okd/roles/openshift_openstack/tasks/check-prerequisites.yml

---
# Check ansible
- name: Check Ansible version
  assert:
    that: >
      (ansible_version.major == 2 and ansible_version.minor >= 3) or
      (ansible_version.major > 2)
    msg: "Ansible version must be at least 2.3"

# Check shade
- name: Try to import python module shade
  command: python -c "import shade"
  ignore_errors: yes
  register: shade_result
- name: Check if shade is installed
  assert:
    that: 'shade_result.rc == 0'
    msg: "Python module shade is not installed"

# Check jmespath
- name: Try to import python module shade
  command: python -c "import jmespath"
  ignore_errors: yes
  register: jmespath_result
- name: Check if jmespath is installed
  assert:
    that: 'jmespath_result.rc == 0'
    msg: "Python module jmespath is not installed"

# Check python-dns
- name: Try to import python DNS module
  command: python -c "import dns"
  ignore_errors: yes
  register: pythondns_result
  when: openshift_openstack_external_nsupdate_keys is defined
- name: Check if python-dns is installed
  assert:
    that: 'pythondns_result.rc == 0'
    msg: "Python module python-dns is not installed"
  when: openshift_openstack_external_nsupdate_keys is defined

# Check jinja2
- name: Try to import jinja2 module
  command: python -c "import jinja2"
  ignore_errors: yes
  register: jinja_result
- name: Check if jinja2 is installed
  assert:
    that: 'jinja_result.rc == 0'
    msg: "Python module jinja2 is not installed"

# Check Glance image
- name: Try to get image facts
  os_image_facts:
    image: "{{ openshift_openstack_default_image_name }}"
  register: image_result
- name: Check that image is available
  assert:
    that: "image_result.ansible_facts.openstack_image"
    msg: "Image {{ openshift_openstack_default_image_name }} is not available"

# Check network name
- name: Try to get network facts
  os_networks_facts:
    name: "{{ openshift_openstack_external_network_name }}"
  register: network_result
  when: not openshift_openstack_provider_network_name|default(None)
- name: Check that network is available
  assert:
    that: "network_result.ansible_facts.openstack_networks"
    msg: "Network {{ openshift_openstack_external_network_name }} is not available"
  when: not openshift_openstack_provider_network_name|default(None)

# Check keypair
# TODO kpilatov: there is no Ansible module for getting OS keypairs
#                (os_keypair is not suitable for this)
#                this method does not force python-openstackclient dependency
- name: Try to show keypair
  command: >
           python -c 'import shade; cloud = shade.openstack_cloud();
           exit(cloud.get_keypair("{{ openshift_openstack_keypair_name }}") is None)'
  ignore_errors: yes
  register: key_result
- name: Check that keypair is available
  assert:
    that: 'key_result.rc == 0'
    msg: "Keypair {{ openshift_openstack_keypair_name }} is not available"

# Check that custom images are available
- include_tasks: custom_image_check.yaml
  with_items:
  - "{{ openshift_openstack_master_image }}"
  - "{{ openshift_openstack_infra_image }}"
  - "{{ openshift_openstack_node_image }}"
  - "{{ openshift_openstack_lb_image }}"
  - "{{ openshift_openstack_etcd_image }}"

# Check that custom flavors are available
- include_tasks: custom_flavor_check.yaml
  with_items:
  - "{{ openshift_openstack_master_flavor }}"
  - "{{ openshift_openstack_infra_flavor }}"
  - "{{ openshift_openstack_node_flavor }}"
  - "{{ openshift_openstack_lb_flavor }}"
  - "{{ openshift_openstack_etcd_flavor }}"