New module: GCP Compute Backend Services (#38611)

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

@@ -0,0 +1,856 @@
+#!/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_compute_backend_service
+description:
+    - Creates a BackendService resource in the specified project using the data included
+      in the request.
+short_description: Creates a GCP BackendService
+version_added: 2.6
+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'
+    affinity_cookie_ttl_sec:
+        description:
+            - Lifetime of cookies in seconds if session_affinity is GENERATED_COOKIE. If set to
+              0, the cookie is non-persistent and lasts only until the end of the browser session
+              (or equivalent). The maximum allowed value for TTL is one day.
+            - When the load balancing scheme is INTERNAL, this field is not used.
+        required: false
+    backends:
+        description:
+            - The list of backends that serve this BackendService.
+        required: false
+        suboptions:
+            balancing_mode:
+                description:
+                    - Specifies the balancing mode for this backend.
+                    - For global HTTP(S) or TCP/SSL load balancing, the default is UTILIZATION. Valid
+                      values are UTILIZATION, RATE (for HTTP(S)) and CONNECTION (for TCP/SSL).
+                    - This cannot be used for internal load balancing.
+                required: false
+                choices: ['UTILIZATION', 'RATE', 'CONNECTION']
+            capacity_scaler:
+                description:
+                    - A multiplier applied to the group's maximum servicing capacity (based on UTILIZATION,
+                      RATE or CONNECTION).
+                    - Default value is 1, which means the group will serve up to 100% of its configured
+                      capacity (depending on balancingMode). A setting of 0 means the group is completely
+                      drained, offering 0% of its available Capacity. Valid range is [0.0,1.0].
+                    - This cannot be used for internal load balancing.
+                required: false
+            description:
+                description:
+                    - An optional description of this resource.
+                    - Provide this property when you create the resource.
+                required: false
+            group:
+                description:
+                    - A reference to InstanceGroup resource.
+                required: false
+            max_connections:
+                description:
+                    - The max number of simultaneous connections for the group. Can be used with either
+                      CONNECTION or UTILIZATION balancing modes.
+                    - For CONNECTION mode, either maxConnections or maxConnectionsPerInstance must be
+                      set.
+                    - This cannot be used for internal load balancing.
+                required: false
+            max_connections_per_instance:
+                description:
+                    - The max number of simultaneous connections that a single backend instance can handle.
+                      This is used to calculate the capacity of the group. Can be used in either CONNECTION
+                      or UTILIZATION balancing modes.
+                    - For CONNECTION mode, either maxConnections or maxConnectionsPerInstance must be
+                      set.
+                    - This cannot be used for internal load balancing.
+                required: false
+            max_rate:
+                description:
+                    - The max requests per second (RPS) of the group.
+                    - Can be used with either RATE or UTILIZATION balancing modes, but required if RATE
+                      mode. For RATE mode, either maxRate or maxRatePerInstance must be set.
+                    - This cannot be used for internal load balancing.
+                required: false
+            max_rate_per_instance:
+                description:
+                    - The max requests per second (RPS) that a single backend instance can handle. This
+                      is used to calculate the capacity of the group. Can be used in either balancing
+                      mode. For RATE mode, either maxRate or maxRatePerInstance must be set.
+                    - This cannot be used for internal load balancing.
+                required: false
+            max_utilization:
+                description:
+                    - Used when balancingMode is UTILIZATION. This ratio defines the CPU utilization target
+                      for the group. The default is 0.8. Valid range is [0.0, 1.0].
+                    - This cannot be used for internal load balancing.
+                required: false
+    cdn_policy:
+        description:
+            - Cloud CDN configuration for this BackendService.
+        required: false
+        suboptions:
+            cache_key_policy:
+                description:
+                    - The CacheKeyPolicy for this CdnPolicy.
+                required: false
+                suboptions:
+                    include_host:
+                        description:
+                            - If true requests to different hosts will be cached separately.
