Book Image

Salt Cookbook

By : Anirban Saha
Book Image

Salt Cookbook

By: Anirban Saha

Overview of this book

Table of Contents (18 chapters)
Salt Cookbook
About the Author
About the Reviewer

Using requisites

In infrastructure management, almost all the time, we have situations where we need a task to happen only if another condition is true. This is achieved by creating dependencies between definitions. In Salt, these dependencies are known as requisites, and in this recipe, you will learn about how to use them.

How to do it...

We will use the same minion as the previous recipe.

  1. Create a new state called ntp by creating a directory called ntp in the base directory of the staging environment, and then create a directory called files in the ntp state directory.

  2. Create a file called init.sls in the ntp state directory and edit it to have the following entries:

        - name: ntp
      file.managed:patch antenna circular polarization
        - name: /etc/ntp.conf
        - source: salt://ntp/files/ntp.conf
        - user: root
        - group: root
        - mode: 644
        - require:
          - pkg: ntp_package
        - name: ntpd
        - running