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Friday Morning Warmup!

Welcome back everyone! Yesterday we learned about collections and how they enable you to download and immediately use new modules and roles.

We're going to use a fun little collection that simplifies accessing the Pokemon API! This site returns more Pokemon data than you could imagine, including pictures of your favorite battling critters!

Start by heading to the documentation for the collection we're using here at Ansible Galaxy and read up on what the module in this collection does.

GOALS:

  • There are NO ERRORS in the playbook below! However, it won't run. Figure out why :)
  • Add a task that uses the URL saved in the pic_url_var variable to download the picture to your /home/student/static directory.
  • OPTIONAL- add a vars_prompt so every time the playbook runs we can be prompted to type in the name of a different Pokemon to download!
    • IMPORTANT: if the name of the Pokemon is not LOWERCASE this will fail! Hmmm... is there a tool we learned that can guarantee this?
---
- name: Fetch Pokémon data using the pokeapi module
  hosts: localhost
  gather_facts: no

  collections:
    - rzfeeser.pokeapi

  tasks:
    - name: Using the name of a Pokémon, collect API data
      rzfeeser.pokeapi.pokeapi_info:
        resource: pokemon
        name: "mewtwo"
      register: pokemon_data

    - name: the set_fact module lets you declare a new variable mid-play!
      set_fact:
        pic_url_var: "{{ pokemon_data.pokeapi_json.sprites.front_default }}"

    - name: print out the URL to a picture of your selected pokemon
      debug:
        var: pic_url_var

HINTS

Why can't this run? I thought it wasn't broken!

You don't have the collection installed. Run ansible-galaxy install rzfeeser.pokeapi

How do I download the picture from the url?

Use the get_url module! Try something like this:

- name: download picture
  get_url:
    url: "{{ pic_url_var }}"
    dest: /home/student/static/
How do I force the Pokemon's name to be lowercase no matter what the user types in?

Use the Jinja2 filter |lower! Let's assume you wrote a vars_prompt that created a variable named poke_pick. Your pokeapi_info task would look something like this:

- name: Using the name of a Pokémon, collect API data
  rzfeeser.pokeapi.pokeapi_info:
    resource: "{{ poke_pick|lower }}" ### add |lower to the end of your variable here
    name: "mewtwo"
  register: pokemon_data