Godspeed的IT學習之路: <#1> Subversion System Build in RHEL 6

公司原本的版本控制系統為CVSNT System，但因本人對Windows base的作業系統操作有些許的障礙，加上公司絕大多數的RD同仁較習慣使用Subversion System，因此決定「CVS migration to SVN，Windows migration to RHEL Linux」。

Subversion system連線方式可分為三種：Apache + mod_dav_svn、svnserve、svnserver over SSH
其Client/Server運作圖大致如下：

相關文獻可參閱Subversion Online Documentation了解其運作原理。
本人則是使用Apache + mod_dav_svn模式進行連線，故須將mod_dav_svn package安裝。

Staging Environment Information：

Hardware And Operation System：

OS：Red Hat Enterprise Linux 6.1 64 Bit
CPU：1
MEM：1 GB
HDD：20 GB
IP Address：192.168.188.101

Subversion System Installation Packages And Version List：

subversion.x86_64：1.6.11-2.el6_0.3
mod_dav_svn.x86_64：1.6.11-2.el6_0.3
neon.x86_64：0.29.3-1.2.el6
sqlite.x86_64：3.6.20-1.el6
sqlite-devel.x86_64：3.6.20-1.el6

Using Directory And Path Of Configure Files：

Html Directory Path：/var/www/html/
Apache Configure File Path：/etc/httpd/conf/httpd.conf
Apache Authentication Configure File：/etc/htpasswd.user
Subversion Apache Configure File Path：/etc/httpd/conf.d/subversion.conf
SVN Parent Directory Path：/usr/local/svn/

使用yum指令進行安裝：

/usr/bin/yum install sqlite sqlite-devel
/usr/bin/yum install neon
/usr/bin/yum install subversion
/usr/bin/yum install mod_dav_svn

安裝完畢後即可執行svnadmin create指令進行create repository並指定fs-type為fsfs，
後續將staging Directory使用者及群組更改為apache，以避免日後存取時出現"Access Denied"等錯誤訊息：

/bin/mkdir /usr/local/svn/
/usr/bin/svnadmin create --fs-type fsfs /usr/local/svn/staging
/bin/chown -R apache:apache /usr/local/svn/staging

在/tmp Directory建立staging Directory，並在其Directory建立trunk、branches、tags三個Directory。
使用svn import指令將staging Directory Import to staging repository，
Import完畢後可使用svn list指令list repository內容：

/bin/mkdir -p /tmp/Staging/{trunk,branches,tags}
/usr/bin/svn import -m "Initial trunk branches tags Folder" /tmp/Staging file:///usr/local/svn/staging
/usr/bin/svn list file:///usr/local/svn/staging

執行結果如下：

[root@Subversion svn]# /usr/bin/svn import -m "Initial trunk branches tags Folder" /tmp/Staging file:///usr/local/svn/staging
Adding         /tmp/Staging/trunk
Adding         /tmp/Staging/branches
Adding         /tmp/Staging/tags

Committed revision 1.
[root@Subversion svn]# /usr/bin/svn ls file:///usr/local/svn/staging
branches/
tags/
trunk/

接下來為異動Subversion Apache Configure File，異動部分如下：

vi /etc/httpd/conf.d/subversion.conf

# Be sure that it comes before the mod_dav_svn line:
LoadModule dav_svn_module     modules/mod_dav_svn.so
LoadModule authz_svn_module   modules/mod_authz_svn.so

# Appending the string of following:
<Location /svn/>
    DAV svn
    SVNParentPath /usr/local/svn
    SVNListParentPath on
    Order deny,allow
    Deny from all
    Satisfy any

    AuthType Digest
    AuthName "Subversion Reository"
    AuthDigestDomain /svn
    AuthUserFile /etc/htpasswd.user

    # Read-Only Access
    <Limit GET OPTIONS PROPFIND REPORT>
        Require valid-user
    </Limit>

    # Write Access
    <LimitExcept GET OPTIONS PROPFIND REPORT>
        Require valid-user
    </LimitExcept>
</Location>

Start Apache Daemon，並設定為開機則預先啟動：

/etc/init.d/httpd start
/sbin/chkconfig httpd on

建立Authentication User File：

/usr/bin/htdigest -c /etc/htpasswd.user "Subversion Reository" godspeedyen
/bin/chmod 400 /etc/htpasswd.user

執行結果如下，[方框處]請自行變更密碼：

# Create Authentication User File
[root@Subversion ~]# /usr/bin/htdigest -c /etc/htpasswd.user "Subversion Reository" godspeedyen
Adding password for godspeedyen in realm Subversion Reository.
New password: [godspeedyen]
Re-type new password:[godspeedyen]

# Change /etc/htpasswd.user File Permission
[root@Subversion ~]# /bin/chmod 400 /etc/htpasswd.user

# /etc/htpasswd.user File Format
[root@Subversion ~]# /bin/cat /etc/htpasswd.user 
godspeedyen:Subversion Reository:823400fb0db41989ae173bfca3524015

Finally, input SVN Server IP Address in Browser URL Path：http://192.168.188.101/svn/
Input account and password of /etc/htpasswd.user file：