+                        required: false
+                        type: bool
+                    include_protocol:
+                        description:
+                            - If true, http and https requests will be cached separately.
+                        required: false
+                        type: bool
+                    include_query_string:
+                        description:
+                            - If true, include query string parameters in the cache key according to query_string_whitelist
+                              and query_string_blacklist. If neither is set, the entire query string will be included.
+                            - If false, the query string will be excluded from the cache key entirely.
+                        required: false
+                        type: bool
+                    query_string_blacklist:
+                        description:
+                            - Names of query string parameters to exclude in cache keys.
+                            - All other parameters will be included. Either specify query_string_whitelist or
+                              query_string_blacklist, not both.
+                            - "'&' and '=' will be percent encoded and not treated as delimiters."
+                        required: false
+                    query_string_whitelist:
+                        description:
+                            - Names of query string parameters to include in cache keys.
+                            - All other parameters will be excluded. Either specify query_string_whitelist or
+                              query_string_blacklist, not both.
+                            - "'&' and '=' will be percent encoded and not treated as delimiters."
+                        required: false
+    connection_draining:
+        description:
+            - Settings for connection draining.
+        required: false
+        suboptions:
+            draining_timeout_sec:
+                description:
+                    - Time for which instance will be drained (not accept new connections, but still work
+                      to finish started).
+                required: false
+    description:
+        description:
+            - An optional description of this resource.
+        required: false
+    enable_cdn:
+        description:
+            - If true, enable Cloud CDN for this BackendService.
+            - When the load balancing scheme is INTERNAL, this field is not used.
+        required: false
+        type: bool
+    health_checks:
+        description:
+            - The list of URLs to the HttpHealthCheck or HttpsHealthCheck resource for health
+              checking this BackendService. Currently at most one health check can be specified,
+              and a health check is required.
+            - For internal load balancing, a URL to a HealthCheck resource must be specified instead.
+        required: false
+    name:
+        description:
+            - Name of the resource. Provided by the client when the resource is created. The name
+              must be 1-63 characters long, and comply with RFC1035. Specifically, the name must
+              be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?`
+              which means the first character must be a lowercase letter, and all following characters
+              must be a dash, lowercase letter, or digit, except the last character, which cannot
+              be a dash.
+        required: false
+    port_name:
+        description:
+            - Name of backend port. The same name should appear in the instance groups referenced
+              by this service. Required when the load balancing scheme is EXTERNAL.
+            - When the load balancing scheme is INTERNAL, this field is not used.
+        required: false
+    protocol:
+        description:
+            - The protocol this BackendService uses to communicate with backends.
+            - Possible values are HTTP, HTTPS, TCP, and SSL. The default is HTTP.
+            - For internal load balancing, the possible values are TCP and UDP, and the default
+              is TCP.
+        required: false
+        choices: ['HTTP', 'HTTPS', 'TCP', 'SSL']
+    region:
+        description:
+            - A reference to Region resource.
+        required: false
+    session_affinity:
+        description:
+            - Type of session affinity to use. The default is NONE.
+            - When the load balancing scheme is EXTERNAL, can be NONE, CLIENT_IP, or GENERATED_COOKIE.
+            - When the load balancing scheme is INTERNAL, can be NONE, CLIENT_IP, CLIENT_IP_PROTO,
+              or CLIENT_IP_PORT_PROTO.
+            - When the protocol is UDP, this field is not used.
+        required: false
+        choices: ['NONE', 'CLIENT_IP', 'GENERATED_COOKIE', 'CLIENT_IP_PROTO', 'CLIENT_IP_PORT_PROTO']
+    timeout_sec:
+        description:
+            - How many seconds to wait for the backend before considering it a failed request.
+              Default is 30 seconds. Valid range is [1, 86400].
