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Puppet 安装与应用
Centos 6.4 安装Puppet
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(注意要先设置主机名再安装 Puppet,因为安装 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),因为我配置了DNS,所以就不用改hosts了,如果没有就需要改hosts文件指定。
环境:
采用CentOS-6.4-x64系统,IP地址如下:
Master: 192.168.239.128
Client: 192.168.239.130
操作说明:
红色代码命令,蓝色代表说明,紫色代表操作主机
Master,client:
1.关闭selinux,iptables,并设置ntp
安装ntp、wget等常用工具
安装ntp wget
yum install -y wget ntp
关闭selinux
sed -i ‘/SELINUX/s/enforcing/disabled/g‘ /etc/selinux/config
setenforce 0
停止iptables
chkconfig ip6tables off
chkconfig iptables off
/etc/init.d/ip6tablesstop
/etc/init.d/iptables stop
设置ntp
ntpdate pool.ntp.org
chkconfig ntpd on
service ntpd start
2.安装puppet服务的官方源
puppet不在CentOS的基本源中,需要加入PuppetLabs 提供的官方源:
wgethttp://yum.puppetlabs.com/el/6/products/x86_64/puppetlabs-release-6-7.noarch.rpm
rpm -ivhpuppetlabs-release-6-7.noarch.rpm
master:
vi /etc/hosts
末尾添加一条记录
192.168.239.130 ns2.centos.com
测试主机名是否Ping通
ping ns2.centos.com
安装和启用 puppet 服务:
yum install puppet-server
chkconfig puppet on
service puppetmasterstart
client:
vi /etc/hosts
末尾添加一条记录
192.168.239.128 ns1.centos.com
测试主机名是否Ping通
ping ns1.centos.com
安装puppet客户端
yum install puppet
chkconfig puppet on
service puppet start
3.配置puppet
对于puppet 客户端,修改配置文件,指定master服务器
vi/etc/puppet/puppet.conf
[main]
# The Puppet log directory.
# The default value is ‘$vardir/log‘.
logdir = /var/log/puppet
# Where Puppet PID files are kept.
# The default value is ‘$vardir/run‘.
rundir = /var/run/puppet
# Where SSL certificates are kept.
# The default value is ‘$confdir/ssl‘.
ssldir = $vardir/ssl
[agent]
# The file in which puppetd stores a listof the classes
# associated with the retrievedconfiguratiion. Can be loaded in
# the separate ``puppet`` executable usingthe ``--loadclasses``
# option.
# The default value is‘$confdir/classes.txt‘.
classfile = $vardir/classes.txt
# Where puppetd caches the localconfiguration. An
# extension indicating the cache format isadded automatically.
# The default value is ‘$confdir/localconfig‘.
localconfig = $vardir/localconfig
server =ns1.centos.com
并重启puppet服务
service puppetrestart
4.Client申请证书
Master:
服务端自动签发证书设置
设置master自动签发所有的证书,我们只需要在/etc/puppet 目录下创建 autosign.conf 文件。(不需要修改 /etc/puppet/puppet.conf文件,因为我默认的autosign.conf文件的位置没有修改)
cat >/etc/puppet/autosign.conf <<EOF
*.centos.com
EOF
service puppetmasterrestart
这样就会对所有来自canghai.com的机器的请求,都自动签名。
client需要向服务器端发出请求, 让服务器对客户端进行管理.这其实是一个证书签发的过程. 第一次运行 puppet 客户端的时候会生成一个 SSL 证书并指定发给 Puppet 服务端, 服务器端如果同意管理客户端,就会对这个证书进行签发,可以用这个命令来签发证书,由于我们已经在客户端设置了server地址,因此不需要跟服务端地址
client:
puppet agent
为了详细了解注册的过程和日后排错,可以增加参数,因为配置文件里
–no-daemonize 前台输出日志
–verbose 输入更加详细的日志
–debug 更加详细的日志,排错的时候使用
–test 表示测试,就带一个–test参数就可以
puppet agent--no-daemonize --onetime --verbose --debug
就可以申请证书了,由于我配置的自动签发证书,所以直接就签发了,在服务端执行
Master:
puppet cert list--all
+ "ns1.centos.com"(SHA256)CA:50:6A:51:D5:AD:F0:73:BF:83:A0:4A:BF:1F:4E:F0:56:C9:4B:D8:4D:BB:62:10:EE:14:16:D5:96:D0:B6:F7(alt names: "DNS:ns1.centos.com", "DNS:puppet","DNS:puppet.canghai.com")
