undercloud_disk_space

Role Documentation

Welcome to the “undercloud_disk_space” role documentation.

Role Defaults

This section highlights all of the defaults and variables set within the “undercloud_disk_space” role.

volumes:
- min_size: 10
  mount: /var/lib/docker
- min_size: 3
  mount: /var/lib/config-data
- min_size: 3
  mount: /var/log
- min_size: 5
  mount: /usr
- min_size: 20
  mount: /var
- min_size: 25
  mount: /

Role Variables: main.yaml

metadata:
  description: 'Make sure that the root partition on the undercloud node has enough
    free space.

    http://tripleo.org/install/environments/baremetal.html#minimum-system-requirements

    '
  groups:
  - prep
  - pre-introspection
  name: Verify undercloud fits the disk space requirements

Molecule Scenarios

Molecule is being used to test the “undercloud_disk_space” role. The following section highlights the drivers in service and provides an example playbook showing how the role is leveraged.

Scenario: default

Example default configuration
driver:
  name: podman
log: true
platforms:
- dockerfile: Dockerfile
  environment:
    http_proxy: '{{ lookup(''env'', ''http_proxy'') }}'
    https_proxy: '{{ lookup(''env'', ''https_proxy'') }}'
  hostname: ubi8
  image: ubi8/ubi-init
  name: ubi8
  pkg_extras: python*-setuptools
  privileged: true
  registry:
    url: registry.access.redhat.com
  ulimits:
  - host
  volumes:
  - /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro
  - /etc/pki/rpm-gpg:/etc/pki/rpm-gpg
  - /opt/yum.repos.d:/etc/yum.repos.d:rw
provisioner:
  env:
    ANSIBLE_LIBRARY: ${ANSIBLE_LIBRARY:-/usr/share/ansible/plugins/modules}
    ANSIBLE_STDOUT_CALLBACK: yaml
  inventory:
    hosts:
      all:
        hosts:
          ubi8:
            ansible_python_interpreter: /usr/bin/python3
  log: true
  name: ansible
scenario:
  test_sequence:
  - destroy
  - create
  - prepare
  - converge
  - verify
  - destroy
verifier:
  name: testinfra
Molecule Inventory
hosts:
  all:
    hosts:
      ubi8:
        ansible_python_interpreter: /usr/bin/python3
Example default playbook
- gather_facts: false
  hosts: all
  name: Converge
  tasks:
  - block:
    - include_role:
        name: undercloud_disk_space
    rescue:
    - meta: clear_host_errors
      name: Clear host errors
    - debug:
        msg: The validation works! End the playbook run
    - meta: end_play
      name: End play
  - fail:
      msg: 'The validation did not detect a too small disk space

        '
    name: Fail the test
  vars:
    volumes:
    - min_size: 20
      mount: /var
    - min_size: 150
      mount: /