introduction-to-puppet

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1 Introduction To PUPPET

2 Plan Puppet: Just Simple! features components installation usage Puppet: Never Leave! living example file and service management Maybe Puppet, Maybe Other, Maybe None

3 Just Simple Tool Chain! Birth Of Puppet! Features! Components! WorkShop! Ecosphere

4 配置管理的变迁配置文件版本控制配置模版应用程序组件管理依赖管理流程管理构建测试部署基础环境用户组服务包

5 图解包含关系配置文件应用程序配置管理流程管理基础环境

6 配置管理的变迁命令行脚本工具平台 Stage 规范化自动化智能化 Time Dream True Cloud

7 工具链介绍系统安装配置管理命令编排监控报警 [1] Kickstart(Linux) Jumpstart (Solaris) YaST(SUSE) Cobbler CFEngine Chef Puppet SaltStack AnsibleWorks Fabric Capistrano Func MCollective SaltStack AnsibleWorks Cacti Ganglia Nagios Graphite Zabbix [1]

8 Three Ways Comparisons Method Puppet MCollective SaltStack AnsibleWorks Native Lang Ruby Python Python Distributed C/S C/S Agentless Desc Lang DSL(Puppet) Yaml Yaml Template ERB Jinja2/Mako Jinja2 CMD Via AMQP ZeroMQ SSH CMD Speed Faster Faster Fast CMD Sec Muti Chooices AES SSH Community Mature Active Active Use Case OpenStack Docker User Google/Intel Apple/Hulu Complexity Difficult Medium Simple [1]

9 Father Of PUPPET Why Puppet Birth! CFengine && ISconf! Why Puppet in Ruby! Perl Vs Python Vs Ruby [1]

10 What Is Puppet + Puppet 是一个配置并维护你的计算机的工具!! + 使用它简单的配置语言, 你向 Puppet 解释你所希望的机器配置参数, 然后它将根据需要更改配置来匹配你的要求!! + 如果你的配置有所变化, 比如包更新,Puppet 将自动更新你的机器来匹配如果它们已经按照要求配置, 那么 Puppet 就会什么也不做

11 C/S Software/Application Server/Agent mode! Server Less mode

12 Why Puppet 强大的框架简化大部分系统管理工作使用 Puppet 语言的代码有很好复用性

13 Plugin-in System/Framework 增加新类型 ( 资源 ) 为已有类型增加后端插件化系统和开放 API

14 DSL Language Use Ruby! Declarative! You Specify Configuration, Puppet handles implementation! Use detailed specification! Need things like dependencies

15 Code Snippet class ssh { package { ssh: ensure => installed } file { "/etc/ssh/sshd_config": ensure => present, owner => root, group => root, mode => 0755, source => 'puppet:///modules/ssh/sshd_config', require => Package["ssh"] } service { sshd: ensure => running, enable => true, hasrestart => true, hasstatus => true, subscribe => File["/etc/ssh/sshd_config"], }}

16 Organization Class Manifest Module Node init.pp class ssh::install { } install.pp files class ssh::config { } config.pp manifests node /^ssh\d+/ {include ssh} class ssh::service { } service.pp templates params.pp

17 Example::Files 内容型模版型

18 manifests/lquery.pp Contents class wap::cache{! file{'/search/staff/daemon/cache/conf':! ensure => directory,! owner => staff,! group => staff,! mode => 0755,! }! }! class wap::cache::files {! file{'/search/staff/daemon/wap/conf/cache.cfg':! require => File[ /search/staff/daemon/cache/conf ],! ensure => present,! owner => staff,! group => staff,! mode => 0755,! source => puppet:///wapfile/cache.cfg',! }! }

19 Templates manifests/files.pp class ob::files::cache inherits!! ob::params::wap {!! file{ '/opt/pack/ob/conf/cache.cfg':! content => template('observer/cache.cfg.erb'),! require => File['/opt/pack/ob/conf'],!! }! } manifests/params.pp! class ob::params::cache {! $PreFix = 'wap'! $ProcName = 'cache! $ErrNum = 48! $LatNum = 20! $LogLimit = 15! }

20 Templates templates/cache.cfg.erb %>" USER="odin" %>" %>" %>.cfg" RESTART_USER="root" %>.sh"! %>" %>" %>"

21 Innovations 资源的抽象, 一切皆资源资源是 Puppet 原语明确资源间依赖关系解释性配置语言

22 Features Idempotency! puppet can safely be run multiple times! Cross Platform! RAL allows focus on system ignoring implementation details! Model & Graph Based! resource modeled as type provider fulfilled the resource! graph based system modeling relationships between resources

23 Components Agent! Facter! ENC! Transaction! RAL! Report

24 WorkShop 安装认证使用

25 生态圈控制台 Dashboard Foreman 配置管理 PUPPET 命令编排 MCollective 静态变量系统 Facter 动态变量系统 Hiera 数据服务 PUPPETDB

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<4D6963726F736F667420506F776572506F696E74202D20C8EDBCFEBCDCB9B9CAA6D1D0D0DEBDB2D7F92E707074> 软件架构师研修讲座胡协刚软件架构师 UML/RUP 专家 szjinco@public.szptt.net.cn 中国软件架构师网东软培训中心小故事 : 七人分粥当前软件团队的开发现状和面临的问题软件项目的特点解决之道 : 从瀑布模型到迭代模型解决项