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MSO: New module to manage local site EPG subnets (#53247)
This adds a new module to manage local site EPG subnets on ACI MultiSite schema templates.
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Dag Wieers
GitHub
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (c) 2019, Dag Wieers (@dagwieers) <dag@wieers.com>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = r'''
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---
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module: mso_schema_site_anp_epg_subnet
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short_description: Manage site EPG subnets in schema template
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description:
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- Manage site EPG subnets in schema template on Cisco ACI Multi-Site.
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author:
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- Dag Wieers (@dagwieers)
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version_added: '2.8'
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options:
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schema:
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description:
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- The name of the schema.
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type: str
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required: yes
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site:
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description:
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- The name of the site.
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type: str
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required: yes
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template:
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description:
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- The name of the template.
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type: str
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required: yes
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anp:
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description:
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- The name of the ANP.
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type: str
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epg:
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description:
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- The name of the EPG.
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type: str
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subnet:
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description:
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- The IP range in CIDR notation.
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type: str
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required: true
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aliases: [ ip ]
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description:
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description:
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- The description of this subnet.
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type: str
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scope:
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description:
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- The scope of the subnet.
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type: str
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choices: [ private, public ]
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shared:
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description:
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- Whether this subnet is shared between VRFs.
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type: bool
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no_default_gateway:
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description:
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- Whether this subnet has a default gateway.
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type: bool
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state:
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description:
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- Use C(present) or C(absent) for adding or removing.
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- Use C(query) for listing an object or multiple objects.
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type: str
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choices: [ absent, present, query ]
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default: present
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seealso:
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- module: mso_schema_site_anp_epg
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- module: mso_schema_template_anp_epg_subnet
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extends_documentation_fragment: mso
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'''
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EXAMPLES = r'''
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- name: Add a new subnet to a site EPG
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mso_schema_site_anp_epg_subnet:
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host: mso_host
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username: admin
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password: SomeSecretPassword
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schema: Schema1
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site: Site1
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template: Template1
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anp: ANP1
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epg: EPG1
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subnet: 10.0.0.0/24
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state: present
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delegate_to: localhost
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- name: Remove a subnet from a site EPG
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mso_schema_site_anp_epg_subnet:
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host: mso_host
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username: admin
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password: SomeSecretPassword
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schema: Schema1
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site: Site1
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template: Template1
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anp: ANP1
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epg: EPG1
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subnet: 10.0.0.0/24
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state: absent
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delegate_to: localhost
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- name: Query a specific site EPG subnet
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mso_schema_site_anp_epg_subnet:
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host: mso_host
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username: admin
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password: SomeSecretPassword
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schema: Schema1
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site: Site1
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template: Template1
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anp: ANP1
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epg: EPG1
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subnet: 10.0.0.0/24
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state: query
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delegate_to: localhost
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register: query_result
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- name: Query all site EPG subnets
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mso_schema_site_anp_epg_subnet:
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host: mso_host
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username: admin
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password: SomeSecretPassword
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schema: Schema1
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site: Site1
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template: Template1
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anp: ANP1
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state: query
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delegate_to: localhost
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register: query_result
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'''
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RETURN = r'''
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'''
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.aci.mso import MSOModule, mso_argument_spec, mso_subnet_spec, issubset
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def main():
