Download e-book for iPad: Ansible: From Beginner to Pro by Michael Heap

By Michael Heap

ISBN-10: 1484216598

ISBN-13: 9781484216590

ISBN-10: 1484216601

ISBN-13: 9781484216606

This ebook is your concise advisor to Ansible, the straightforward solution to automate apps and IT infrastructure. In below 250 pages, this e-book takes you from realizing not anything approximately configuration administration to knowing the best way to use Ansible in a certified setting.

You will the right way to create an Ansible playbook to immediately organize an atmosphere, able to set up an open resource venture. You’ll extract universal initiatives into roles for you to reuse throughout all of your initiatives, and construct your infrastructure on most sensible of latest open resource roles and modules which are to be had that you can use. you'll learn how to construct your personal modules to accomplish activities particular for your enterprise. by way of the top you'll create a complete cluster of virtualized machines, all of that have your functions and all their dependencies put in immediately. ultimately, you will try out your Ansible playbooks.

Ansible can do as a lot or as low as you will want it to. Ansible: From newbie to Pro will educate you the most important abilities you should be an Ansible expert. You’ll be writing roles and modules and growing complete environments with out human intervention very quickly in any respect – upload it in your library today.

What you'll Learn

  • Learn why Ansible is so well known and the way to obtain and set up it
  • Create a playbook that instantly downloads and installs a favored open resource project
  • Use open resource roles to accomplish universal projects, and write your personal particular for your business
  • Extend Ansible by way of writing your personal modules
  • Test your infrastructure utilizing try out Kitchen and ServerSpec

  • Who This e-book Is For
    Ansible: From newbie to professional is for builders that at present create improvement and creation environments via hand. when you're operating apt-get set up regularly, this e-book is for you. Ansible provides reproducibility and saves you time abruptly. Ansible: From newbie to Pro is superb for any developer eager to increase their skillset and examine new instruments.

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Extra info for Ansible: From Beginner to Pro

Sample text

6 won’t start up with the 480 MB that Vagrant allocated by default. 20" © Michael Heap 2016 M. 20 and 1 GB of memory allocated when you run vagrant up, which is more than enough to get WordPress installed and configured. Run vagrant up now to create your machine. Installing Dependencies To run WordPress, you will need three pieces of software: PHP, nginx, and MySQL. yml, we specify on which hosts the playbook should run as well as a set of tasks to run. You start with your standard playbook, which proves that you can talk to the environment on which you are testing.

Ansible expects a specific JSON format to be returned by any executable that is used to provide a machine inventory. com", "ansible_port": "50022", "ansible_user": "automation"}}}} The first key is the name of your script, and the value is the name of the host to be used in the inventory file. Then, for each name there’s some metadata that contains the SSH host to use, which user to log in as, and which SSH port to use. Imagine that you have a database listing all of your machines, and you want to use that database as your inventory file.

To do this, you can use the openssl utility to generate a 15-character password. Add the following to your playbook: - name: Generate new root password command: openssl rand -hex 7 register: mysql_new_root_pass Here, we use a feature of Ansible that you haven’t seen before called register. The register keyword lets you save the return value of commands as a variable for use later in a playbook. The next thing to do is to remove the anonymous users and test databases. This is very straightforward, thanks to the mysql_db and mysql_user modules.

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Ansible: From Beginner to Pro by Michael Heap

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