Adding support for GCP Spanner Instances

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

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+#!/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_spanner_instance
+description:
+    - An isolated set of Cloud Spanner resources on which databases can be hosted.
+short_description: Creates a GCP Instance
+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'
+    name:
+        description:
+            - A unique identifier for the instance, which cannot be changed after the instance
+              is created. Values are of the form projects/<project>/instances/[a-z][-a-z0-9]*[a-z0-9].
+              The final segment of the name must be between 6 and 30 characters in length.
+        required: false
+    config:
+        description:
+            - A reference to the instance configuration.
+        required: false
+    display_name:
+        description:
+            - The descriptive name for this instance as it appears in UIs. Must be unique per
+              project and between 4 and 30 characters in length.
+        required: true
+    node_count:
+        description:
+            - The number of nodes allocated to this instance.
+        required: false
+    labels:
+        description:
+            - Cloud Labels are a flexible and lightweight mechanism for organizing cloud resources
+              into groups that reflect a customer's organizational needs and deployment strategies.
+              Cloud Labels can be used to filter collections of resources. They can be used to
+              control how resource metrics are aggregated. And they can be used as arguments to
+              policy management rules (e.g. route, firewall, load balancing, etc.).
+            - 'Label keys must be between 1 and 63 characters long and must conform to the following
+              regular expression: `[a-z]([-a-z0-9]*[a-z0-9])?`.'
+            - Label values must be between 0 and 63 characters long and must conform to the regular
+              expression `([a-z]([-a-z0-9]*[a-z0-9])?)?`.
+            - No more than 64 labels can be associated with a given resource.
+            - See U(https://goo.gl/xmQnxf) for more information on and examples of labels.
+            - 'If you plan to use labels in your own code, please note that additional characters
+              may be allowed in the future. And so you are advised to use an internal label representation,
+              such as JSON, which doesn''t rely upon specific characters being disallowed. For
+              example, representing labels as the string: name + "_" + value would prove problematic
+              if we were to allow "_" in a future release.'
+            - 'An object containing a list of "key": value pairs.'
+            - 'Example: { "name": "wrench", "mass": "1.3kg", "count": "3" }.'
+        required: false
+extends_documentation_fragment: gcp
+'''
+
+EXAMPLES = '''
+- name: create a instance
+  gcp_spanner_instance:
+      name: "test_object"
+      display_name: My Spanner Instance
+      node_count: 2
+      labels:
+        cost_center: ti-1700004
+      config: regional-us-central1
+      project: "test_project"
+      auth_kind: "service_account"
+      service_account_file: "/tmp/auth.pem"
+      state: present
+'''
+
+RETURN = '''
+    name:
+        description:
+            - A unique identifier for the instance, which cannot be changed after the instance
+              is created. Values are of the form projects/<project>/instances/[a-z][-a-z0-9]*[a-z0-9].
+              The final segment of the name must be between 6 and 30 characters in length.
+        returned: success
+        type: str
+    config:
+        description:
+            - A reference to the instance configuration.
+        returned: success
+        type: str
+    display_name:
+        description:
+            - The descriptive name for this instance as it appears in UIs. Must be unique per
+              project and between 4 and 30 characters in length.
+        returned: success
+        type: str
+    node_count:
+        description:
+            - The number of nodes allocated to this instance.
+        returned: success
+        type: int
+    labels:
+        description:
+            - Cloud Labels are a flexible and lightweight mechanism for organizing cloud resources
+              into groups that reflect a customer's organizational needs and deployment strategies.
+              Cloud Labels can be used to filter collections of resources. They can be used to
+              control how resource metrics are aggregated. And they can be used as arguments to
+              policy management rules (e.g. route, firewall, load balancing, etc.).
+            - 'Label keys must be between 1 and 63 characters long and must conform to the following
+              regular expression: `[a-z]([-a-z0-9]*[a-z0-9])?`.'
+            - Label values must be between 0 and 63 characters long and must conform to the regular
+              expression `([a-z]([-a-z0-9]*[a-z0-9])?)?`.
+            - No more than 64 labels can be associated with a given resource.
+            - See U(https://goo.gl/xmQnxf) for more information on and examples of labels.
+            - 'If you plan to use labels in your own code, please note that additional characters
+              may be allowed in the future. And so you are advised to use an internal label representation,
+              such as JSON, which doesn''t rely upon specific characters being disallowed. For
+              example, representing labels as the string: name + "_" + value would prove problematic
+              if we were to allow "_" in a future release.'
+            - 'An object containing a list of "key": value pairs.'
+            - 'Example: { "name": "wrench", "mass": "1.3kg", "count": "3" }.'
