SVN备份
最近研究Windowssvn的备份机制,结合网上的文章,分享下完成的svndump的备份脚本,记录一下svnsync的使用方法。
1.svnadmindump本地备份脚本
不多说了,直接贴脚本。
@echo off rem SVN库父目录 set SVN_BASE= rem SVN库名 set SVN_REPOSITORY= rem 备份方式 full:全量;inc:增量 set DUMP_MOD=full rem 备份文件 set DUMP_TARGET= rem 是否压缩备份文件 set COMPRESS_DUMP_FILE=1 rem 存放本程序生成的中间信息的文件夹 set DUMP_HISTORY_INFO_DIR=info rem 存放最后一次备份时的版本信息 set DUMP_LAST_LOG=last.info rem 存放所有备份的日志 set DUMP_LOG=dump.log set cmd_svnadmin=svnadmin set VALID_ARG=1 goto :main :usage echo Usage: echo backup -base SVN_PATH -rep REPOSITORY [-full^|-inc] -target PATH echo Warning: echo Any path with blank will make an unkown result. goto :eof :main rem 解析参数 call :parseArg if "%VALID_ARG%" equ "0" ( call :usage set ERRORLEVEL=1 goto :eof ) rem 以下是程序使用的变量,勿随便更改 rem 开始和结束版本 set REV_START= set REV_END= set LAST_DUMP_DATE= set LAST_DUMP_COMMENT= rem 备份文件(自动生成)、临时信息文件夹、日志文件等 set DUMP_FILE= set DUMP_INFO_DIR=%DUMP_TARGET%\%SVN_REPOSITORY%\%DUMP_HISTORY_INFO_DIR% set DUMP_LAST_LOG_FILE=%DUMP_INFO_DIR%\%DUMP_LAST_LOG% set DUMP_LOG_FILE=%DUMP_LAST_LOG_FILE%\%DUMP_LOG% set SVN_PATH=%SVN_BASE%\%SVN_REPOSITORY% rem 确定备份文件名 call :FORMAT_DUMP_FILE echo Using dump file "%DUMP_FILE%". rem 确定备份版本 call :parseRev echo Dump from %REV_START% to %REV_END% rem 开始备份 call :dobackup goto :eof :FORMAT_DUMP_FILE call :getDate "" "" date time set DUMP_FILE=%SVN_REPOSITORY%_%date%_%time%.dump goto :eof :getDate set DATE_SEPERATOR="%~1" set TIME_SEPERATOR="%~2" >"%temp%/now.vbs" echo currenttime=now >>"%temp%/now.vbs" echo curdate=right(year(currenttime),4)^&%DATE_SEPERATOR%^&right("0"^&month(currenttime),2)^&%DATE_SEPERATOR%^&right("0"^&day(currenttime),2) >>"%temp%/now.vbs" echo curtime=right("0"^&hour(currenttime),2)^&%TIME_SEPERATOR%^&right("0"^&minute(currenttime),2)^&%TIME_SEPERATOR%^&right("0"^&second(currenttime),2) >>"%temp%/now.vbs" echo wscript.echo curdate^&" "^&curtime for /f "tokens=1,2 delims= " %%a in ('cscript /nologo "%temp%/now.vbs"') do ( set "today=%%a" set "curtime=%%b" ) if not "%3" == "" set "%~3=%today%" if not "%4" == "" set "%~4=%curtime%" goto :eof :parseRev for /f %%a in ('svnlook youngest %SVN_PATH%') do set REV_END=%%a if "%DUMP_MOD%" equ "full" ( REV_START=0 goto :eof ) for /f %%a in ("%DUMP_LAST_LOG_FILE%") do call :parseRev1 "REV_START" "LAST_DUMP_DATE" "LAST_DUMP_COMMENT" if "REV_START" equ "" ( set REV_START=0 set LAST_DUMP_DATE= set LAST_DUMP_COMMENT= ) goto :eof rem parseRev1 line last date comment :parseRev1 set line=%~1 if /i "%line:~0,4%" equ "last" set "%~2=%line:~5%" if /i "%line:~0,4%" equ "date" set "%~3=%line:~5%" if /i "%line:~0,6%" equ "comment" set "%~4=%line:~7%" goto :eof :parseArg :parseArgStart if "%1" equ "" goto :parseArgEnd if /i "-base" equ "%~1" ( set SVN_BASE=%~2 shift shift ) if /i "-rep" equ "%~1" ( set SVN_REPOSITORY=%~2 shift shift ) if /i "-full" equ "%~1" ( set DUMP_MOD=full shift ) if /i "-inc" equ "%~1" ( set DUMP_MOD=inc shift ) if /i "-target" equ "%~1" ( set DUMP_TARGET=%~2 shift shift ) goto :parseArgStart :parseArgEnd call :blankAndHelp "SVN_BASE" call :blankAndHelp "SVN_REPOSITORY" call :blankAndHelp "DUMP_TARGET" goto :eof :blankAndHelp set _WORD_=%~1 call set _VALUE_=%%%_WORD_%%% if "%_VALUE_%" equ "" ( set VALID_ARG=0 ) goto :eof :dobackup >>%DUMP_LOG_FILE% echo [%today% %curtime%] Trying backup respository "%SVN_PATH%" to "%DUMP_FILE%". if "REV_START" equ "REV_END" ( >>%DUMP_LOG_FILE% echo [%today% %curtime%] Respository "%SVN_PATH%" has no changes. The youngest revision is %REV_END%. >%DUMP_LAST_LOG_FILE% echo comment:[%today% %curtime%] Respository "%SVN_PATH%" has no changes. The youngest revision is %REV_END%. >>%DUMP_LAST_LOG_FILE% echo last:%REV_END%. >>%DUMP_LAST_LOG_FILE% echo date:%today% %curtime%]. ) else ( 1>>%DUMP_LOG_FILE% 2>&1 %cmd_svnadmin% dump --revision %REV_START%:%REV_END% %SVN_PATH%>%DUMP_FILE% if ERRORLEVEL 1 ( >>%DUMP_LOG_FILE% echo [%today% %curtime%] Dump repository "%SVN_PATH%" failed with returen value %ERRORLEVEL%. The youngest dumped revision is %REV_START%. >%DUMP_LAST_LOG_FILE% echo comment:[%today% %curtime%] Dump repository "%SVN_PATH%" failed with returen value %ERRORLEVEL%. The youngest dumped revision is %REV_START%. >>%DUMP_LAST_LOG_FILE% echo last:%REV_START%. >>%DUMP_LAST_LOG_FILE% echo date:%today% %curtime%]. del /Q "%DUMP_FILE%" ) else ( if "COMPRESS_DUMP_FILE" equ "1" makecab %DUMP_FILE% %DUMP_FILE%.zip ) ) >>%DUMP_LOG_FILE% echo [%today% %curtime%] Dump respository "%SVN_PATH%" has finished. The youngest revision is %REV_END%. goto :eof
2.svnsync异地备份记录
这里先说一下svnsync的用法,在讲一下备份搭建过程,本文中省略部分建库和建用户的具体步骤。
svnsyncinit--trust-server-cert--source-usernameARG--source-passwordARG--sync-usernameARG--sync-passwordARGDEST_URLSOURCE_URL
svnsyncsync--trust-server-cert--non-interactive--source-usernameARG--source-passwordARG--sync-usernameARG--sync-passwordARGDEST_UR
注:如果svnsync版本不支持source-username、sync-username分别设置两个库的用户和口令,可以用--username、--password设置源库和备份库的用户和口令,但是两个库的用户和口令必须相同。
--trust-server-cert信任服务器证书(如https自签名证书)
--source-username源库用户名
--sync-username镜像库用户名
ARGDEST_URL、SOURCE_URL镜像库地址,源库地址
--non-interactive非交互模式
下面是搭建过程
源库:https://192.168.1.2:443/svn/lsgl
服务器路径e:\svn\lsgl
同步用户syncuser:passwd
镜像库:https://192.168.1.3:443/svn/lsgl
服务器路径d:\svn\lsgl
同步用户syncuser:passwd
1)如果源库不存在,请新建源库,这里不做介绍了,然后新建用户syncuser,并授予读取权限。
以下在镜像服务器:
2)新建一个新库
mkdird:\svn\lsgl
cdd:\svn\lsgl
svnadmincreate
3)在镜像库新建用户syncuser,并授予读写权限。
4)新建文件d:\svn\lsgl\hooks\pre-revprop-change.bat,只允许同步用户修改镜像库属性,内容如下:
IF "%3" == "syncuser" exit 0 echo"Only syncuser may change revision properties">&2 exit 1
5)新建d:\svn\lsgl\hooks\start-commit.bat,只允许同步用户提交新版本,内容如下:
IF "%3" == "syncuser" exit 0 echo"Only syncuser may commit new revisions">&2 exit 1
6)执行命令
svnsyncinit--usernamesyncuser--passwordpasswdhttps://192.168.1.3:443/svn/lsglhttps://192.168.1.2:443/svn/lsgl
以下在源库服务器执行:
7)新建e:\svn\lsgl\hooks\post-commit.bat,实时备份数据,内容如下。
svnsync--trust-server-cert--non-interactive--usernamesyncuser--passwordpasswdsynchttps://192.168.1.3:443/svn/lsgl
至此完成。
还有些话要说,在搭建备份库的时候,新建库后直接开启同步,从r0同步至head;在网上看到新建库后,load数据再进行同步,将方法记录在下面,笔者并没有验证。
先准备源库的dump文件。
svnadmindumpe:\svn\lsgl>source-lsgl.dump
将上面的第6)步提换如下:
svnadminloadd:\svn\lsgl<source-lsgl.dump
然后手动设置镜像库的属性
svnpropset--revprop-r0svn:sync-from-uuid源库的UUID
svnpropset--revprop-r0svn:sync-last-merged-revdump文件的最新版本https://192.168.1.3:443/svn/lsgl
svnpropset--revprop-r0svn:sync-from-urlhttps://192.168.1.3:443/svn/lsgl。
还有话要说,如何切换备库:
这个简单,讲备库上的bat文件删除,设置好用户和权限后就可以访问了。
最后还有话要说,操作的时候由于命令行用户名输入错误,在提示输入口令时ctrl+c强退了,导致镜像库锁定,出现“Failedtogetlockondestinationreposcurrentlyheldby。。。”的错误,使用下面的命令处理错误。
svnpropdelsvn:sync-lock--revprop-r0https://10.204.3.11/svn/lsgl/
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