Modify na_ontap_net_port NetAppModule module format, allow for multiple ports, unit tests (#52286)

* Revert "changes to clusteR"

This reverts commit 33ee1b71e4bc8435fb315762a871f8c4cb6c5f80.

* add update to netport

* Revert "Revert "changes to clusteR""

This reverts commit 8e56b999e6.

* fix docs

* fix option

lib/ansible/modules/storage/netapp/na_ontap_net_port.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 
-# (c) 2018, NetApp, Inc
+# (c) 2018-2019, NetApp, Inc
 # 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
@@ -30,9 +30,11 @@ options:
     description:
     - Specifies the name of node.
     required: true
-  port:
+  ports:
+    aliases:
+    - port
     description:
-    - Specifies the name of port.
+    - Specifies the name of port(s).
     required: true
   mtu:
     description:
@@ -60,21 +62,24 @@ options:
 EXAMPLES = """
     - name: Modify Net Port
       na_ontap_net_port:
-        state=present
+        state: present
-        username={{ netapp_username }}
+        username: "{{ netapp_username }}"
-        password={{ netapp_password }}
+        password: "{{ netapp_password }}"
-        hostname={{ netapp_hostname }}
+        hostname: "{{ netapp_hostname }}"
-        node={{ Vsim server name }}
+        node: "{{ node_name }}"
-        port=e0d
+        ports: e0d,e0c
-        autonegotiate_admin=true
+        autonegotiate_admin: true
 """
 
 RETURN = """
 
 """
+import traceback
 
 from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils._text import to_native
 import ansible.module_utils.netapp as netapp_utils
+from ansible.module_utils.netapp_module import NetAppModule
 
 HAS_NETAPP_LIB = netapp_utils.has_netapp_lib()
 
@@ -92,7 +97,7 @@ class NetAppOntapNetPort(object):
         self.argument_spec.update(dict(
             state=dict(required=False, choices=['present'], default='present'),
             node=dict(required=True, type="str"),
-            port=dict(required=True, type="str"),
+            ports=dict(required=True, type="list", aliases=['port']),
             mtu=dict(required=False, type="str", default=None),
             autonegotiate_admin=dict(required=False, type="str", default=None),
             duplex_admin=dict(required=False, type="str", default=None),
@@ -106,119 +111,107 @@ class NetAppOntapNetPort(object):
             supports_check_mode=True
         )
 
-        p = self.module.params
+        self.na_helper = NetAppModule()
-
+        self.parameters = self.na_helper.set_parameters(self.module.params)
-        # set up state variables
+        self.set_playbook_zapi_key_map()
-        self.state = p['state']
-        self.node = p['node']
-        self.port = p['port']
-        # the following option are optional, but at least one need to be set
-        self.mtu = p['mtu']
-        self.autonegotiate_admin = p["autonegotiate_admin"]
-        self.duplex_admin = p["duplex_admin"]
-        self.speed_admin = p["speed_admin"]
-        self.flowcontrol_admin = p["flowcontrol_admin"]
 
         if HAS_NETAPP_LIB is False:
-            self.module.fail_json(
+            self.module.fail_json(msg="the python NetApp-Lib module is required")
-                msg="the python NetApp-Lib module is required")
         else:
             self.server = netapp_utils.setup_na_ontap_zapi(module=self.module)
         return
 
