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linux_script/backup_docker.sh
2026-02-01 23:27:21 +08:00

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#!/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."