MSO: New module to manage local site EPG subnets (#53250)

This adds a new module to manage local site EPG subnets on ACI MultiSite schema templates.
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Dag Wieers 2019-03-04 02:02:58 +01:00 committed by GitHub
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2019, Dag Wieers (@dagwieers) <dag@wieers.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = r'''
---
module: mso_schema_site_bd_subnet
short_description: Manage site BD subnets in schema template
description:
- Manage site BD subnets in schema template on Cisco ACI Multi-Site.
author:
- Dag Wieers (@dagwieers)
version_added: '2.8'
options:
schema:
description:
- The name of the schema.
type: str
required: yes
site:
description:
- The name of the site.
type: str
required: yes
template:
description:
- The name of the template.
type: str
required: yes
bd:
description:
- The name of the BD.
type: str
aliases: [ name ]
subnet:
description:
- The IP range in CIDR notation.
type: str
required: true
aliases: [ ip ]
description:
description:
- The description of this subnet.
type: str
scope:
description:
- The scope of the subnet.
type: str
choices: [ private, public ]
shared:
description:
- Whether this subnet is shared between VRFs.
type: bool
no_default_gateway:
description:
- Whether this subnet has a default gateway.
type: bool
state:
description:
- Use C(present) or C(absent) for adding or removing.
- Use C(query) for listing an object or multiple objects.
type: str
choices: [ absent, present, query ]
default: present
seealso:
- module: mso_schema_site_bd
- module: mso_schema_template_bd
extends_documentation_fragment: mso
'''
EXAMPLES = r'''
- name: Add a new site BD subnet
mso_schema_site_bd_subnet:
host: mso_host
username: admin
password: SomeSecretPassword
schema: Schema1
site: Site1
template: Template1
bd: BD1
subnet: 11.11.11.0/24
state: present
delegate_to: localhost
- name: Remove a site BD subnet
mso_schema_site_bd_subnet:
host: mso_host
username: admin
password: SomeSecretPassword
schema: Schema1
site: Site1
template: Template1
bd: BD1
subnet: 11.11.11.0/24
state: absent
delegate_to: localhost
- name: Query a specific site BD subnet
mso_schema_site_bd_subnet:
host: mso_host
username: admin
password: SomeSecretPassword
schema: Schema1
site: Site1
template: Template1
bd: BD1
subnet: 11.11.11.0/24
state: query
delegate_to: localhost
register: query_result
- name: Query all site BD subnets
mso_schema_site_bd_subnet:
host: mso_host
username: admin
password: SomeSecretPassword
schema: Schema1
site: Site1
template: Template1
bd: BD1
state: query
delegate_to: localhost
register: query_result
'''
RETURN = r'''
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.network.aci.mso import MSOModule, mso_argument_spec, mso_subnet_spec
def main():
argument_spec = mso_argument_spec()
argument_spec.update(
schema=dict(type='str', required=True),
site=dict(type='str', required=True),
template=dict(type='str', required=True),
bd=dict(type='str', aliases=['name']), # This parameter is not required for querying all objects
state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
)
argument_spec.update(mso_subnet_spec())
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=True,
required_if=[
['state', 'absent', ['bd']],
['state', 'present', ['bd']],
],
)
schema = module.params['schema']
site = module.params['site']
template = module.params['template']
bd = module.params['bd']
subnet = module.params['subnet']
description = module.params['description']
scope = module.params['scope']
shared = module.params['shared']
no_default_gateway = module.params['no_default_gateway']
state = module.params['state']
mso = MSOModule(module)
# Get schema_id
schema_obj = mso.get_obj('schemas', displayName=schema)
if not schema_obj:
mso.fail_json(msg="Provided schema '{0}' does not exist".format(schema))
schema_path = 'schemas/{id}'.format(**schema_obj)
schema_id = schema_obj['id']
# Get site
site_id = mso.lookup_site(site)
# Get site_idx
sites = [(s['siteId'], s['templateName']) for s in schema_obj['sites']]
if (site_id, template) not in sites:
mso.fail_json(msg="Provided site/template '{0}-{1}' does not exist. Existing sites/templates: {2}".format(site, template, ', '.join(sites)))
# Schema-access uses indexes
site_idx = sites.index((site_id, template))
# Path-based access uses site_id-template
site_template = '{0}-{1}'.format(site_id, template)
# Get BD
bd_ref = mso.bd_ref(schema_id=schema_id, template=template, bd=bd)
bds = [v['bdRef'] for v in schema_obj['sites'][site_idx]['bds']]
if bd_ref not in bds:
mso.fail_json(msg="Provided BD '{0}' does not exist. Existing BDs: {1}".format(bd, ', '.join(bds)))
bd_idx = bds.index(bd_ref)
# Get Subnet
subnets = [s['ip'] for s in schema_obj['sites'][site_idx]['bds'][bd_idx]['subnets']]
if subnet in subnets:
subnet_idx = subnets.index(subnet)
# FIXME: Changes based on index are DANGEROUS
subnet_path = '/sites/{0}/bds/{1}/subnets/{2}'.format(site_template, bd, subnet_idx)
mso.existing = schema_obj['sites'][site_idx]['bds'][bd_idx]['subnets'][subnet_idx]
if state == 'query':
if subnet is None:
mso.existing = schema_obj['sites'][site_idx]['bds'][bd_idx]['subnets']
elif not mso.existing:
mso.fail_json(msg="Subnet IP '{subnet}' not found".format(subnet=subnet))
mso.exit_json()
subnets_path = '/sites/{0}/bds/{1}/subnets'.format(site_template, bd)
ops = []
mso.previous = mso.existing
if state == 'absent':
if mso.existing:
mso.sent = mso.existing = {}
ops.append(dict(op='remove', path=subnet_path))
elif state == 'present':
if not mso.existing:
if description is None:
description = subnet
if scope is None:
scope = 'private'
if shared is None:
shared = False
if no_default_gateway is None:
no_default_gateway = False
payload = dict(
ip=subnet,
description=description,
scope=scope,
shared=shared,
noDefaultGateway=no_default_gateway,
)
mso.sanitize(payload, collate=True)
if mso.existing:
ops.append(dict(op='replace', path=subnet_path, value=mso.sent))
else:
ops.append(dict(op='add', path=subnets_path + '/-', value=mso.sent))
mso.existing = mso.proposed
if not module.check_mode:
mso.request(schema_path, method='PATCH', data=ops)
mso.exit_json()
if __name__ == "__main__":
main()