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Salt Cookbook

You're reading from   Salt Cookbook Over 80 hands-on recipes to efficiently configure and manage your infrastructure with Salt

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Product type Paperback
Published in Jul 2015
Publisher
ISBN-13 9781784399740
Length 350 pages
Edition 1st Edition
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Author (1):
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Anirban Saha Anirban Saha
Author Profile Icon Anirban Saha
Anirban Saha
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Toc

Table of Contents (13) Chapters Close

Preface 1. Salt Architecture and Components FREE CHAPTER 2. Writing Advanced Salt Configurations 3. Modules, Orchestration, and Scaling Salt 4. General Administration Tasks 5. Advanced Administration Tasks 6. Managing Application Servers 7. Managing Databases 8. Configuring Salt Cloud 9. Managing Amazon Web Services 10. Salt Event and Reactor System 11. Troubleshooting Index

Setting host entries and grains


In this recipe, we will continue with the general administration tasks and look at some more tasks that can be done efficiently with Salt. We will look at how to populate the system hosts file with entries for host lookup and how to populate minions with custom grains.

How to do it...

  1. Configure a minion in the staging environment called stgdc2dbs01. Do not configure any custom grains on the minion.

  2. Create a new state in the staging environment called hostconfig.

  3. Create and edit /opt/salt-cookbook/staging/hostconfig/hosts.sls to have the following entries:

    ntp-server:
      host.present:
        - ip: 192.168.0.10
  4. Create and edit /opt/salt-cookbook/staging/hostconfig/grains.sls to have the following entries:

    location:
      grains.present:
        {% if grains['fqdn'][3:6] == "dc1" %}
        - value: dc1
        {% elif grains['fqdn'][3:6] == "dc2" %}
        - value: dc2
        {% endif %}
    
    server_type:
      grains.present:
        {% if grains['fqdn'][6:9] == "app" %}
        - value: app
        {% elif grains...
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