【php】快速部署WordPress和phpMyAdmin-阿里云ROS
本文为您介绍如何使用ROS模板一键部署WordPress站点和phpMyAdmin应用。
文档链接
背景信息
如果您只有管理网站内容的人员,而无专业技术人员来进行网站建立和管理,则只能部署基础网站。如果您的网站有更高的需求,需要定制化服务、高可用性和高弹性,则需寻求其他解决方案。
本文介绍的ROS资源栈模板(WordPressCluster-phpMyAdmin.ros)可以帮助您实现对高可用性和高弹性的需求。通过此模板,您可以快速部署整个VPC、负载均衡、弹性伸缩、ECS、云数据库RDS版等实例组成的资源栈。同时部署WordPress和phpMyAdmin,并配置弹性伸缩。系统会根据需要,自动添加、配置新的实例,无须您手动操作。
架构原理概览
下图为通过ROS资源栈模板(WordPressCluster-phpMyAdmin.ros)创建资源栈的架构图。
有三类用户将会访问这些基础设施:
- 端用户
端用户通过URL访问托管在WordPress上的网站。
WordPress部署在Apache Web服务器中。服务器的文档根目录为/wwwroot。根目录所在的OSS Bucket是Web服务器通过OSSFS(阿里云官方提供的基于FUSE的文件系统)共用的一个存储空间。
RAM用户具有OSS Bucket的访问权限,可以将OSS Bucket挂载到ECS实例上。
RDS MySQL数据库存放WordPress的内容。通过内网连接字符串从Web服务器访问数据库。
- 系统管理员
系统管理员通过SSH登录JumpBox(堡垒机),进入VPC环境。
JumpBox具有弹性公网IP,可通过Internet访问。
通过JumpBox访问可管理VPC中的产品实例。
phpMyAdmin安装在JumpBox上,通过Internet访问。
如此,系统管理员便可管理云数据库RDS版。
- 内容负责人
内容负责人可通过Internet访问WordPress管理控制台。
所有服务的访问权限可通过安全组,根据环境配置来控制。
资源站模板概览
单击WordPressCluster-phpMyAdmin.ros下载该资源栈模板。
- 说明 您可以根据资源编排控制台中支持的ECS可用区和镜像,在模板中修改ZoneId和ImageId。
根据WordPressCluster-phpMyAdmin.ros,系统将创建和配置VPC、负载均衡、VSwitch、NAT网关、ECS实例、弹性公网IP、弹性伸缩和云数据库RDS版实例等。
在创建资源栈时,以下参数可满足任何地域的用户需要。
根据模板,系统将在JumpBox上安装httpd、mysql-client、PHP、OSSFS、phpMyAdmin和WordPress,并通过资源ALIYUN::ECS::Instance的UserData段配置这些应用。
以下是UserData段节选:
"ossbucketendpoint=",{
"Ref": "OSSBucketEndPoint"
},
"\n",
"DatabaseUser=",
{
"Ref": "MasterUserName"
},
"\n",
"DatabasePwd=",
{
"Ref": "MasterDBPassword"
},
"\n",
"DatabaseName=",
{
"Ref": "DBName"
},
"\n",
"DatabaseHost=",
{
"Fn::GetAtt": ["Database", "InnerConnectionString"]
},
"\n",
"yum install -y curl httpd mysql-server php php-common php-mysql\n",
"yum install -y php-gd php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc\n",
"yum install -y phpmyadmin\n",
"sed -i \"s%localhost%$DatabaseHost%\" /etc/phpMyAdmin/config.inc.php\n",
"sed -i \"s%Deny,Allow%Allow,Deny%\" /etc/httpd/conf.d/phpMyAdmin.conf\n",
"sed -i \"s%Deny from All%Allow from All%\" /etc/httpd/conf.d/phpMyAdmin.conf\n",
"sed -i \"/<RequireAny>/a Require all Granted\" /etc/httpd/conf.d/phpMyAdmin.conf\n",
"chkconfig httpd on\n",
"service httpd stop\n",
"wget
https://github.com/aliyun/ossfs/releases/download/v1.80.3/ossfs_1.80.3_centos6.5_x86_64.rpm\n",
"yum install -y ossfs_1.80.3_centos6.5_x86_64.rpm\n",
"echo $ossbucket:$ossbucketaccesskey:$ossbucketsecret >> /etc/passwd-ossfs\n",
"chmod 600 /etc/passwd-ossfs\n",
"mkdir $ossbucketmountpoint\n",
"chmod -R 755 $ossbucketmountpoint\n",
"echo #This script will automount the ossbucket\n",
"echo umount $ossbucketmountpoint >> /usr/local/bin/ossfs-automount.sh\n",
"echo #Mounting OSS Bucket\n",