+        required: false
+        aliases: [timeout_seconds]
+extends_documentation_fragment: gcp
+'''
+
+EXAMPLES = '''
+- name: create a instance group
+  gcp_compute_instance_group:
+      name: 'instancegroup-backendservice'
+      zone: 'us-central1-a'
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: present
+  register: instancegroup
+- name: create a http health check
+  gcp_compute_http_health_check:
+      name: 'httphealthcheck-backendservice'
+      healthy_threshold: 10
+      port: 8080
+      timeout_sec: 2
+      unhealthy_threshold: 5
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: present
+  register: healthcheck
+- name: create a backend service
+  gcp_compute_backend_service:
+      name: testObject
+      backends:
+        - group: "{{ instancegroup }}"
+      health_checks:
+        - "{{ healthcheck.selfLink }}"
+      enable_cdn: true
+      project: testProject
+      auth_kind: service_account
+      service_account_file: /tmp/auth.pem
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: present
+'''
+
+RETURN = '''
+    affinity_cookie_ttl_sec:
+        description:
+            - Lifetime of cookies in seconds if session_affinity is GENERATED_COOKIE. If set to
+              0, the cookie is non-persistent and lasts only until the end of the browser session
+              (or equivalent). The maximum allowed value for TTL is one day.
+            - When the load balancing scheme is INTERNAL, this field is not used.
+        returned: success
+        type: int
+    backends:
+        description:
+            - The list of backends that serve this BackendService.
+        returned: success
+        type: complex
+        contains:
+            balancing_mode:
+                description:
+                    - Specifies the balancing mode for this backend.
+                    - For global HTTP(S) or TCP/SSL load balancing, the default is UTILIZATION. Valid
+                      values are UTILIZATION, RATE (for HTTP(S)) and CONNECTION (for TCP/SSL).
+                    - This cannot be used for internal load balancing.
+                returned: success
+                type: str
+            capacity_scaler:
+                description:
+                    - A multiplier applied to the group's maximum servicing capacity (based on UTILIZATION,
+                      RATE or CONNECTION).
+                    - Default value is 1, which means the group will serve up to 100% of its configured
+                      capacity (depending on balancingMode). A setting of 0 means the group is completely
+                      drained, offering 0% of its available Capacity. Valid range is [0.0,1.0].
+                    - This cannot be used for internal load balancing.
+                returned: success
+                type: str
+            description:
+                description:
+                    - An optional description of this resource.
+                    - Provide this property when you create the resource.
+                returned: success
+                type: str
+            group:
+                description:
+                    - A reference to InstanceGroup resource.
+                returned: success
+                type: dict
+            max_connections:
+                description:
+                    - The max number of simultaneous connections for the group. Can be used with either
+                      CONNECTION or UTILIZATION balancing modes.
+                    - For CONNECTION mode, either maxConnections or maxConnectionsPerInstance must be
+                      set.
+                    - This cannot be used for internal load balancing.
+                returned: success
+                type: int
+            max_connections_per_instance:
+                description:
+                    - The max number of simultaneous connections that a single backend instance can handle.
+                      This is used to calculate the capacity of the group. Can be used in either CONNECTION
+                      or UTILIZATION balancing modes.
+                    - For CONNECTION mode, either maxConnections or maxConnectionsPerInstance must be
+                      set.
+                    - This cannot be used for internal load balancing.
+                returned: success
+                type: int
+            max_rate:
+                description:
+                    - The max requests per second (RPS) of the group.
+                    - Can be used with either RATE or UTILIZATION balancing modes, but required if RATE
+                      mode. For RATE mode, either maxRate or maxRatePerInstance must be set.
+                    - This cannot be used for internal load balancing.
+                returned: success
+                type: int
+            max_rate_per_instance:
+                description:
+                    - The max requests per second (RPS) that a single backend instance can handle. This
+                      is used to calculate the capacity of the group. Can be used in either balancing
+                      mode. For RATE mode, either maxRate or maxRatePerInstance must be set.
