feat(mysql): 添加数据库备份脚本

新增dbDump.sh脚本，用于自动化备份MySQL数据库或指定表。脚本支持全库备份和单表备份，并生成相应的日志和压缩文件，便于后续管理和恢复。

crontab/mysql/dbDump.sh

@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+# @author: cnphpbb@hotmail.com
+# @date: 2024-08-28
+# @desc: 备份数据库
+## 备份数据库
+
+## base
+TOYEAR=$(date "+%Y")
+TOMONTH=$(date "+%Y%m")
+TODATE=$(date "+%Y%m%d")
+NOWDATE=$(date "+%Y%m%d-%H%M%S")
+BACKDIR=/data/backup/db_backs # 备份目录 请按照实际情况修改
+TARLOGDIR=/data/backup/db_tar_logs # 备份日志目录 请按照实际情况修改
+DAYDIR=${BACKDIR}/${TOMONTH}/${TODATE}
+BACKLOGSDIR=${TARLOGDIR}/${TOMONTH}/logs/${TODATE}
+BACKTARDIR=${TARLOGDIR}/${TOMONTH}/db_tars
+LOGFILE=${BACKLOGSDIR}/db-Dump.${NOWDATE}.log
+BACKSQLFILE=""
+FileSize=0
+
+## cmd
+MYSQLDUMP='/usr/local/mysql/bin/mysqldump' # 请按照实际情况修改
+
+## mysql
+PARAS=' --set-gtid-purged=OFF --single-transaction --triggers --routines --events '
+USERNAME=${MYSQL_USER}
+PASSWORD=${MYSQL_PASS}
+HOST=${MYSQL_HOST}
+
+###
+if [ ! -d "${BACKLOGSDIR}" ]; then
+    mkdir -p ${BACKLOGSDIR}
+fi
+
+if [ ! -d "${BACKTARDIR}" ]; then
+    mkdir -p ${BACKTARDIR}
+fi
+
+cd ${BACKDIR}
+if [ ! -d "${DAYDIR}" ]; then
+    mkdir -vp "$DAYDIR" >> ${LOGFILE}
+fi
+
+curTime() {
+  NOWDATE=$(date "+%Y%m%d-%H%M%S")
+}
+
+getLogFile(){
+  curTime
+  LOGFILE=${BACKLOGSDIR}/db-Dump.${NOWDATE}.log
+}
+
+# dump databases
+db_full_backup() {
+  curTime
+  BACKSQLFILE=${DAYDIR}/$1-${NOWDATE}.sql
+  $MYSQLDUMP -u${USERNAME} -p${PASSWORD} -h${HOST} ${PARAS} --databases $1 > ${BACKSQLFILE}
+  gzip ${BACKSQLFILE}
+  getLogFile
+  gzip ${BACKSQLFILE}
+  if [ $? -ne 0 ]; then
+      echo "$NOWDATE DB $1 backup  is failed , please check it out!" >> ${LOGFILE}
+  else
+      echo "$NOWDATE DB $1 backup  is success!" >> ${LOGFILE}
+  fi
+}
+
+# dump databases.tables
+sigle_table_backup(){
+  curTime
+  BACKSQLFILE=${DAYDIR}/$1_$2-${NOWDATE}.sql
+  $MYSQLDUMP -u${USERNAME} -p${PASSWORD} -h${HOST} ${PARAS} --databases $1 --tables $2 > ${BACKSQLFILE}
+  gzip ${BACKSQLFILE}
+  getLogFile
+  if [ $? -ne 0 ]; then
+    echo "$NOWDATE Table  $1_$2 backup  is failed ,please check it out!" >> ${LOGFILE}
+  else
+    echo "$NOWDATE Table  $1_$2 backup  is success!" >> ${LOGFILE}
+  fi
+}
+
+selfHelp() {
+  echo "dbDump.sh HELP "
+  echo "-----------------------------------"
+  echo "-h --help echo dbDump.sh HELP note"
+  echo
+  echo "\$1 databases 只备份数据库"
+  echo "exp:: dbDump.sh ppospro_member"
+  echo
+  echo "\$2 tables 只备份数据库.数据表"
+  echo "exp:: dbDump.sh ppospro_member ppospro_member"
+  echo
+}
+
+
+case $1 in
+  -h|--help|help )
+    selfHelp
+  ;;
+  *)
+    #echo "参数个数为：$#"
+    if [ $# -eq 1 ]; then
+      echo "备份数据库 $1 Begin ..."
+      db_full_backup $1
+      FileSize=$(stat -c %s ${BACKSQLFILE})
+      echo "备份文件:: ${BACKSQLFILE}  ${FileSize} bytes."
+      echo "备份数据库 $1 End ..."
+    else
+      echo "备份数据库 $1 $2 Begin ..."
+      sigle_table_backup $1 $2
+      FileSize=$(stat -c %s ${BACKSQLFILE})
+      echo "备份文件:: ${BACKSQLFILE}  ${FileSize} bytes."
+      echo "备份数据库 $1 $2 End ..."
+    fi
+  ;;
+esac