前言：
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最近在服务器系统上安装了最新的Puppet客户端，发现跟老版本的PuppetMaster做同步时出现了一些问题，警告类的信息很好解决，注释掉配置文件templatedir该行即可，后来又对PuppetMaster做了次升级，直接升为最新的3.6.1，随后发现PuppetMaster默认安装的WEBrick的web服务器性能较低且最新版本3.6.1存在bug以至于无法同时接受多台Agent客户端请求，因此使用Apache+Passenger方案替代原WEBrick，提高并发性能，同时解决bug带来的问题
环境：
Ubuntu 12.04 64-LTS
PuppetMaster: 3.6.1（升级前版本为3.4.3）
PuppetAgent: 3.6.1
1、安装Apache2
$ sudo apt-get install apache2 ruby1.8-dev rubygems
$ sudo a2enmod ssl
$ sudo a2enmod headers
2、安装Rack/Passenger
$ sudo gem install rack passenger
$ sudo passenger-install-apache2-module
# 按提示解决软件依赖关系后，再次运行命令安装passenger模块
Please edit your Apache configuration file, and add these lines:
LoadModule passenger_module /var/lib/gems/1.8/gems/passenger-4.0.44/buildout/apache2/mod_passenger.so
PassengerRoot /var/lib/gems/1.8/gems/passenger-4.0.44
PassengerDefaultRuby /usr/bin/ruby1.8
$ sudo mkdir /etc/puppet/rack
$ sudo mkdir /etc/puppet/rack/{public,tmp}
$ sudo scp /usr/share/puppet/ext/rack/config.ru /etc/puppet/rack/
$ sudo chown -R puppet:root /etc/puppet/rack
3、配置Puppet虚拟主机文件
$ sudo cp /usr/share/puppet/ext/rack/example-passenger-vhost.conf /etc/apache2/sites-available/puppet.conf
$ sudo vim /etc/apache2/sites-available/puppet.conf
# 按之前的提示添加如下内容
LoadModule passenger_module /var/lib/gems/1.8/gems/passenger-4.0.44/buildout/apache2/mod_passenger.so
PassengerRoot /var/lib/gems/1.8/gems/passenger-4.0.44
PassengerDefaultRuby /usr/bin/ruby1.8
PassengerHighPerformance on
PassengerMaxPoolSize 12
PassengerPoolIdleTime 1500
# PassengerMaxRequests 1000
PassengerStatThrottleRate 120
# RackAutoDetect Off # 注释该行
# RailsAutoDetect Off # 注释该行
Listen 8140
SSLEngine on
SSLProtocol ALL -SSLv2
SSLCipherSuite ALL:!aNULL:!eNULL:!DES:!3DES:!IDEA:!SEED:!DSS:!PSK:!RC4:!MD5:+HIGH:+MEDIUM:!LOW:!SSLv2:!EXP
SSLHonorCipherOrder on
# 修改为SSL实际路径及文件名
SSLCertificateFile /var/lib/puppet/ssl/certs/test.cominggo.com.pem
SSLCertificateKeyFile /var/lib/puppet/ssl/private_keys/test.cominggo.com.pem
SSLCertificateChainFile /var/lib/puppet/ssl/certs/ca.pem
SSLCACertificateFile /var/lib/puppet/ssl/certs/ca.pem
# If Apache complains about invalid signatures on the CRL, you can try disabling
# CRL checking by commenting the next line, but this is not recommended.
SSLCARevocationFile /var/lib/puppet/ssl/crl.pem
SSLVerifyClient optional
SSLVerifyDepth 1
# The `ExportCertData` option is needed for agent certificate expiration warnings
SSLOptions +StdEnvVars +ExportCertData
# This header needs to be set if using a loadbalancer or proxy
RequestHeader unset X-Forwarded-For
RequestHeader set X-SSL-Subject %{SSL_CLIENT_S_DN}e
RequestHeader set X-Client-DN %{SSL_CLIENT_S_DN}e
RequestHeader set X-Client-Verify %{SSL_CLIENT_VERIFY}e
DocumentRoot /etc/puppet/rack/public/
RackBaseURI /
Options None
AllowOverride None
Order allow,deny
allow from all
## Logging # 设置Puppet访问日志（可选，默认日志为other_vhosts_access.log）
ErrorLog "/var/log/apache2/puppet_error.log"
ServerSignature Off
CustomLog "/var/log/apache2/puppet_access.log" combined
$ cd /etc/apache2/sites-available/
$ sudo a2ensite puppet.conf
4、移除WEBrick服务（puppetmaster），并重启Apache服务
$ sudo /etc/init.d/puppetmaster stop
$ sudo update-rc.d -f puppetmaster remove
$ sudo /etc/init.d/apache2 restart
$ sudo ss -talnp | grep apache2
LISTEN 0 128 *:8140 *:* users:(("apache2",30037,5),("apache2",29472,5),("apache2",29467,5))
LISTEN 0 128 *:80 *:* users:(("apache2",30037,3),("apache2",29472,3),("apache2",29467,3))
LISTEN 0 128 *:443 *:* users:(("apache2",30037,4),("apache2",29472,4),("apache2",29467,4))5、验证是否部署成功
1）访问HTTPS服务
# 访问页面：https://test.cominggo.com:8140/
The environment must be purely alphanumeric, not ''
2）PuppetAgent节点运行测试
# PuppetAgent：
$ sudo puppet agent -t
# PuppetMaster：查看apache访问日志是否有200状态请求
$ sudo tail /var/log/apache2/puppet_access.log
172.16.2.22 - - [20/Jun/2014:19:11:53 +0800] "GET /production/file_metadata/modules/zabbix/check.sh?source_permissions=use&links=manage HTTP/1.1" 200 5987 "-" "-"
172.16.2.22 - - [20/Jun/2014:19:11:53 +0800] "GET /production/file_metadata/modules/zabbix/zabbix-release_2.2-1+precise_all.deb?source_permissions=use&links=manage HTTP/1.1" 200 6003 "-" "-"
172.16.2.22 - - [20/Jun/2014:19:11:53 +0800] "GET /production/file_metadata/modules/zabbix/game.conf?source_permissions=use&links=manage HTTP/1.1" 200 5971 "-" "-"
172.16.2.22 - - [20/Jun/2014:19:11:53 +0800] "GET /production/file_metadatas/modules/game/release/data?checksum_type=md5&recurse=true&links=manage HTTP/1.1" 200 44519 "-" "-"
172.16.2.22 - - [20/Jun/2014:19:11:54 +0800] "GET /production/file_metadata/modules/zabbix/netif.py?source_permissions=use&links=manage HTTP/1.1" 200 5987 "-" "-"
172.16.2.22 - - [20/Jun/2014:19:11:56 +0800] "PUT /production/report/t1.cominggo.com HTTP/1.1" 200 5683 "-" "-"
参考：
官方文档：http://docs.puppetlabs.com/guides/passenger.html
KissPuppet博客：http://kisspuppet.com/2013/11/08/apache-passenger/
分享文章：使用Apache+Passenger部署高性能PuppetMaster
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