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reworked how it enters
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Chris Cowan
2025-10-19 23:34:23 -07:00
parent 7b8eecf20d
commit bbde15ddab
3 changed files with 61 additions and 66 deletions
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backup.sh
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@@ -5,8 +5,7 @@
# === CONFIGURATION ===
BACKUP_DIR="/backups/postgres_dumps"
INTERVAL_HOURS="${INTERVAL_HOURS:-24}" # Default to 24 hours if not set
RETENTION_DAYS="${RETENTION_DAYS:-7}" # Keep 7 days of backups
RETENTION_DAYS="${RETENTION_DAYS:-7}" # Keep 7 days of backups
# List of known image name patterns
KNOWN_IMAGES=$(
@@ -22,52 +21,48 @@ EOF
echo "[INFO] Starting PostgreSQL backup service..."
mkdir -p "$BACKUP_DIR"
while true; do
TIMESTAMP=$(date +'%Y-%m-%d_%H-%M-%S')
echo "[INFO] $(date) - Starting backup cycle ($TIMESTAMP)"
echo "[INFO] Checking for running Postgres containers..."
TIMESTAMP=$(date +'%Y-%m-%d_%H-%M-%S')
echo "[INFO] $(date) - Starting backup cycle ($TIMESTAMP)"
echo "[INFO] Checking for running Postgres containers..."
# Find running containers matching known image names
MATCHING_CONTAINERS=$(
docker ps --format "{{.ID}} {{.Image}}" | while read -r ID IMAGE; do
for pattern in $KNOWN_IMAGES; do
case "$IMAGE" in
*"$pattern"*)
echo "$ID"
break
;;
esac
done
# Find running containers matching known image names
MATCHING_CONTAINERS=$(
docker ps --format "{{.ID}} {{.Image}}" | while read -r ID IMAGE; do
for pattern in $KNOWN_IMAGES; do
case "$IMAGE" in
*"$pattern"*)
echo "$ID"
break
;;
esac
done
)
done
)
if [ -z "$MATCHING_CONTAINERS" ]; then
echo "[WARN] No Postgres containers found."
else
for container in $MATCHING_CONTAINERS; do
NAME=$(docker inspect --format '{{.Name}}' "$container" | sed 's#^/##')
CONTAINER_BACKUP_DIR="$BACKUP_DIR/$NAME"
FILE="$CONTAINER_BACKUP_DIR/${TIMESTAMP}.sql"
if [ -z "$MATCHING_CONTAINERS" ]; then
echo "[WARN] No Postgres containers found."
else
for container in $MATCHING_CONTAINERS; do
NAME=$(docker inspect --format '{{.Name}}' "$container" | sed 's#^/##')
CONTAINER_BACKUP_DIR="$BACKUP_DIR/$NAME"
FILE="$CONTAINER_BACKUP_DIR/${TIMESTAMP}.sql"
mkdir -p "$CONTAINER_BACKUP_DIR"
mkdir -p "$CONTAINER_BACKUP_DIR"
echo "[INFO] Backing up container: $NAME ($container)"
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 "[SUCCESS] Backup complete for $NAME -> $FILE"
else
echo "[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 "[INFO] Backing up container: $NAME ($container)"
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 "[SUCCESS] Backup complete for $NAME -> $FILE"
else
echo "[ERROR] Backup failed for $NAME (check /tmp/pg_backup_error.log)"
fi
# Retention cleanup
find "$CONTAINER_BACKUP_DIR" -type f -mtime +$RETENTION_DAYS -name '*.sql' -delete
done
fi
echo "[INFO] Creating a snapshot of /srv/appdata"
btrfs subvolume snapshot -r /source/appdata /backups/snapshots/$(hostname)-$(date +%F)
echo "[INFO] Creating a snapshot of /srv/appdata"
btrfs subvolume snapshot -r /source/appdata /backups/snapshots/$(hostname)-$(date +%F)
echo "[INFO] Backup cycle complete."
echo "[INFO] Sleeping for ${INTERVAL_HOURS}h..."
sleep "${INTERVAL_HOURS}h"
done
echo "[INFO] Backup cycle complete."