Live Demonstration of Real-Industry Use-Cases solved with Ansible Tower.
Ansible Tower is a GUI-based solution that makes Ansible even more easy to use for IT teams of all kinds. It’s designed to be the hub for all of your automation tasks. Ansible Tower is the Enterprise Ansible Solution built on top of Ansible Engine, whereas Ansible is also known as the Ansible Engine is the command-line tool.
We had a session with industry expert MR. Sreejith Anujan Sir and MR. Arun Eapen Sir which organized for the first time by Linux World Informatics Pvt.Ltd.
Its really a blessing being a Linux World student, everytime Vimal Daga Sir and Preeti Maam come up with surprises for their learners, This expert session was one of it, we never imagined that such professional will take time to teach us.
In the session which held on 28th December 2020, I came to know about ansible tower. Ansible tower is very easy to use once a person understand how to use it. Its easy to understand and has many feature. We always get report for the things we do on ansible tower. In ansible tower we get Graphical interface which makes it much easier to learn. Ansible tower provides feature of a cluster with a common database. This gives us a flexibility that even if one of the tower fails then we can still continue our work with a different tower. This flexibility is not there with the CLI ansible engine. If the controller node fails the whole automation system fails.
We use the playbook as a template in Ansible Tower and provide credential authentication to AWS, once the parameters are satisfied we can launch the template. Getting notification, adding credentials are very easy in ansible tower, this can be achieved with few click.
Ansible tower also provide workflow where we can ad the number of playbook/ template to be executed serially. Below is the mechanism of workflow:
Ansible Tower Workflow:
Workflows allow you to configure a sequence of disparate job templates (or workflow templates) that may or may not share inventory, playbooks, or permissions. However, workflows have ‘admin’ and ‘execute’ permissions, similar to job templates. A workflow accomplishes the task of tracking the full set of jobs that were part of the release process as a single unit.
Job or workflow templates are linked together using a graph-like structure called nodes. These nodes can be jobs, project syncs, or inventory syncs. A template can be part of different workflows or used multiple times in the same workflow. A copy of the graph structure is saved to a workflow job when you launch the workflow.
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