how did puppet change our system's life?

HOW DID PUPPET CHANGE OUR LIFE?

Introduction

Phùng Đắc Hưng

System Engineer at VNG Corporation

{Gmail, Twitter}/dachung666

Life when begin

Works Single Direct Small

Life before Puppet

Series Repeat Many roles

Solutions

Bash shell

Solutions

Bash shell Terminator

Solutions

Bash shell Terminator

Fabric python

Problems

Time to deploy High human error rate Misconfig Hard to manage

Config management tool

We have Centralized configurations, settings Declarative language Excute parallel Speed


We have Centralized configurations, settings Declarative language Excute parallel Speed

We have CFEngine Chef Puppet SaltStack

Puppet About Puppet

http://www.puppetlabs.com/

Puppet

Puppet master – Puppet agents

Puppet

Puppet master – Puppet agents Facter

Puppet

Puppet master – Puppet agents Facter Modules Manifest Resource type

Some results

Puppet with Linux OS kernel setting Deploy Web cluster Deploy Hadoop cluster

Linux OS kernel setting

Usage /etc/sysctl.conf sysctl -w

Before : net.ipv4.ip_forward = 0 After: net.ipv4.ip_forward = 1

Deploy Web cluster

Deploy a web node nginx php Folder

Excute parallel in multiple servers Using mcollective* Puppet reports

Deploy Hadoop cluster

Having many roles Each server keep some roles


Open new feature


Open new feature Living Documentation (*)

(*) http://bit.ly/1hkaTnj


Open new feature Living Documentation (*) Consistent

configuration



Open new feature Living Documentation (*) Consistent configuration

DevOps


Life change

Improve performance New skills Have more free time

Technology