本次實驗內容緊接前兩次實驗,第一節內容主要介紹PUPPET的安裝認證與資源定義,第二節主要寫apache與nginx模塊的應用,本次介紹Puppet dashboard與nginx+passenger 的安裝,Puppet dashboard 是用以 web 方式管理 puppet。puppet 默認使用基於 Ruby 的WEBRickHTTP 來處理 HTTPS 請求,單個服務器使用Apache/Nginx+Passenger 替換掉 WEBRickHTTP,Passenger 是用於將 Ruby 程序進行嵌入執行的html
上次實驗內容:mysql
實戰Puppet 集中配置管理系統(1)——認證與資源定義
nginx
實戰Puppet 集中配置管理系統(2)——apache與nginx模塊配置
c++
1 . Puppet dashboard安裝配置web
1)所需軟件包sql
puppet-dashboard-1.2.23-1.el6.noarch.rpm數據庫
ruby-mysql-2.8.2-1.el6.x86_64.rpm apache
rubygem-rake-0.8.7-2.1.el6.noarch.rpmjson
依賴性:vim
* Ruby 1.8.7
* RubyGems
* Rake >= 0.8.3
* MySQL server 5.x
* Ruby-MySQL bindings 2.7.x or 2.8.x
2)安裝
#yum install puppet-dashboard-1.2.23-1.el6.noarch.rpm
ruby-mysql-2.8.2-1.el6.x86_64.rpm rubygem-rake-0.8.7-2.1.el6.noarch.rpm -y
#mysql 5.1 遇到的信息包過大問題 用客戶端導入數據的時候,遇到錯誤代碼: 1153 - Got a
packet bigger than 'max_allowed_packet' bytes 終止了數據導入,能夠使用以下參數解決:
(rhel6.3 上未遇到)
# vi /etc/my.cnf
[mysqld]
max_allowed_packet = 32M#添加此行
3)配置 mysql 數據庫
# /etc/init.d/mysqld start
# mysql_secure_installation設置root密碼爲willis
# cd /usr/share/puppet-dashboard/
# vim config/database.yml//只留下生產環境配置
#vim config/add.sql
CREATE DATABASE dashboard_production CHARACTER SET utf8;
CREATE USER 'dashboard'@'localhost' IDENTIFIED BY 'willis';
GRANT ALL PRIVILEGES ON dashboard_production.* TO 'dashboard'@'localhost';
# rake RAILS_ENV=production db:migrate
//創建 dashboard 所需的數據庫和表
4)修改puppet-dashboard 默認時區
#//查看puppet-dashboard 默認支持的時區
#rake gems:refresh_specs
#rake time:zones:local
# vim /usr/share/puppet-dashboard/config/settings.yml
//puppet-dashboard 默認時區不正確,須要修改
time_zone: 'Beijing'
5)啓動服務
#/etc/init.d/puppet-dashboard start
6)修改日誌文件權限
# cd /usr/share/puppet-dashboard/log
#chmod 666 /production.log
#/etc/init.d/puppet-dashboard-workers start
7)修改服務器的配置文件
# vim /etc/puppet/puppet.conf
[main]//添加如下兩項
reports = http
reporturl = http://172.25.254.1:3000/reports
#/etc/init.d/puppetmaster restart
8)設置 client 端
server2與server3同時設置以下
#vim /etc/puppet/puppet.conf
[agent]//添加如下行
report = true
# puppet agent --server server1.example.com --no-daemonize -vt//同步數據
9) 瀏覽器訪問 172.25.254.1:3000
10)在客戶端安裝完 puppet 後,而且認證完後,咱們能夠看到效果,那怎樣讓它自動與服務器同步呢?默認多少分鐘跟服務器同步呢?怎樣修改同步的時間呢,這時候咱們須要配置客戶端:
<1>配置 puppet 相關參數和同步時間:
# vim /etc/sysconfig/puppet
PUPPET_SERVER=server1.example.com #puppet master 的地址
PUPPET_PORT=8140 #puppet 監聽端口
PUPPET_LOG=/var/log/puppet/puppet.log #puppet 本地日誌
#PUPPET_EXTRA_OPTS=--waitforcert=500 【默認同步的時間,我這裏不修改這行參數】
<2>默認配置完畢後,客戶端會半個小時跟服務器同步一次,咱們能夠修改這個時間
# vim /etc/puppet/puppet.conf
[agent]
runinterval = 60//表明 60 秒跟服務器同步一次
#/etc/init.d/puppet start
2.nginx+passenger 安裝配置
Apache 模塊,實現對 puppet 的負載均衡。
參考:https://docs.puppetlabs.com/guides/passenger.html
1)[root@server1 mnt]# gem list
*** LOCAL GEMS ***
json (1.5.5)
rack (1.6.4)
2)不夠就下載
# gem install passenger-5.0.15.gem rack-1.6.4.gem
3) # yum install -y gcc gcc-c++ curl-devel zlib-devel openssl-devel ruby-devel
# tar zxf nginx-1.8.0.tar.gz -C /mnt
4) #passenger-install-nginx-module
//腳本會自動安裝 nginx 支持,按提示操做,其它按Enter就好,編譯過程比較慢
5) nginx 默認安裝在/opt/nginx 目錄:
# cd /opt/nginx/conf/
# /etc/init.d/puppetmaster stop
# vim nginx.conf
server {
listen 8140;
server_name server1.example.com;
root /etc/puppet/rack/public;
passenger_enabled on;
passenger_set_header X_CLIENT_DN $ssl_client_s_dn;
passenger_set_header X_CLIENT_VERIFY $ssl_client_verify;
ssl on;
ssl_session_timeout 5m;
ssl_certificate /var/lib/puppet/ssl/certs/server1.example.com.pem;
ssl_certificate_key /var/lib/puppet/ssl/private_keys/server1.example.com.pem;
ssl_client_certificate /var/lib/puppet/ssl/ca/ca_crt.pem;
ssl_crl /var/lib/puppet/ssl/ca/ca_crl.pem;
ssl_verify_client optional;
ssl_ciphers SSLv2:-LOW:-EXPORT:RC4+RSA;
ssl_prefer_server_ciphers on;
ssl_verify_depth 1;
ssl_session_cache shared:SSL:128m;
}
# /opt/nginx/sbin/nginx -t //檢測 nginx配置文件是否有錯
6)添加目錄
# cd /etc/puppet/
# mkdir /etc/puppet/rack/{public,tmp} -p
# cd rack/
# cp /usr/share/puppet/ext/rack/config.ru /etc/puppet/rack/
# chown puppet.puppet /etc/puppet/rack/config.ru
# /etc/init.d/puppetmaster stop
#chkconfig puppetmaster off
# /opt/nginx/sbin/nginx//啓動nginx
//puppetmaster 不須要啓動 , nginx 啓動時會自動調用 puppet。
7) 測試
# /opt/nginx/sbin/nginx stop #關閉nginx讓客戶端獲取信息,能夠看到獲取不到信息
# /opt/nginx/sbin/nginx ###開啓nginx,能夠看到客戶端能夠獲取到信息
#ps -ax ###查看進程啓動狀況