Puppet 安装配置
环境说明:
OS:CentOS 5.4 i386
puppetmaster 192.168.0.12 hostname: puppetmaster.info.com
client 192.168.0.64 hostname: client1.info.com
原理图:
1) 客户端通过facter收集客户端信息并发送至服务端
2) 连接服务端并请求catalog日志
3) 请求节点(node)的信息
4) 从服务器端接收节点(node)的实例
5) 编译代码(包括语法检查等工作)
6) 查询是否有exported 虚拟资源
7) 如有,则从数据库接收虚拟资源
8) 接收完整的catalog日志
9) 存储catalog日志到数据库
10) 客户端接收完整的catalog日志
一、 时间同步,并写入crontab
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- 15 1 * * * /usr/sbin/ntpdate pool.ntp.org; hwclock -w >/dev/null 2>&1
二、 修改主机名,并写入/etc/hosts文件
Puppet 要求所有机器有完整的域名(FQDN),如果没有 DNS 服务器提供域名的话,可以在两台机器上设置主机名
(注意建议先设置主机名再安装 Puppet,因安装 Puppet 时会把主机名写入证书,客户端和服务端通信需要这个证书)
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192.168.0.12 puppetmaster.info.com
- 192.168.0.64 client1.info.com
三、 安装ruby
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[root@puppetmaster ~]# yum install ruby ruby-libs ruby-rdoc -y
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[root@puppetmaster ~]# ruby --version
- ruby 1.8.5 (2006-08-25) [i386-linux]
四、 安装facter
安装puppet之前必须先安装facter
facter是一个系统盘点工具,收集主的一些资料,比如CPU,主机IP等,它收集到值发送给puppet服务器端,服务器端就可以根据不同的条件来对不同的节点机器生成不同的puppet配置文件
puppet资源下载点 http://downloads.puppetlabs.com/
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[root@puppetmaster src]# wget http://downloads.puppetlabs.com/facter/facter-1.6.8.tar.gz
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[root@puppetmaster src]# tar xzvf facter-1.6.8.tar.gz
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[root@puppetmaster src]# cd facter-1.6.8
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[root@puppetmaster facter-1.6.8]# ruby install.rb
- [root@puppetmaster puppet-2.7.14]# ruby install.rb
五、 安装puppet
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[root@puppetmaster src]# wget http://downloads.puppetlabs.com/puppet/puppet-2.7.14.tar.gz
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[root@puppetmaster src]# tar xzvf puppet-2.7.14.tar.gz
- [root@puppetmaster src]# cd puppet-2.7.14
六、 复制配置文件
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[root@puppetmaster puppet-2.7.14]# cp conf/redhat/fileserver.conf /etc/puppet/
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[root@puppetmaster puppet-2.7.14]# cp conf/redhat/puppet.conf /etc/puppet/
- [root@puppetmaster puppet-2.7.14]# cp conf/redhat/server.init /etc/init.d/puppetmaster
七、 设置puppetmaster 服务开机启动
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[root@puppetmaster puppet-2.7.14]# ls -l /etc/init.d/puppetmaster
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-rwxr-xr-x 1 root root 3936 Sep 3 12:13 /etc/init.d/puppetmaster
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[root@puppetmaster puppet-2.7.14]#
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[root@puppetmaster puppet-2.7.14]# chkconfig --add puppetmaster
- [root@puppetmaster puppet-2.7.14]# chkconfig --level 35 puppetmaster on
八、 创建puppet帐号
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- [root@puppetmaster puppet-2.7.14]# puppetmasterd --mkusers
1)确认是否生成清单文件夹
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[root@puppetmaster puppet-2.7.14]# ls -l /etc/puppet/
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total 16
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-rw-r--r-- 1 root root 2552 Sep 3 12:11 auth.conf
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-rwxr-xr-x 1 root root 381 Sep 3 12:13 fileserver.conf
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drwxr-xr-x 2 root root 4096 Sep 3 12:17 manifests
- -rwxr-xr-x 1 root root 853 Sep 3 12:13 puppet.conf
2)确认系统生成puppet用户
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[root@puppetmaster puppet-2.7.14]# id puppet
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uid=1002(puppet) gid=1002(puppet) groups=1002(puppet)
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[root@puppetmaster puppet]# cat /etc/passwd |grep puppet
- puppet:x:1002:1002::/home/puppet:/bin/bash
3)保证/var/lib/puppet/rrd目录存在且属主是puppet
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[root@puppetmaster puppet]# ls -l /var/lib/puppet/
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total 36
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drwxr-x--- 2 puppet puppet 4096 Sep 3 12:17 bucket
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drwxr-xr-x 2 root root 4096 Sep 3 12:17 facts
