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Ansible Playbook Essentials by Gourav Shah

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Adding another layer – the MySQL role

So far, we have been focusing on the single tier of our infrastructure, that is, the web server layer. Writing code for just one tier is not a lot of fun. Being a cool DevOps team, we will create a multi-tier infrastructure with database, web server, and then, a load balancer. We will start creating the MySQL role next, apply everything that we have learnt so far, and extend that knowledge with a few new concepts.

Here is our specification for the MySQL role:

  • It should install the MySQL server package
  • It should configure 'my.cnf', which is the main configuration for the MySQL server
  • It should start the MySQL server daemon
  • It should support Ubuntu 12.04 as well as CentOS/RedHat Enterprise 6.x

Creating the scaffolding ...

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