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New Module: na_ontap_snapshot_policy.py (#52299)
* Revert "changes to clusteR" This reverts commit 33ee1b71e4bc8435fb315762a871f8c4cb6c5f80. * add snapshot policy * Revert "Revert "changes to clusteR"" This reverts commit 8e56b999e6cf6a65de339e516f7134a6b6b39cba. * review change
This commit is contained in:
Chris Archibald
John R Barker
parent
e2164c5378
commit
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2 changed files with 420 additions and 0 deletions
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# (c) 2018, NetApp, Inc
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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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''' unit tests ONTAP Ansible module: na_ontap_snapshot_policy'''
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from __future__ import print_function
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import json
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import pytest
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from units.compat import unittest
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from units.compat.mock import patch, Mock
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from ansible.module_utils import basic
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from ansible.module_utils._text import to_bytes
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import ansible.module_utils.netapp as netapp_utils
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from ansible.modules.storage.netapp.na_ontap_snapshot_policy \
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import NetAppOntapSnapshotPolicy as my_module
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if not netapp_utils.has_netapp_lib():
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pytestmark = pytest.mark.skip('skipping as missing required netapp_lib')
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def set_module_args(args):
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"""prepare arguments so that they will be picked up during module creation"""
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args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
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basic._ANSIBLE_ARGS = to_bytes(args) # pylint: disable=protected-access
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class AnsibleExitJson(Exception):
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"""Exception class to be raised by module.exit_json and caught by the test case"""
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pass
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class AnsibleFailJson(Exception):
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"""Exception class to be raised by module.fail_json and caught by the test case"""
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pass
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def exit_json(*args, **kwargs): # pylint: disable=unused-argument
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"""function to patch over exit_json; package return data into an exception"""
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if 'changed' not in kwargs:
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kwargs['changed'] = False
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raise AnsibleExitJson(kwargs)
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def fail_json(*args, **kwargs): # pylint: disable=unused-argument
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"""function to patch over fail_json; package return data into an exception"""
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kwargs['failed'] = True
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raise AnsibleFailJson(kwargs)
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class MockONTAPConnection(object):
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''' mock server connection to ONTAP host '''
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def __init__(self, kind=None):
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''' save arguments '''
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self.type = kind
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self.xml_in = None
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self.xml_out = None
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def invoke_successfully(self, xml, enable_tunneling): # pylint: disable=unused-argument
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''' mock invoke_successfully returning xml data '''
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self.xml_in = xml
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if self.type == 'policy':
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xml = self.build_snapshot_policy_info()
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elif self.type == 'policy_fail':
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raise netapp_utils.zapi.NaApiError(code='TEST', message="This exception is from the unit test")
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self.xml_out = xml
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return xml
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def asup_log_for_cserver(self):
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''' mock autosupport log'''
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return None
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@staticmethod
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def build_snapshot_policy_info():
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''' build xml data for snapshot-policy-info '''
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xml = netapp_utils.zapi.NaElement('xml')
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data = {'num-records': 1,
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'attributes-list': {'snapshot-policy-info': {'policy': 'ansible'}}}
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xml.translate_struct(data)
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return xml
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class TestMyModule(unittest.TestCase):
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''' a group of related Unit Tests '''
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def setUp(self):
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self.mock_module_helper = patch.multiple(basic.AnsibleModule,
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exit_json=exit_json,
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fail_json=fail_json)
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self.mock_module_helper.start()
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self.addCleanup(self.mock_module_helper.stop)
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self.server = MockONTAPConnection()
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self.onbox = False
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def set_default_args(self):
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if self.onbox:
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hostname = '10.10.10.10'
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username = 'admin'
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password = '1234'
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name = 'ansible'
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enabled = True
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count = 100
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schedule = 'hourly'
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comment = 'new comment'
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else:
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hostname = 'hostname'
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username = 'username'
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password = 'password'
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name = 'ansible'
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enabled = True
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count = 100
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schedule = 'hourly'
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comment = 'new comment'
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return dict({
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'hostname': hostname,
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'username': username,
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'password': password,
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'name': name,
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'enabled': enabled,
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'count': count,
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'schedule': schedule,
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'comment': comment
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})
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def test_module_fail_when_required_args_missing(self):
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''' required arguments are reported as errors '''
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with pytest.raises(AnsibleFailJson) as exc:
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set_module_args({})
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my_module()
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print('Info: %s' % exc.value.args[0]['msg'])
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def test_ensure_get_called(self):
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''' test get_snapshot_policy() for non-existent snapshot policy'''
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set_module_args(self.set_default_args())
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my_obj = my_module()
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my_obj.server = self.server
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assert my_obj.get_snapshot_policy() is None
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def test_ensure_get_called_existing(self):
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''' test get_snapshot_policy() for existing snapshot policy'''
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set_module_args(self.set_default_args())
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my_obj = my_module()
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my_obj.server = MockONTAPConnection(kind='policy')
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assert my_obj.get_snapshot_policy()
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@patch('ansible.modules.storage.netapp.na_ontap_snapshot_policy.NetAppOntapSnapshotPolicy.create_snapshot_policy')
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def test_successful_create(self, create_snapshot):
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''' creating snapshot policy and testing idempotency '''
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set_module_args(self.set_default_args())
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my_obj = my_module()
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my_obj.asup_log_for_cserver = Mock(return_value=None)
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if not self.onbox:
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my_obj.server = self.server
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with pytest.raises(AnsibleExitJson) as exc:
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my_obj.apply()
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assert exc.value.args[0]['changed']
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create_snapshot.assert_called_with()
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# to reset na_helper from remembering the previous 'changed' value
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my_obj = my_module()
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my_obj.asup_log_for_cserver = Mock(return_value=None)
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if not self.onbox:
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my_obj.server = MockONTAPConnection('policy')
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with pytest.raises(AnsibleExitJson) as exc:
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my_obj.apply()
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assert not exc.value.args[0]['changed']
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@patch('ansible.modules.storage.netapp.na_ontap_snapshot_policy.NetAppOntapSnapshotPolicy.delete_snapshot_policy')
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def test_successful_delete(self, delete_snapshot):
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''' deleting snapshot policy and testing idempotency '''
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data = self.set_default_args()
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data['state'] = 'absent'
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set_module_args(data)
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my_obj = my_module()
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my_obj.asup_log_for_cserver = Mock(return_value=None)
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if not self.onbox:
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my_obj.server = MockONTAPConnection('policy')
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with pytest.raises(AnsibleExitJson) as exc:
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my_obj.apply()
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assert exc.value.args[0]['changed']
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delete_snapshot.assert_called_with()
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# to reset na_helper from remembering the previous 'changed' value
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my_obj = my_module()
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my_obj.asup_log_for_cserver = Mock(return_value=None)
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if not self.onbox:
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my_obj.server = self.server
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with pytest.raises(AnsibleExitJson) as exc:
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my_obj.apply()
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assert not exc.value.args[0]['changed']
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def test_if_all_methods_catch_exception(self):
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module_args = {}
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module_args.update(self.set_default_args())
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set_module_args(module_args)
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my_obj = my_module()
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if not self.onbox:
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my_obj.server = MockONTAPConnection('policy_fail')
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with pytest.raises(AnsibleFailJson) as exc:
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my_obj.create_snapshot_policy()
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assert 'Error creating snapshot policy ansible:' in exc.value.args[0]['msg']
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with pytest.raises(AnsibleFailJson) as exc:
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my_obj.delete_snapshot_policy()
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assert 'Error deleting snapshot policy ansible:' in exc.value.args[0]['msg']
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