Adding support for GCP Sql Users

lib/ansible/module_utils/gcp_utils.py

@@ -95,6 +95,13 @@ def put(self, url, body=None):
         except getattr(requests.exceptions, 'RequestException') as inst:
             self.module.fail_json(msg=inst.message)
 
+    def patch(self, url, body=None, **kwargs):
+        kwargs.update({'json': body, 'headers': self._headers()})
+        try:
+            return self.session().patch(url, **kwargs)
+        except getattr(requests.exceptions, 'RequestException') as inst:
+            self.module.fail_json(msg=inst.message)
+
     def session(self):
         return AuthorizedSession(
             self._credentials().with_scopes(self.module.params['scopes']))
@@ -106,9 +113,6 @@ def _validate(self):
         if not HAS_GOOGLE_LIBRARIES:
             self.module.fail_json(msg="Please install the google-auth library")
 
-        if 'auth_kind' not in self.module.params:
-            self.module.fail_json(msg="Auth kind parameter is missing")
-
         if self.module.params.get('service_account_email') is not None and self.module.params['auth_kind'] != 'machineaccount':
             self.module.fail_json(
                 msg="Service Acccount Email only works with Machine Account-based authentication"

lib/ansible/modules/cloud/google/gcp_sql_user.py

@@ -0,0 +1,364 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017 Google
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+# ----------------------------------------------------------------------------
+#
+#     ***     AUTO GENERATED CODE    ***    AUTO GENERATED CODE     ***
+#
+# ----------------------------------------------------------------------------
+#
+#     This file is automatically generated by Magic Modules and manual
+#     changes will be clobbered when the file is regenerated.
+#
+#     Please read more about how to change this file at
+#     https://www.github.com/GoogleCloudPlatform/magic-modules
+#
+# ----------------------------------------------------------------------------
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+################################################################################
+# Documentation
+################################################################################
+
+ANSIBLE_METADATA = {'metadata_version': '1.1',
+                    'status': ["preview"],
+                    'supported_by': 'community'}
+
+DOCUMENTATION = '''
+---
+module: gcp_sql_user
+description:
+    - The Users resource represents a database user in a Cloud SQL instance.
+short_description: Creates a GCP User
+version_added: 2.7
+author: Google Inc. (@googlecloudplatform)
+requirements:
+    - python >= 2.6
+    - requests >= 2.18.4
+    - google-auth >= 1.3.0
+options:
+    state:
+        description:
+            - Whether the given object should exist in GCP
+        choices: ['present', 'absent']
+        default: 'present'
+    host:
+        description:
+            - The host name from which the user can connect. For insert operations, host defaults
+              to an empty string. For update operations, host is specified as part of the request
+              URL. The host name cannot be updated after insertion.
+        required: true
+    name:
+        description:
+            - The name of the user in the Cloud SQL instance.
+        required: true
+    instance:
+        description:
+            - The name of the Cloud SQL instance. This does not include the project ID.
+        required: true
+    password:
+        description:
+            - The password for the user.
+        required: false
+extends_documentation_fragment: gcp
+'''
+
+EXAMPLES = '''
+- name: create a instance
+  gcp_sql_instance:
+      name: "instance-user"
+      settings:
+        ip_configuration:
+          authorized_networks:
+          - name: google dns server
+            value: 8.8.8.8/32
+        tier: db-n1-standard-1
+      region: us-central1
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      state: present
+  register: instance
+
+- name: create a user
+  gcp_sql_user:
+      name: test-user
+      host: 10.1.2.3
+      password: secret-password
+      instance: "{{ instance }}"
+      project: "test_project"
+      auth_kind: "service_account"
+      service_account_file: "/tmp/auth.pem"
+      state: present
+'''
+
+RETURN = '''
+    host:
+        description:
+            - The host name from which the user can connect. For insert operations, host defaults
+              to an empty string. For update operations, host is specified as part of the request
+              URL. The host name cannot be updated after insertion.
+        returned: success
+        type: str
+    name:
+        description:
+            - The name of the user in the Cloud SQL instance.
+        returned: success
+        type: str
+    instance:
+        description:
+            - The name of the Cloud SQL instance. This does not include the project ID.
+        returned: success
+        type: dict
+    password:
+        description:
+            - The password for the user.
+        returned: success
+        type: str
+'''
+
+################################################################################
+# Imports
+################################################################################
+
+from ansible.module_utils.gcp_utils import navigate_hash, GcpSession, GcpModule, GcpRequest, replace_resource_dict
+import json
+import time
+
+################################################################################
+# Main
+################################################################################
+
+
+def main():
+    """Main function"""
+
+    module = GcpModule(
+        argument_spec=dict(
+            state=dict(default='present', choices=['present', 'absent'], type='str'),
+            host=dict(required=True, type='str'),
+            name=dict(required=True, type='str'),
+            instance=dict(required=True, type='dict'),
+            password=dict(type='str')
+        )
+    )
+
+    if not module.params['scopes']:
+        module.params['scopes'] = ['https://www.googleapis.com/auth/sqlservice.admin']
+
+    state = module.params['state']
+    kind = 'sql#user'
+
+    fetch = fetch_wrapped_resource(module, 'sql#user',