-    def get_net_port(self):
+    def set_playbook_zapi_key_map(self):
+        self.na_helper.zapi_string_keys = {
+            'mtu': 'mtu',
+            'autonegotiate_admin': 'is-administrative-auto-negotiate',
+            'duplex_admin': 'administrative-duplex',
+            'speed_admin': 'administrative-speed',
+            'flowcontrol_admin': 'administrative-flowcontrol',
+            'ipspace': 'ipspace'
+        }
+
+    def get_net_port(self, port):
         """
         Return details about the net port
-
+        :param: port: Name of the port
-        :return: Details about the net port. None if not found.
+        :return: Dictionary with current state of the port. None if not found.
         :rtype: dict
         """
-        net_port_info = netapp_utils.zapi.NaElement('net-port-get-iter')
+        net_port_get = netapp_utils.zapi.NaElement('net-port-get-iter')
-        net_port_attributes = netapp_utils.zapi.NaElement('net-port-info')
+        attributes = {
-        net_port_attributes.add_new_child('node', self.node)
+            'query': {
-        net_port_attributes.add_new_child('port', self.port)
+                'net-port-info': {
-        query = netapp_utils.zapi.NaElement('query')
+                    'node': self.parameters['node'],
-        query.add_child_elem(net_port_attributes)
+                    'port': port
-        net_port_info.add_child_elem(query)
+                }
-        result = self.server.invoke_successfully(net_port_info, True)
-        return_value = None
-
-        if result.get_child_by_name('num-records') and \
-                int(result.get_child_content('num-records')) >= 1:
-
-            net_port_attributes = result.get_child_by_name('attributes-list').\
-                get_child_by_name('net-port-info')
-            return_value = {
-                'node': net_port_attributes.get_child_content('node'),
-                'port': net_port_attributes.get_child_content('port'),
-                'mtu': net_port_attributes.get_child_content('mtu'),
-                'autonegotiate_admin': net_port_attributes.get_child_content(
-                    'is-administrative-auto-negotiate'),
-                'duplex_admin': net_port_attributes.get_child_content(
-                    'administrative-duplex'),
-                'speed_admin': net_port_attributes.get_child_content(
-                    'administrative-speed'),
-                'flowcontrol_admin': net_port_attributes.get_child_content(
-                    'administrative-flowcontrol'),
             }
-        return return_value
+        }
+        net_port_get.translate_struct(attributes)
 
-    def modify_net_port(self):
+        try:
+            result = self.server.invoke_successfully(net_port_get, True)
+            if result.get_child_by_name('num-records') and int(result.get_child_content('num-records')) >= 1:
+                port_info = result['attributes-list']['net-port-info']
+                port_details = dict()
+            else:
+                return None
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error getting net ports for %s: %s' % (self.parameters['node'], to_native(error)),
+                                  exception=traceback.format_exc())
+
+        for item_key, zapi_key in self.na_helper.zapi_string_keys.items():
+            port_details[item_key] = port_info.get_child_content(zapi_key)
+        return port_details
+
+    def modify_net_port(self, port, modify):
         """
         Modify a port
+
+        :param port: Name of the port
+        :param modify: dict with attributes to be modified
+        :return: None
         """
-        port_obj = netapp_utils.zapi.NaElement('net-port-modify')
+        port_modify = netapp_utils.zapi.NaElement('net-port-modify')
-        port_obj.add_new_child("node", self.node)
+        port_attributes = {'node': self.parameters['node'],
-        port_obj.add_new_child("port", self.port)
+                           'port': port}
-        # The following options are optional.
+        for key in modify:
-        # We will only call them if they are not set to None
+            if key in self.na_helper.zapi_string_keys:
-        if self.mtu:
+                zapi_key = self.na_helper.zapi_string_keys.get(key)
-            port_obj.add_new_child("mtu", self.mtu)
+                port_attributes[zapi_key] = modify[key]
-        if self.autonegotiate_admin:
+        port_modify.translate_struct(port_attributes)
-            port_obj.add_new_child(
+        try:
-                "is-administrative-auto-negotiate", self.autonegotiate_admin)
+            self.server.invoke_successfully(port_modify, enable_tunneling=True)
-        if self.duplex_admin:
+        except netapp_utils.zapi.NaApiError as error:
-            port_obj.add_new_child("administrative-duplex", self.duplex_admin)
+            self.module.fail_json(msg='Error modifying net ports for %s: %s' % (self.parameters['node'], to_native(error)),
-        if self.speed_admin:
+                                  exception=traceback.format_exc())
-            port_obj.add_new_child("administrative-speed", self.speed_admin)
+
-        if self.flowcontrol_admin:
+    def autosupport_log(self):
-            port_obj.add_new_child(
+        """
-                "administrative-flowcontrol", self.flowcontrol_admin)
+        AutoSupport log for na_ontap_net_port
-        self.server.invoke_successfully(port_obj, True)
+        :return: None
+        """
+        results = netapp_utils.get_cserver(self.server)
+        cserver = netapp_utils.setup_na_ontap_zapi(module=self.module, vserver=results)
+        netapp_utils.ems_log_event("na_ontap_net_port", cserver)
 
