Infrastructure as Code
(Puppet)
What?
Automation
No Shell scripts
Infrastructure Provisioning
Deployment/Cfg Management
What?...
Repeatable & Portable
Documentation
Why?
Scalability
Configuration Management
Popular Tools
Puppet
Chef
CF Engine
Ansible
Why?
Manual Installation
Not scalable
ShellShock - The bash bug
Heartbleed
Puppet
Defines the desired state of a server
package { 'apache2':
ensure => installed,
}user { 'manula':
ensure => present,
}
How puppet works
Master/Agent
Master-less
source: http://1.bp.blogspot.com/-7Khvw6cmhEE/UpVuIIGrd0I/AAAAAAAAAwQ/sGozkVJcH_g/s1600/puppet_flow.jpg