+                                   'sql#usersList',
+                                   'items')
+    changed = False
+
+    if fetch:
+        if state == 'present':
+            if is_different(module, fetch):
+                fetch = update(module, self_link(module), kind)
+                changed = True
+        else:
+            delete(module, self_link(module), kind)
+            fetch = {}
+            changed = True
+    else:
+        if state == 'present':
+            fetch = create(module, collection(module), kind)
+            changed = True
+        else:
+            fetch = {}
+
+    fetch.update({'changed': changed})
+
+    module.exit_json(**fetch)
+
+
+def create(module, link, kind):
+    auth = GcpSession(module, 'sql')
+    return wait_for_operation(module, auth.post(link, resource_to_request(module)))
+
+
+def update(module, link, kind):
+    auth = GcpSession(module, 'sql')
+    return wait_for_operation(module, auth.put(link, resource_to_request(module)))
+
+
+def delete(module, link, kind):
+    auth = GcpSession(module, 'sql')
+    return wait_for_operation(module, auth.delete(link))
+
+
+def resource_to_request(module):
+    request = {
+        u'kind': 'sql#user',
+        u'password': module.params.get('password'),
+        u'host': module.params.get('host'),
+        u'name': module.params.get('name')
+    }
+    return_vals = {}
+    for k, v in request.items():
+        if v:
+            return_vals[k] = v
+
+    return return_vals
+
+
+def unwrap_resource_filter(module):
+    return {
+        'host': module.params['host'],
+        'name': module.params['name']
+    }
+
+
+def unwrap_resource(result, module):
+    query_predicate = unwrap_resource_filter(module)
+    matched_items = []
+    for item in result:
+        if all(item[k] == query_predicate[k] for k in query_predicate.keys()):
+            matched_items.append(item)
+    if len(matched_items) > 1:
+        module.fail_json(msg="More than 1 result found: %s" % matched_items)
+
+    if matched_items:
+        return matched_items[0]
+    else:
+        return None
+
+
+def fetch_resource(module, link, kind):
+    auth = GcpSession(module, 'sql')
+    return return_if_object(module, auth.get(link), kind)
+
+
+def fetch_wrapped_resource(module, kind, wrap_kind, wrap_path):
+    result = fetch_resource(module, self_link(module), wrap_kind)
+    if result is None or wrap_path not in result:
+        return None
+
+    result = unwrap_resource(result[wrap_path], module)
+
+    if result is None:
+        return None
+
+    if result['kind'] != kind:
+        module.fail_json(msg="Incorrect result: {kind}".format(**result))
+
+    return result
+
+
+def self_link(module):
+    res = {
+        'project': module.params['project'],
+        'instance': replace_resource_dict(module.params['instance'], 'name'),
+        'name': module.params['name'],
+        'host': module.params['host']
+    }
+    return "https://www.googleapis.com/sql/v1beta4/projects/{project}/instances/{instance}/users?name={name}&host={host}".format(**res)
+
+
+def collection(module):
+    res = {
+        'project': module.params['project'],
+        'instance': replace_resource_dict(module.params['instance'], 'name')
+    }
+    return "https://www.googleapis.com/sql/v1beta4/projects/{project}/instances/{instance}/users".format(**res)
+
+
+def return_if_object(module, response, kind):
+    # If not found, return nothing.
+    if response.status_code == 404:
+        return None
+
+    # If no content, return nothing.
+    if response.status_code == 204:
+        return None
+
+    # SQL only: return on 403 if not exist
+    if response.status_code == 403:
+        return None
+
+    try:
+        result = response.json()
+    except getattr(json.decoder, 'JSONDecodeError', ValueError) as inst:
+        module.fail_json(msg="Invalid JSON response with error: %s" % inst)
+
+    if navigate_hash(result, ['error', 'errors']):
+        module.fail_json(msg=navigate_hash(result, ['error', 'errors']))
+    if result['kind'] != kind:
+        module.fail_json(msg="Incorrect result: {kind}".format(**result))
+
+    return result
+
+
+def is_different(module, response):
+    request = resource_to_request(module)
+    response = response_to_hash(module, response)
+
+    # Remove all output-only from response.
+    response_vals = {}
+    for k, v in response.items():
+        if k in request:
+            response_vals[k] = v
+
+    request_vals = {}
+    for k, v in request.items():
+        if k in response:
+            request_vals[k] = v
+
+    return GcpRequest(request_vals) != GcpRequest(response_vals)
+
+
+# Remove unnecessary properties from the response.
+# This is for doing comparisons with Ansible's current parameters.
+def response_to_hash(module, response):
+    return {
+        u'host': response.get(u'host'),
+        u'name': response.get(u'name')
+    }
+
+
+def async_op_url(module, extra_data=None):
+    if extra_data is None:
+        extra_data = {}
+    url = "https://www.googleapis.com/sql/v1beta4/projects/{project}/operations/{op_id}"
+    combined = extra_data.copy()
+    combined.update(module.params)
+    return url.format(**combined)
+
+
+def wait_for_operation(module, response):
+    op_result = return_if_object(module, response, 'sql#operation')
+    if op_result is None:
+        return {}
+    status = navigate_hash(op_result, ['status'])
+    wait_for_completion(status, op_result, module)
+    return fetch_wrapped_resource(module, 'sql#user', 'sql#usersList', 'items')
+
+
+def wait_for_completion(status, op_result, module):
+    op_id = navigate_hash(op_result, ['name'])
+    op_uri = async_op_url(module, {'op_id': op_id})
+    while status != 'DONE':
+        raise_if_errors(op_result, ['error', 'errors'], 'message')
+        time.sleep(1.0)
+        if status not in ['PENDING', 'RUNNING', 'DONE']:
+            module.fail_json(msg="Invalid result %s" % status)
+        op_result = fetch_resource(module, op_uri, 'sql#operation')
+        status = navigate_hash(op_result, ['status'])
+    return op_result
+
+
+def raise_if_errors(response, err_path, module):
+    errors = navigate_hash(response, err_path)
+    if errors is not None:
+        module.fail_json(msg=errors)
+
+
+if __name__ == '__main__':
+    main()