Adding postgresql configuration module (#45072)

* adding postgresqlconfiguration

* removed unnecessary option

* small fixes

* moved tests to main server test

* update comments

* updated module

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

@@ -0,0 +1,241 @@
+#!/usr/bin/python
+#
+# Copyright (c) 2019 Zim Kalinowski, (@zikalino)
+#
+# 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_postgresqlconfiguration
+version_added: "2.8"
+short_description: Manage Azure PostgreSQL Configuration.
+description:
+    - Update or reset Azure PostgreSQL Configuration setting.
+
+options:
+    resource_group:
+        description:
+            - The name of the resource group that contains the resource.
+        required: True
+    server_name:
+        description:
+            - The name of the server.
+        required: True
+    name:
+        description:
+            - Setting name.
+        required: True
+    value:
+        description:
+            - Setting value.
+    state:
+        description:
+            - Assert the state of the PostgreSQL setting. Use C(present) to update setting, or
+              C(absent) to reset to default value.
+        default: present
+        choices:
+            - absent
+            - present
+
+extends_documentation_fragment:
+    - azure
+
+author:
+    - "Zim Kalinowski (@zikalino)"
+
+'''
+
+EXAMPLES = '''
+  - name: Update PostgreSQL Server setting
+    azure_rm_postgresqlconfiguration:
+      resource_group: myResourceGroup
+      server_name: myServer
+      name: deadlock_timeout
+      value: 2000
+'''
+
+RETURN = '''
+id:
+    description:
+        - Resource ID
+    returned: always
+    type: str
+    sample: "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroups/myResourceGroup/providers/Microsoft.DBforPostgreSQL/servers/myServer/confi
+             gurations/event_scheduler"
+'''
+
+import time
+from ansible.module_utils.azure_rm_common import AzureRMModuleBase
+
+try:
+    from msrestazure.azure_exceptions import CloudError
+    from msrest.polling import LROPoller
+    from azure.mgmt.rdbms.postgresql import MySQLManagementClient
+    from msrest.serialization import Model
+except ImportError:
+    # This is handled in azure_rm_common
+    pass
+
+
+class Actions:
+    NoAction, Create, Update, Delete = range(4)
+
+
+class AzureRMConfigurations(AzureRMModuleBase):
+
+    def __init__(self):
+        self.module_arg_spec = dict(
+            resource_group=dict(
+                type='str',
+                required=True
+            ),
+            server_name=dict(
+                type='str',
+                required=True
+            ),
+            name=dict(
+                type='str',
+                required=True
+            ),
+            value=dict(
+                type='str'
+            ),
+            state=dict(
+                type='str',
+                default='present',
+                choices=['present', 'absent']
+            )
+        )
+
+        self.resource_group = None
+        self.server_name = None
+        self.name = None
+        self.value = None
+
+        self.results = dict(changed=False)
+        self.state = None
+        self.to_do = Actions.NoAction
+
+        super(AzureRMConfigurations, self).__init__(derived_arg_spec=self.module_arg_spec,
+                                                    supports_check_mode=True,
+                                                    supports_tags=False)
+
+    def exec_module(self, **kwargs):
+
+        for key in list(self.module_arg_spec.keys()):
+            if hasattr(self, key):
+                setattr(self, key, kwargs[key])
+
+        old_response = None
+        response = None
+
+        old_response = self.get_configuration()
+
+        if not old_response:
+            self.log("Configuration instance doesn't exist")
+            if self.state == 'absent':
+                self.log("Old instance didn't exist")
+            else:
+                self.to_do = Actions.Create
+        else:
+            self.log("Configuration instance already exists")
+            if self.state == 'absent' and old_response['source'] == 'user-override':
+                self.to_do = Actions.Delete
+            elif self.state == 'present':
+                self.log("Need to check if Configuration instance has to be deleted or may be updated")
+                if self.value != old_response.get('value'):
+                    self.to_do = Actions.Update
+
+        if (self.to_do == Actions.Create) or (self.to_do == Actions.Update):
+            self.log("Need to Create / Update the Configuration instance")
+
+            if self.check_mode:
+                self.results['changed'] = True
+                return self.results
+
+            response = self.create_update_configuration()
+
+            self.results['changed'] = True
+            self.log("Creation / Update done")
+        elif self.to_do == Actions.Delete:
+            self.log("Configuration instance deleted")
+            self.results['changed'] = True
+
+            if self.check_mode:
+                return self.results
+
+            self.delete_configuration()
+        else:
+            self.log("Configuration instance unchanged")
+            self.results['changed'] = False
+            response = old_response
+
+        if response:
+            self.results["id"] = response["id"]
+
+        return self.results
+
+    def create_update_configuration(self):
+        self.log("Creating / Updating the Configuration instance {0}".format(self.name))
+
+        try:
+            response = self.postgresql_client.configurations.create_or_update(resource_group_name=self.resource_group,
+                                                                              server_name=self.server_name,
+                                                                              configuration_name=self.name,
+                                                                              value=self.value,
+                                                                              source='user-override')
+            if isinstance(response, LROPoller):
+                response = self.get_poller_result(response)
+
+        except CloudError as exc:
+            self.log('Error attempting to create the Configuration instance.')
+            self.fail("Error creating the Configuration instance: {0}".format(str(exc)))
+        return response.as_dict()
+
+    def delete_configuration(self):
+        self.log("Deleting the Configuration instance {0}".format(self.name))
+        try:
+            response = self.postgresql_client.configurations.create_or_update(resource_group_name=self.resource_group,
+                                                                              server_name=self.server_name,
+                                                                              configuration_name=self.name,
+                                                                              source='system-default')
+        except CloudError as e:
+            self.log('Error attempting to delete the Configuration instance.')
+            self.fail("Error deleting the Configuration instance: {0}".format(str(e)))
+
+        return True
+
+    def get_configuration(self):
+        self.log("Checking if the Configuration instance {0} is present".format(self.name))
+        found = False
+        try:
+            response = self.postgresql_client.configurations.get(resource_group_name=self.resource_group,
+                                                                 server_name=self.server_name,
+                                                                 configuration_name=self.name)
+            found = True
+            self.log("Response : {0}".format(response))
+            self.log("Configuration instance : {0} found".format(response.name))
+        except CloudError as e:
+            self.log('Did not find the Configuration instance.')
+        if found is True:
+            return response.as_dict()
+
+        return False
+
+
+def main():
+    """Main execution"""
+    AzureRMConfigurations()
+
+
+if __name__ == '__main__':
+    main()

