add azure role assignment module (#52623)

* add role assignment module

* fix lint

* fix lint

* fix lint

* fix lint and ui

* fix lint

lib/ansible/modules/cloud/azure/azure_rm_roleassignment.py

@@ -0,0 +1,281 @@
+#!/usr/bin/python
+#
+# Copyright (c) 2018 Yunge Zhu, (@yungezz)
+#
+# 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': '1.1',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+
+DOCUMENTATION = '''
+---
+module: azure_rm_roleassignment
+version_added: "2.8"
+short_description: Manage Azure Role Assignment.
+description:
+    - Create and delete instance of Azure Role Assignment.
+
+options:
+    name:
+        description:
+            - Unique name of role assignment.
+    assignee_object_id:
+        description:
+            - The object id of assignee. This maps to the ID inside the Active Directory.
+            - It can point to a user, service principal or security group.
+            - Required when creating role assignment.
+    role_definition_id:
+        description:
+            - The role definition id used in the role assignment.
+            - Required when creating role assignment.
+    scope:
+        description:
+            - The scope of the role assignment to create.
+            - For example, use /subscriptions/{subscription-id}/ for subscription,
+            - /subscriptions/{subscription-id}/resourceGroups/{resource-group-name} for resource group,
+            - /subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/{resource-provider}/{resource-type}/{resource-name} for resource.
+    state:
+      description:
+        - Assert the state of the role assignment.
+        - Use 'present' to create or update a role assignment and 'absent' to delete it.
+      default: present
+      choices:
+        - absent
+        - present
+
+extends_documentation_fragment:
+    - azure
+
+author:
+    - "Yunge Zhu(@yungezz)"
+
+'''
+
+EXAMPLES = '''
+    - name: Create a role assignment
+      azure_rm_roleassignment:
+        scope: /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+        assignee_object_id: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+        role_definition_id:
+          "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/providers/Microsoft.Authorization/roleDefinitions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
+
+    - name: Delete a role assignment
+      azure_rm_roleassignment:
+        name: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+        scope: /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+
+'''
+
+RETURN = '''
+id:
+    description: Id of current role assignment.
+    returned: always
+    type: str
+    sample:
+      "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/providers/Microsoft.Authorization/roleAssignments/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
+'''
+
+import uuid
+from ansible.module_utils.azure_rm_common import AzureRMModuleBase
+
+try:
+    from msrestazure.azure_exceptions import CloudError
+    from msrestazure.azure_operation import AzureOperationPoller
+    from msrest.serialization import Model
+    from azure.mgmt.authorization import AuthorizationManagementClient
+    from azure.mgmt.authorization.models import RoleAssignmentCreateParameters
+
+except ImportError:
+    # This is handled in azure_rm_common
+    pass
+
+
+def roleassignment_to_dict(assignment):
+    return dict(
+        id=assignment.id,
+        name=assignment.name,
+        type=assignment.type,
+        assignee_object_id=assignment.principal_id,
+        role_definition_id=assignment.role_definition_id,
+        scope=assignment.scope
+    )
+
+
+class AzureRMRoleAssignment(AzureRMModuleBase):
+    """Configuration class for an Azure RM Role Assignment"""
+
+    def __init__(self):
+        self.module_arg_spec = dict(
+            name=dict(
+                type='str'
+            ),
+            scope=dict(
+                type='str'
+            ),
+            assignee_object_id=dict(
+                type='str'
+            ),
+            role_definition_id=dict(
+                type='str'
+            ),
+            state=dict(
+                type='str',
+                default='present',
+                choices=['present', 'absent']
+            )
+        )
+
+        self.name = None
+        self.scope = None
+        self.assignee_object_id = None
+        self.role_definition_id = None
+
+        self.results = dict(
+            changed=False,
+            id=None,
+        )
+        self.state = None
+
+        self._client = None
+
+        super(AzureRMRoleAssignment, self).__init__(derived_arg_spec=self.module_arg_spec,
+                                                    supports_check_mode=True,
+                                                    supports_tags=False)
+
+    def exec_module(self, **kwargs):
+        """Main module execution method"""
+
+        for key in list(self.module_arg_spec.keys()):
+            if hasattr(self, key):
+                setattr(self, key, kwargs[key])
+
+        old_response = None
+        response = None
+
+        # get management client
+        self._client = self.get_mgmt_svc_client(AuthorizationManagementClient,
+                                                base_url=self._cloud_environment.endpoints.resource_manager,
+                                                api_version="2018-01-01-preview")
+
+        # build cope
+        self.scope = self.build_scope()
+
+        if self.name is None:
+            self.name = str(uuid.uuid4())
+
+        # get existing role assignment
+        old_response = self.get_roleassignment()
+
+        if old_response:
+            self.results['id'] = old_response['id']
+
+        if self.state == 'present':
+            # check if the role assignment exists
+            if not old_response:
+                self.log("Role assignment doesn't exist in this scope")
+
+                self.results['changed'] = True
+
+                if self.check_mode:
+                    return self.results
+                response = self.create_roleassignment()
+                self.results['id'] = response['id']
+
+            else:
+                self.log("Role assignment already exists, not updatable")
+                self.log('Result: {0}'.format(old_response))
+
+        elif self.state == 'absent':
+            if old_response:
+                self.log("Delete role assignment")
+                self.results['changed'] = True
+
+                if self.check_mode:
+                    return self.results
+
+                self.delete_roleassignment()
+
+                self.log('role assignment deleted')
+
+            else:
+                self.fail("role assignment {0} not exists.".format(self.name))
+
+        return self.results
+
+    # build scope
+    def build_scope(self):
+        subscription_scope = '/subscription/' + self.subscription_id
+        if self.scope is None:
+            return subscription_scope
+        return self.scope
+
+    def create_roleassignment(self):
+        '''
+        Creates role assignment.
+
+        :return: deserialized role assignment
+        '''
+        self.log("Creating role assignment {0}".format(self.name))
+
+        try:
+            parameters = RoleAssignmentCreateParameters(role_definition_id=self.role_definition_id, principal_id=self.assignee_object_id)
+            response = self._client.role_assignments.create(scope=self.scope,
+                                                            role_assignment_name=self.name,
+                                                            parameters=parameters)
+
+        except CloudError as exc:
+            self.log('Error attempting to create role assignment.')
+            self.fail("Error creating role assignment: {0}".format(str(exc)))
+        return roleassignment_to_dict(response)
+
+    def delete_roleassignment(self):
+        '''
+        Deletes specified role assignment.
+
+        :return: True
+        '''
+        self.log("Deleting the role assignment {0}".format(self.name))
+        scope = self.build_scope()
+        try:
+            response = self._client.role_assignments.delete(name=self.name,
+                                                            scope=self.scope)
+        except CloudError as e:
+            self.log('Error attempting to delete the role assignment.')
+            self.fail("Error deleting the role assignment: {0}".format(str(e)))
+
+        return True
+
+    def get_roleassignment(self):
+        '''
+        Gets the properties of the specified role assignment.
+
+        :return: deserialized role assignment dictionary
+        '''
+        self.log("Checking if the role assignment {0} is present".format(self.name))
+
+        response = None
+
+        try:
+            response = self._client.role_assignments.get(scope=self.scope, role_assignment_name=self.name)
+
+            return roleassignment_to_dict(response)
+
+        except CloudError as ex:
+            self.log("Didn't find role assignment {0} in scope {1}".format(self.name, self.scope))
+
+        return False
+
+
+def main():
+    """Main execution"""
+    AzureRMRoleAssignment()
+
+
+if __name__ == '__main__':
+    main()