---
# 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: Playbook for pre-role testing
  hosts: localhost
  connection: local
  pre_tasks:
    - name: First ensure apt cache is always refreshed
      apt:
        update_cache: yes
    - name: Ensure root ssh key
      user:
        name: "{{ ansible_env.USER | default('root') }}"
        generate_ssh_key: "yes"
        ssh_key_bits: 2048
        ssh_key_file: ".ssh/id_rsa"
    - name: get the calling users key
      command: cat ~/.ssh/id_rsa.pub
      register: key_get
    - set_fact:
        lxc_container_ssh_key: key_get.stdout
    - name: Check if this is an OpenStack-CI nodepool instance
      stat:
        path: /etc/nodepool/provider
      register: nodepool
    - name: Set the files to copy into the container cache for OpenStack-CI instances
      set_fact:
        lxc_container_cache_files:
          - { src: '/etc/pip.conf', dest: '/etc/pip.conf' }
          - { src: '/etc/apt/apt.conf.d/99unauthenticated', dest: '/etc/apt/apt.conf.d/99unauthenticated' }
      when: nodepool.stat.exists | bool
    - name: Determine the existing Ubuntu repo configuration
      shell: 'awk "/^deb .*ubuntu\/? {{ ansible_distribution_release }} main/ {print \$2; exit}" /etc/apt/sources.list'
      register: ubuntu_repo
      changed_when: false
    - name: Set apt repo facts based on discovered information
      set_fact:
        lxc_container_template_main_apt_repo: "{{ ubuntu_repo.stdout }}"
        lxc_container_template_security_apt_rep: "{{ ubuntu_repo.stdout }}"
  roles:
    - role: "lxc_hosts"
      lxc_net_address: 10.100.100.1
      lxc_net_dhcp_range: 10.100.100.2,10.100.100.253
      lxc_net_bridge: lxcbr0
      lxc_kernel_options:
        - { key: 'fs.inotify.max_user_instances', value: 1024 }
      lxc_container_caches:
        - url: "https://rpc-repo.rackspace.com/container_images/rpc-trusty-container.tgz"
          name: "trusty.tgz"
          sha256sum: "56c6a6e132ea7d10be2f3e8104f47136ccf408b30e362133f0dc4a0a9adb4d0c"
          chroot_path: trusty/rootfs-amd64
  post_tasks:
    # Inventory is being pre-loaded using a post tasks instead of through a dynamic
    #  inventory system. While this is not a usual method for deployment it's being
    #  done for functional testing.
    - name: Create container hosts
      add_host:
        groups: "all,all_containers"
        hostname: "{{ item.name }}"
        inventory_hostname: "{{ item.name }}"
        ansible_ssh_host: "{{ item.address }}"
        ansible_become: true
        properties:
          service_name: "{{ item.service }}"
        container_networks:
          management_address:
            address: "{{ item.address }}"
            bridge: "lxcbr0"
            interface: "eth1"
            netmask: "255.255.252.0"
            type: "veth"
        physical_host: localhost
        container_name: "{{ item.name }}"
      with_items:
        - { name: "container1", service: "service1", address: "10.100.100.101" }
        - { name: "container2", service: "service2", address: "10.100.100.102" }

- name: Playbook for role testing
  hosts: all_containers
  connection: local
  gather_facts: false
  roles:
    - role: "{{ rolename | basename }}"
      lxc_container_release: trusty
      lxc_container_backing_store: dir
      global_environment_variables:
        PATH: "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

- name: Test whether the role produced expected results
  hosts: localhost
  tasks:
    - name: List the running LXC containers present on the host
      command: lxc-ls -1 --fancy --fancy-format name,ipv4 --running
      register: lxc_container_list
    - name: Verify that the expected containers are present with the correct addresses
      # Example stdout:
      # NAME        IPV4
      # ---------------------------------------
      # container1  172.16.12.3, 10.100.100.101
      # container2  10.100.100.102, 172.16.12.4
      assert:
        that:
          - lxc_container_list.stdout | search("container1\s+(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3},\s+)*10.100.100.101(,\s+\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})*\s+")
          - lxc_container_list.stdout | search("container2\s+(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3},\s+)*10.100.100.102(,\s+\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})*\s+")