39 lines
1.4 KiB
Bash
Executable File
39 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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currentTime=$(date +"%Y-%m-%d-%H")
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userName=$1
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password=$2
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dbName=$3
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host=$4
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# 定义备份文件存放目录
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backUpPath=$5
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ossPath=$6
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# 获取上次备份的binlog文件名和位置
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LAST_BACKUP=$(cat "$backUpPath/last_backup.txt")
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LAST_BINLOG=$(echo "$LAST_BACKUP" | awk '{print $1}')
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LAST_POSITION=$(echo "$LAST_BACKUP" | awk '{print $2}')
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# 获取当前binlog文件名和位置
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CURRENT_BINLOG=$(mysql -u$userName -p$password -h$host -e "SHOW MASTER STATUS" | awk '{print $1}')
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CURRENT_POSITION=$(mysql -u$userName -p$password -h$host -e "SHOW MASTER STATUS" | awk '{print $2}')
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# 备份增量变更到文件
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# 如果上次备份的binlog文件名和位置为空，则进行全量备份
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cd $backUpPath
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#if [ -z "$LAST_BINLOG" ]; then
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# mysqldump -u $MYSQL_USER -p$MYSQL_PASSWORD -h $MYSQL_HOST $MYSQL_DATABASE > "$BACKUP_DIR/full_backup.sql"
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#else
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docker exec maria /usr/bin/mysqlbinlog -u$userName -p$password -h$host --start-position=$LAST_POSITION --stop-position=$CURRENT_POSITION --result-file="$backUpPath/$dbName-$currentTime.sql" $LAST_BINLOG
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#fi
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# 更新上次备份的binlog文件名和位置
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echo "$CURRENT_BINLOG $CURRENT_POSITION" > "last_backup.txt"
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# 获取备份文件列表
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backup_files=($(find "$backUpPath" -name "$dbName-*.sql" -type f -printf "%f\n"))
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# 打印备份文件列表
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for file in "${backup_files[@]}"; do
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echo "$file"
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done
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