+                    - This cannot be used for internal load balancing.
+                returned: success
+                type: str
+            max_utilization:
+                description:
+                    - Used when balancingMode is UTILIZATION. This ratio defines the CPU utilization target
+                      for the group. The default is 0.8. Valid range is [0.0, 1.0].
+                    - This cannot be used for internal load balancing.
+                returned: success
+                type: str
+    cdn_policy:
+        description:
+            - Cloud CDN configuration for this BackendService.
+        returned: success
+        type: complex
+        contains:
+            cache_key_policy:
+                description:
+                    - The CacheKeyPolicy for this CdnPolicy.
+                returned: success
+                type: complex
+                contains:
+                    include_host:
+                        description:
+                            - If true requests to different hosts will be cached separately.
+                        returned: success
+                        type: bool
+                    include_protocol:
+                        description:
+                            - If true, http and https requests will be cached separately.
+                        returned: success
+                        type: bool
+                    include_query_string:
+                        description:
+                            - If true, include query string parameters in the cache key according to query_string_whitelist
+                              and query_string_blacklist. If neither is set, the entire query string will be included.
+                            - If false, the query string will be excluded from the cache key entirely.
+                        returned: success
+                        type: bool
+                    query_string_blacklist:
+                        description:
+                            - Names of query string parameters to exclude in cache keys.
+                            - All other parameters will be included. Either specify query_string_whitelist or
+                              query_string_blacklist, not both.
+                            - "'&' and '=' will be percent encoded and not treated as delimiters."
+                        returned: success
+                        type: list
+                    query_string_whitelist:
+                        description:
+                            - Names of query string parameters to include in cache keys.
+                            - All other parameters will be excluded. Either specify query_string_whitelist or
+                              query_string_blacklist, not both.
+                            - "'&' and '=' will be percent encoded and not treated as delimiters."
+                        returned: success
+                        type: list
+    connection_draining:
+        description:
+            - Settings for connection draining.
+        returned: success
+        type: complex
+        contains:
+            draining_timeout_sec:
+                description:
+                    - Time for which instance will be drained (not accept new connections, but still work
+                      to finish started).
+                returned: success
+                type: int
+    creation_timestamp:
+        description:
+            - Creation timestamp in RFC3339 text format.
+        returned: success
+        type: str
+    description:
+        description:
+            - An optional description of this resource.
+        returned: success
+        type: str
+    enable_cdn:
+        description:
+            - If true, enable Cloud CDN for this BackendService.
+            - When the load balancing scheme is INTERNAL, this field is not used.
+        returned: success
+        type: bool
+    health_checks:
+        description:
+            - The list of URLs to the HttpHealthCheck or HttpsHealthCheck resource for health
+              checking this BackendService. Currently at most one health check can be specified,
+              and a health check is required.
+            - For internal load balancing, a URL to a HealthCheck resource must be specified instead.
+        returned: success
+        type: list
+    id:
+        description:
+            - The unique identifier for the resource.
+        returned: success
+        type: int
+    name:
+        description:
+            - Name of the resource. Provided by the client when the resource is created. The name
+              must be 1-63 characters long, and comply with RFC1035. Specifically, the name must
+              be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?`
+              which means the first character must be a lowercase letter, and all following characters
+              must be a dash, lowercase letter, or digit, except the last character, which cannot
+              be a dash.
+        returned: success
+        type: str
+    port_name:
+        description:
+            - Name of backend port. The same name should appear in the instance groups referenced
+              by this service. Required when the load balancing scheme is EXTERNAL.
+            - When the load balancing scheme is INTERNAL, this field is not used.
+        returned: success
+        type: str
+    protocol:
+        description:
+            - The protocol this BackendService uses to communicate with backends.
+            - Possible values are HTTP, HTTPS, TCP, and SSL. The default is HTTP.
+            - For internal load balancing, the possible values are TCP and UDP, and the default
+              is TCP.
