---
# 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 keystone dir
  file:
    path: "{{ item.path }}"
    state: directory
    owner: "{{ item.owner|default(keystone_system_user_name) }}"
    group: "{{ item.group|default(keystone_system_group_name) }}"
    mode: "{{ item.mode|default('0755') }}"
  with_items:
    - { path: "/etc/pki/tls/certs", owner: "root", group: "root" }
    - { path: "/etc/pki/tls/private", owner: "root", group: "root" }
    - { path: "/var/lock/keystone", mode: "2755" }
    - { path: "/var/log/httpd", mode: "2755" }
  when:
    - ansible_pkg_mgr in ['yum', 'dnf']

- name: Create system links
  file:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    state: "link"
  with_items:
    - { src: "/etc/pki/tls/certs", dest: "/etc/ssl/certs" }
    - { src: "/etc/pki/tls/private", dest: "/etc/ssl/private" }
    - { src: "/var/log/httpd", dest: "/var/log/apache2" }
  when:
    - ansible_pkg_mgr in ['yum', 'dnf']

- name: Add shibboleth repo
  yum_repository:
    name: "shibboleth"
    description: "shibboleth Repo"
    baseurl: "http://download.opensuse.org/repositories/security:/shibboleth/CentOS_7/"
    gpgkey: "http://download.opensuse.org/repositories/security:/shibboleth/CentOS_7//repodata/repomd.xml.key"
    gpgcheck: yes
  when:
    - ansible_pkg_mgr in ['yum', 'dnf']
    - keystone_sp != {}

# If the web server being removed was never installed, this task will fail when trying
# to stop/disable it. The task is therefore set to never fail.
- name: Ensure other web server is not running/enabled
  service:
    name: "{{ (keystone_web_server == 'nginx') | ternary(keystone_system_service_name, 'nginx') }}"
    enabled: no
    state: stopped
    daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
  failed_when: false

- name: Remove other web server distro packages and mod_wsgi
  package:
    name: "{{ ((keystone_web_server == 'nginx') | ternary(keystone_apache_distro_packages, keystone_nginx_distro_packages)) + keystone_mod_wsgi_distro_packages }}"
    state: absent
    autoremove: "{{ (ansible_pkg_mgr == 'apt') | ternary('yes', omit) }}"

- name: Install distro packages
  package:
    name: "{{ keystone_package_list }}"
    state: "{{ keystone_package_state }}"
    update_cache: "{{ (ansible_pkg_mgr in ['apt', 'zypper']) | ternary('yes', omit) }}"
    cache_valid_time: "{{ (ansible_pkg_mgr == 'apt') | ternary(cache_timeout, omit) }}"
  register: install_packages
  until: install_packages | success
  retries: 5
  delay: 2
  notify:
    - Manage LB
    - Restart web server

- name: Create developer mode constraint file
  copy:
    dest: "/opt/developer-pip-constraints.txt"
    content: |
      {% for item in keystone_developer_constraints %}
      {{ item }}
      {% endfor %}
  when: keystone_developer_mode | bool

- name: Install required pip packages
  pip:
    name: "{{ keystone_requires_pip_packages }}"
    state: "{{ keystone_pip_package_state }}"
    extra_args: >-
      {{ keystone_developer_mode | ternary(pip_install_developer_constraints | default('--constraint /opt/developer-pip-constraints.txt'), '') }}
      {{ (pip_install_upper_constraints is defined) | ternary('--constraint ' + pip_install_upper_constraints | default(''),'') }}
      {{ pip_install_options | default('') }}
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2

- name: Retrieve checksum for venv download
  uri:
    url: "{{ keystone_venv_download_url | replace('tgz', 'checksum') }}"
    return_content: yes
  register: keystone_venv_checksum
  when: keystone_venv_download | bool

- name: Attempt venv download
  get_url:
    url: "{{ keystone_venv_download_url }}"
    dest: "/var/cache/{{ keystone_venv_download_url | basename }}"
    checksum: "sha1:{{ keystone_venv_checksum.content | trim }}"
  register: keystone_get_venv
  when: keystone_venv_download | bool

- name: Remove existing venv
  file:
    path: "{{ keystone_bin | dirname }}"
    state: absent
  when: keystone_get_venv | changed

- name: Create keystone venv dir
  file:
    path: "{{ keystone_bin | dirname }}"
    state: directory
  register: keystone_venv_dir
  when: keystone_get_venv | changed

- name: Unarchive pre-built venv
  unarchive:
    src: "/var/cache/{{ keystone_venv_download_url | basename }}"
    dest: "{{ keystone_bin | dirname }}"
    copy: "no"
  when: keystone_get_venv | changed
  notify:
    - Manage LB
    - Restart uWSGI
    - Restart web server

- name: Install pip packages
  pip:
    name: "{{ keystone_pip_packages }}"
    state: "{{ keystone_pip_package_state }}"
    virtualenv: "{{ keystone_bin | dirname }}"
    virtualenv_site_packages: "no"
    extra_args: >-
      {{ keystone_developer_mode | ternary(pip_install_developer_constraints | default('--constraint /opt/developer-pip-constraints.txt'), '') }}
      {{ (pip_install_upper_constraints is defined) | ternary('--constraint ' + pip_install_upper_constraints | default(''),'') }}
      {{ pip_install_options | default('') }}
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  when: keystone_get_venv | failed or keystone_get_venv | skipped
  notify:
    - Manage LB
    - Restart uWSGI
    - Restart web server

- name: Remove python from path first (CentOS, openSUSE)
  file:
    path:  "{{ keystone_bin | dirname }}/bin/python2.7"
    state: "absent"
  when:
    - ansible_pkg_mgr in ['yum', 'dnf', 'zypper']
    - keystone_get_venv | changed

- name: Update virtualenv path
  command: >
    virtualenv-tools --update-path=auto --reinitialize {{ keystone_bin | dirname }}
  when: keystone_get_venv | changed

- name: Create WSGI symlinks
  file:
    src: "{{ item.src }}"
    dest: "/var/www/cgi-bin/keystone/{{ item.dest }}"
    state: link
    force: yes
  with_items:
    - src: "{{ keystone_bin }}/keystone-wsgi-admin"
      dest: admin
    - src: "{{ keystone_bin }}/keystone-wsgi-public"
      dest: main
  notify:
    - Manage LB
    - Restart web server

- name: Initialise the upgrade facts
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: keystone
    option: "{{ item.name }}"
    value: "{{ item.state }}"
  with_items:
    - name: "need_db_expand"
      state: "True"
    - name: "need_db_migrate"
      state: "True"
    - name: "need_db_contract"
      state: "True"
  when: (keystone_get_venv | changed) or
        (keystone_venv_dir | changed) or
        (install_packages | changed) or
        (ansible_local is not defined) or
        ('openstack_ansible' not in ansible_local) or
        ('keystone' not in ansible_local['openstack_ansible']) or
        ('need_db_expand' not in ansible_local['openstack_ansible']['keystone']) or
        ('need_db_migrate' not in ansible_local['openstack_ansible']['keystone']) or
        ('need_db_contract' not in ansible_local['openstack_ansible']['keystone'])

- name: Record the venv tag deployed
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: keystone
    option: venv_tag
    value: "{{ keystone_venv_tag }}"