---
# Copyright 2015, Rackspace US, Inc.
#
# 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: Group repo servers by architecture
  hosts: repo_all
  tasks:
    - name: Group repo servers by architecture
      group_by:
        key: repo_servers_{{ ansible_architecture }}
      tags:
        - always

    # Use the 'add_host' module to create the repo_nodes group. The add_hosts module
    # bypasses the play host loop of ansible and runs only once referencing the first
    # host.  To run it on each host we have to use with_items.  Also note, we have
    # to manually lookup the ansible_architecture for the 'item' host.
    - name: Prepare group of master repo servers
      local_action:
        module: "add_host"
        name: "{{ groups['repo_servers_' + hostvars[item].ansible_architecture][0] }}"
        groups: "repo_nodes"
      # Process all nodes that don't match the architecture of repo_all[0]
      when:
        - hostvars[item].ansible_architecture != hostvars[groups['repo_all'][0]].ansible_architecture
      with_items:
        - "{{ groups['repo_all'][1:] }}"
  tags:
    - repo-build

# repo_all[0] is built last to ensure it has all build artifacts for final indexing
#  The repo_nodes group will be populated with the first node of any other system running
#  different architectures. This group is a meta group created in the previous play and
#  will not be found within inventory.
- name: Build new repo packages for a given release
  hosts: repo_nodes, repo_all[0]
  gather_facts: "{{ gather_facts | default(True) }}"
  user: root
  serial: 1
  pre_tasks:

    - include: common-tasks/set-upper-constraints.yml

    - name: Load local packages
      debug:
        msg: "Loading Packages"
      with_py_pkgs: "{{ pkg_locations }}"
      register: local_packages
      tags:
        - always

    - name: Check if the git cache exists on deployment host
      local_action:
        module: stat
        path: "{{ repo_build_git_cache }}"
      register: _local_git_cache
      when: repo_build_git_cache is defined

    - name: Check if deployment host has the bind mount for the master repo container
      local_action:
        module: stat
        path: "{{ repo_build_git_bind_mount }}"
      register: _local_repo_bind_mount
      when:
        - inventory_hostname == groups['repo_all'][0]
        - _local_git_cache.stat is defined
        - _local_git_cache.stat.exists

    - name: Check if the repo container bind mount is empty
      local_action: command
        ls -1A {{ repo_build_git_bind_mount }}
      register: _local_repo_bind_mount_contents
      when:
        - _local_repo_bind_mount.stat is defined
        - _local_repo_bind_mount.stat.exists
        - not _local_repo_bind_mount.stat.islnk

    - name: Remove the bind mounted git directory so we can symlink the cache folder to replace it
      local_action:
        module: file
        path: "{{ repo_build_git_bind_mount }}"
        state: absent
      register: _local_repo_bind_mount_dir_remove
      when:
        - _local_repo_bind_mount.stat is defined
        - _local_repo_bind_mount.stat.exists
        - not _local_repo_bind_mount.stat.islnk
        - _local_repo_bind_mount_contents.stdout_lines | length == 0

    - name: Symlink the git cache into the repo container bind mount
      local_action:
        module: file
        src: "{{ repo_build_git_cache }}"
        dest: "{{ repo_build_git_bind_mount }}"
        state: link
      when:
        - _local_git_cache.stat is defined
        - _local_git_cache.stat.exists
        - _local_repo_bind_mount.stat is defined
        - _local_repo_bind_mount.stat.exists

    - name: Synchronise the contents of the git cache to the repo server
      synchronize:
        src: "{{ repo_build_git_cache }}"
        dest: "{{ repo_build_git_dir }}"
      when:
        - _local_git_cache.stat is defined
        - _local_git_cache.stat.exists
        - _local_repo_bind_mount.stat is defined
        - not _local_repo_bind_mount.stat.exists

  roles:
    - role: "repo_build"
      repo_build_release_tag: "{{ openstack_release }}"
  vars_files:
    - defaults/repo_packages/openstack_services.yml
  vars:
    pkg_locations:
      - ../
      - /etc/ansible/roles
      - /etc/openstack_deploy
  tags:
    - repo-build