An introduction to SaltStack

by Viet Hung Nguyen

robotinfra.com

• Blog: familug.org
• Everywhere name: hvnsweeting

Saltstack.com

Official Vietnam SaltStack user group

http://www.meetup.com/VietNam-SaltStack-Meetup/

Opensource

http://github.com/saltstack/

What next?

• Automation evolution
• Installing saltstack
• Salt components
• Two ways of using Salt
• Practice, practice, practice
• Q&A

Automation evolution

Problems 😨

• Install software on multiple machines (server)
• Managing file contents
• Auto deployment?
• 100 machines ?
• How long? how many people?
• What installed on this machine?
• What if mrX leave company?

Solutions 🤓

Bash (shell)

It's all about that bash,

'bout that bash

'bout that bash

not problem!

Bash

- Ubiquitous

- Easy to run any commands

Bash

- How to managing file?

- Change content of a file? sed?

- Can I run this script again?

Bash

- Cryptic language

- Organizing modules?

Fabric/Capistrano

• Remote execution

• Write python/ruby code

Configuration management

- CF engine

- Puppet

- Chef

- Salt

- Ansible

Comparing 🙄

http://blog.takipi.com/deployment-management-tools-chef-vs-puppet-vs-ansible-vs-saltstack-vs-fabric/

Puppet/Chef

- Write Ruby code

- Steep learning path

- Chef still requires 4GB server?

SaltStack/Ansible

YAML config file

Awards

https://saltstack.com/awards/

Customer?

• LinkedIn (now in Microsoft)
• Photobucket
• Rackspace
• Hulu
• HP cloud
• ...

Stop the ads...

Stop comparing ...

Let's get your hands dirty 🙌
 

Install SaltStack

Install on your OSes

https://docs.saltstack.com/en/latest/contents.html

Pkg: salt-minion

Remote execution

https://docs.saltstack.com/en/latest/ref/modules/all/index.html

Configuration management

https://docs.saltstack.com/en/latest/ref/states/all/

Serverless salt

/srv/salt

/srv/pillar (later)

Usecase1: vim

Usecase2: postgresql

Usecase3: build app from source

redis

What's wrong?

• App build all the time
• I don't want to build app on all machines

Redis from PPA

• ppa:chris-lea/redis-server

Components

State (SLS file) - formula

Grains

Pillar

Grains

Provides static - system data

Pillar

Provides user data

For states

Usecase4: setup postgresql db

Usecase5: setup Mattermost chat service

More formulas?

https://github.com/saltstack-formulas
https://github.com/bclermont/states
https://github.com/hvnsweeting/saltstates # old

Q & A