jinja woes

[Barry Kaplan]

I really want better fp support for collections.

With the following, where state defaults to enabled

- role: rabbitmq
  rabbitmq_plugins:
    - name: rabbitmq_management
    - name: rabbitmq_autocluster_consul
      url: https://github.com/aweber/.../rabbitmq_autocluster_consul-0.2.0.ez
      state: enabled

I want a task like:

- name: Enable plugins
  rabbitmq_plugin:
    names: "{{rabbitmq_plugins.filter(p => p.state is not defined or p.state == 'enabled').map(_.name).join(',')}}"
    new_only: yes
    state: enabled
  with_items: rabbitmq_plugins

  notify:
    - rabbitmq restart

Where of course the expression for 'names' is a dream. Its seems so painful to work with collections. 

I know can create a template and use a lookup, or create a filter plugin. But it should be easier.

Any nuggets out there from the ansible gurus? 

 

[Barry Kaplan]

So I ended up with

{% for plugin in rabbitmq_plugins if plugin.state is not defined or plugin.state == 'enabled' -%}
  {{plugin.name}}{% if not loop.last %}{{','}}{% endif %}
{% endfor %}

Not terrible, but...