+"ns2.centos.com" (SHA256)B8:95:69:2B:7B:3E:F4:38:CA:63:BE:A0:ED:3C:E7:05:1F:93:53:2D:1C:60:67:E9:D8:20:99:90:B8:9B:D6:40
就可以看到所有客户端已经都已签发证书,前面带”+”号的就是签发成功的,撸过没有签名的,可以用
puppet cert --signns2.centos.com
进行签发证书,签发后在master,执行
puppet cert list--all
即可看到证书已经签发
5.在服务端安装puppet的dashboard
安装mysql
yum install -y mysqlmysql-devel mysql-server
优化mysql设置
编辑 /etc/my.cnf, 在[mysqld]字段,增加最后一行
vi /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommendedto prevent assorted security risks
symbolic-links=0
max_allowed_packet =32M
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
启动服务
/etc/init.d/mysqldstart
chkconfig mysqld on
设置mysql密码,我这里使用是密码是123456
mysqladmin -u rootpassword ‘123456‘
创建一个dashboard数据库
mysql -uroot -p123456<<EOF
CREATE DATABASEdashboard CHARACTER SET utf8;
CREATE USER‘dashboard‘@‘localhost‘ IDENTIFIED BY ‘123456‘;
GRANT ALL PRIVILEGESON dashboard.* TO ‘dashboard‘@‘localhost‘;
FLUSH PRIVILEGES;
EOF
Passenger+Apache+Dashboard
这是让Apache支持ruby,由于Passenger不在centos官方源里,因此要添加epel的源
wgethttp://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -ivhepel-release-6-8.noarch.rpm
yum installmod_passenger puppet-dashboard
配置Dashboard
vi/usr/share/puppet-dashboard/config/database.yml
production:
database: dashboard
username: dashboard
password: 123456
encoding: utf8
adapter: mysql
修改时区
vi/usr/share/puppet-dashboard/config/environment.rb
#config.time_zone = ‘UTC‘
config.time_zone = ‘Beijing‘
初始化数据库
cd/usr/share/puppet-dashboard/
rakeRAILS_ENV=production db:migrate
配置Apache
我们需要整合Passenger和apache
cat >/etc/httpd/conf.d/passenger.conf << EOF
LoadModule passenger_modulemodules/mod_passenger.so
PassengerRoot/usr/share/rubygems/gems/passenger-3.0.17
PassengerRuby/usr/bin/ruby
PassengerHighPerformanceon
PassengerMaxPoolSize12
PassengerPoolIdleTime1500
PassengerStatThrottleRate120
RailsAutoDetect On
ServerNamens1.centos.com
DocumentRoot"/usr/share/puppet-dashboard/public/"
<Directory"/usr/share/puppet-dashboard/public/>;
Options None
AllowOverrideAuthConfig
Order allow,deny
allow from all
</Directory>
ErrorLog/var/log/httpd/ns1.centos.com_error.log
LogLevel warn
CustomLog/var/log/httpd/ns1.centos.com_access.log combined
ServerSignature On
EOF
启动服务
/etc/init.d/httpdstart
chkconfig httpd on
配置puppet
让Dashboard使用Reports,现在默认agent是已经启用Report的功能,所以你就不需要设置agent,你只需要设置Server端就可以
vi /etc/puppet/puppet.conf
[master]
reports = store, http
reporturl =http://ns1.centos.com:80/reports/upload
重启puppetmaster 服务
/etc/init.d/puppetmasterrestart
这时候就可以直接用 http://ip 访问puppet Dashboard
2013-05-05_210851
导入报告
cd/usr/share/puppet-dashboard
rake RAILS_ENV=productionreports:import
这时候你访问Dashboard,可以看到导入的任务.
2013-05-05_220858
4. 执行导入的reports
cd/usr/share/puppet-dashboard
rake jobs:workRAILS_ENV="production"
注明:本文参考过 http://www.cactifans.org/linux/994.html
注意事项:
如果web页面打开时Apache 2 Test Page 页面,无法进入puppet管理页面时
需要修改httpd 配置文件
把根目录/var/www/html/ 改成/usr/share/puppet-dashboard/public/
重启httpd服务
本文出自 “Linux学习者” 博客,请务必保留此出处http://haowen.blog.51cto.com/3486731/1575680
Puppet 安装与应用