---
# Copyright 2014, 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: Remove old key file(s) if found
  file:
    path: "{{ item }}"
    state: "absent"
  with_items:
    - "{{ nova_system_home_folder }}/.ssh/authorized_keys"
    - "{{ nova_system_home_folder }}/.ssh/id_rsa"
    - "{{ nova_system_home_folder }}/.ssh/id_rsa.pub"
  tags:
    - nova-key
    - nova-key-create

- name: Create the nova SSH config file
  copy:
    src: "ssh_config"
    dest: "/var/lib/nova/.ssh/config"
    owner: "{{ nova_system_user_name }}"
    group: "{{ nova_system_user_name }}"
    mode: "0644"
  tags:
    - nova-key
    - nova-key-create

- name: Create the nova SSH key if it doesnt exist
  command: |
    ssh-keygen -f {{ nova_system_home_folder }}/.ssh/id_rsa -t rsa -q -N ""
  sudo: yes
  sudo_user: "{{ nova_system_user_name }}"
  tags:
    - nova-key
    - nova-key-create

- name: Create empty 'authorized_keys' file
  file:
    path: "{{ nova_system_home_folder }}/.ssh/authorized_keys"
    state: "touch"
  tags:
    - nova-key
    - nova-key-create

- name: Change permissions on the generated keys
  file:
    path: "{{ item.path }}"
    group: "{{ nova_system_user_name }}"
    owner: "{{ nova_system_user_name }}"
    mode: "{{ item.mode }}"
  with_items:
    - { path: "{{ nova_system_home_folder }}/.ssh/authorized_keys", mode: "0700" }
    - { path: "{{ nova_system_home_folder }}/.ssh/id_rsa", mode: "0600" }
    - { path: "{{ nova_system_home_folder }}/.ssh/id_rsa.pub", mode: "0644" }
  tags:
    - nova-key
    - nova-key-create

- name: Get public key contents
  command: |
    cat {{ nova_system_home_folder }}/.ssh/id_rsa.pub
  register: nova_pub
  changed_when: false
  tags:
    - nova-key
    - nova-key-create

- name: Build authorized keys
  shell: |
    echo "{{ nova_pub.stdout }}" | tee -a {{ nova_system_home_folder }}/.ssh/authorized_keys
  delegate_to: "{{ groups['nova_compute'][0] }}"
  tags:
    - nova-key
    - nova-key-create