nxos_vrf_af fix and unit test (#24399)

* nxos_vrf_af fix and unit test

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>

* ansibot told me to do this

* use sorted() as the test list elements differ in order for python2.x and 3.x

lib/ansible/modules/network/nxos/nxos_vrf_af.py

@@ -16,10 +16,11 @@
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-ANSIBLE_METADATA = {'metadata_version': '1.0',
-                    'status': ['preview'],
-                    'supported_by': 'community'}
-
+ANSIBLE_METADATA = {
+    'metadata_version': '1.0',
+    'status': ['preview'],
+    'supported_by': 'community'
+}
 
 DOCUMENTATION = '''
 ---
@@ -28,81 +29,60 @@ extends_documentation_fragment: nxos
 version_added: "2.2"
 short_description: Manages VRF AF.
 description:
-    - Manages VRF AF
+  - Manages VRF AF
 author: Gabriele Gerbino (@GGabriele)
 notes:
-    - Default, where supported, restores params default value.
+  - Default, where supported, restores params default value.
 options:
-    vrf:
-        description:
-            - Name of the VRF.
-        required: true
-    afi:
-        description:
-            - Address-Family Identifier (AFI).
-        required: true
-        choices: ['ipv4', 'ipv6']
-        default: null
-    safi:
-        description:
-            - Sub Address-Family Identifier (SAFI).
-        required: true
-        choices: ['unicast', 'multicast']
-        default: null
-    route_target_both_auto_evpn:
-        description:
-            - Enable/Disable the EVPN route-target 'auto' setting for both
-              import and export target communities.
-        required: false
-        choices: ['true', 'false']
-        default: null
-    state:
-        description:
-            - Determines whether the config should be present or
-              not on the device.
-        required: false
-        default: present
-        choices: ['present','absent']
+  vrf:
+    description:
+      - Name of the VRF.
+    required: true
+  afi:
+    description:
+      - Address-Family Identifier (AFI).
+    required: true
+    choices: ['ipv4', 'ipv6']
+    default: null
+  safi:
+    description:
+      - Sub Address-Family Identifier (SAFI).
+    required: true
+    choices: ['unicast', 'multicast']
+    default: null
+  route_target_both_auto_evpn:
+    description:
+      - Enable/Disable the EVPN route-target 'auto' setting for both
+        import and export target communities.
+    required: false
+    choices: ['true', 'false']
+    default: null
+  state:
+    description:
+      - Determines whether the config should be present or
+        not on the device.
+    required: false
+    default: present
+    choices: ['present','absent']
 '''
+
 EXAMPLES = '''
 - nxos_vrf_af:
-    interface: nve1
-    vni: 6000
-    ingress_replication: true
-    username: "{{ un }}"
-    password: "{{ pwd }}"
-    host: "{{ inventory_hostname }}"
+    vrf: ntc
+    afi: ipv4
+    safi: unicast
+    route_target_both_auto_evpn: True
+    state: present
 '''
+
 RETURN = '''
-proposed:
-    description: k/v pairs of parameters passed into module
-    returned: verbose mode
-    type: dict
-    sample: {"afi": "ipv4", "route_target_both_auto_evpn": true,
-            "safi": "unicast", "vrf": "test"}
-existing:
-    description: k/v pairs of existing configuration
-    returned: verbose mode
-    type: dict
-    sample: {"afi": "ipv4", "route_target_both_auto_evpn": false,
-            "safi": "unicast", "vrf": "test"}
-end_state:
-    description: k/v pairs of configuration after module execution
-    returned: verbose mode
-    type: dict
-    sample: {"afi": "ipv4", "route_target_both_auto_evpn": true,
-            "safi": "unicast", "vrf": "test"}
-updates:
+commands:
     description: commands sent to the device
     returned: always
     type: list
-    sample: ["vrf context test", "address-family ipv4 unicast",
-            "route-target both auto evpn"]
-changed:
-    description: check to see if a change was made on the device
-    returned: always
-    type: boolean
-    sample: true
+    sample: ["vrf context ntc", "address-family ipv4 unicast",
+            "afi ipv4", "route-target both auto evpn", "vrf ntc",
+            "safi unicast"]
 '''
 
 import re
@@ -112,33 +92,32 @@ from ansible.module_utils.nxos import nxos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.netcfg import CustomNetworkConfig
 
