Which three features are included in the Jinja2 templates?

Features

  • 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.

How do you use a while loop in Jinja2?

To loop in Jina2 you have to use : for. To end the loop in the for block you can use break. See : http://jinja.pocoo.org/docs/extensions/#loop-controls.

What are the delimiters used in the Jinja2 template give examples?

The default Jinja delimiters are configured as follows:

  • {% %} for Statements.
  • {{ }} for Expressions to print to the template output.
  • {# #} for Comments not included in the template output.
  • # ## for Line Statements.

Why is it called Jinja2?

Why is it called Jinja? ¶ The name Jinja was chosen because it’s the name of a Japanese temple and temple and template share a similar pronunciation. It is not named after the city in Uganda.

What is Jinja2 template?

Jinja2 is a Python library that you can use to construct templates for various output formats from a core template text file. It can be used to create HTML templates for IBM® QRadar® applications.

What is Jinja2 template in Ansible?

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.

How do you test for Jinja2?

A method of unit testing Jinja2 templates

  1. unittest boilerplate.
  2. A directory for saving compiled templates.
  3. Read in each data set.
  4. Render J2.
  5. Check that the rendered J2 is valid YAML.
  6. Check that Yamllint passes on the rendered template.
  7. Check that the rendered J2 cloudformation validates.
  8. All together.

How do you iterate in Jinja?

How to iterate through a list of dictionaries in Jinja template?

  1. Data: parent_list = [{‘A’: ‘val1’, ‘B’: ‘val2’}, {‘C’: ‘val3’, ‘D’: ‘val4’}]
  2. in Jinja2 iteration: {% for dict_item in parent_list %} {% for key, value in dict_item.items() %} Key: {{key}}

    Value: {{value}}

    {% endfor %} {% endfor %}

  3. Note:

What is Jinja2 used for?

Jinja, also commonly referred to as “Jinja2” to specify the newest release version, is a Python template engine used to create HTML, XML or other markup formats that are returned to the user via an HTTP response.

What is Jinja2 in Ansible?

How do you create a variable in Jinja?

{{ }} tells the template to print the value, this won’t work in expressions like you’re trying to do. Instead, use the {% set %} template tag and then assign the value the same way you would in normal python code. It was great explanation and simple one.