---
# Copyright 2017, 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 witing, 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: Gather facts
  hosts: pxe_hosts
  pre_tasks:
    - name: Gather variables for each operating system
      include_vars: "{{ item }}"
      with_first_found:
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}.yml"
      tags:
        - always

  tasks:
    - name: Install repo caching server packages
      package:
        name: "{{ item }}"
        state: "latest"
      with_items: "{{ mnaio_pkg_cache_server_distro_packages }}"

    - name: Create cache directory
      file:
        path: "/var/www/pkg-cache"
        state: "directory"
        owner: "apt-cacher-ng"
        group: "www-data"
        mode: "02775"

    - name: Stat the cache path
      stat:
        path: /var/cache/apt-cacher-ng
      register: acs

    - name: Remove cacher directory if its a directory
      file:
        path: "/var/cache/apt-cacher-ng"
        state: "absent"
      when:
        - acs.stat.isdir is defined and acs.stat.isdir

    - name: Link cacher to the repo path
      file:
        src: "/var/www/pkg-cache"
        dest: "/var/cache/apt-cacher-ng"
        state: "link"

    - name: create yum merged mirror list
      shell: |
        curl https://www.centos.org/download/full-mirrorlist.csv | sed 's/^.*"http:/http:/' | sed 's/".*$//' | grep ^http >/etc/apt-cacher-ng/centos_mirrors
        echo "http://mirror.centos.org/centos/" >>/etc/apt-cacher-ng/centos_mirrors

    - name: override default ubuntu mirror list
      copy:
        dest: /etc/apt-cacher-ng/backends_ubuntu
        mode: 0644
        owner: root
        group: root
        content: 'http://archive.ubuntu.com/ubuntu/'
      notify:
        - reload acng

    - name: Drop acng.conf
      template:
        src: "pxe/acng.conf.j2"
        dest: "/etc/apt-cacher-ng/acng.conf"
      notify:
        - reload acng

  post_tasks:
    - name: Drop apt package manager proxy
      copy:
        content: 'Acquire::http { Proxy "{{ default_ubuntu_mirror_proxy }}"; };'
        dest: "/etc/apt/apt.conf.d/00apt-cacher-proxy"

    - name: Update apt when proxy is added
      apt:
        update_cache: yes

  environment: "{{ deployment_environment_variables | default({}) }}"

  handlers:
    - name: reload acng
      service:
        name: "apt-cacher-ng"
        state: restarted
        enabled: yes

  tags:
    - deploy-acng