Automation Tools

Puppet

要點

-agent-base
-Pull model
-TCP port 8140 to reach Master
-works on Linux/Unix
-Open source /paid enterprise
-domain-specific language (DSL)

架構

• Master (centralized server) / Replica [compiles manifests into catalogs(compiled format) -> client]
  • Module [vvvvv]
    • Manifests [vvvvv]
    • Templates [set up configuration files]
    • Files
  • Catalogs [compiled format, Catalog = Facts + Manifests]
  • Resource [basic unit of system configuration modeling]
  • Class [organize the code]
• Agent on nodes, clients
  • Factor [有nodes的ip, os, uptime, int及send changes report to Master]

Module

• Collection of manifests, Templates, Files
• for organizing our Puppet code
• directory path “/etc/puppet/manifests/”
• facilitate sharing and reusing

Manifests

• Puppet configuration scripts (in Ruby code)
• “.pp” extension
• domain-specific language (DSL): Ruby language

指令

class cnos::vlan {  
  cnos_vlan { '10':    
    ensure      => 'present',    
    vlan_id     => 10,    
    admin_state => 'up',    
    vlan_name   => '9tut',  
  }
}

$ puppet apply vlan.pp
Notice: Compiled catalog for puppetmaster.9tut in environment production in 0.03 seconds
Notice: Finished catalog run in 0.03 seconds