From 4e3c3a1aa11f0d5643e46ee0947614ebdaf57551 Mon Sep 17 00:00:00 2001
From: Dag Wieers <dag@wieers.com>
Date: Tue, 15 Aug 2017 01:48:47 +0200
Subject: [PATCH] aci_filter: Manage filter objs on ACI fabrics (#28094)

Module to manage top level filter objects on Cisco ACI fabrics.
This module is idempotent, and supports check-mode and has diff-support.
---
 lib/ansible/modules/network/aci/aci_filter.py | 153 ++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 lib/ansible/modules/network/aci/aci_filter.py

diff --git a/lib/ansible/modules/network/aci/aci_filter.py b/lib/ansible/modules/network/aci/aci_filter.py
new file mode 100644
index 00000000000..ca7fe9ddd54
--- /dev/null
+++ b/lib/ansible/modules/network/aci/aci_filter.py
@@ -0,0 +1,153 @@
+#!/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': '1.0',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+DOCUMENTATION = r'''
+---
+module: aci_filter
+short_description: Manages top level filter objects on Cisco ACI fabrics
+description:
+- Manages top level filter objects on Cisco ACI fabrics.
+- This modules does not manage filter entries, see M(aci_filter_entry) for this functionality.
+author:
+- Swetha Chunduri (@schunduri)
+- Dag Wieers (@dagwieers)
+- Jacob McGill (@jmcgill298)
+version_added: '2.4'
+requirements:
+- ACI Fabric 1.0(3f)+
+notes:
+- The tenant used must exist before using this module in your playbook. The M(aci_tenant) module can be used for this.
+options:
+  filter:
+    description:
+    - The name of the filter.
+    required: yes
+    aliases: [ filter_name, name ]
+  description:
+    description:
+    - Description for the filter.
+    aliases: [ descr ]
+  tenant:
+    description:
+    - The name of the tenant.
+    required: yes
+    aliases: [ tenant_name ]
+  state:
+    description:
+    - Use C(present) or C(absent) for adding or removing.
+    - Use C(query) for listing an object or multiple objects.
+    choices: [ absent, present, query ]
+    default: present
+extends_documentation_fragment: aci
+'''
+
+EXAMPLES = r'''
+- name: Add a new filter to a tenant
+  aci_filter:
+    hostname: apic
+    username: admin
+    password: SomeSecretPassword
+    filter: web_filter
+    description: Filter for web protocols
+    tenant: production
+    state: present
+
+- name: Remove a filter for a tenant
+  aci_filter:
+    hostname: apic
+    username: admin
+    password: SomeSecretPassword
+    filter: web_filter
+    tenant: production
+    state: absent
+
+- name: Query a filter of a tenant
+  aci_filter:
+    hostname: apic
+    username: admin
+    password: SomeSecretPassword
+    filter: web_filter
+    tenant: production
+    state: query
+
+- name: Query all filters for a tenant
+  aci_filter:
+    hostname: apic
+    username: admin
+    password: SomeSecretPassword
+    tenant: production
+    state: query
+'''
+
+RETURN = r'''
+#
+'''
+
+from ansible.module_utils.aci import ACIModule, aci_argument_spec
+from ansible.module_utils.basic import AnsibleModule
+
+
+def main():
+    argument_spec = aci_argument_spec
+    argument_spec.update(
+        filter=dict(type='str', required=False, aliases=['name', 'filter_name']),  # Not required for querying all objects
+        tenant=dict(type='str', required=True, aliases=['tenant_name']),  # Not required for querying all objects
+        description=dict(type='str', aliases=['descr']),
+        state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
+        method=dict(type='str', choices=['delete', 'get', 'post'], aliases=['action'], removed_in_version='2.6'),  # Deprecated starting from v2.6
+    )
+
+    module = AnsibleModule(
+        argument_spec=argument_spec,
+        supports_check_mode=True,
+    )
+
+    filter_name = module.params['filter']
+    tenant = module.params['tenant']
+    description = module.params['description']
+    state = module.params['state']
+
+    aci = ACIModule(module)
+
+    # TODO: Currently we require a tenant for a query, we could make this optional
+    # TODO: Investigate for a URI to query objects for a specific tenant
+    if filter_name is not None:
+        # Work with a specific object
+        path = 'api/mo/uni/tn-%(tenant)s/flt-%(filter_name)s.json' % module.params
+    elif state == 'query':
+        # Query all objects
+        path = 'api/node/class/vzFilter.json'
+    else:
+        module.fail_json(msg="Parameter 'filter' is required for state 'absent' or 'present'")
+
+    aci.result['url'] = '%(protocol)s://%(hostname)s/' % aci.params + path
+
+    aci.get_existing()
+
+    if state == 'present':
+        # Filter out module parameters with null values
+        aci.payload(aci_class='vzFilter', class_config=dict(name=filter_name, descr=description))
+
+        # Generate config diff which will be used as POST request body
+        aci.get_diff(aci_class='vzFilter')
+
+        # Submit changes if module not in check_mode and the proposed is different than existing
+        aci.post_config()
+
+    elif state == 'absent':
+        aci.delete_config()
+
+    module.exit_json(**aci.result)
+
+
+if __name__ == "__main__":
+    main()