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drwxr-xr-x 2 root root 4096 Sep 3 12:17 lib
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drwxr-x--- 2 puppet puppet 4096 Sep 3 12:17 reports
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drwxr-x--- 2 puppet puppet 4096 Sep 3 12:17 rrd
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drwxr-x--- 2 puppet puppet 4096 Sep 3 12:17 server_data
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drwxrwx--x 8 puppet root 4096 Sep 3 12:26 ssl
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drwxr-xr-t 2 root root 4096 Sep 3 12:17 state
- drwxr-x--- 2 puppet puppet 4096 Sep 3 12:17 yaml
4)查看端口
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[root@puppetmaster puppet]# netstat -Tanlp | grep 8140
- tcp 0 0 0.0.0.0:8140 0.0.0.0:* LISTEN 4556/ruby
客户端:
安装facter,puppet 同puppetmaster 一样。但复制的文件如下
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[root@client1 puppet-2.7.14]# cp conf/redhat/client.init /etc/init.d/puppet
- [root@client1 puppet-2.7.14]# chkconfig --level 35 puppet on
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[root@client1 puppet-2.7.14]# puppetd --mkusers
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Could not prepare for execution: Got 1 failure(s) while initializing: change from absent to present failed: Could not create user puppet: Execution of '/usr/sbin/useradd -g puppet -M puppet' returned 3: useradd: invalid numeric argument 'puppet'
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[root@client1 puppet-2.7.14]# groupadd puppet;useradd -g puppet -M puppet
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[root@client1 puppet-2.7.14]# service puppet start
- Starting puppet: [ OK ]
测试解析与puppetmaster端口是否畅通
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[root@client1 puppet-2.7.14]# telnet puppetmaster.info.com 8140
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Trying 192.168.0.12...
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Connected to puppetmaster.info.com (192.168.0.12).
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Escape character is '^]'.
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[root@client1 puppet-2.7.14]# puppetd --test --server puppetmaster.info.com
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warning: peer certificate won't be verified in this SSL session
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info: Caching certificate for ca
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warning: peer certificate won't be verified in this SSL session
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warning: peer certificate won't be verified in this SSL session
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info: Creating a new SSL certificate request for client1.info.com
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info: Certificate Request fingerprint (md5): 07:C9:D4:43:3C:3E:D6:D1:0A:B1:8B:71:DB:6B:9D:FE
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warning: peer certificate won't be verified in this SSL session
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warning: peer certificate won't be verified in this SSL session
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warning: peer certificate won't be verified in this SSL session
- Exiting; no certificate found and waitforcert is disabled
puppet配置文件. 第一次连接,双方会进行ssl证书的验证,这是一个新的客户端,在服务器端那里还没有被认证,因此需要在服务器端进行证书认证
以下这步批准证书是在服务端操作
查看当前待批准证书列表
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[root@puppetmaster ~]# puppetca -l
- client1.info.com (07:C9:D4:43:3C:3E:D6:D1:0A:B1:8B:71:DB:6B:9D:FE)
批准当前证书
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[root@puppetmaster ~]# puppetca -s client1.info.com
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notice: Signed certificate request for client1.info.com
- notice: Removing file Puppet::SSL::CertificateRequest client1.info.com at '/var/lib/puppet/ssl/ca/requests/client1.info.com.pem'
查看验证签名,注意前面的+号,说明已经签名
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[root@puppetmaster ~]# puppetca -a --list
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+ client1.info.com (03:BE:50:AE:72:1A:39:79:17:F4:E5:74:FD:CC:BC:8C)
- + puppetmaster.info.com (97:34:BF:26:A6:0E:E9:9C:DB:76:D3:53:D0:56:60:83) (alt names: DNS:puppet, DNS:puppet.info.com, DNS:puppetmaster.info.com)
如果要批准全部证书
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puppetca -s -a
