What is setup module in ansible?
This module is automatically called by playbooks to gather useful variables about remote hosts that can be used in playbooks. It can also be executed directly by /usr/bin/ansible to check what variables are available to a host. Ansible provides many facts about the system, automatically.
How do you call a module in ansible playbook?
You can execute modules from the command line.
- ansible webservers -m service -a “name=httpd state=started” ansible webservers -m ping ansible webservers -m command -a “/sbin/reboot -t now”
- – name: reboot the servers command: /sbin/reboot -t now.
- – name: restart webserver service: name: httpd state: restarted.
How do I set up ansible playbook?
How to Install Ansible?
- Step 1: Update Your Control Node.
- Step 2: Install EPEL Repository.
- Step 3: Install Ansible.
- Step 4: Create a User for Ansible.
- Step 5: Configure Our Admin User for SSH Access.
- Step 6: Create an Inventory.
- Step 7: Create an Ansible Playbook.
- Step 8: Run the Playbook.
How can you use your own custom modules in ansible playbook?
Creating a simple custom module
- #!/usr/bin/python from ansible.
- – hosts: localhost tasks: – name: Test that my module works github_repo: register: result – debug: var=result.
What is setup module used for?
How does Ansible module work?
Ansible works by connecting to your nodes and pushing out small programs, called “Ansible modules” to them. These programs are written to be resource models of the desired state of the system. Ansible then executes these modules (over SSH by default), and removes them when finished.
How do I list installed Ansible modules?
Ansible has a very attractive command named ansible-doc. This command will tell all the module details installed in your system.
How do I find Ansible module code?
You can find the module utility source code in the lib/ansible/module_utils directory under your main Ansible path.
How do I use the playbook in Ansible?
There are four ways to run ansible playbook locally and we have listed them all here.
- Method1: Specify Localhost in your hosts directive of your playbook.
- Method2: Using local_action clause in the ansible playbook.
- Method3: Add an entry in your Inventory.
- Method4: Specify in the Ansible Command line.
How do Ansible playbooks work?
An Ansible® playbook is a blueprint of automation tasks—which are complex IT actions executed with limited or no human involvement. Ansible playbooks are executed on a set, group, or classification of hosts, which together make up an Ansible inventory.
Can we create our own module in Ansible?
A module provides a defined interface, accepts arguments, and returns information to Ansible by printing a JSON string to stdout before exiting. If you need functionality that is not available in any of the thousands of Ansible modules found in collections, you can easily write your own custom module.
How do I list Ansible modules?
Ansible has a very attractive command named ansible-doc. This command will tell all the module details installed in your system. For example if you want to see the details of the service module, then the command should be as follows.