added project service to validator (#4127) (#571)

Signed-off-by: Modular Magician <[email protected]>

google/project_service.go

@@ -0,0 +1,60 @@
+package google
+
+import (
+	"fmt"
+	"reflect"
+)
+
+func GetServiceUsageCaiObject(d TerraformResourceData, config *Config) (Asset, error) {
+	name, err := assetName(d, config, "//serviceusage.googleapis.com/projects/{{project}}/services/{{service}}")
+	if err != nil {
+		return Asset{}, err
+	}
+	if obj, err := GetServiceUsageApiObject(d, config); err == nil {
+		return Asset{
+			Name: name,
+			Type: "serviceusage.googleapis.com/Service",
+			Resource: &AssetResource{
+				Version:              "v1",
+				DiscoveryDocumentURI: "https://www.googleapis.com/discovery/v1/apis/serviceusage/v1/rest",
+				DiscoveryName:        "Service",
+				Data:                 obj,
+			},
+		}, nil
+	}
+	return Asset{}, err
+}
+
+func GetServiceUsageApiObject(d TerraformResourceData, config *Config) (map[string]interface{}, error) {
+	obj := make(map[string]interface{})
+	parentProjectProp, err := expandServiceUsageParentProject(d.Get("project"), d, config)
+	if err != nil {
+		return nil, err
+	}
+	obj["parent"] = parentProjectProp
+
+	serviceNameProp, err := expandServiceUsageServiceName(d.Get("service"), d, config)
+	if err != nil {
+		return nil, err
+	} else if v, ok := d.GetOkExists("service"); !isEmptyValue(reflect.ValueOf(serviceNameProp)) && (ok || !reflect.DeepEqual(v, serviceNameProp)) {
+		obj["name"] = serviceNameProp
+	}
+
+	obj["state"] = "ENABLED"
+
+	return obj, nil
+}
+
+func expandServiceUsageParentProject(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
+	if v == nil || v.(string) == "" {
+		// It does not try to construct anything from empty.
+		return "", nil
+	}
+	// Ideally we should use project_number, but since that is generated server-side,
+	// we substitute project_id.
+	return fmt.Sprintf("projects/%s", v.(string)), nil
+}
+
+func expandServiceUsageServiceName(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
+	return v, nil
+}