Refine backup script

backup_docker.sh

@@ -0,0 +1,74 @@
+#!/bin/sh
+
+# Check if container name is provided
+if [ -z "$1" ]; then
+    echo "Usage: $0 <container_name> [--exclude=<DIR_NAME>]"
+    echo "Example: $0 immich"
+    echo "Example: $0 immich --exclude=immich/nasphoto"
+    exit 1
+fi
+
+DOCKER_DIR="/DATA01/dockers"
+CONTAINER_NAME="$1"
+CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
+EXCLUDE_OPTION=""
+
+# Parse exclude option if provided
+if [ -n "$2" ]; then
+    case "$2" in
+        --exclude=*)
+            EXCLUDE_DIR="${2#--exclude=}"
+            EXCLUDE_OPTION="--exclude $EXCLUDE_DIR"
+            ;;
+        *)
+            echo "錯誤: 無效的參數: $2"
+            echo "Usage: $0 <container_name> [--exclude=<DIR_NAME>]"
+            exit 1
+            ;;
+    esac
+fi
+
+# Check if container directory exists
+if [ ! -d "$CONTAINER_DIR" ]; then
+    echo "錯誤: 容器目錄不存在: $CONTAINER_DIR"
+    echo "無法備份一個目錄不存在的 docker"
+    exit 1
+fi
+
+echo "$(date +'%F %R:%S'): Backup start."
+SAVE_PATH="/nas/Backup/backup_docker/$CONTAINER_NAME/files"
+NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
+BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
+BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
+BACKUP_CMD="sudo tar -cv $EXCLUDE_OPTION -f $BACKUP_FILENAME $CONTAINER_NAME"
+
+echo "DOCKER_DIR:       $DOCKER_DIR"
+echo "CONTAINER_DIR:    $CONTAINER_DIR"
+echo "SAVE_PATH:        $SAVE_PATH"
+echo "NOW_DATETIME:     $NOW_DATETIME"
+echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
+echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
+echo "BACKUP_CMD:       $BACKUP_CMD"
+echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
+echo pwd=$(pwd)
+
+mkdir -p $SAVE_PATH
+
+## Clean up old backups before creating new one, keep only the newest 4 files
+echo "$(date +'%F %R:%S'): Cleaning up old backups before backup..."
+/home/awin/scripts/newestN.sh -d="$SAVE_PATH" -n=4 --confirm=0
+
+sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
+cd $DOCKER_DIR
+$BACKUP_CMD
+sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
+
+## Move BACKUP_FILENAME to BACKUP_FILE_PATH
+echo "rsync -avh --progress $BACKUP_FILENAME $SAVE_PATH"
+rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
+
+## Delete local backup file
+echo "rm $BACKUP_FILENAME"
+rm -f $BACKUP_FILENAME
+
+echo "$(date +'%F %R:%S'): Backup finished."