+        returned: success
+        type: str
+    region:
+        description:
+            - A reference to Region resource.
+        returned: success
+        type: str
+    session_affinity:
+        description:
+            - Type of session affinity to use. The default is NONE.
+            - When the load balancing scheme is EXTERNAL, can be NONE, CLIENT_IP, or GENERATED_COOKIE.
+            - When the load balancing scheme is INTERNAL, can be NONE, CLIENT_IP, CLIENT_IP_PROTO,
+              or CLIENT_IP_PORT_PROTO.
+            - When the protocol is UDP, this field is not used.
+        returned: success
+        type: str
+    timeout_sec:
+        description:
+            - How many seconds to wait for the backend before considering it a failed request.
+              Default is 30 seconds. Valid range is [1, 86400].
+        returned: success
+        type: int
+'''
+
+################################################################################
+# Imports
+################################################################################
+
+from ansible.module_utils.gcp_utils import navigate_hash, GcpSession, GcpModule, GcpRequest, remove_nones_from_dict, replace_resource_dict
+import json
+import re
+import time
+
+################################################################################
+# Main
+################################################################################
+
+
+def main():
+    """Main function"""
+
+    module = GcpModule(
+        argument_spec=dict(
+            state=dict(default='present', choices=['present', 'absent'], type='str'),
+            affinity_cookie_ttl_sec=dict(type='int'),
+            backends=dict(type='list', elements='dict', options=dict(
+                balancing_mode=dict(type='str', choices=['UTILIZATION', 'RATE', 'CONNECTION']),
+                capacity_scaler=dict(type='str'),
+                description=dict(type='str'),
+                group=dict(type='dict'),
+                max_connections=dict(type='int'),
+                max_connections_per_instance=dict(type='int'),
+                max_rate=dict(type='int'),
+                max_rate_per_instance=dict(type='str'),
+                max_utilization=dict(type='str')
+            )),
+            cdn_policy=dict(type='dict', options=dict(
+                cache_key_policy=dict(type='dict', options=dict(
+                    include_host=dict(type='bool'),
+                    include_protocol=dict(type='bool'),
+                    include_query_string=dict(type='bool'),
+                    query_string_blacklist=dict(type='list', elements='str'),
+                    query_string_whitelist=dict(type='list', elements='str')
+                ))
+            )),
+            connection_draining=dict(type='dict', options=dict(
+                draining_timeout_sec=dict(type='int')
+            )),
+            description=dict(type='str'),
+            enable_cdn=dict(type='bool'),
+            health_checks=dict(type='list', elements='str'),
+            name=dict(type='str'),
+            port_name=dict(type='str'),
+            protocol=dict(type='str', choices=['HTTP', 'HTTPS', 'TCP', 'SSL']),
+            region=dict(type='str'),
+            session_affinity=dict(type='str', choices=['NONE', 'CLIENT_IP', 'GENERATED_COOKIE', 'CLIENT_IP_PROTO', 'CLIENT_IP_PORT_PROTO']),
+            timeout_sec=dict(type='int', aliases=['timeout_seconds'])
+        )
+    )
+
+    state = module.params['state']
+    kind = 'compute#backendService'
+
+    fetch = fetch_resource(module, self_link(module), kind)
+    changed = False
+
+    if fetch:
+        if state == 'present':
+            if is_different(module, fetch):
+                fetch = update(module, self_link(module), kind, fetch)
+                changed = True
+        else:
+            delete(module, self_link(module), kind, fetch)
+            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, 'compute')
+    return wait_for_operation(module, auth.post(link, resource_to_request(module)))
+
+
+def update(module, link, kind, fetch):
+    auth = GcpSession(module, 'compute')
+    return wait_for_operation(module, auth.put(link, resource_to_request(module)))
+
+
+def delete(module, link, kind, fetch):
+    auth = GcpSession(module, 'compute')
