openstack-ansible-os_nova/tasks/nova_pre_install.yml

---
# 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: create the system group
  group:
    name: "{{ nova_system_group_name }}"
    gid: "{{ nova_system_group_gid|default(omit) }}"
    state: "present"
    system: "yes"
  tags:
    - nova-group

- 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"
  when:
    - nova_recreate_keys | bool
  tags:
    - nova-key
    - nova-key-create

- name: Create the nova system user
  user:
    name: "{{ nova_system_user_name }}"
    uid: "{{ nova_system_user_uid|default(omit) }}"
    group: "{{ nova_system_group_name }}"
    comment: "{{ nova_system_comment }}"
    shell: "{{ nova_system_shell }}"
    system: "yes"
    createhome: "yes"
    home: "{{ nova_system_home_folder }}"
    generate_ssh_key: "yes"
  tags:
    - nova-user
    - nova-key
    - nova-key-create

- name: Create Nova NFS mount point(s)
  file:
    path: "{{ item.local_path }}"
    state: directory
    mode: "0755"
  with_items: "{{ nova_nfs_client }}"
  tags:
    - nova-dirs

# NOTE(cloudnull): During an upgrade the local directory may exist on a source
#                  install. If the directory does exist it will need to be
#                  removed. This is required on source installs because the
#                  config directory is a link.
- name: Source config block
  block:
    - name: Stat config directory
      stat:
        path: "/etc/nova"
      register: nova_conf_dir_stat

    - name: Remove the config directory
      file:
        path: "/etc/nova"
        state: absent
      when:
        - nova_conf_dir_stat.stat.isdir is defined and
          nova_conf_dir_stat.stat.isdir
  when:
    - nova_install_method == 'source'

- name: Create nova dir
  file:
    path: "{{ item.path | default(omit) }}"
    src: "{{ item.src | default(omit) }}"
    dest: "{{ item.dest | default(omit) }}"
    state: "{{ item.state | default('directory') }}"
    owner: "{{ item.owner|default(nova_system_user_name) }}"
    group: "{{ item.group|default(nova_system_group_name) }}"
    mode: "{{ item.mode | default('0755') }}"
    force: "{{ item.force | default(omit) }}"
  when:
    - (item.condition | default(true)) | bool
    - item.path not in nova_mount_points
  with_items:
    - path: "/openstack"
      owner: "root"
      group: "root"
    - path: "{{ (nova_install_method == 'distro') | ternary('/etc/nova', (nova_bin | dirname) + '/etc/nova') }}"
      mode: "0755"
    # NOTE(cloudnull): The "src" path is relative. This ensures all files remain
    #                  within the host/container confines when connecting to
    #                  them using the connection plugin or the root filesystem.
    - dest: "/etc/nova"
      src: "{{ nova_bin | dirname | regex_replace('^/', '../') }}/etc/nova"
      state: link
      force: true
      condition: "{{ nova_install_method == 'source' }}"
    - path: "/etc/sudoers.d"
      mode: "0750"
      owner: "root"
      group: "root"
    - path: "/var/cache/nova"
    - path: "{{ nova_system_home_folder }}"
    - path: "{{ nova_system_home_folder }}/.ssh"
      mode: "0700"
    - path: "{{ nova_system_home_folder }}/cache/api"
    - path: "{{ nova_system_home_folder }}/instances"
    - path: "{{ nova_lock_path }}"
    - path: "/var/run/nova"
  tags:
    - nova-dirs

- name: Test for log directory or link
  shell: |
    if [ -h "{{ nova_log_dir }}"  ]; then
      chown -h {{ nova_system_user_name }}:{{ nova_system_group_name }} "{{ nova_log_dir }}"
      chown -R {{ nova_system_user_name }}:{{ nova_system_group_name }} "$(readlink {{ nova_log_dir }})"
    else
      exit 1
    fi    
  register: log_dir
  failed_when: false
  changed_when: log_dir.rc != 0
  tags:
    - nova-dirs
    - nova-logs

- name: Create nova log dir
  file:
    path: "{{ nova_log_dir }}"
    state: directory
    owner: "{{ nova_system_user_name }}"
    group: "{{ nova_system_group_name }}"
    mode: "0755"
  when:
    - log_dir.rc != 0
  tags:
    - nova-dirs
    - nova-logs

- name: Drop sudoers file
  template:
    src: "sudoers.j2"
    dest: "/etc/sudoers.d/{{ nova_system_user_name }}_sudoers"
    mode: "0440"
    owner: "root"
    group: "root"
  tags:
    - sudoers
    - nova-sudoers

- name: Set default nova console for ppc64le
  set_fact:
    nova_console_type: "novnc"
  when: ansible_architecture == 'ppc64le'