Support ability to create "non-custom" services

mmv1/products/monitoring/api.yaml

@@ -1084,6 +1084,87 @@ objects:
             The full name of the resource that defines this service.
             Formatted as described in
             https://cloud.google.com/apis/design/resource_names.
+
+  - !ruby/object:Api::Resource
+    name: GenericService
+    base_url: v3/projects/{{project}}/services
+    create_url: v3/projects/{{project}}/services?serviceId={{service_id}}
+    self_link: "v3/{{name}}"
+    update_verb: :PATCH
+    update_mask: true
+    description: |
+      A Service is a discrete, autonomous, and network-accessible unit,
+      designed to solve an individual concern (Wikipedia). In Cloud Monitoring,
+      a Service acts as the root resource under which operational aspects of
+      the service are accessible
+    references: !ruby/object:Api::Resource::ReferenceLinks
+      guides:
+        'Service Monitoring': 'https://cloud.google.com/monitoring/service-monitoring'
+        'Monitoring API Documentation': 'https://cloud.google.com/monitoring/api/v3/'
+      api: 'https://cloud.google.com/monitoring/api/ref_v3/rest/v3/services'
+    parameters:
+    - !ruby/object:Api::Type::String
+      name: serviceId
+      description: |
+        An optional service ID to use. If not given, the server will generate a
+        service ID.
+      input: true
+    properties:
+    - !ruby/object:Api::Type::String
+      name: name
+      description: |
+        The full resource name for this service. The syntax is:
+        projects/[PROJECT_ID]/services/[SERVICE_ID].
+      output: true
+    - !ruby/object:Api::Type::String
+      name: displayName
+      description: |
+        Name used for UI elements listing this Service.
+    - !ruby/object:Api::Type::KeyValuePairs
+      name: 'userLabels'
+      description: |
+        Labels which have been used to annotate the service. Label keys must start
+        with a letter. Label keys and values may contain lowercase letters,
+        numbers, underscores, and dashes. Label keys and values have a maximum
+        length of 63 characters, and must be less than 128 bytes in size. Up to 64
+        label entries may be stored. For labels which do not have a semantic value,
+        the empty string may be supplied for the label value.
+      send_empty_value: true
+    - !ruby/object:Api::Type::NestedObject
+      name: telemetry
+      description: |
+        Configuration for how to query telemetry on a Service.
+      # Non custom service have non-editable telemetry
+      output: true
+      properties:
+        - !ruby/object:Api::Type::String
+          name: resourceName
+          description: |
+            The full name of the resource that defines this service.
+            Formatted as described in
+            https://cloud.google.com/apis/design/resource_names.
+    - !ruby/object:Api::Type::NestedObject
+      name: basicService
+      description: |
+        A well-known service type, defined by its service type and service labels.
+      # BasicService info can be set on creation but is then immutable.
+      input: true
+      properties:
+        - !ruby/object:Api::Type::String
+          name: serviceType
+          description: |
+            The type of service that this basic service defines, e.g. 
+            APP_ENGINE service type
+          # BasicService info can be set on creation but is then immutable.
+          input: true
+        - !ruby/object:Api::Type::KeyValuePairs
+          name: serviceLabels
+          description: |
+            Labels that specify the resource that emits the monitoring data 
+            which is used for SLO reporting of this `Service`.
+          # BasicService info can be set on creation but is then immutable.
+          input: true
+
 
   - !ruby/object:Api::Resource
     name: Slo

mmv1/products/monitoring/terraform.yaml

@@ -147,6 +147,28 @@ overrides: !ruby/object:Overrides::ResourceOverrides
       custom_import: templates/terraform/custom_import/self_link_as_name.erb
       encoder: templates/terraform/encoders/monitoring_service.go.erb
 
+  GenericService: !ruby/object:Overrides::Terraform::ResourceOverride
+    legacy_name: 'google_monitoring_service'
+    id_format: "{{name}}"
+    import_format: ["{{name}}"]
+    error_retry_predicates: ["isMonitoringConcurrentEditError"]
+    properties:
+      serviceId: !ruby/object:Overrides::Terraform::PropertyOverride
+        api_name: 'name'
+        custom_flatten: templates/terraform/custom_flatten/name_from_self_link.erb
+        default_from_api: true
+        validation: !ruby/object:Provider::Terraform::Validation
+          regex: '^[a-z0-9\-]+$'
+    examples:
+      - !ruby/object:Provider::Terraform::Examples
+        name: "monitoring_service_example"
+        primary_resource_id: "my_service"
+        vars:
+          service_id: "my-service"
+    custom_code: !ruby/object:Provider::Terraform::CustomCode
+      custom_import: templates/terraform/custom_import/self_link_as_name.erb
+      encoder: templates/terraform/encoders/monitoring_service_generic.go.erb
+
   Slo: !ruby/object:Overrides::Terraform::ResourceOverride
     id_format: "{{name}}"
     import_format: ["{{name}}"]

mmv1/templates/terraform/encoders/monitoring_service_generic.go.erb

@@ -0,0 +1,27 @@
+<%# The license inside this block applies to this file.
+	# Copyright 2022 Google Inc.
+	# Licensed under the Apache License, Version 2.0 (the "License");
+	# you may not use this file except in compliance with the License.
+	# You may obtain a copy of the License at
+	#
+	#     http://www.apache.org/licenses/LICENSE-2.0
+	#
+	# Unless required by applicable law or agreed to in writing, software
+	# distributed under the License is distributed on an "AS IS" BASIS,
+	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+	# See the License for the specific language governing permissions and
+	# limitations under the License.
+-%>
+// query only parameters below
+delete(obj, "name")
+delete(obj, "app_engine")
+delete(obj, "cloud_endpoints")
+delete(obj, "cluster_istio")
+delete(obj, "mesh_istio")
+delete(obj, "istio_canonical_service")
+delete(obj, "cloud_run")
+delete(obj, "gke_namespace")
+delete(obj, "gke_workload")
+delete(obj, "gke_service")
+
+return obj, nil

mmv1/templates/terraform/examples/monitoring_service_example.tf.erb

@@ -0,0 +1,16 @@
+resource "google_monitoring_service" "<%= ctx[:primary_resource_id] -%>" {
+  service_id = "<%= ctx[:vars]['service_id'] -%>"
+  display_name = "My Service <%= ctx[:vars]['service_id'] -%>"
+
+  user_labels = {
+    my_key       = "my_value"
+    my_other_key = "my_other_value"
+  }
+
+  basic_service {
+    service_type  = "APP_ENGINE"
+    service_labels = {
+      module_id = "another-module-id"
+    }
+  }
+}