+
 BOOL_PARAMS = ['route_target_both_auto_evpn']
 PARAM_TO_COMMAND_KEYMAP = {
-    'route_target_both_auto_evpn': 'route-target both auto evpn',
+    'vrf': 'vrf',
+    'safi': 'safi',
+    'afi': 'afi',
+    'route_target_both_auto_evpn': 'route-target both auto evpn'
 }
 PARAM_TO_DEFAULT_KEYMAP = {}
-WARNINGS = []
-
-def invoke(name, *args, **kwargs):
-    func = globals().get(name)
-    if func:
-        return func(*args, **kwargs)
 
 
 def get_value(arg, config, module):
+    command = PARAM_TO_COMMAND_KEYMAP.get(arg)
     if arg in BOOL_PARAMS:
-        REGEX = re.compile(r'\s+{0}\s*$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
+        command_re = re.compile(r'\s+{0}\s*$'.format(command), re.M)
         value = False
         try:
-            if REGEX.search(config):
+            if command_re.search(config):
                 value = True
         except TypeError:
             value = False
     else:
-        REGEX = re.compile(r'(?:{0}\s)(?P<value>.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
+        command_re = re.compile(r'(?:{0}\s)(?P<value>.*)$'.format(command), re.M)
         value = ''
-        if PARAM_TO_COMMAND_KEYMAP[arg] in config:
-            value = REGEX.search(config).group('value')
+        if command in config:
+            value = command_re.search(config).group('value')
     return value
 
 
@@ -148,7 +127,7 @@ def get_existing(module, args):
 
     parents = ['vrf context {0}'.format(module.params['vrf'])]
     parents.append('address-family {0} {1}'.format(module.params['afi'],
-                                            module.params['safi']))
+                                                   module.params['safi']))
     config = netcfg.get_section(parents)
     if config:
         splitted_config = config.splitlines()
@@ -173,14 +152,10 @@ def get_existing(module, args):
 
 def apply_key_map(key_map, table):
     new_dict = {}
-    for key, value in table.items():
+    for key in table:
         new_key = key_map.get(key)
         if new_key:
-            value = table.get(key)
-            if value:
-                new_dict[new_key] = value
-            else:
-                new_dict[new_key] = value
+            new_dict[new_key] = table.get(key)
     return new_dict
 
 
@@ -207,7 +182,7 @@ def state_present(module, existing, proposed, candidate):
     if commands:
         parents = ['vrf context {0}'.format(module.params['vrf'])]
         parents.append('address-family {0} {1}'.format(module.params['afi'],
-                                                module.params['safi']))
+                                                       module.params['safi']))
         candidate.add(commands, parents=parents)
 
 
@@ -215,19 +190,18 @@ def state_absent(module, existing, proposed, candidate):
     commands = []
     parents = ['vrf context {0}'.format(module.params['vrf'])]
     commands.append('no address-family {0} {1}'.format(module.params['afi'],
-                                                module.params['safi']))
+                                                       module.params['safi']))
     candidate.add(commands, parents=parents)
 
 
 def main():
     argument_spec = dict(
         vrf=dict(required=True, type='str'),
-        safi=dict(required=True, type='str', choices=['unicast','multicast']),
-        afi=dict(required=True, type='str', choices=['ipv4','ipv6']),
+        safi=dict(required=True, type='str', choices=['unicast', 'multicast']),
+        afi=dict(required=True, type='str', choices=['ipv4', 'ipv6']),
         route_target_both_auto_evpn=dict(required=False, type='bool'),
         m_facts=dict(required=False, default=False, type='bool'),
-        state=dict(choices=['present', 'absent'], default='present',
-                       required=False),
+        state=dict(choices=['present', 'absent'], default='present', required=False),
         include_defaults=dict(default=False),
         config=dict(),
         save=dict(type='bool', default=False)
@@ -235,26 +209,17 @@ def main():
 
     argument_spec.update(nxos_argument_spec)
 
-    module = AnsibleModule(argument_spec=argument_spec,
-                                supports_check_mode=True)
+    module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True)
 
     warnings = list()
     check_args(module, warnings)
-
+    result = dict(changed=False, warnings=warnings)
 
     state = module.params['state']
-
-    args =  [
-        'vrf',
-        'safi',
-        'afi',
-        'route_target_both_auto_evpn'
-    ]
-
-    existing = invoke('get_existing', module, args)
-    end_state = existing
+    args = PARAM_TO_COMMAND_KEYMAP.keys()
+    existing = get_existing(module, args)
     proposed_args = dict((k, v) for k, v in module.params.items()
-                    if v is not None and k in args)
+                         if v is not None and k in args)
 
     proposed = {}
     for key, value in proposed_args.items():
@@ -263,31 +228,24 @@ def main():
                 value = PARAM_TO_DEFAULT_KEYMAP.get(key)
                 if value is None:
                     value = 'default'
-            if existing.get(key) or (not existing.get(key) and value):
+            if existing.get(key) != value:
                 proposed[key] = value
 
