---
# Install the Skupper operator (cluster-scope) on the current cluster.
#
# Variables:
#   cifmw_skupper_install_source   (default: upstream)
#     upstream   - apply the upstream install YAML from skupper.io
#     downstream - apply a locally-downloaded Red Hat Service Interconnect YAML
#   cifmw_skupper_upstream_install_url (default: https://skupper.io/v2/install.yaml)
#   cifmw_skupper_downstream_install_file (no default; required when source=downstream)
- name: Install Skupper operator
  hosts: "{{ cifmw_target_hook_host | default('localhost') }}"
  gather_facts: false
  vars:
    cifmw_skupper_install_source: upstream
    cifmw_skupper_upstream_install_url: "https://skupper.io/v2/install.yaml"
    cifmw_skupper_downstream_install_file: ""
  tasks:
    - name: Check if Skupper CRD is already present
      kubernetes.core.k8s_info:
        api_version: apiextensions.k8s.io/v1
        kind: CustomResourceDefinition
        name: sites.skupper.io
      register: _skupper_crd

    - name: Fetch upstream Skupper install YAML
      when:
        - _skupper_crd.resources | length == 0
        - cifmw_skupper_install_source == 'upstream'
      ansible.builtin.uri:
        url: "{{ cifmw_skupper_upstream_install_url }}"
        return_content: true
      register: _skupper_upstream_content

    - name: Apply upstream Skupper install YAML
      when:
        - _skupper_crd.resources | length == 0
        - cifmw_skupper_install_source == 'upstream'
      kubernetes.core.k8s:
        state: present
        definition: "{{ item }}"
      loop: "{{ _skupper_upstream_content.content | from_yaml_all | select('ne', None) | list }}"

    - name: Apply downstream Skupper install YAML (Red Hat Service Interconnect)
      when:
        - _skupper_crd.resources | length == 0
        - cifmw_skupper_install_source == 'downstream'
      ansible.builtin.assert:
        that: cifmw_skupper_downstream_install_file | length > 0
        fail_msg: >-
          cifmw_skupper_downstream_install_file must be set when
          cifmw_skupper_install_source is 'downstream'.

    - name: Apply downstream install file
      when:
        - _skupper_crd.resources | length == 0
        - cifmw_skupper_install_source == 'downstream'
        - cifmw_skupper_downstream_install_file | length > 0
      kubernetes.core.k8s:
        state: present
        src: "{{ cifmw_skupper_downstream_install_file }}"

    - name: Wait for Skupper controller to be ready
      # The upstream install names the deployment "skupper-controller" while the
      # downstream Red Hat Service Interconnect install uses
      # "skupper-controller-manager".  List all Deployments in the namespace and
      # wait until at least one is fully ready, regardless of name.
      kubernetes.core.k8s_info:
        api_version: apps/v1
        kind: Deployment
        namespace: skupper
      register: _skupper_deploy
      retries: 30
      delay: 10
      until:
        - _skupper_deploy.resources | length > 0
        - _skupper_deploy.resources |
          selectattr('status.readyReplicas', 'defined') |
          selectattr('status.readyReplicas', 'ge', 1) | list | length > 0