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也可以在puppetmaster端的puppet.conf加入这行:
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autosign = true
- 服务端就自动签证书
回到客户端操作,从服务端取回已批准的证书
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[root@client1 puppet-2.7.14]# puppetd --test --server puppetmaster.info.com
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warning: peer certificate won't be verified in this SSL session
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info: Caching certificate for client1.info.com
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info: Caching certificate_revocation_list for ca
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info: Caching catalog for client1.info.com
- info: Applying configuration version '1378188531
验证证书是否正确
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服务端:
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[root@puppetmaster ~]# md5sum /var/lib/puppet/ssl/ca/signed/client1.info.com.pem
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27a295f39a6b4a6c7ceb74c9c3a5084c /var/lib/puppet/ssl/ca/signed/client1.info.com.pem
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客户端:
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[root@client1 puppet-2.7.14]# md5sum /etc/puppet/ssl/certs/client1.info.com.pem
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27a295f39a6b4a6c7ceb74c9c3a5084c /etc/puppet/ssl/certs/client1.info.com.pem
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出现修改主机名问题引起无法认证,需要重新申请证书,操作以下两个步骤:
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服务端:
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[root@puppetmaster ~]# rm /var/lib/puppet/ssl/ca/signed/client1.info.com.pem -rf
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客户端:
- [root@client1 puppet-2.7.14]# rm /etc/puppet/ssl/certs/ -rf
功能测试
服务端:
建立pp文件测试
puppet的第一个执行的代码是在/etc/puppet/manifest/site.pp ,因此这个文件必须存在,而且其他的代码也要通过代码来调用.
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[root@puppetmaster ~]# vim /etc/puppet/manifests/site.pp
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node default {
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file {"/tmp/viong.txt":
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content=>"good,test pass!\nHello World!\n";}
- }
上面的代码对默认连入的puppet客户端执行一个操作,在/tmp目录生成一个viong.txt文件,内容是good,test pass! 回车换行Hello World!回车换行.
初次创建pp文件,需要重启puppetmaster
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[root@puppetmaster ~]# service puppetmaster restart
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Stopping puppetmaster: [ OK ]
- Starting puppetmaster: [ OK ]
客户端:
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[root@client1 puppet-2.7.14]# puppetd --test --server puppetmaster.info.com
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info: Caching catalog for client1.info.com
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info: Applying configuration version '1378190404'
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notice: /Stage[main]//Node[default]/File[/tmp/viong.txt]/ensure: defined content as '{md5}4750aa5be82dae5db286a5859700dd51'
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notice: Finished catalog run in 0.03 seconds
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如果报错
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[root@client1 puppet-2.7.14]# puppetd --test --server puppetmaster.info.com
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err: Could not retrieve catalog from remote server: Error 400 on SERVER: Could not parse for environment production: Syntax error at end of file; expected '}' at /etc/puppet/manifests/site.pp:4 on node client1.info.com
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warning: Not using cache on failed catalog
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err: Could not retrieve catalog; skipping run
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- 可能是/etc/puppet/manifests/site.pp 这个文件书写格式有问题。
在客户端查看:
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[root@client1 puppet-2.7.14]# ls -l /tmp/viong.txt
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-rw-r--r-- 1 root root 29 Sep 3 14:50 /tmp/viong.txt
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[root@client1 puppet-2.7.14]# cat /tmp/viong.txt
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good,test pass!
Hello World!