+        returned: success
+        type: dict
+'''
+
+################################################################################
+# Imports
+################################################################################
+
+from ansible.module_utils.gcp_utils import navigate_hash, GcpSession, GcpModule, GcpRequest, replace_resource_dict
+import json
+
+################################################################################
+# Main
+################################################################################
+
+
+def main():
+    """Main function"""
+
+    module = GcpModule(
+        argument_spec=dict(
+            state=dict(default='present', choices=['present', 'absent'], type='str'),
+            name=dict(type='str'),
+            config=dict(type='str'),
+            display_name=dict(required=True, type='str'),
+            node_count=dict(type='int'),
+            labels=dict(type='dict')
+        )
+    )
+
+    if not module.params['scopes']:
+        module.params['scopes'] = ['https://www.googleapis.com/auth/spanner.admin']
+
+    state = module.params['state']
+
+    fetch = fetch_resource(module, self_link(module))
+    changed = False
+
+    if fetch:
+        if state == 'present':
+            if is_different(module, fetch):
+                fetch = update(module, self_link(module))
+                changed = True
+        else:
+            delete(module, self_link(module))
+            fetch = {}
+            changed = True
+    else:
+        if state == 'present':
+            fetch = create(module, collection(module))
+            changed = True
+        else:
+            fetch = {}
+
+    fetch.update({'changed': changed})
+
+    module.exit_json(**fetch)
+
+
+def create(module, link):
+    auth = GcpSession(module, 'spanner')
+    return return_if_object(module, auth.post(link, resource_to_create(module)))
+
+
+def update(module, link):
+    auth = GcpSession(module, 'spanner')
+    return return_if_object(module, auth.patch(link, resource_to_update(module)))
+
+
+def delete(module, link):
+    auth = GcpSession(module, 'spanner')
+    return return_if_object(module, auth.delete(link))
+
+
+def resource_to_request(module):
+    request = {
+        u'name': module.params.get('name'),
+        u'config': module.params.get('config'),
+        u'displayName': module.params.get('display_name'),
+        u'nodeCount': module.params.get('node_count'),
+        u'labels': module.params.get('labels')
+    }
+    return_vals = {}
+    for k, v in request.items():
+        if v:
+            return_vals[k] = v
+
+    return return_vals
+
+
+def fetch_resource(module, link):
+    auth = GcpSession(module, 'spanner')
+    return return_if_object(module, auth.get(link))
+
+
+def self_link(module):
+    return "https://spanner.googleapis.com/v1/projects/{project}/instances/{name}".format(**module.params)
+
+
+def collection(module):
+    return "https://spanner.googleapis.com/v1/projects/{project}/instances".format(**module.params)
+
+
+def return_if_object(module, response):
+    # If not found, return nothing.
+    if response.status_code == 404:
+        return None
+
+    # If no content, return nothing.
+    if response.status_code == 204:
+        return None
+
+    try:
+        module.raise_for_status(response)
+        result = response.json()
+    except getattr(json.decoder, 'JSONDecodeError', ValueError) as inst:
+        module.fail_json(msg="Invalid JSON response with error: %s" % inst)
+
+    result = decode_response(result, module)
+
+    if navigate_hash(result, ['error', 'errors']):
+        module.fail_json(msg=navigate_hash(result, ['error', 'errors']))
+
+    return result
+
+
+def is_different(module, response):
+    request = resource_to_request(module)
+    response = response_to_hash(module, response)
+    request = decode_response(request, module)
+
+    # 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'name': response.get(u'name'),
+        u'config': response.get(u'config'),
+        u'displayName': response.get(u'displayName'),
+        u'nodeCount': response.get(u'nodeCount'),
+        u'labels': response.get(u'labels')
+    }
+
+
+def resource_to_create(module):
+    instance = resource_to_request(module)
+    instance['name'] = "projects/{0}/instances/{1}".format(module.params['project'],
+                                                           module.params['name'])
+    instance['config'] = "projects/{0}/instanceConfigs/{1}".format(module.params['project'],
+                                                                   instance['config'])
+    return {
+        'instanceId': module.params['name'],
+        'instance': instance
+    }
+
+
+def resource_to_update(module):
+    instance = resource_to_request(module)
+    instance['name'] = "projects/{0}/instances/{1}".format(module.params['project'],
+                                                           module.params['name'])
+    instance['config'] = "projects/{0}/instanceConfigs/{1}".format(module.params['project'],
+                                                                   instance['config'])
+    return {
+        'instance': instance,
+        'fieldMask': "'name' ,'config' ,'displayName' ,'nodeCount' ,'labels'"
+    }
+
+
+def decode_response(response, module):
+    if not response:
+        return response
+
+    if '/operations/' in response['name']:
+        return response
+
+    response['name'] = response['name'].split('/')[-1]
+    response['config'] = response['config'].split('/')[-1]
+    return response
+
+
+if __name__ == '__main__':
+    main()

test/integration/targets/gcp_spanner_instance/aliases

@@ -0,0 +1,2 @@
+cloud/gcp
+unsupported

test/integration/targets/gcp_spanner_instance/defaults/main.yml

@@ -0,0 +1,3 @@
+---
+# defaults file
+resource_name: '{{resource_prefix}}'