eda_decision_environments.yml

In these files we configure the decision environments for eda controller.
NOTE we will not do this on a global level as we did with the execution environments, as the EDA configuration requires a decision environment to be organization specific. As the decision environment requires a credential from the same organization as the decision environment, we will configure this from the organization configuration.

group_vars/all/eda_decision_environments.yml

Here we see an example of the configuration for a decision environment to pull this image from a registry.

---
eda_decision_environments_all:

  - name: my_default_de
    description: my default decision environment
    image_url: "image_registry.example.com/default-de:latest"
    credential: my_credential
    organization: Default

...

But you can already see that the variable name used here has the "_all" extension, so the variable will not be overridden as this is not quite a inventory.
Why we do this, will become clear in a moment.

group_vars/dev/eda_decision_environments.yml

As we do not configure extra decision_environments in development, this file is an empty set.

---
eda_decision_environments_dev: []
  # No extra config exists
...

Here the variable has the "_dev" extension, so the variable will not be overridden.

group_vars/prod/eda_decision_environments.yml

As we do not configure extra decision_environments in prod, this file is an empty set.

---
eda_decision_environments_prod: []
  # No extra config exists
...

Here the variable has the "_prod" extension, so the variable will not be overridden.

When we run a pipeline for a certain environment, the inventory structure will provide us with 2 variables: - eda_decision_environments_all
- eda_decision_environments_

We will merge these 2 variables into 1: eda_decision_environments and feed this to the infra.aap_configuration.eda_decision_environments role.
In main.yml the merge of the variables is done by this piece of code:

    - name: Set the controller vars
      ansible.builtin.set_fact:
        controller_decision_environments: >
          {{ controller_decision_environments_all |
          community.general.lists_mergeby(vars['controller_decision_environments_' + branch_name],
          'name', recursive=true, list_merge='append') }}

This results in the controller_decision_environments variable the collection needs.

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