+    return wait_for_operation(module, auth.delete(link))
+
+
+def resource_to_request(module):
+    request = {
+        u'kind': 'compute#backendService',
+        u'affinityCookieTtlSec': module.params.get('affinity_cookie_ttl_sec'),
+        u'backends': BackendServiceBackendArray(module.params.get('backends', []), module).to_request(),
+        u'cdnPolicy': BackeServiCdnPolic(module.params.get('cdn_policy', {}), module).to_request(),
+        u'connectionDraining': BackeServiConneDrain(module.params.get('connection_draining', {}), module).to_request(),
+        u'description': module.params.get('description'),
+        u'enableCDN': module.params.get('enable_cdn'),
+        u'healthChecks': module.params.get('health_checks'),
+        u'name': module.params.get('name'),
+        u'portName': module.params.get('port_name'),
+        u'protocol': module.params.get('protocol'),
+        u'region': region_selflink(module.params.get('region'), module.params),
+        u'sessionAffinity': module.params.get('session_affinity'),
+        u'timeoutSec': module.params.get('timeout_sec')
+    }
+    return_vals = {}
+    for k, v in request.items():
+        if v:
+            return_vals[k] = v
+
+    return return_vals
+
+
+def fetch_resource(module, link, kind):
+    auth = GcpSession(module, 'compute')
+    return return_if_object(module, auth.get(link), kind)
+
+
+def self_link(module):
+    return "https://www.googleapis.com/compute/v1/projects/{project}/global/backendServices/{name}".format(**module.params)
+
+
+def collection(module):
+    return "https://www.googleapis.com/compute/v1/projects/{project}/global/backendServices".format(**module.params)
+
+
+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
+
+    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)
+
+    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'affinityCookieTtlSec': response.get(u'affinityCookieTtlSec'),
+        u'backends': BackendServiceBackendArray(response.get(u'backends', []), module).from_response(),
+        u'cdnPolicy': BackeServiCdnPolic(response.get(u'cdnPolicy', {}), module).from_response(),
+        u'connectionDraining': BackeServiConneDrain(response.get(u'connectionDraining', {}), module).from_response(),
+        u'creationTimestamp': response.get(u'creationTimestamp'),
+        u'description': response.get(u'description'),
+        u'enableCDN': response.get(u'enableCDN'),
+        u'healthChecks': response.get(u'healthChecks'),
+        u'id': response.get(u'id'),
+        u'name': response.get(u'name'),
+        u'portName': response.get(u'portName'),
+        u'protocol': response.get(u'protocol'),
+        u'region': response.get(u'region'),
+        u'sessionAffinity': response.get(u'sessionAffinity'),
+        u'timeoutSec': response.get(u'timeoutSec')
+    }
+
+
+def region_selflink(name, params):
+    if name is None:
+        return
+    url = r"https://www.googleapis.com/compute/v1/projects/.*/regions/[a-z1-9\-]*"
+    if not re.match(url, name):
+        name = "https://www.googleapis.com/compute/v1/projects/{project}/regions/%s".format(**params) % name
+    return name
+
+
+def async_op_url(module, extra_data=None):
+    if extra_data is None:
+        extra_data = {}
+    url = "https://www.googleapis.com/compute/v1/projects/{project}/global/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, 'compute#operation')
+    if op_result is None:
+        return None
+    status = navigate_hash(op_result, ['status'])
+    wait_done = wait_for_completion(status, op_result, module)
+    return fetch_resource(module, navigate_hash(wait_done, ['targetLink']), 'compute#backendService')
+
+
+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, 'compute#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)
+
+
+class BackendServiceBackendArray(object):
+    def __init__(self, request, module):
+        self.module = module
+        if request:
+            self.request = request
+        else:
+            self.request = []
+
+    def to_request(self):
+        items = []
+        for item in self.request:
+            items.append(self._request_for_item(item))
+        return items
+
+    def from_response(self):
+        items = []
+        for item in self.request:
