOT_INFO] Starting PostgreSQL backup service..."
mkdir -p "$BACKUP_DIR"
TIMESTAMP=$(date +'%Y-%m-%d_%H-%M-%S')
echo "[BACKUPBOT_INFO] $(date) - Starting backup cycle ($TIMESTAMP)" | tee -a "$LOG_FILE"
echo "[BACKUPBOT_INFO] Checking for running Postgres containers..." | tee -a "$LOG_FILE"
echo "[BACKUPBOT_INFO] $(date) - Starting backup cycle ($TIMESTAMP)"
echo "[BACKUPBOT_INFO] Checking for running Postgres containers..."
# Find running containers matching known image names
MATCHING_CONTAINERS=$(
@@ -41,7 +40,7 @@ MATCHING_CONTAINERS=$(
)
if [ -z "$MATCHING_CONTAINERS" ]; then
echo "[BACKUPBOT_WARN] No Postgres containers found." | tee -a "$LOG_FILE"
echo "[BACKUPBOT_WARN] No Postgres containers found."
else
for container in $MATCHING_CONTAINERS; do
NAME=$(docker inspect --format '{{.Name}}' "$container" | sed 's#^/##')
@@ -54,16 +53,16 @@ else
PG_USER=$(docker inspect --format '{{range .Config.Env}}{{println .}}{{end}}' "$container" | grep POSTGRES_USER | cut -d= -f2)
PG_PASS=$(docker inspect --format '{{range .Config.Env}}{{println .}}{{end}}' "$container" | grep POSTGRES_PASSWORD | cut -d= -f2)
if docker exec -e PGPASSWORD="$PG_PASS" "$container" pg_dumpall -U "$PG_USER" -h 127.0.0.1 >"$FILE" 2>/tmp/pg_backup_error.log; then
echo "[BACKUPBOT_SUCCESS] Backup complete for $NAME -> $FILE" | tee -a "$LOG_FILE"
echo "[BACKUPBOT_SUCCESS] Backup complete for $NAME -> $FILE"
else
echo "[BACKUPBOT_ERROR] Backup failed for $NAME (check /tmp/pg_backup_error.log)" | tee -a "$LOG_FILE"
echo "[BACKUPBOT_ERROR] Backup failed for $NAME (check /tmp/pg_backup_error.log)"
fi
# Retention cleanup
find "$CONTAINER_BACKUP_DIR" -type f -mtime +$RETENTION_DAYS -name '*.sql' -delete
done
fi
echo "[BACKUPBOT_INFO] Creating a snapshot of /srv/appdata" | tee -a "$LOG_FILE"
echo "[BACKUPBOT_INFO] Creating a snapshot of /srv/appdata"
btrfs subvolume snapshot -r /source/appdata /backups/snapshots/$(hostname)-$(date +%F)
echo "[BACKUPBOT_INFO] Backup cycle complete." | tee -a "$LOG_FILE"
echo "[BACKUPBOT_INFO] Backup cycle complete."