     def apply(self):
         """
         Run Module based on play book
         """
-        changed = False
-        net_port_exists = False
-        results = netapp_utils.get_cserver(self.server)
-        cserver = netapp_utils.setup_na_ontap_zapi(
-            module=self.module, vserver=results)
-        netapp_utils.ems_log_event("na_ontap_net_port", cserver)
-        net_port_details = self.get_net_port()
-        if net_port_details:
-            net_port_exists = True
-            if self.state == 'present':
-                if (self.mtu and self.mtu != net_port_details['mtu']) or \
-                   (self.autonegotiate_admin and
-                    self.autonegotiate_admin != net_port_details['autonegotiate_admin']) or \
-                   (self.duplex_admin and
-                    self.duplex_admin != net_port_details['duplex_admin']) or \
-                   (self.speed_admin and
-                    self.speed_admin != net_port_details['speed_admin']) or \
-                   (self.flowcontrol_admin and
-                        self.flowcontrol_admin != net_port_details['flowcontrol_admin']):
-                    changed = True
 
-        if changed:
+        self.autosupport_log()
-            if self.module.check_mode:
+        # Run the task for all ports in the list of 'ports'
-                pass
+        for port in self.parameters['ports']:
-            else:
+            current = self.get_net_port(port)
-                if self.state == 'present':
+            modify = self.na_helper.get_modified_attributes(current, self.parameters)
-                    if net_port_exists:
+            if self.na_helper.changed:
-                        self.modify_net_port()
+                if self.module.check_mode:
-        self.module.exit_json(changed=changed)
+                    pass
+                else:
+                    if modify:
+                        self.modify_net_port(port, modify)
+        self.module.exit_json(changed=self.na_helper.changed)
 
 
 def main():

