Ansible day 03
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Playbooks are text files that use YAML syntax to automate tasks and define configurations for managing infrastructure and applications through Ansible. Playbooks can be used for complex provisioning scenarios and offer more flexibility than ad-hoc commands. They allow grouping of plays that assign specific roles to hosts to orchestrate multiple diverse servers through a single playbook.
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Ansible day 03
- 1. ANSIBLE PLAYBOOKS • Playbooks are text file written in YAML format. Compared to the languages used in other configuration management tools such as puppet, the syntax used in playbook is much easier to write and comprehend. • In comparison with ad-hoc commands, playbooks are used in complex scenarios, and they offer increased flexibility. • Playbooks use YAML format, so there is not much syntax needed, but indentation must be respected. Ansible playbooks tend to be more of a configuration language than a programming language. • Like the name is saying, a playbook is a collection of plays. Through a playbook, you can designate specific roles to some of the hosts and other roles to other hosts. By doing so, you can orchestrate multiple servers in very diverse scenarios, all in one playbook.
- 4. COMMANDS • ansible-playbook playbook.yml –syntax-check //checking the syntax of the playbook • ansible-playbook playbook.yml //run the playbook • ansible-playbook –i inventory playbook.yml // run the playbook with custom inventory • ansible-playbook --step playbook.yml //run the playbook with step by step execution
- 5. MANAGING VARIABLES • Variables in Playbook • Host variables and group variables • Managing Facts
- 11. ANSIBLE FACTS
- 14. JINGA2 TEMPLATES • Introduction to Jinga2 Templates • String manipulation • Examples
- 15. INTRODUCTION TO JINGA2 TEMPLATES