-    result = {}
-    if state == 'present' or (state == 'absent' and existing):
-        candidate = CustomNetworkConfig(indent=3)
-        invoke('state_%s' % state, module, existing, proposed, candidate)
-        response = load_config(module, candidate)
-        result.update(response)
-
-    else:
-        result['updates'] = []
+    candidate = CustomNetworkConfig(indent=3)
+    if state == 'present':
+        state_present(module, existing, proposed, candidate)
+    elif state == 'absent' and existing:
+        state_absent(module, existing, proposed, candidate)
 
-    if module._verbosity > 0:
-        end_state = invoke('get_existing', module, args)
-        result['end_state'] = end_state
-        result['existing'] = existing
-        result['proposed'] = proposed_args
-
-    if WARNINGS:
-        result['warnings'] = WARNINGS
+    if candidate:
+        load_config(module, candidate)
+        result['changed'] = True
+        result['commands'] = candidate.items_text()
 
+    else:
+        result['commands'] = []
     module.exit_json(**result)
 
 
 if __name__ == '__main__':
     main()
-

test/sanity/pep8/legacy-files.txt

@@ -536,7 +536,6 @@ lib/ansible/modules/network/nxos/nxos_user.py
 lib/ansible/modules/network/nxos/nxos_vpc.py
 lib/ansible/modules/network/nxos/nxos_vpc_interface.py
 lib/ansible/modules/network/nxos/nxos_vrf.py
-lib/ansible/modules/network/nxos/nxos_vrf_af.py
 lib/ansible/modules/network/nxos/nxos_vrf_interface.py
 lib/ansible/modules/network/nxos/nxos_vrrp.py
 lib/ansible/modules/network/nxos/nxos_vtp_domain.py

test/units/modules/network/nxos/test_nxos_vrf_af.py

@@ -0,0 +1,72 @@
+# (c) 2016 Red Hat Inc.
+#
+# This file is part of Ansible
+#
+# Ansible 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.
+#
+# Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import json
+
+from ansible.compat.tests.mock import patch
+from ansible.modules.network.nxos import nxos_vrf_af
+from .nxos_module import TestNxosModule, load_fixture, set_module_args
+
+
+class TestNxosVrfafModule(TestNxosModule):
+
+    module = nxos_vrf_af
+
+    def setUp(self):
+        self.mock_run_commands = patch('ansible.modules.network.nxos.nxos_vrf_af.run_commands')
+        self.run_commands = self.mock_run_commands.start()
+        self.mock_load_config = patch('ansible.modules.network.nxos.nxos_vrf_af.load_config')
+        self.load_config = self.mock_load_config.start()
+
+        self.mock_get_config = patch('ansible.modules.network.nxos.nxos_vrf_af.get_config')
+        self.get_config = self.mock_get_config.start()
+
+    def tearDown(self):
+        self.mock_run_commands.stop()
+        self.mock_load_config.stop()
+        self.mock_get_config.stop()
+
+    def load_fixtures(self, commands=None):
+        self.load_config.return_value = None
+
+    def test_nxos_vrf_af_present(self):
+        set_module_args(dict(vrf='ntc', afi='ipv4', safi='unicast', state='present'))
+        result = self.execute_module(changed=True)
+        self.assertEqual(sorted(result['commands']), sorted(['vrf context ntc',
+                                                             'address-family ipv4 unicast',
+                                                             'afi ipv4',
+                                                             'vrf ntc',
+                                                             'safi unicast']))
+
+    def test_nxos_vrf_af_absent(self):
+        set_module_args(dict(vrf='ntc', afi='ipv4', safi='unicast', state='absent'))
+        result = self.execute_module(changed=False)
+        self.assertEqual(result['commands'], [])
+
+    def test_nxos_vrf_af_route_target(self):
+        set_module_args(dict(vrf='ntc', afi='ipv4', safi='unicast', route_target_both_auto_evpn=True))
+        result = self.execute_module(changed=True)
+        self.assertEqual(sorted(result['commands']), sorted(['vrf context ntc',
+                                                             'address-family ipv4 unicast',
+                                                             'afi ipv4',
+                                                             'route-target both auto evpn',
+                                                             'vrf ntc',
+                                                             'safi unicast']))