---
# Copyright 2016, Rackspace US, Inc.
# Copyright 2017, SUSE LINUX GmbH.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Clone the scenario requirements
  hosts: localhost
  connection: local
  gather_facts: true
  vars_files:
    - ../var/opnfv.yml
  tasks:
    - name: Remove existing scenario directories
      file:
        path: "{{ item[1] }}/{{ item[0].scenario }}"
        state: absent
      with_nested:
        - "{{ scenarios }}"
        - [ "{{ scenario_path_default }}", "{{ role_path_default }}" ]
      loop_control:
        label: "{{ item[0].scenario }}"

    - name: Update scenarios with local overrides
      set_fact:
          scenarios: >
            {%- for z in xci_scenarios_overrides -%}
              {%- for x in scenarios if x.scenario == z.scenario  -%}
                {%- set _ = x.update(z) -%}
              {%- endfor -%}
            {%- endfor -%}
            {{- scenarios -}}
      with_items: "{{ xci_scenarios_overrides }}"
      loop_control:
        label: "{{ item.scenario }}"
      when: xci_scenarios_overrides is defined

    - name: Clone git repos
      git:
        repo: "{{ item.src }}"
        dest: "{{ scenario_path_default }}/{{ item.scenario | default(item.src | basename) }}"
        version: "{{ item.version | default('master') }}"
        refspec: "{{ item.refspec | default(omit) }}"
        update: true
        force: true
      with_items: "{{ scenarios }}"
      register: git_clone
      until: git_clone | success
      retries: "{{ git_clone_retries }}"
      delay: "{{ git_clone_retry_delay }}"
      loop_control:
        label: "{{ item.scenario }}"

    - name: Plug in the scenario Ansible roles to XCI
      synchronize:
        src: "{{ scenario_path_default }}/{{ item.scenario }}/{{ item.role }}/"
        dest: "{{ role_path_default }}/{{ item.role | basename }}"
      with_items: "{{ scenarios }}"
      loop_control:
        label: "{{ item.scenario }}"

    - name: Gather information about the selected {{ deploy_scenario }} scenario
      set_fact:
        deploy_scenario: "{{ item }}"
      with_items: "{{ scenarios }}"
      loop_control:
        label: "{{ item.scenario }}"
      when: deploy_scenario | lower == item.scenario

    - name: Determine if the selected {{ deploy_scenario }} scenario can be deployed
      block:
        - name: Set scenario installer fact
          set_fact:
            deploy_scenario_installer: "{{ item }}"
          with_items: "{{ deploy_scenario.installers }}"
          loop_control:
            label: "{{ item.installer }}"
          when: item.installer == installer_type
        - name: Set scenario flavor fact
          set_fact:
            deploy_scenario_flavor: "{{ (xci_flavor in deploy_scenario_installer.flavors) | bool }}"
          when:
            - deploy_scenario_installer is defined
            - deploy_scenario_installer
        - name: Set scenario distro flavor fact
          set_fact:
            deploy_scenario_distro: "{{ (xci_distro in deploy_scenario_installer.distros) | bool }}"
          when:
            - deploy_scenario_flavor is defined
            - deploy_scenario_flavor
      when: deploy_scenario is defined

    - name: Fail if {{ deploy_scenario.scenario }} is not supported
      fail:
        msg:
          - ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
          - ERROR! The {{ deploy_scenario.scenario }} scenario can't be deployed. This is because
          - the {{ installer_type }} XCI installer or the {{ xci_flavor }} flavor or the {{ xci_distro }}
          - distribution is not supported by this scenario. It may also be possible that
          - this scenario doesn't exist at all or it's not listed in {{ scenario_file }}.
          - ''
          - This is a great chance for you to contribute to XCI ;-)
          - ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
          - ''
      when:
        - deploy_scenario is not defined or
          deploy_scenario_distro is not defined or
          (deploy_scenario_distro is defined and not deploy_scenario_distro)

  vars:
    ansible_python_interpreter: "/usr/bin/python"
    scenarios: "{{ lookup('file', scenario_file) | from_yaml }}"
    scenario_file: '../opnfv-scenario-requirements.yml'
    scenario_path_default: "{{ xci_scenarios_cache }}"
    role_path_default: "{{ playbook_dir }}/roles"
    git_clone_retries: 2
    git_clone_retry_delay: 5