test/units/modules/storage/netapp/test_na_ontap_net_port.py

@@ -0,0 +1,179 @@
+# (c) 2018, NetApp, Inc
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+''' unit test template for ONTAP Ansible module '''
+
+from __future__ import print_function
+import json
+import pytest
+
+from units.compat import unittest
+from units.compat.mock import patch, Mock
+from ansible.module_utils import basic
+from ansible.module_utils._text import to_bytes
+import ansible.module_utils.netapp as netapp_utils
+
+from ansible.modules.storage.netapp.na_ontap_net_port \
+    import NetAppOntapNetPort as port_module  # module under test
+
+if not netapp_utils.has_netapp_lib():
+    pytestmark = pytest.mark.skip('skipping as missing required netapp_lib')
+
+
+def set_module_args(args):
+    """prepare arguments so that they will be picked up during module creation"""
+    args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
+    basic._ANSIBLE_ARGS = to_bytes(args)  # pylint: disable=protected-access
+
+
+class AnsibleExitJson(Exception):
+    """Exception class to be raised by module.exit_json and caught by the test case"""
+    pass
+
+
+class AnsibleFailJson(Exception):
+    """Exception class to be raised by module.fail_json and caught by the test case"""
+    pass
+
+
+def exit_json(*args, **kwargs):  # pylint: disable=unused-argument
+    """function to patch over exit_json; package return data into an exception"""
+    if 'changed' not in kwargs:
+        kwargs['changed'] = False
+    raise AnsibleExitJson(kwargs)
+
+
+def fail_json(*args, **kwargs):  # pylint: disable=unused-argument
+    """function to patch over fail_json; package return data into an exception"""
+    kwargs['failed'] = True
+    raise AnsibleFailJson(kwargs)
+
+
+class MockONTAPConnection(object):
+    ''' mock server connection to ONTAP host '''
+
+    def __init__(self, kind=None, data=None):
+        ''' save arguments '''
+        self.type = kind
+        self.data = data
+        self.xml_in = None
+        self.xml_out = None
+
+    def invoke_successfully(self, xml, enable_tunneling):  # pylint: disable=unused-argument
+        ''' mock invoke_successfully returning xml data '''
+        self.xml_in = xml
+        if self.type == 'port':
+            xml = self.build_port_info(self.data)
+        self.xml_out = xml
+        return xml
+
+    @staticmethod
+    def build_port_info(port_details):
+        ''' build xml data for net-port-info '''
+        xml = netapp_utils.zapi.NaElement('xml')
+        attributes = {
+            'num-records': 1,
+            'attributes-list': {
+                'net-port-info': {
+                    # 'port': port_details['port'],
+                    'mtu': port_details['mtu'],
+                    'is-administrative-auto-negotiate': 'true',
+                    'ipspace': 'default',
+                    'administrative-flowcontrol': port_details['flowcontrol_admin'],
+                    'node': port_details['node']
+                }
+            }
+        }
+        xml.translate_struct(attributes)
+        return xml
+
+
+class TestMyModule(unittest.TestCase):
+    ''' a group of related Unit Tests '''
+
+    def setUp(self):
+        self.mock_module_helper = patch.multiple(basic.AnsibleModule,
+                                                 exit_json=exit_json,
+                                                 fail_json=fail_json)
+        self.mock_module_helper.start()
+        self.addCleanup(self.mock_module_helper.stop)
+        self.server = MockONTAPConnection()
+        self.mock_port = {
+            'node': 'test',
+            'ports': 'a1',
+            'flowcontrol_admin': 'something',
+            'mtu': '1000'
+        }
+
+    def mock_args(self):
+        return {
+            'node': self.mock_port['node'],
+            'flowcontrol_admin': self.mock_port['flowcontrol_admin'],
+            'ports': [self.mock_port['ports']],
+            'mtu': self.mock_port['mtu'],
+            'hostname': 'test',
+            'username': 'test_user',
+            'password': 'test_pass!'
+        }
+
+    def get_port_mock_object(self, kind=None, data=None):
+        """
+        Helper method to return an na_ontap_net_port object
+        :param kind: passes this param to MockONTAPConnection()
+        :return: na_ontap_net_port object
+        """
+        obj = port_module()
+        obj.autosupport_log = Mock(return_value=None)
+        if data is None:
+            data = self.mock_port
+        obj.server = MockONTAPConnection(kind=kind, data=data)
+        return obj
+
+    def test_module_fail_when_required_args_missing(self):
+        ''' required arguments are reported as errors '''
+        with pytest.raises(AnsibleFailJson) as exc:
+            set_module_args({})
+            port_module()
+        print('Info: %s' % exc.value.args[0]['msg'])
+
+    def test_get_nonexistent_port(self):
+        ''' Test if get_net_port returns None for non-existent port '''
+        set_module_args(self.mock_args())
+        result = self.get_port_mock_object().get_net_port('test')
+        assert result is None
+
+    def test_get_existing_port(self):
+        ''' Test if get_net_port returns details for existing port '''
+        set_module_args(self.mock_args())
+        result = self.get_port_mock_object('port').get_net_port('test')
+        assert result['mtu'] == self.mock_port['mtu']
+        assert result['flowcontrol_admin'] == self.mock_port['flowcontrol_admin']
+
+    def test_successful_modify(self):
+        ''' Test modify_net_port '''
+        data = self.mock_args()
+        data['mtu'] = '2000'
+        set_module_args(data)
+        with pytest.raises(AnsibleExitJson) as exc:
+            self.get_port_mock_object('port').apply()
+        assert exc.value.args[0]['changed']
+
+    def test_successful_modify_multiple_ports(self):
+        ''' Test modify_net_port '''
+        data = self.mock_args()
+        data['ports'] = ['a1', 'a2']
+        data['mtu'] = '2000'
+        set_module_args(data)
+        with pytest.raises(AnsibleExitJson) as exc:
+            self.get_port_mock_object('port').apply()
+        assert exc.value.args[0]['changed']
+
+    @patch('ansible.modules.storage.netapp.na_ontap_net_port.NetAppOntapNetPort.get_net_port')
+    def test_get_called(self, get_port):
+        ''' Test get_net_port '''
+        data = self.mock_args()
+        data['ports'] = ['a1', 'a2']
+        set_module_args(data)
+        with pytest.raises(AnsibleExitJson) as exc:
+            self.get_port_mock_object('port').apply()
+        assert get_port.call_count == 2