chg: pkg: add backup/restore scripts #15

2026-08-18 17:41:43 +02:00
parent 2be49ebdf1
commit 558c8a3bad
9 changed files with 758 additions and 547 deletions
@@ -0,0 +1,41 @@
+#!/bin/sh
+set -eu
+
+PROJECT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+cd "$PROJECT_DIR"
+
+CONTAINER_ID=$(docker compose ps -q db)
+if [ -z "$CONTAINER_ID" ]; then
+    echo "Error: The MineSeeker PostgreSQL service is not running."
+    exit 1
+fi
+
+DB_USER=$(docker inspect "$CONTAINER_ID" --format '{{range .Config.Env}}{{println .}}{{end}}' | sed -n 's/^POSTGRES_USER=//p')
+DB_NAME=$(docker inspect "$CONTAINER_ID" --format '{{range .Config.Env}}{{println .}}{{end}}' | sed -n 's/^POSTGRES_DB=//p')
+
+if [ -z "$DB_USER" ] || [ -z "$DB_NAME" ]; then
+    echo "Error: Could not read PostgreSQL credentials from the db service."
+    exit 1
+fi
+
+BACKUP_DIR=${1:-"$PROJECT_DIR/backups"}
+mkdir -p "$BACKUP_DIR"
+BACKUP_DIR=$(CDPATH= cd -- "$BACKUP_DIR" && pwd)
+TIMESTAMP=$(date +%Y-%m-%d.%H%M%S)
+BACKUP_FILE="mineseeker-postgres.${TIMESTAMP}.dump"
+BACKUP_PATH="$BACKUP_DIR/$BACKUP_FILE"
+TEMP_PATH="$BACKUP_PATH.tmp"
+
+umask 077
+trap 'rm -f "$TEMP_PATH"' EXIT
+
+echo "Creating PostgreSQL backup: $BACKUP_PATH"
+docker exec "$CONTAINER_ID" pg_dump \
+    --username="$DB_USER" \
+    --format=custom \
+    --create \
+    "$DB_NAME" > "$TEMP_PATH"
+
+mv "$TEMP_PATH" "$BACKUP_PATH"
+trap - EXIT
+echo "Backup complete: $BACKUP_PATH"