test/integration/targets/azure_rm_postgresqlserver/tasks/main.yml

@@ -170,42 +170,6 @@
       - output.servers[1]['user_visible_state'] != None
       - output.servers[1]['fully_qualified_domain_name'] != None
 
-#
-# azure_rm_postgresqlconfiguration_facts tests below
-#
-- name: Gather facts PostgreSQL Configuration
-  azure_rm_postgresqlconfiguration_facts:
-    resource_group: "{{ resource_group }}"
-    server_name: postgresqlsrv{{ rpfx }}
-    name: deadlock_timeout
-  register: output
-- name: Assert that facts are returned
-  assert:
-    that:
-      - output.changed == False
-      - output.settings[0].id != None
-      - output.settings[0].name != None
-      - output.settings[0].value != None
-      - output.settings[0].description != None
-      - output.settings[0].source != None
-      - output.settings | length == 1
-
-- name: Gather facts PostgreSQL Configuration
-  azure_rm_postgresqlconfiguration_facts:
-    resource_group: "{{ resource_group }}"
-    server_name: postgresqlsrv{{ rpfx }}
-  register: output
-- name: Get all settings
-  assert:
-    that:
-      - output.changed == False
-      - output.settings[0].id != None
-      - output.settings[0].name != None
-      - output.settings[0].value != None
-      - output.settings[0].description != None
-      - output.settings[0].source != None
-      - output.settings | length > 1
-
 #
 # azure_rm_postgresqldatabase tests below
 #
@@ -502,6 +466,103 @@
       - output.changed == False
       - "output.rules | length == 0"
 
+#
+# azure_rm_postgresql_configuration
+#
+- name: Create instance of Configuration -- check mode
+  azure_rm_postgresqlconfiguration:
+    resource_group: "{{ resource_group }}"
+    server_name: postgresqlsrv{{ rpfx }}
+    name: deadlock_timeout
+    value: 2000
+  check_mode: yes
+  register: output
+- name: Assert that change was registered
+  assert:
+    that:
+      - output.changed
+
+- name: Try to change default configuration
+  azure_rm_postgresqlconfiguration:
+    resource_group: "{{ resource_group }}"
+    server_name: postgresqlsrv{{ rpfx }}
+    name: deadlock_timeout
+    value: 2000
+  register: output
+- name: Assert that change was registered
+  assert:
+    that:
+      - output.changed
+
+- name: Try to change default configuration -- idempotent
+  azure_rm_postgresqlconfiguration:
+    resource_group: "{{ resource_group }}"
+    server_name: postgresqlsrv{{ rpfx }}
+    name: deadlock_timeout
+    value: 2000
+  register: output
+- name: Assert that change was not registered
+  assert:
+    that:
+      - not output.changed
+
+- name: Try to reset configuration
+  azure_rm_postgresqlconfiguration:
+    resource_group: "{{ resource_group }}"
+    server_name: postgresqlsrv{{ rpfx }}
+    name: deadlock_timeout
+    state: absent
+  register: output
+- name: Assert that change was registered
+  assert:
+    that:
+      - output.changed
+
+- name: Try to reset configuration -- idempotent
+  azure_rm_postgresqlconfiguration:
+    resource_group: "{{ resource_group }}"
+    server_name: postgresqlsrv{{ rpfx }}
+    name: deadlock_timeout
+    state: absent
+  register: output
+- name: Assert that change was registered
+  assert:
+    that:
+      - not output.changed
+
+- name: Gather facts PostgreSQL Configuration
+  azure_rm_postgresqlconfiguration_facts:
+    resource_group: "{{ resource_group }}"
+    server_name: postgresqlsrv{{ rpfx }}
+    name: deadlock_timeout
+  register: output
+- name: Assert that facts are returned
+  assert:
+    that:
+      - output.changed == False
+      - output.settings[0].id != None
+      - output.settings[0].name != None
+      - output.settings[0].value != None
+      - output.settings[0].description != None
+      - output.settings[0].source != None
+      - output.settings | length == 1
+
+- name: Gather facts PostgreSQL Configuration
+  azure_rm_postgresqlconfiguration_facts:
+    resource_group: "{{ resource_group }}"
+    server_name: postgresqlsrv{{ rpfx }}
+  register: output
+- name: Assert that facts are returned
+  assert:
+    that:
+      - output.changed == False
+      - output.settings[0].id != None
+      - output.settings[0].name != None
+      - output.settings[0].value != None
+      - output.settings[0].description != None
+      - output.settings[0].source != None
+      - output.settings | length > 1
+
 #
 # azure_rm_postgresqlserver continuation / clean up
 #
@@ -545,8 +606,5 @@
     resource_group: "{{ resource_group }}"
     name: postgresqlsrv{{ rpfx }}second
     state: absent
-  register: output
-- name: Assert the state has changed
-  assert:
-    that:
-      - output.changed
+  async: 400
+  poll: 0