主机环境:
server(master)端:172.25.7.1(server1.example.com)
client(agent)端:172.25.7.2 172.25.7.3
实验前提:server端和client端互相有主机名解析(当主机数不少时能够在dns服务器上完成主机名解析),时间一致
注意在作实验时不要打开client端的puppet服务!
(一)装包
server端:puppet-server-3.8.1-1.el6.noarch.rpm
依赖性:puppet-3.8.1-1.el6.noarch.rpm facter-2.4.4-1.el6.x86_64.rpm hiera-1.3.4-1.el6.noarch.rpm rubygem-json-1.5.5-3.el6.x86_64.rpm ruby-shadow-2.2.0-2.el6.x86_64.rpm ruby-augeas-0.4.1-3.el6.x86_64.rpm rubygems-1.3.7-5.el6.noarch.rpm
客户端:puppet-3.8.1-1.el6.noarch.rpm
依赖性:facter-2.4.4-1.el6.x86_64.rpm hiera-1.3.4-1.el6.noarch.rpm rubygem-json-1.5.5-3.el6.x86_64.rpm ruby-shadow-2.2.0-2.el6.x86_64.rpm ruby-augeas-0.4.1-3.el6.x86_64.rpm rubygems-1.3.7-5.el6.noarch.rpm
联网时,把如下条目加入yum仓库:html
[puppet] name=puppet baseurl=http://yum.puppetlabs.com/el/6Server/products/x86_64/ gpgcheck=0 [ruby] name=ruby baseurl=http://yum.puppetlabs.com/el/6Server/dependencies/x86_64/ gpgcheck=0
(二)启动服务
server端:
/etc/init.d/puppetmaster start
侦听TCP/8140端口
lient端:
不能启动puppet服务,不然会将进程打到后台,看不到报错,因此在实验时不要打开puppet服务,用如下两条任一条命令测试:
puppet agent --server server1.example.com --test
测试,让客户端链接到puppet master,client向master发出证书验证请求,而后等待master签名并返回证书。参数--server 指定了须要链接的 puppet master 的名字或是地址,默认链接名为“puppet”的主机如要修改默认链接主机能够修改/etc/sysconfig/puppet 文件中的PUPPET_SERVER=puppet 选项参数--no-daemonize 是 puppet 客户端运行在前台参数--verbose 使客户端输出详细的日志
puppet agent --server server1.example.com --no-deamonize --verbose
手工签名node
puppet cert list ##显示全部等待签名的证书 # puppet cert list --all # puppet cert sign server2.example.com ##给server2签名证书 如要同时签名全部证书,执行如下命令: # puppet cert sign --all
自动签名mysql
vim /etc/puppet/puppet.conf 1 [main] 2 autosign = true ##打开自动签名功能 vim /etc/puppet/autosign.conf ##此文件自行建立 1 *.example.com /etc/init.d/puppetmaster reload
(三)puppet资源定义nginx
/etc/pupppet配置目录结构: ├── auth.conf ├── autosign.conf ├── environments │ └── example_env │ ├── manifests │ ├── modules │ └── README.environment ├── files │ └── vsftpd.conf ├── fileserver.conf ├── manifests #节点的存储目录(puppet会首先加载site.pp)文件 │ ├── nodes │ │ ├── server4.pp │ │ └── server5.pp │ └── site.pp ├── modules #模块的配置目录 │ │ └── nginx │ ├── files │ │ ├── nginx-1.6.2.tar.gz │ │ ├── nginx.conf │ │ └── nginx-install.sh │ └── manifests #模块的主配置文件,定义类的相关信息 │ ├── config.pp │ ├── init.pp │ ├── install.pp │ ├── nginx.install │ └── service.pp └── puppet.conf puppet的主配置文件
puppet的第一个执行的代码是在/etc/pupppet/manifest/site.pp,因策这个文件必须存在,且其余的代码也要经过该文件来调用
如下资源均定义在/etc/puppet/manifests/site.pp文件中,在没有指定节点的状况下,对全部已经验证的client都生效c++
server端:web
vim /etc/puppet/manifests/site.pp 1 file { 2 "/tmp/testfile": 3 content => "hahahaha" ##默认就是建立文件 4 }
server端:sql
vim /etc/puppet/manifests/site.pp 1 file { 2 "/mnt/haha": 3 ensure => "directory" ##建立目录 4 }
vim /etc/puppet/manifests/site.pp 1 import "nodes/*.pp"
mkdir /etc/puppet/manifests/nodes vim /etc/puppet/manifests/nodes/server3.pp 1 node 'server3.example.com' { 2 file { 3 "/tmp/lala": 4 content => "lalala~~~~\n" 5 } 6 }
client端:数据库
mkdir -p /etc/puppet/modules/httpd/{files,manifests,templates}
httpd的部署包括下载软件包,配置,开启服务json
vim /etc/puppet/modules/httpd/manifests/init.pp ##加载httpd模块读取的文件 1 class httpd { 2 include httpd::install,httpd::config,httpd::service 3 }
