Add new os_nova_flavor module.

The os_nova_flavor module allows a user with administrative privileges
to create and delete nova flavors.
This commit is contained in:
David Shrewsbury 2015-07-16 15:04:55 -04:00
parent 2790af2858
commit 6aac888c7d

View file

@ -0,0 +1,237 @@
#!/usr/bin/python
# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
#
# This module is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this software. If not, see <http://www.gnu.org/licenses/>.
try:
import shade
HAS_SHADE = True
except ImportError:
HAS_SHADE = False
DOCUMENTATION = '''
---
module: os_nova_flavor
short_description: Manage OpenStack compute flavors
extends_documentation_fragment: openstack
version_added: "2.0"
author: "David Shrewsbury (@Shrews)"
description:
- Add or remove flavors from OpenStack.
options:
state:
description:
- Indicate desired state of the resource. When I(state) is 'present',
then I(ram), I(vcpus), and I(disk) are all required. There are no
default values for those parameters.
choices: ['present', 'absent']
required: false
default: present
name:
description:
- Flavor name.
required: true
ram:
description:
- Amount of memory, in MB.
required: false
default: null
vcpus:
description:
- Number of virtual CPUs.
required: false
default: null
disk:
description:
- Size of local disk, in GB.
required: false
default: null
ephemeral:
description:
- Ephemeral space size, in GB.
required: false
default: 0
swap:
description:
- Swap space size, in MB.
required: false
default: 0
rxtx_factor:
description:
- RX/TX factor.
required: false
default: 1.0
is_public:
description:
- Make flavor accessible to the public.
required: false
default: true
flavorid:
description:
- ID for the flavor. This is optional as a unique UUID will be
assigned if a value is not specified.
required: false
default: "auto"
requirements: ["shade"]
'''
EXAMPLES = '''
# Create 'tiny' flavor with 1024MB of RAM, 1 virtual CPU, and 10GB of
# local disk, and 10GB of ephemeral.
- os_nova_flavor:
cloud=mycloud
state=present
name=tiny
ram=1024
vcpus=1
disk=10
ephemeral=10
# Delete 'tiny' flavor
- os_nova_flavor:
cloud=mycloud
state=absent
name=tiny
'''
RETURN = '''
flavor:
description: Dictionary describing the flavor.
returned: On success when I(state) is 'present'
type: dictionary
contains:
id:
description: Flavor ID.
returned: success
type: string
sample: "515256b8-7027-4d73-aa54-4e30a4a4a339"
name:
description: Flavor name.
returned: success
type: string
sample: "tiny"
disk:
description: Size of local disk, in GB.
returned: success
type: int
sample: 10
ephemeral:
description: Ephemeral space size, in GB.
returned: success
type: int
sample: 10
ram:
description: Amount of memory, in MB.
returned: success
type: int
sample: 1024
swap:
description: Swap space size, in MB.
returned: success
type: int
sample: 100
vcpus:
description: Number of virtual CPUs.
returned: success
type: int
sample: 2
is_public:
description: Make flavor accessible to the public.
returned: success
type: bool
sample: true
'''
def _system_state_change(module, flavor):
state = module.params['state']
if state == 'present' and not flavor:
return True
if state == 'absent' and flavor:
return True
return False
def main():
argument_spec = openstack_full_argument_spec(
state = dict(required=False, default='present',
choices=['absent', 'present']),
name = dict(required=False),
# required when state is 'present'
ram = dict(required=False, type='int'),
vcpus = dict(required=False, type='int'),
disk = dict(required=False, type='int'),
ephemeral = dict(required=False, default=0, type='int'),
swap = dict(required=False, default=0, type='int'),
rxtx_factor = dict(required=False, default=1.0, type='float'),
is_public = dict(required=False, default=True, type='bool'),
flavorid = dict(required=False, default="auto"),
)
module_kwargs = openstack_module_kwargs()
module = AnsibleModule(
argument_spec,
supports_check_mode=True,
required_if=[
('state', 'present', ['ram', 'vcpus', 'disk'])
],
**module_kwargs)
if not HAS_SHADE:
module.fail_json(msg='shade is required for this module')
state = module.params['state']
name = module.params['name']
try:
cloud = shade.operator_cloud(**module.params)
flavor = cloud.get_flavor(name)
if module.check_mode:
module.exit_json(changed=_system_state_change(module, flavor))
if state == 'present':
if not flavor:
flavor = cloud.create_flavor(
name=name,
ram=module.params['ram'],
vcpus=module.params['vcpus'],
disk=module.params['disk'],
flavorid=module.params['flavorid'],
ephemeral=module.params['ephemeral'],
swap=module.params['swap'],
rxtx_factor=module.params['rxtx_factor'],
is_public=module.params['is_public']
)
module.exit_json(changed=True, flavor=flavor)
module.exit_json(changed=False, flavor=flavor)
elif state == 'absent':
if flavor:
cloud.delete_flavor(name)
module.exit_json(changed=True)
module.exit_json(changed=False)
except shade.OpenStackCloudException as e:
module.fail_json(msg=e.message)
# this is magic, see lib/ansible/module_common.py
from ansible.module_utils.basic import *
from ansible.module_utils.openstack import *
if __name__ == '__main__':
main()