add NodeJS and script/dump.js for Database Dump, this for Full Datebase Backup use

Dockerfile

@@ -6,7 +6,7 @@ RUN unzip rclone-current-linux-amd64.zip && mv rclone-*-linux-amd64/rclone /bin/
 
 FROM restic/restic:0.16.0
 
-RUN apk add --update --no-cache curl mailx
+RUN apk add --update --no-cache curl mailx nodejs npm
 
 COPY --from=rclone /bin/rclone /bin/rclone
 
@@ -36,6 +36,16 @@ ENV OS_REGION_NAME=""
 ENV OS_INTERFACE=""
 ENV OS_IDENTITY_API_VERSION=3
 
+ENV DATABASE_TYPE=""
+ENV DATABASE_HOST=""
+ENV DATABASE_PORT=""
+ENV DATABASE_USER=""
+ENV DATABASE_PASSWORD=""
+ENV DATABASE_NAME=""
+ENV DATABASE_BACKUP_TIME="0-23"
+
+ENV TZ="Asia/Shanghai"
+
 # openshift fix
 RUN mkdir /.cache && \
     chgrp -R 0 /.cache && \
@@ -54,5 +64,14 @@ COPY backup.sh /bin/backup
 COPY check.sh /bin/check
 COPY entry.sh /entry.sh
 
+RUN mkdir /script && \
+    chgrp -R 0 /script && \
+    chmod -R g=u /script 
+COPY package.json /script/package.json
+COPY dump.js /script/dump.js
+RUN chmod u+x /script/*
+RUN cd /script && \
+    npm install
+
 ENTRYPOINT ["/entry.sh"]
 CMD ["tail","-fn0","/var/log/cron.log"]

README.md

@@ -142,6 +142,15 @@ The container is set up by setting [environment variables](https://docs.docker.c
 * `OS_REGION_NAME` - Optional. When using restic with OpenStack Swift container.
 * `OS_INTERFACE` - Optional. When using restic with OpenStack Swift container.
 * `OS_IDENTITY_API_VERSION` - Optional. When using restic with OpenStack Swift container.
+
+NEW Env For Database Dump
+* `DATABASE_TYPE` - Optional. Specify the database type (mongo/mongodb/mysql/pg/postgres/postgresql). Specifying this option will enable the database backup function.
+* `DATABASE_BACKUP_TIME` - Optional. Database backup is automatically enabled within the specified time range (default 0-23)
+* `DATABASE_HOST` - Optional. Database host address
+* `DATABASE_PORT` - Optional. Database host port (if not specified, it will automatically follow the default port value of the database type)
+* `DATABASE_NAME` - Optional. Database name, Supports specifying multiple database names separated by ','. If not specified all database tables (except system tables) are used by default. Database type **mysql** AND **postgresql** MUST set. 
+* `DATABASE_USER` - Optional. Database Username
+* `DATABASE_PASSWORD` - Optional. Database password
 
 ## Volumes
 

backup.sh

@@ -12,13 +12,50 @@ logLast() {
   echo "$1" >> ${lastLogfile}
 }
 
+backupDatebase(){
+  echo ""
+  echo "### Start ${DATABASE_TYPE} Dump ###"
+  echo "Backup Datebase: ${DATABASE_TYPE}"
+  # 检查 dump 目录是否存在，如果存在则删除
+  if [ -d "/script/dump" ]; then
+      rm -rf /script/dump
+  fi
+  mkdir /script/dump
+  # 运行 dump 脚本
+  cd /script
+  npm run dump
+  # 检查 /script/dump 目录下是否为空，不为空则复制 dump 数据到
+  if [ "$(ls -A /script/dump)" ]; then
+      # 检查 /data/dump 目录存在，自动删除旧备份；如果不存在则创建 dump 目录
+      if [ -d "/data/dump" ]; then
+        rm -rf /data/dump/*
+      else
+        mkdir /data/dump
+      fi
+      # 复制最新的备份
+      cp -r /script/dump /data/
+      echo ""
+      echo "MongoDB Dump List:"
+      ls -l /data/dump
+  else
+      echo "./dump Folder Empty, ${DATABASE_TYPE} Dump Fail."
+  fi
+  echo "### End ${DATABASE_TYPE} Dump ###"
+  echo ""
+}
+
 if [ -f "/hooks/pre-backup.sh" ]; then
     echo "Starting pre-backup script ..."
     /hooks/pre-backup.sh
 else
     echo "Pre-backup script not found ..."
 fi
 
+# Dump Datebase
+if [ -n "${DATABASE_TYPE}" ]; then
+    backupDatebase
+fi
+
 start=`date +%s`
 rm -f ${lastLogfile} ${lastMailLogfile}
 echo "Starting Backup at $(date +"%Y-%m-%d %H:%M:%S")"