vim /etc/puppet/modules/httpd/manifests/install.pp 1 class httpd::install { 2 package { 3 "httpd": 4 ensure => present 5 } 6 {
vim /etc/puppet/modules/httpd/manifests/config.pp 1 class httpd::config { 2 file { 3 "/etc/httpd/conf/httpd.conf": 4 source => "puppet:///modules/httpd/httpd.conf", require => Class["httpd::install"], 6 notify => Class["httpd::service"] 7 } 8 }
etc/puppet/modules/httpd/files/httpd.conf文件要在本机存在vim
vim /etc/puppet/modules/httpd/manifests/service.pp 1 class httpd::service { 2 service { 3 "httpd": 4 ensure => running 5 } 6 }
让server3执行此模块:
vim /etc/puppet/manifests/nodes/server3.pp 1 node 'server3.example.com' { 2 include httpd 3 }
client端:
添加虚拟主机配置:文件存放在templates目录中,以*.erb结尾
vim /etc/puppet/modules/httpd/templates/vhost.erb 1 <VirtualHost *:80> 2 ServerName <%= domainname %> 3 DocumentRoot /var/www/<%= domainname %> 4 ErrorLog logs/<%= domainname %>_error.log 5 CustomLog logs/<%= domainname %>_access.log common 6 </VirtualHost>
注意上传的配置文件:
vim /etc/puppet/modules/httpd/files/httpd.conf Listen 80 NameVirtualHost *:80 ##使用虚拟主机所要打开的参数
vim /etc/puppet/modules/httpd/manifests/init.pp 1 class httpd { 2 include httpd::install,httpd::config,httpd::service 3 } 4 define httpd::vhost($domainname) { 5 file { 6 "/etc/httpd/conf.d/${domainname}_vhost.conf": 7 content => template("httpd/vhost.erb"), 8 require => Class["httpd::install"], 9 notify => Class["httpd::service"] 10 } 11 file { 12 "/var/www/$domainname": 13 ensure => directory 14 } 15 file { 16 "/var/www/$domainname/index.html": 17 content => $domainname 18 } 19 }
将模块添加到server3节点上:
vim /etc/puppet/manifests/nodes/server3.pp 1 node 'server3.example.com' { 2 include httpd 3 httpd::vhost { 4 'server3.example.com': 5 domainname => "server3.example.com" 6 } 7 httpd::vhost { 8 'www.example.com': 9 domainname => "www.example.com" 10 } 11 }
client端(server3上):
puppet agent --server server1.example.com --test
验证一下
在server端:
安装包:puppet-dashboard-1.2.23-1.el6.noarch.rpm
依赖性:ruby-mysql-2.8.2-1.el6.x86_64.rpm rubygem-rake-0.8.7-2.1.el6.noarch.rpm
json (1.5.5) rake (0.8.7) gem install passenger-5.0.15.gem rack-1.6.4.gem vim /usr/share/puppet-dashboard/config/add.sql 1 CREATE DATABASE dashboard_production CHARACTER SET utf8; 2 CREATE USER 'dashboard'@'localhost' IDENTIFIED BY 'dashboard'; 3 GRANT ALL PRIVILEGES ON dashboard_production.* TO 'dashboard'@'localhost'; yum install -y mysql-server /etc/init.d/mysqld start mysql_secure_installation mysql -predhat < /usr/share/puppet-dashboard/config/add.sql vim d/usr/share/puppet-dashboard/config/database.yml ##只留下生产环境配置,此时和开发环境删掉 46 production: 47 database: dashboard_production 48 username: dashboard 49 password: dashboard 50 encoding: utf8 51 adapter: mysql rake gems:refresh_specs rake time:zones:local
puppet默认时区不正确,须要修改:
vim /usr/share/puppet-dashboard/config/settings.yml 65 time_zone: 'Beijing' rake RAILS_ENV=production db:migrate ##创建dashboard所需的数据库和表 chmod 666 /usr/share/puppet-dashboard/log/production.log /etc/init.d/puppet-dashboard start /etc/init.d/puppet-dashboard-workers start vim /etc/puppet/puppet.conf 1 [main] 2 autosign = true 3 reports = http 4 reporturl = http://172.25.7.1:3000/reports /etc/init.d/puppetmaster reload
