puppet初识

【puppet初识】

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学习目录领导说saltstack太慢机器量一旦上来，saltstack就力不从心，所以要将saltstack转向puppet。

【安装背景】

系统centos 6.5

软件地址:

http://downloads.puppetlabs.com/puppet/

master: 192.168.100.10

agent: 192.168.100.13

因为puppet对ca证书的办法是很对域名了。所以域名一定要解析并且master端最好不要变。

【安装步骤】

时钟同步

ntpdate pool.ntp.org

设置hostname并放入hosts解析

echo "192.168.100.10  master.test.com" >> /etc/hosts
echo "192.168.100.13  agent.test.com" >> /etc/hosts

puppet端master和agent端的安装:

puppet是基于ruby的，所以首先要安装ruby语言环境。

yum install ruby -y

安装facter -->收集系统信息的软件命令

################# master 和agent 共同的步骤 #############

tar xvf facter-1.6.13.tar.gz

cd facter-1.6.13

ruby install.rb

## 检查facter安装是否成功

facter 收集系统的信息的命令工具

tar xvf puppet-3.0.0.tar.gz

cd puppet-3.0.0

ruby install.rb

创建puppet 用户否则启动失败

useradd puppet

######################## master 拷贝配置

[root@master puppet-3.0.0]# pwd

/usr/local/src/puppet-3.0.0

[root@master puppet-3.0.0]# cp ext/redhat/server.init /etc/init.d/puppetmaster

[root@master puppet-3.0.0]# chmod 755 /etc/init.d/puppetmaster

cp ext/redhat/puppet.conf /etc/puppet/

######################## agent 拷贝配置

[root@agent puppet-3.0.0]# cp ext/redhat/client.init /etc/init.d/puppetclient

[root@agent puppet-3.0.0]# chmod 755 /etc/init.d/puppetclient

##### master启动

/etc/init.d/puppetmaster start

#### master启动检测

[root@master puppet-3.0.0]# ps -ef |grep ruby

puppet 10915 1 1 16:34 ? 00:00:01 /usr/bin/ruby /usr/bin/puppet master

root 11272 6458 0 16:36 pts/0 00:00:00 grep --color=auto ruby

[root@master puppet-3.0.0]# netstat -tulnp |grep ruby

tcp 0 0 0.0.0.0:8140 0.0.0.0:* LISTEN 10915/ruby

##### agent 启动

[root@agent puppet-3.0.0]# /etc/init.d/puppetclient start

Starting puppet agent:

#### agent 启动检测

[root@agent puppet-3.0.0]# ps -ef |grep ruby

root 5623 1 5 16:40 ? 00:00:02 /usr/bin/ruby /usr/bin/puppet agent

############## agent 请求证书 master签发证书

agent request agent端向maser端发起证书请求 puppet agent --test --server master.test.com

master accept puppet cert sign agent.test.com 接收指定的 puppet cert sign --all 接收所有的请求

agent fetch

过程1

[root@agent puppet-3.0.0]# puppet agent --test --server master.test.com

Info: Caching certificate for ca

Info: Creating a new SSL certificate request for agent.test.com

Info: Certificate Request fingerprint (SHA256): DB:AC:CB:4E:FC:68:E3:71:B5:45:6E:6C:73:C9:EE:27:11:0F:2D:5A:8F:43:21:53:0D:33:7F:85:87:4B:0E:59

Exiting; no certificate found and waitforcert is disabled

[root@agent puppet-3.0.0]#

过程2:

master端已经有这个请求了接受就可以了

[root@master puppet]# puppet cert list 或者 puppet cert list --all

"agent.test.com" (SHA256) DB:AC:CB:4E:FC:68:E3:71:B5:45:6E:6C:73:C9:EE:27:11:0F:2D:5A:8F:43:21:53:0D:33:7F:85:87:4B:0E:59

[root@master puppet]#

接收证书:

[root@master puppet]# puppet cert sign agent.test.com

Signed certificate request for agent.test.com

Removing file Puppet::SSL::CertificateRequest agent.test.com at '/var/lib/puppet/ssl/ca/requests/agent.test.com.pem'

过程3:

agent端测试

puppet agent --test --server master.test.com

############### 出错过程 ##########

[root@agent puppet-3.0.0]# puppet agent --test

Error: Could not request certificate: Connection refused - connect(2)

Exiting; failed to retrieve certificate and waitforcert is disabled

我这里的原因是 agent的使用的都是默认配置没有知道指定master 解决方法:

puppet agent --test --server master.test.com

排除了网络问题的命令:　telnet master.test.com 8140

####### 写一个测试用例测试 master 和 agnet可以通信了及 master可以管理agent端了 agent可以同步master端了

master端编写一个测试pp

[root@master manifests]# cat site.pp

file { "/tmp/temp1.txt":

content => "Hello World\n"; }

[root@master manifests]# pwd

/etc/puppet/manifests

### agent 进行同步

[root@agent puppet-3.0.0]# puppet agent --test --server master.test.com

Info: Retrieving plugin

Error: /File[/var/lib/puppet/lib]: Could not evaluate: Could not retrieve information from environment production source(s) puppet://master.test.com/plugins

Info: Caching catalog for agent.test.com

Info: Applying configuration version '1480151413'

/Stage[main]//File[/tmp/temp1.txt]/ensure: defined content as '{md5}e59ff97941044f85df5297e1c302d260'

Finished catalog run in 0.04 seconds

[root@agent puppet-3.0.0]# cat /tmp/temp1.txt

Hello World

[root@agent puppet-3.0.0]#

上面错误的信息原因:

Error: /File[/var/lib/puppet/lib]: Could not evaluate: Could not retrieve information from environment production source(s) puppet://master.test.com/plugins

不影响: 原因未知

【puppet清楚证书】

master端:

[root@shzr-vctr001 user]# puppet cert --clean shzr-vapp015.a.pa.com

Notice: Revoked certificate with serial 14

Notice: Removing file Puppet::SSL::Certificate shzr-vapp015.a.pa.com at '/var/lib/puppet/ssl/ca/signed/shzr-vapp015.a.pa.com.pem'

Notice: Removing file Puppet::SSL::Certificate shzr-vapp015.a.pa.com at '/var/lib/puppet/ssl/certs/shzr-vapp015.a.pa.com.pem'

client端:

\rm -r /var/lib/puppet/ssl/

新闻名称：puppet初识
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