51 lines
1.5 KiB
Bash
51 lines
1.5 KiB
Bash
#!/bin/sh
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# === Postgres Auto Backup Script ===
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# Description: Finds all Postgres containers and runs pg_dumpall.
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# Author: Calahil Studios
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# === CONFIGURATION ===
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BACKUP_DIR="/backups/postgres"
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KNOWN_IMAGES="
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postgres:17.0-alpine \
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postgres:17 \
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postgres \
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lscr.io/linuxserver/postgres \
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postgres:14.0-alpine \
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ghcr.io/immich-app/postgres:14-vectorchord0.4.3-pgvectors0.2.0
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"
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echo "[INFO] Starting PostgreSQL backup service..."
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mkdir -p "$BACKUP_DIR"
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while true; do
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TIMESTAMP=$(date +'%Y-%m-%d_%H-%M-%S')
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echo "[INFO] Starting backup at $TIMESTAMP"
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echo "[INFO] Checking for Postgres containers..."
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# === FIND MATCHING CONTAINERS ===
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for container in $(docker ps --format "{{.ID}} {{.Image}}" | while read -r ID IMAGE; do
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for pattern in $KNOWN_IMAGES; do
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case "$IMAGE" in
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*"$pattern"*)
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echo "$ID"
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break
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;;
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esac
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done
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done) do
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NAME=$(docker inspect --format '{{.Name}}' "$container" | sed 's#^/##')
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mkdir -p "$BACKUP_DIR}/${NAME}"
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FILE="$BACKUP_DIR/${NAME}/${TIMESTAMP}.sql"
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echo "[INFO] Backing up container: $NAME ($container)"
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if docker exec "$container" pg_dumpall -U postgres >"$FILE" 2>/tmp/pg_backup_error.log; then
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echo "[SUCCESS] Backup complete for $NAME -> $FILE"
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else
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echo "[ERROR] Backup failed for $NAME (check /tmp/pg_backup_error.log)"
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fi
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done
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echo "[INFO] All backups done."
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echo "[INFO] Sleeping for ${INTERVAL_HOURS} hours..."
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sleep "${INTERVAL_HOURS}h"
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done
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