---
# 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: Create scenario directories
      file:
        path: "{{ role_path_default }} + '/' + item.scenario }}"
        state: directory
      with_items: "{{ scenarios }}"
      loop_control:
        label: "{{ item.scenario }}"

    - name: Clone git repos (with git)
      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
      when:
        - item.scm == "git" or item.scm is undefined
      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: Check that scenarios exist
      stat:
        path: "{{ scenario_path_default }}/{{ item.scenario }}/{{ item.role }}"
      register: scenarios_list_exists
      with_items: "{{ scenarios }}"
      loop_control:
        label: "{{ item.scenario }}"

    - name: Plug in the scenario to XCI
      shell: >-
          cp -a {{ scenario_path_default }}/{{ item.item.scenario }}/{{ item.item.role }}
          {{ role_path_default }}/{{ item.item.scenario }}
      when: item.stat.exists
      with_items: "{{ scenarios_list_exists.results }}"
      loop_control:
        label: "{{ item.item.scenario }}"

    - name: Plug in the scenario to XCI (fallback)
      shell: >-
          cp -a {{ XCI_PATH }}/{{ item.item.role }}
          {{ role_path_default }}/{{ item.item.scenario }}
      when: not item.stat.exists
      with_items: "{{ scenarios_list_exists.results }}"
      loop_control:
        label: "{{ item.item.scenario }}"

    - name: Determine if selected {{ OPNFV_SCENARIO }} scenario can be deployed
      set_fact:
        deploy_scenario_on_flavor: XCI_FLAVOR in item.flavors
      when: OPNFV_SCENARIO == item.scenario
      with_items: "{{ scenarios }}"
      loop_control:
        label: "{{ item.scenario }}"

    - name: Fail if {{ XCI_FLAVOR }} is not supported in {{ OPNFV_SCENARIO }}
      fail:
        msg:
          - ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
          - ERROR! The {{ OPNFV_SCENARIO }} scenario does not support the {{ XCI_FLAVOR }}
          - ''
          - This is a great chance for you to contribute to XCI ;-)
          - ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
          - ''
      when:
        - not deploy_scenario_on_flavor

  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