+            items.append(self._response_from_item(item))
+        return items
+
+    def _request_for_item(self, item):
+        return remove_nones_from_dict({
+            u'balancingMode': item.get('balancing_mode'),
+            u'capacityScaler': item.get('capacity_scaler'),
+            u'description': item.get('description'),
+            u'group': replace_resource_dict(item.get(u'group', {}), 'selfLink'),
+            u'maxConnections': item.get('max_connections'),
+            u'maxConnectionsPerInstance': item.get('max_connections_per_instance'),
+            u'maxRate': item.get('max_rate'),
+            u'maxRatePerInstance': item.get('max_rate_per_instance'),
+            u'maxUtilization': item.get('max_utilization')
+        })
+
+    def _response_from_item(self, item):
+        return remove_nones_from_dict({
+            u'balancingMode': item.get(u'balancingMode'),
+            u'capacityScaler': item.get(u'capacityScaler'),
+            u'description': item.get(u'description'),
+            u'group': item.get(u'group'),
+            u'maxConnections': item.get(u'maxConnections'),
+            u'maxConnectionsPerInstance': item.get(u'maxConnectionsPerInstance'),
+            u'maxRate': item.get(u'maxRate'),
+            u'maxRatePerInstance': item.get(u'maxRatePerInstance'),
+            u'maxUtilization': item.get(u'maxUtilization')
+        })
+
+
+class BackeServiCdnPolic(object):
+    def __init__(self, request, module):
+        self.module = module
+        if request:
+            self.request = request
+        else:
+            self.request = {}
+
+    def to_request(self):
+        return remove_nones_from_dict({
+            u'cacheKeyPolicy': BackServCachKeyPoli(self.request.get('cache_key_policy', {}), self.module).to_request()
+        })
+
+    def from_response(self):
+        return remove_nones_from_dict({
+            u'cacheKeyPolicy': BackServCachKeyPoli(self.request.get(u'cacheKeyPolicy', {}), self.module).from_response()
+        })
+
+
+class BackServCachKeyPoli(object):
+    def __init__(self, request, module):
+        self.module = module
+        if request:
+            self.request = request
+        else:
+            self.request = {}
+
+    def to_request(self):
+        return remove_nones_from_dict({
+            u'includeHost': self.request.get('include_host'),
+            u'includeProtocol': self.request.get('include_protocol'),
+            u'includeQueryString': self.request.get('include_query_string'),
+            u'queryStringBlacklist': self.request.get('query_string_blacklist'),
+            u'queryStringWhitelist': self.request.get('query_string_whitelist')
+        })
+
+    def from_response(self):
+        return remove_nones_from_dict({
+            u'includeHost': self.request.get(u'includeHost'),
+            u'includeProtocol': self.request.get(u'includeProtocol'),
+            u'includeQueryString': self.request.get(u'includeQueryString'),
+            u'queryStringBlacklist': self.request.get(u'queryStringBlacklist'),
+            u'queryStringWhitelist': self.request.get(u'queryStringWhitelist')
+        })
+
+
+class BackeServiConneDrain(object):
+    def __init__(self, request, module):
+        self.module = module
+        if request:
+            self.request = request
+        else:
+            self.request = {}
+
+    def to_request(self):
+        return remove_nones_from_dict({
+            u'drainingTimeoutSec': self.request.get('draining_timeout_sec')
+        })
+
+    def from_response(self):
+        return remove_nones_from_dict({
+            u'drainingTimeoutSec': self.request.get(u'drainingTimeoutSec')
+        })
+
+if __name__ == '__main__':
+    main()

test/integration/targets/gcp_compute_backend_service/aliases

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

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

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

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

@@ -0,0 +1,183 @@
+---
+# ----------------------------------------------------------------------------
+#
+#     ***     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
+#
+# ----------------------------------------------------------------------------
+# Pre-test setup
+- name: create a instance group
