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 +1,65 @@
+#!/bin/sh
+set -eu
+
+PROJECT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+cd "$PROJECT_DIR"
+
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <backup-file>"
+    echo "Example: $0 backups/mineseeker-postgres.2026-08-18.120000.dump"
+    exit 1
+fi
+
+BACKUP_FILE=$1
+if [ ! -f "$BACKUP_FILE" ]; then
+    echo "Error: Backup file not found: $BACKUP_FILE"
+    exit 1
+fi
+
+CONTAINER_ID=$(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 "$CONTAINER_ID" --format '{{range .Config.Env}}{{println .}}{{end}}' | sed -n 's/^POSTGRES_USER=//p')
+if [ -z "$DB_USER" ]; then
+    echo "Error: Could not read POSTGRES_USER from the db service."
+    exit 1
+fi
+
+echo "Verifying PostgreSQL archive..."
+docker exec -i "$CONTAINER_ID" pg_restore --list < "$BACKUP_FILE" > /dev/null
+echo "Archive OK."
+
+printf 'WARNING: This replaces the current MineSeeker database. Type yes to continue: '
+read -r CONFIRM
+if [ "$CONFIRM" != 'yes' ]; then
+    echo "Aborted."
+    exit 1
+fi
+
+APP_WAS_RUNNING=0
+SCHEDULER_WAS_RUNNING=0
+[ -n "$(docker compose ps -q app)" ] && APP_WAS_RUNNING=1
+[ -n "$(docker compose ps -q scheduler)" ] && SCHEDULER_WAS_RUNNING=1
+
+restart_services() {
+    [ "$APP_WAS_RUNNING" -eq 1 ] && docker compose start app || true
+    [ "$SCHEDULER_WAS_RUNNING" -eq 1 ] && docker compose start scheduler || true
+}
+trap restart_services EXIT
+
+echo "Stopping MineSeeker services that use PostgreSQL..."
+docker compose stop app scheduler
+
+echo "Restoring PostgreSQL backup: $BACKUP_FILE"
+docker exec -i "$CONTAINER_ID" pg_restore \
+    --username="$DB_USER" \
+    --dbname=postgres \
+    --clean \
+    --create \
+    --if-exists \
+    --exit-on-error < "$BACKUP_FILE"
+
+echo "Restore complete."