"echo ossfs $ossbucket $ossbucketmountpoint -ourl=http://$ossbucketendpoint -o allow_other -o mp_umask=0022 -ouid=48 -ogid=48 >> /usr/local/bin/ossfs-automount.sh\n",
"chmod 755 /usr/local/bin/ossfs-automount.sh\n",
"echo /usr/local/bin/ossfs-automount.sh >> /etc/rc.d/rc.local\n",
"chmod +x /etc/rc.d/rc.local\n",
"/usr/local/bin/./ossfs-automount.sh\n",
"wget http://WordPress.org/latest.tar.gz\n",
"tar -xzvf latest.tar.gz\n",
"sed -i \"s%database_name_here%$DatabaseName%\" WordPress/wp-config-sample.php\n",
"sed -i \"s%username_here%$DatabaseUser%\" WordPress/wp-config-sample.php\n",
"sed -i \"s%password_here%${DatabasePwd:-$DatabasePwdDef}%\" WordPress/wp-config-sample.php\n",
"sed -i \"s%localhost%$DatabaseHost%\" WordPress/wp-config-sample.php\n",
"mv WordPress/wp-config-sample.php WordPress/wp-config.php\n",
"cp -a WordPress/* $ossbucketmountpoint\n",
"chmod -R 755 /wwwroot/*\n",
"rm -rf WordPress*\n",
"service httpd start\n",
"done\n"
通过UserData段,将WordPress部署在OSS Bucket上。OSS Bucket可挂载到弹性伸缩创建的Web服务器上,确保所有Web服务器都具有来自根目录的最新内容。
通过弹性伸缩配置的UserData段,实现httpd、PHP和ossutil的安装和配置、挂载DocumentRoo以及启动所有服务。
以下是弹性伸缩配置的UserData段节选:
"DatabaseHost=",{
"Fn::GetAtt": ["Database", "InnerConnectionString"]
},
"\n",
"yum install -y curl httpd mysql-server php php-common php-mysql\n",
"yum install -y php-gd php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc\n",
"chkconfig httpd on\n",
"service httpd stop\n",
"DocumentRoot='/var/www/html'\n",
"sed -i \"s%$DocumentRoot%$ossbucketmountpoint%\" /etc/httpd/conf/httpd.conf\n",
"Directory='/var/www'\n",
"sed -i \"s%$Directory%$ossbucketmountpoint%\" /etc/httpd/conf/httpd.conf\n",
"wget https://github.com/aliyun/ossfs/releases/download/v1.80.3/ossfs_1.80.3_centos6.5_x86_64.rpm\n",
"yum install -y ossfs_1.80.3_centos6.5_x86_64.rpm\n",
"echo $ossbucket:$ossbucketaccesskey:$ossbucketsecret >> /etc/passwd-ossfs\n",
"chmod 600 /etc/passwd-ossfs\n",
"mkdir $ossbucketmountpoint\n",
"chmod -R 755 $ossbucketmountpoint\n",
"echo #This script will automount the ossbucket\n",
"echo umount $ossbucketmountpoint >> /usr/local/bin/ossfs-automount.sh\n",
"echo #Mounting OSS Bucket\n",
"echo ossfs $ossbucket $ossbucketmountpoint -ourl=http://$ossbucketendpoint -o allow_other -o mp_umask=0022 -ouid=48 -ogid=48 >> /usr/local/bin/ossfs-automount.sh\n",
"chmod 755 /usr/local/bin/ossfs-automount.sh\n",
"echo /usr/local/bin/ossfs-automount.sh >> /etc/rc.d/rc.local\n",
"chmod +x /etc/rc.d/rc.local\n",
"/usr/local/bin/./ossfs-automount.sh\n",
"chmod -R 755 /wwwroot/*\n",
"service httpd start\n",
"done\n"
]
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