Saltstack Study Notes (i)

Salt Introduction:

Salt (saltstack) is an infrastructure automation and configuration management tool, according to the official documentation, salt is a configuration management system capable of maintaining a remote node to a specified state (for example, to ensure that the specified package is installed and that the specified service is running). And can be distributed on the remote node to execute command and query data.

Installation

This document is Ubuntu 15.10 as test, and master and minion for the same machine

sudo apt-get install Python-software-propertiessudo add-apt-repository ppa:saltstack/saltsudo apt-get Updatesudo Apt-get Install salt-mastersudo apt-get install Salt-minionservice salt-master startservice salt-minion start

Configure Master to be localhost or 127.0.0.1 and restart Minion (you can also configure the ID)

Service Salt-minion Restart

View Salt-key

Salt-key-l

Accept Salt-key

Salt-key-a ' hostname '

Use

Here are some examples of use cases

For Nginx (install Nginx and start service)

Salt ' * ' pkg.install nginxsalt ' * ' Service.start nginx

For VIM (installation)

Salt ' * ' pkg.install vim

List NIC Information

Salt ' * ' network.intgerfaces

Execute shell command

Salt ' * ' cmd.run ' ls-l/etc '

Grains

A salt comes with an interface that can get some information from the bottom

See all grains in Minion

Salt ' * ' grains.ls

List data for grains

Salt ' * ' grains.data

Match all operating systems are CentOS minion, and Ping

Salt-g ' Os:centos ' test.ping

Matches the minion of the 64-bit CPU architecture and returns the core number of the CPU

Salt-g ' cpuarch:x86_64 ' Grains.item Num_cpus

To add new grain data

Open the Minion configuration file

/etc/salt/minion

Search Grains

Grains:roles:-Webserver-memcache Deployment:mydatacenter

You can modify the grain data for your custom

Roles:-Webserver-memcachedeployment:mydatacente

Restart Minion, you can query the master side to the new grains data

Wrong row

View debug information for master and minion

Salt-master-l debugsalt-minion-l Debug

Use the NC command in master to view port information for a Minion connection

Nc-v-Z salt.master.ip 4505nc-v-Z salt.master.ip 4506

Debug information for Salt-call

Salt-call-l Debug State.highstate

Front desk operation

Salt-minion &

Salt validation

List all keys on master

Salt-key-l

Accept all the keys

Slat-key-a

Set the root directory of the salt file

Edit Master configuration file

/etc/salt/master

Add to

Base:-/srv/salt/dev:-/srv/salt/dev/services-/srv/salt/dev/states prod:-/srv/salt/prod/services- /srv/salt/prod/states

/srv/salt/dev/states/srv/salt/dev/pillars

Salt states

Configure the following on master

/srv/salt/top.sls

#Code to add base: ' * ':-Webserve

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Saltstack Study Notes (i)