openstack-ansible-os_zaqar/tasks/zaqar_install.yml

---
# 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: Check apt last update file
  stat:
    path: /var/cache/apt
  register: apt_cache_stat
  tags:
    - zaqar-apt-packages

- name: Update apt if needed
  apt:
    update_cache: yes
  when: "ansible_date_time.epoch|float - apt_cache_stat.stat.mtime > {{cache_timeout}}"
  tags:
    - zaqar-apt-packages

- name: Install apt packages
  apt:
    pkg: "{{ item }}"
    state: latest
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  with_items: zaqar_apt_packages
  tags:
    - zaqar-install
    - zaqar-apt-packages

- name: Create developer mode constraint file
  copy:
    dest: "/opt/developer-pip-constraints.txt"
    content: |
      {% for item in zaqar_developer_constraints %}
      {{ item }}
      {% endfor %}      
  when:
    - zaqar_standalone_mode | bool
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Set constraint file fact for developer mode
  set_fact:
    pip_install_options: "{{ pip_install_options|default('') }} --constraint /opt/developer-pip-constraints.txt"
  when:
    - zaqar_standalone_mode | bool
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Install requires pip packages
  pip:
    name: "{{ item }}"
    state: present
    extra_args: "{{ pip_install_options|default('') }}"
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  with_items: zaqar_requires_pip_packages
  tags:
    - zaqar-install
    - zaqar-pip-packages

# TODO: When project moves to ansible 2 we can pass this a sha256sum which will:
#       a) allow us to remove force: yes
#       b) allow the module to calculate the checksum of dest file which would
#          result in file being downloaded only if provided and dest sha256sum
#          checksums differ
- name: Attempt venv download
  get_url:
    url: "{{ zaqar_venv_download_url }}"
    dest: "/var/cache/{{ zaqar_venv_download_url | basename }}"
    force: yes
  ignore_errors: true
  register: get_venv
  when:
    - not zaqar_standalone_mode | bool
    - zaqar_venv_enabled | bool
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Set zaqar get_venv fact
  set_fact:
    zaqar_get_venv: "{{ get_venv }}"
  when: zaqar_venv_enabled | bool
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Remove existing venv
  file:
    path: "{{ zaqar_venv_bin | dirname }}"
    state: absent
  when:
    - zaqar_venv_enabled | bool
    - zaqar_get_venv | changed
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Create zaqar venv dir
  file:
    path: "{{ zaqar_venv_bin | dirname }}"
    state: directory
  when:
    - not zaqar_standalone_mode | bool
    - zaqar_venv_enabled | bool
    - zaqar_get_venv | changed
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Unarchive pre-built venv
  unarchive:
    src: "/var/cache/{{ zaqar_venv_download_url | basename }}"
    dest: "{{ zaqar_venv_bin | dirname }}"
    copy: "no"
  when:
    - not zaqar_standalone_mode | bool
    - zaqar_venv_enabled | bool
    - zaqar_get_venv | changed
  notify:
    - Restart zaqar api
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Update virtualenv path
  command: >
    virtualenv-tools --update-path=auto {{ zaqar_venv_bin | dirname }}    
  when:
    - not zaqar_standalone_mode | bool
    - zaqar_venv_enabled | bool
    - zaqar_get_venv | success
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Install pip packages (venv)
  pip:
    name: "{{ item }}"
    state: present
    virtualenv: "{{ zaqar_venv_bin | dirname }}"
    virtualenv_site_packages: "no"
    extra_args: "{{ pip_install_options|default('') }}"
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  with_items: zaqar_pip_packages
  when:
    - zaqar_venv_enabled | bool
    - zaqar_get_venv | failed or zaqar_standalone_mode | bool
#  notify:
#    - Restart zaqar api
  tags:
    - zaqar-install
    - zaqar-pip-packages

- name: Install pip packages (no venv)
  pip:
    name: "{{ item }}"
    state: present
    extra_args: "{{ pip_install_options|default('') }}"
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  with_items: zaqar_pip_packages
  when:
    - not zaqar_standalone_mode | bool
    - not zaqar_venv_enabled | bool
#  notify:
#    - Restart zaqar api
  tags:
    - zaqar-install
    - zaqar-pip-packages