Lenovo cnos vrf (#54188)

* Adding module cnos_vrf to manage VRF Configurations.

* Update cnos_vrf.py

* Adding Functional Tests, Unit Tests and Bug Fixes.

* Fixing discrepancy in description against sample

* Review comments incorporated

* Review comments 2 Done

* Update basic.yaml

* Update test_cnos_vrf.py

* Review comments 3

test/units/modules/network/cnos/fixtures/cnos_vrf_config.cfg

@@ -0,0 +1,176 @@
+Maximum number of vrfs allowed: 65
+VRF default, FIB ID 0
+Router ID: 20.141.2.1 (automatic)
+RD 0:0
+Interfaces:
+  Vlan1
+  Vlan2
+  Vlan13
+  loopback0
+  Ethernet1/5
+  Ethernet1/6
+  Ethernet1/7
+  Ethernet1/8
+  Ethernet1/9
+  Ethernet1/11
+  Ethernet1/12
+  Ethernet1/13
+  Ethernet1/44
+  po1
+  po2
+  po3
+  po4
+  po6
+  po7
+  po8
+  po9
+  po10
+  po11
+  po12
+  po13
+  po14
+  po15
+  po16
+  po17
+  po18
+  po19
+  po21
+  po22
+  po23
+  po24
+  po25
+  po26
+  po27
+  po28
+  po29
+  po30
+  po31
+  po32
+  po33
+  po34
+  po35
+  po36
+  po37
+  po38
+  po39
+  po40
+  po41
+  po42
+  po43
+  po44
+  po45
+  po46
+  po47
+  po48
+  po49
+  po50
+  po51
+  po52
+  po53
+  po54
+  po55
+  po56
+  po57
+  po58
+  po59
+  po60
+  po61
+  po62
+  po63
+  po64
+  po65
+  po66
+  po67
+  po1001
+  po1002
+  po1003
+ po1004
+  Ethernet1/1
+  Ethernet1/2
+  Ethernet1/3
+  Ethernet1/4
+  Ethernet1/10
+  Ethernet1/14
+  Ethernet1/15
+  Ethernet1/16
+  Ethernet1/17
+  Ethernet1/18
+  Ethernet1/19
+  Ethernet1/20
+  Ethernet1/21
+  Ethernet1/22
+  Ethernet1/23
+  Ethernet1/24
+  Ethernet1/25
+  Ethernet1/26
+  Ethernet1/27
+  Ethernet1/28
+  Ethernet1/29
+  Ethernet1/30
+  Ethernet1/31
+  Ethernet1/32
+  Ethernet1/34
+  Ethernet1/35
+  Ethernet1/36
+  Ethernet1/37
+  Ethernet1/38
+  Ethernet1/39
+  Ethernet1/40
+  Ethernet1/41
+  Ethernet1/42
+  Ethernet1/43
+  Ethernet1/45
+  Ethernet1/46
+  Ethernet1/47
+  Ethernet1/48
+  Ethernet1/49
+  Ethernet1/50
+  Ethernet1/51
+  Ethernet1/52
+  Ethernet1/53
+  Ethernet1/54
+!
+VRF management, FIB ID 1
+Router ID: 10.241.107.39 (automatic)
+RD 0:0
+Interfaces:
+  mgmt0
+!
+VRF test, FIB ID 2
+Router ID is not set
+RD 1:201
+Interfaces:
+  Ethernet1/33
+!
+VRF test1, FIB ID 3
+Router ID is not set
+RD 1:202
+Interfaces:
+  loopback1
+  loopback2
+  loopback3
+  loopback4
+  loopback5
+  loopback6
+!
+VRF test2, FIB ID 4
+Router ID is not set
+RD 0:0
+Interfaces:
+!
+VRF test3, FIB ID 5
+Router ID is not set
+RD 1:203
+Interfaces:
+!
+VRF test4, FIB ID 6
+Router ID is not set
+RD 1:204
+Interfaces:
+!
+VRF test5, FIB ID 7
+Router ID is not set
+RD 1:205
+Interfaces:
+!
+

test/units/modules/network/cnos/test_cnos_vrf.py

@@ -0,0 +1,71 @@
+#
+# (c) 2019 Lenovo.
+#
+# 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/>.
+#
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+from units.compat.mock import patch
+from ansible.modules.network.cnos import cnos_vrf
+from units.modules.utils import set_module_args
+from .cnos_module import TestCnosModule, load_fixture
+
+
+class TestCnosVrfModule(TestCnosModule):
+
+    module = cnos_vrf
+
+    def setUp(self):
+        super(TestCnosVrfModule, self).setUp()
+
+        self.mock_load_config = patch('ansible.modules.network.cnos.cnos_vrf.load_config')
+        self.load_config = self.mock_load_config.start()
+
+        self.mock_run_commands = patch('ansible.modules.network.cnos.cnos_vrf.run_commands')
+        self.run_commands = self.mock_run_commands.start()
+
+    def tearDown(self):
+        super(TestCnosVrfModule, self).tearDown()
+        self.mock_load_config.stop()
+        self.mock_run_commands.stop()
+
+    def load_fixtures(self, commands=None):
+        config_file = 'cnos_vrf_config.cfg'
+        self.load_config.return_value = load_fixture(config_file)
+        self.run_commands.return_value = load_fixture(config_file)
+
+    def test_cnos_vrf_present(self):
+        set_module_args(dict(name='test1', state='present'))
+        self.execute_module(changed=True, commands=['vrf context test1'])
+
+    def test_cnos_vrf_present_management(self):
+        set_module_args(dict(name='management', state='present'))
+        self.execute_module(changed=True, commands=['vrf context management'])
+
+    def test_cnos_vrf_absent_management(self):
+        set_module_args(dict(name='management', state='absent'))
+        result = self.execute_module(failed=True)
+        self.assertEqual(result['msg'], 'Management VRF context cannot be deleted')
+
+    def test_cnos_vrf_absent_no_change(self):
+        set_module_args(dict(name='test1', state='absent'))
+        self.execute_module(changed=False, commands=[])
+
+    def test_cnos_vrf_default(self):
+        set_module_args(dict(name='default', state='present'))
+        result = self.execute_module(failed=True)
+        self.assertEqual(result['msg'], 'VRF context default is reserved')