How to Use Ansible Template Module

1. How do I use Ansible template module?
2. What does template module do in Ansible?
3. How do I run Ansible module?
4. What is the difference between copy and template module in Ansible?
5. How does Jinja template work?
6. How do I create an Ansible file with contents?
7. What is Ansible Jinja template?
8. Which three features are included in Jinja2 templates?
9. What is Hostvars Ansible?
10. How do I run Ansible Yaml file?
11. How do I run Ansible commands?
12. How do I find the path of an Ansible module?

How do I use Ansible template module?

This is where Ansible template modules come into play. Templates are simple text files that we use in Ansible which contains all your configuration parameters. During the playbook execution, depending on the conditions like which cluster you are using, the variables will be replaced with the relevant values.

What does template module do in Ansible?

The template module also copies a file to a remote server, but it allows you to use Jinja2 to render a template to a file dynamically. This enables you to use variables, such as Ansible facts, to customize a particular file for a specific server.

How do I run Ansible module?

Run Your First Command and Playbook

1. Prerequisites.
2. Install Ansible.
3. Establish a manual connection to a managed node.
4. Run your first network Ansible command.
5. Create and run your first network Ansible Playbook.
6. Gathering facts from network devices.

What is the difference between copy and template module in Ansible?

copy takes a file from host, ... template takes a file (template) from host, changes variables based on Jinja2 filtering, and copies it to the remote destination.

How does Jinja template work?

Jinja2 is a modern day templating language for Python developers. It was made after Django's template. It is used to create HTML, XML or other markup formats that are returned to the user via an HTTP request. You can read more here.

How do I create an Ansible file with contents?

Use Ansible to set up a number of tasks that the remote hosts can perform, including creating new files and directories.
...
Creating a File With Content

1. copy : Engages Ansible's copy module.
2. dest : Defines the path for your new file.
3. content : This parameter will add line 01 and line 02 as the content of the new file.

What is Ansible Jinja template?

Jinja2 templates are simple template files that store variables that can change from time to time. When Playbooks are executed, these variables get replaced by actual values defined in Ansible Playbooks. This way, templating offers an efficient and flexible solution to create or alter configuration file with ease.

Which three features are included in Jinja2 templates?

Some of the features of Jinja are:

• sandboxed execution.
• automatic HTML escaping to prevent cross-site scripting (XSS) attacks.
• template inheritance.
• compiles down to the optimal Python code just-in-time.
• optional ahead-of-time template compilation.

What is Hostvars Ansible?

The most commonly used magic variables are hostvars , groups , group_names , and inventory_hostname . With hostvars , you can access variables defined for any host in the play, at any point in a playbook. You can access Ansible facts using the hostvars variable too, but only after you have gathered (or cached) facts.

How do I run Ansible Yaml file?

Running the Playbook

Use the ansible-playbook command to run the sample-playbook. yml file. Use the optional argument -i to point to the inventory file. If the -i option is not used, and there is no ansible.

How do I run Ansible commands?

The command module takes the command name followed by a list of space-delimited arguments. The given command will be executed on all selected nodes. The command(s) will not be processed through the shell, so variables like $HOSTNAME and operations like "*" , "<" , ">" , "|" , ";" and "&" will not work. Use the ansible.

How do I find the path of an Ansible module?

ansible/plugins/modules or /usr/share/ansible/plugins/modules ) , as we told earlier those are default directories configured to search for modules. You can find the path of existing modules using ansible-doc command as below.