+  gcp_compute_instance_group:
+      name: 'instancegroup-backendservice'
+      zone: 'us-central1-a'
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: present
+  register: instancegroup
+- name: create a http health check
+  gcp_compute_http_health_check:
+      name: 'httphealthcheck-backendservice'
+      healthy_threshold: 10
+      port: 8080
+      timeout_sec: 2
+      unhealthy_threshold: 5
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: present
+  register: healthcheck
+- name: delete a backend service
+  gcp_compute_backend_service:
+      name: "{{ resource_name }}"
+      backends:
+        - group: "{{ instancegroup }}"
+      health_checks:
+        - "{{ healthcheck.selfLink }}"
+      enable_cdn: true
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: absent
+#----------------------------------------------------------
+- name: create a backend service
+  gcp_compute_backend_service:
+      name: "{{ resource_name }}"
+      backends:
+        - group: "{{ instancegroup }}"
+      health_checks:
+        - "{{ healthcheck.selfLink }}"
+      enable_cdn: true
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: present
+  register: result
+- name: assert changed is true
+  assert:
+    that:
+      - result.changed == true
+      - "result.kind == 'compute#backendService'"
+- name: verify that backend_service was created
+  shell: |
+    gcloud compute backend-services describe  --project="{{ gcp_project}}"  --global  "{{ resource_name }}"
+  register: results
+- name: verify that command succeeded
+  assert:
+    that:
+      - results.rc == 0
+# ----------------------------------------------------------------------------
+- name: create a backend service that already exists
+  gcp_compute_backend_service:
+      name: "{{ resource_name }}"
+      backends:
+        - group: "{{ instancegroup }}"
+      health_checks:
+        - "{{ healthcheck.selfLink }}"
+      enable_cdn: true
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: present
+  register: result
+- name: assert changed is false
+  assert:
+    that:
+      - result.changed == false
+      - "result.kind == 'compute#backendService'"
+#----------------------------------------------------------
+- name: delete a backend service
+  gcp_compute_backend_service:
+      name: "{{ resource_name }}"
+      backends:
+        - group: "{{ instancegroup }}"
+      health_checks:
+        - "{{ healthcheck.selfLink }}"
+      enable_cdn: true
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: absent
+  register: result
+- name: assert changed is true
+  assert:
+    that:
+      - result.changed == true
+      - result.has_key('kind') == False
+- name: verify that backend_service was deleted
+  shell: |
+    gcloud compute backend-services describe  --project="{{ gcp_project}}"  --global  "{{ resource_name }}"
+  register: results
+  failed_when: results.rc == 0
+- name: verify that command succeeded
+  assert:
+    that:
+      - results.rc == 1
+      - "\"'projects/{{ gcp_project }}/global/backendServices/{{ resource_name }}' was not found\" in results.stderr"
+# ----------------------------------------------------------------------------
+- name: delete a backend service that does not exist
+  gcp_compute_backend_service:
+      name: "{{ resource_name }}"
+      backends:
+        - group: "{{ instancegroup }}"
+      health_checks:
+        - "{{ healthcheck.selfLink }}"
+      enable_cdn: true
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: absent
+  register: result
+- name: assert changed is false
+  assert:
+    that:
+      - result.changed == false
+      - result.has_key('kind') == False
+#---------------------------------------------------------
+# Post-test teardown
+- name: delete a http health check
+  gcp_compute_http_health_check:
+      name: 'httphealthcheck-backendservice'
+      healthy_threshold: 10
+      port: 8080
+      timeout_sec: 2
+      unhealthy_threshold: 5
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: absent
+  register: healthcheck
+- name: delete a instance group
+  gcp_compute_instance_group:
+      name: 'instancegroup-backendservice'
+      zone: 'us-central1-a'
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/compute
+      state: absent
+  register: instancegroup