Ansible Galaxy

Ansible Galaxy Commands

Following are some of the useful Ansible Galaxy commands:

To create a role template:

ansible-galaxy init

To remove an installed role:

ansible-galaxy remove [role]  

To list the installed roles:

ansible-galaxy list  

Creating Roles with Ansible Galaxy

The Ansible Galaxy is a massive public archive of Ansible roles. Roles are included with READMEs that describe the roles and variables. Ansible Galaxy has a plethora of roles that are always changing and expanding. Git can be used by the Galaxy to provide additional role sources such as GitHub. 

You can use the ansible-galaxy init command to create a new galaxy role or use the ansible-galaxy install command to install a role directly from the Ansible galaxy role store. You must use the ansible-galaxy tool and associated templates to establish an Ansible role using the Ansible Galaxy. Before they can be utilised in the playbooks, roles must be downloaded. They are saved in the /etc/ansible/roles directory by default.

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Create Collections

Ansible Galaxy has been a tool for building and maintaining roles with new Ansible iterations, and you may expect to see updates or enhancements. The collections feature is available in Ansible version 2.8.

Collections are the Ansible content distribution format. They are capable of packaging and distributing roles, modules, playbooks, and plugins. Collections have the following basic structure:

The following commands are implemented by the ansible-galaxy-collection command. Some commands, such as:

• Build: It generates a collection artefact that you may upload to the galaxy or your personal repository.
• Init: It generates a basic collection Skeleton based on the Ansible default template or your own template.
• Install: It configures one or more connections.
• Publish: It makes available a built-in connection artefact to the galaxy.

Frequently Asked Questions

In what circumstances might Ansible Galaxy be used to install roles?

When configured, the ANSIBLE ROLES PATH variable is utilised during playbook execution to find installed roles and by ansible-galaxy to decide where to install roles. It can be configured to point to a single directory path or a list of paths (for example, /etc/ansible/roles:/.ansible/roles). When set to a list, Ansible-galaxy will install roles to the first writable path.

What makes Ansible different from Ansible Galaxy?

Ansible is an open-source configuration management tool, and Ansible Galaxy is a repository for Ansible roles.

How can I rename an Ansible role?

Create a github repo called myrole before renaming an ansible role.

Then, in ansible-galaxy, add a role and rename the original github project to ansible-myrole.

How do I list all the Ansible modules?

The command ansible-doc can be used to list the modules. This command will display all of the module information that is currently installed on your system.

What are Ansible callback plugins?

The majority of the output we see while executing cmd programmes is controlled by callback plugins. However, it can also be utilised to generate more output. The log plays callback, for example, is used for logging playbook events to a log file, and the mail callback is used to send emails when a playbook fails. Custom callback plugins can also be added by placing them in a callback plugins directory adjacent to play, within a role, or in one of the callback directory sources provided in ansible.cfg.

Conclusion 

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