Linux - Saltstack

SaltStack Overview

pub/sub protocol

Saltstack Components

- Salt-Master
- Salt-Minion
- Execution Modules
- States and Formulas (formula = series of states)
- Grains
- Pillars
- Runners
- Returners
- Beacons and Reactions
- Salt SSH
- Salt Cloud

Installing Salt-Master and Salt-Minion

Installation Components

- salt-master
- salt-minion
- salt-ssh
- salt-syndic
- salt-cloud
- salt-api

Setting up the saltmaster

sh# hostnamectl set-hostname saltmaster-1

sh# vi /etc/hosts

...

127.0.0.1 saltmaster-1

sh# curl -L https://bootstrap.saltstack.com -o bootstrap-salt.sh

sh# sh ./bootstrap-salt.sh -P -M -N

Setting up the saltminion

sh# hostnamectl set-hostname minion-1

sh# vi /etc/hosts

...

127.0.0.1 minion-1

<IP_OF_MASTER> saltmaster-1

sh# curl -L https://bootstrap.saltstack.com -o bootstrap-salt.sh

sh# sh ./bootstrap-salt.sh -P

sh# vi /etc/salt/minion

...

master: saltmaster-1

sh# systemctl restart salt-minion

Key Management

# salt-key -L

# salt-key -F

# vi /etc/salt/minion

master_key: 'FingerPrint of Master Public Key'

Master Configuration

# cd /etc/salt/master.d/

# vi file_roots.conf

file_roots:

base:

- /srv/salt

# cd /etc/salt/

# vi master

file_roots:

base:

- /srv/salt

Minion Configuration

# cd /etc/salt/minion.d

# vi grains.conf

grains:

roles:

- master

# cd /etc/salt

# vi minion

grains:

roles:

- master

Salt-Master

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