Added module to manage contracts for external EPG in Cisco MSO

lib/ansible/modules/network/aci/mso_schema_template_external_epg_contract.py

@@ -0,0 +1,244 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# 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_template_external_epg_contract
+short_description: Manage Extrnal EPG contracts in schema templates
+description:
+- Manage External EPG contracts in schema templates on Cisco ACI Multi-Site.
+author:
+- Devarshi Shah (@devarshishah3)
+version_added: '2.10'
+options:
+  schema:
+    description:
+    - The name of the schema.
+    type: str
+    required: yes
+  template:
+    description:
+    - The name of the template to change.
+    type: str
+    required: yes
+  external_epg:
+    description:
+    - The name of the EPG to manage.
+    type: str
+    required: yes
+  contract:
+    description:
+    - A contract associated to this EPG.
+    type: dict
+    suboptions:
+      name:
+        description:
+        - The name of the Contract to associate with.
+        required: true
+        type: str
+      schema:
+        description:
+        - The schema that defines the referenced BD.
+        - If this parameter is unspecified, it defaults to the current schema.
+        type: str
+      template:
+        description:
+        - The template that defines the referenced BD.
+        type: str
+      type:
+        description:
+        - The type of contract.
+        type: str
+        required: true
+        choices: [ consumer, provider ]
+  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_template_externalepg
+- module: mso_schema_template_contract_filter
+extends_documentation_fragment: mso
+'''
+
+EXAMPLES = r'''
+- name: Add a contract to an EPG
+  mso_schema_template_external_epg_contract:
+    host: mso_host
+    username: admin
+    password: SomeSecretPassword
+    schema: Schema 1
+    template: Template 1
+    epg: EPG 1
+    contract:
+      name: Contract 1
+      type: consumer
+    state: present
+  delegate_to: localhost
+
+- name: Remove a Contract
+  mso_schema_template_external_epg_contract:
+    host: mso_host
+    username: admin
+    password: SomeSecretPassword
+    schema: Schema 1
+    template: Template 1
+    epg: EPG 1
+    contract:
+      name: Contract 1
+    state: absent
+  delegate_to: localhost
+
+- name: Query a specific Contract
+  mso_schema_template_external_epg_contract:
+    host: mso_host
+    username: admin
+    password: SomeSecretPassword
+    schema: Schema 1
+    template: Template 1
+    epg: EPG 1
+    contract:
+      name: Contract 1
+    state: query
+  delegate_to: localhost
+  register: query_result
+
+- name: Query all Contracts
+  mso_schema_template_external_epg_contract:
+    host: mso_host
+    username: admin
+    password: SomeSecretPassword
+    schema: Schema 1
+    template: Template 1
+    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_contractref_spec, issubset
+
+
+def main():
+    argument_spec = mso_argument_spec()
+    argument_spec.update(
+        schema=dict(type='str', required=True),
+        template=dict(type='str', required=True),
+        external_epg=dict(type='str', required=True),
+        contract=dict(type='dict', options=mso_contractref_spec()),
+        state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
+    )
+
+    module = AnsibleModule(
+        argument_spec=argument_spec,
+        supports_check_mode=True,
+        required_if=[
+            ['state', 'absent', ['contract']],
+            ['state', 'present', ['contract']],
+        ],
+    )
+
+    schema = module.params['schema']
+    template = module.params['template']
+    external_epg = module.params['external_epg']
+    contract = module.params['contract']
+    state = module.params['state']
+
+    mso = MSOModule(module)
+
+    if contract:
+        if contract.get('schema') is None:
+            contract['schema'] = schema
+        contract['schema_id'] = mso.lookup_schema(contract['schema'])
+        if contract.get('template') is None:
+            contract['template'] = template
+
+    # Get schema_id
+    schema_obj = mso.get_obj('schemas', displayName=schema)
+    if schema_obj:
+        schema_id = schema_obj['id']
+    else:
+        mso.fail_json(msg="Provided schema '{0}' does not exist".format(schema))
+
+    schema_path = 'schemas/{id}'.format(**schema_obj)
+
+    # Get template
+    templates = [t['name'] for t in schema_obj['templates']]
+    if template not in templates:
+        mso.fail_json(msg="Provided template '{0}' does not exist. Existing templates: {1}".format(template, ', '.join(templates)))
+    template_idx = templates.index(template)
+
+    # Get EPG
+    epgs = [e['name'] for e in schema_obj['templates'][template_idx]['externalEpgs']]
+    if external_epg not in epgs:
+        mso.fail_json(msg="Provided epg '{epg}' does not exist. Existing epgs: {epgs}".format(epg=external_epg, epgs=', '.join(epgs)))
+    epg_idx = epgs.index(external_epg)
+
+    # Get Contract
+    if contract:
+        contracts = [(c['contractRef'],
+                      c['relationshipType']) for c in schema_obj['templates'][template_idx]['externalEpgs'][epg_idx]['contractRelationships']]
+        contract_ref = mso.contract_ref(**contract)
+        if (contract_ref, contract['type']) in contracts:
+            contract_idx = contracts.index((contract_ref, contract['type']))
+            contract_path = '/templates/{0}/externalEpgs/{1}/contractRelationships/{2}'.format(template, external_epg, contract)
+            mso.existing = schema_obj['templates'][template_idx]['externalEpgs'][epg_idx]['contractRelationships'][contract_idx]
+
+    if state == 'query':
+        if not contract:
+            mso.existing = schema_obj['templates'][template_idx]['externalEpgs'][epg_idx]['contractRelationships']
+        elif not mso.existing:
+            mso.fail_json(msg="Contract '{0}' not found".format(contract_ref))
+        mso.exit_json()
+
+    contracts_path = '/templates/{0}/externalEpgs/{1}/contractRelationships'.format(template, external_epg)
+    ops = []
+
+    mso.previous = mso.existing
+    if state == 'absent':
+        if mso.existing:
+            mso.sent = mso.existing = {}
+            ops.append(dict(op='remove', path=contract_path))
+
+    elif state == 'present':
+        payload = dict(
+            relationshipType=contract['type'],
+            contractRef=dict(
+                contractName=contract['name'],
+                templateName=contract['template'],
+                schemaId=contract['schema_id'],
+            ),
+        )
+
+        mso.sanitize(payload, collate=True)
+
+        if mso.existing:
+            ops.append(dict(op='replace', path=contract_path, value=mso.sent))
+        else:
+            ops.append(dict(op='add', path=contracts_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()