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argument_spec = mso_argument_spec()
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argument_spec.update(
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schema=dict(type='str', required=True),
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site=dict(type='str', required=True),
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template=dict(type='str', required=True),
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anp=dict(type='str', required=True),
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epg=dict(type='str', required=True),
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state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
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)
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argument_spec.update(mso_subnet_spec())
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module = AnsibleModule(
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argument_spec=argument_spec,
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supports_check_mode=True,
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required_if=[
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['state', 'absent', ['subnet']],
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['state', 'present', ['subnet']],
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],
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)
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schema = module.params['schema']
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site = module.params['site']
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template = module.params['template']
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anp = module.params['anp']
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epg = module.params['epg']
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subnet = module.params['subnet']
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description = module.params['description']
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scope = module.params['scope']
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shared = module.params['shared']
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no_default_gateway = module.params['no_default_gateway']
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state = module.params['state']
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mso = MSOModule(module)
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# Get schema_id
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schema_obj = mso.get_obj('schemas', displayName=schema)
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if not schema_obj:
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mso.fail_json(msg="Provided schema '{0}' does not exist".format(schema))
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schema_path = 'schemas/{id}'.format(**schema_obj)
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schema_id = schema_obj['id']
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# Get site
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site_id = mso.lookup_site(site)
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# Get site_idx
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sites = [(s['siteId'], s['templateName']) for s in schema_obj['sites']]
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if (site_id, template) not in sites:
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mso.fail_json(msg="Provided site/template '{0}-{1}' does not exist. Existing sites/templates: {2}".format(site, template, ', '.join(sites)))
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# Schema-access uses indexes
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site_idx = sites.index((site_id, template))
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# Path-based access uses site_id-template
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site_template = '{0}-{1}'.format(site_id, template)
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# Get ANP
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anp_ref = mso.anp_ref(schema_id=schema_id, template=template, anp=anp)
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anps = [a['anpRef'] for a in schema_obj['sites'][site_idx]['anps']]
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if anp_ref not in anps:
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mso.fail_json(msg="Provided anp '{0}' does not exist. Existing anps: {1}".format(anp, ', '.join(anps)))
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anp_idx = anps.index(anp_ref)
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# Get EPG
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epg_ref = mso.epg_ref(schema_id=schema_id, template=template, anp=anp, epg=epg)
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epgs = [e['epgRef'] for e in schema_obj['sites'][site_idx]['anps'][anp_idx]['epgs']]
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if epg_ref not in epgs:
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mso.fail_json(msg="Provided epg '{0}' does not exist. Existing epgs: {1}".format(epg, ', '.join(epgs)))
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epg_idx = epgs.index(epg_ref)
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# Get Subnet
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subnets = [s['ip'] for s in schema_obj['sites'][site_idx]['anps'][anp_idx]['epgs'][epg_idx]['subnets']]
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if subnet in subnets:
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subnet_idx = subnets.index(subnet)
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# FIXME: Changes based on index are DANGEROUS
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subnet_path = '/sites/{0}/anps/{1}/epgs/{2}/subnets/{3}'.format(site_template, anp, epg, subnet_idx)
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mso.existing = schema_obj['sites'][site_idx]['anps'][anp_idx]['epgs'][epg_idx]['subnets'][subnet_idx]
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if state == 'query':
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if subnet is None:
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mso.existing = schema_obj['sites'][site_idx]['anps'][anp_idx]['epgs'][epg_idx]['subnets']
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elif not mso.existing:
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mso.fail_json(msg="Subnet '{subnet}' not found".format(subnet=subnet))
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mso.exit_json()
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subnets_path = '/sites/{0}/anps/{1}/epgs/{2}/subnets'.format(site_template, anp_idx, epg_idx)
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ops = []
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mso.previous = mso.existing
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if state == 'absent':
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if mso.existing:
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mso.sent = mso.existing = {}
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ops.append(dict(op='remove', path=subnet_path))
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elif state == 'present':
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if not mso.existing:
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if description is None:
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description = subnet
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if scope is None:
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scope = 'private'
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if shared is None:
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shared = False
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if no_default_gateway is None:
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no_default_gateway = False
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payload = dict(
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ip=subnet,
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description=description,
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scope=scope,
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shared=shared,
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noDefaultGateway=no_default_gateway,
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)
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mso.sanitize(payload, collate=True)
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if mso.existing:
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ops.append(dict(op='replace', path=subnet_path, value=mso.sent))
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else:
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ops.append(dict(op='add', path=subnets_path + '/-', value=mso.sent))
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mso.existing = mso.proposed
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if not module.check_mode:
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mso.request(schema_path, method='PATCH', data=ops)
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mso.exit_json()
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if __name__ == "__main__":
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main()
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