在客户端安装完 puppet 后,而且认证完后,咱们能够看到效果,那怎样让它自动与服务器同步
呢?默认多少分钟跟服务器同步呢?怎样修改同步的时间呢,这时候咱们须要配置客户端:
(1) 配置 puppet 相关参数和同步时间:
vi /etc/sysconfig/puppet PUPPET_SERVER=puppet.example.com puppet master 的地址 PUPPET_PORT=8140 puppet 监听端口 PUPPET_LOG=/var/log/puppet/puppet.log puppet 本地日志 PUPPET_EXTRA_OPTS=--waitforcert=500 【默认同步的时间,我这里不修改这行参数】
(2) 默认配置完毕后,客户端会半个小时跟服务器同步一次,咱们能够修改这个时间。
/etc/puppet/puppet.conf [agent] runinterval = 60 表明 60 秒跟服务器同步一次
client端:
server2上:
vim /etc/sysconfig/puppet 2 PUPPET_SERVER=server1.example.com 5 PUPPET_PORT=8140 8 PUPPET_LOG=/var/log/puppet/puppet.log vim /etc/puppet/puppet.conf 14 [agent] 15 report = true 16 runinterval = 300 ##设置更新时间为300s;server3上能够将更新时间与server2叉开如 runinterval = 600,下降master的访问压力 /etc/init.d/puppet start ##作好一切配置后启动puppet服务
结果验证:
3000端口并发只有20个,做测试用
http://172.25.7.1:3000
看日志:
puppet 默认使用基于 Ruby 的 WEBRickHTTP 来处理 HTTPS 请求,单个服务器使用Apache/Nginx+Passenger 替换掉 WEBRickHTTP,Passenger 是用于将 Ruby 程序进行嵌入执行的Apache 模块,实现对 puppet 的负载均衡。
参考:https://docs.puppetlabs.com/guides/passenger.html
server端:
> get nginx-1.8.0.tar.gz tar zxf nginx-1.8.0.tar.gz passenger-config --root /usr/lib/ruby/gems/1.8/gems/passenger-5.0.15 解决依赖性: yum install -y gcc gcc-c++ curl-devel openssl-devel zlib-devel ruby-devel pcre-devel passenger-install-nginx-module
脚本会自动安装 nginx 支持,按提示操做,基本就是一路回车。
nginx 默认安装在/opt/nginx 目录:
vim /opt/nginx/conf/nginx.conf 1 #user nobody; 2 worker_processes 1; 3 4 #error_log logs/error.log; 5 #error_log logs/error.log notice; 6 #error_log logs/error.log info; 7 8 #pid logs/nginx.pid; 9 10 11 events { 12 use epoll; 13 worker_connections 1024; 14 } 15 16 17 http { 18 passenger_root /usr/lib/ruby/gems/1.8/gems/passenger-5.0.15; 19 passenger_ruby /usr/bin/ruby; 20 21 include mime.types; 22 default_type application/octet-stream; 23 24 #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' 25 # '$status $body_bytes_sent "$http_referer" ' 26 # '"$http_user_agent" "$http_x_forwarded_for"'; 27 28 #access_log logs/access.log main; 29 30 sendfile on; 31 #tcp_nopush on; 32 33 #keepalive_timeout 0; 34 keepalive_timeout 65; 35 36 #gzip on; 37 server { 38 listen 8140; 39 server_name server1.example.com; 40 41 root /etc/puppet/rack/public; 42 43 passenger_enabled on; 44 passenger_set_header X_CLIENT_DN $ssl_client_s_dn; 45 passenger_set_header X_CLIENT_VERIFY $ssl_client_verify; 46 ssl on; 47 ssl_session_timeout 5m; 48 ssl_certificate /var/lib/puppet/ssl/certs/server1.example.com.pem; 49 ssl_certificate_key /var/lib/puppet/ssl/private_keys/server1.example .com.pem; 50 ssl_client_certificate /var/lib/puppet/ssl/ca/ca_crt.pem; 51 ssl_crl /var/lib/puppet/ssl/ca/ca_crl.pem; 52 ssl_verify_client optional; 53 ssl_ciphers SSLv2:-LOW:-EXPORT:RC4+RSA; 54 ssl_prefer_server_ciphers on; 55 ssl_verify_depth 1; 56 ssl_session_cache shared:SSL:128m; 57 } 58 } # /opt/nginx/sbin/nginx -t # /opt/nginx/sbin/nginx # mkdir /etc/puppet/rack/{public,tmp} -p # cp /usr/share/puppet/ext/rack/config.ru /etc/puppet/rack/# chown puppet.puppet /etc/puppet/rack/config.ru # chkconfig puppetmaster off # service puppetmaster stop # /opt/nginx/sbin/nginx -t # /opt/nginx/sbin/nginx #检测 nginx puppetmaster 不须要启动 , nginx 启动时会自动调用 puppet。