// Copyright 2022 Google LLC
//
// 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.

syntax = "proto3";

package google.cloud.dataproc.v1;

import "google/api/annotations.proto";
import "google/api/client.proto";
import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/cloud/dataproc/v1/shared.proto";
import "google/longrunning/operations.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/field_mask.proto";
import "google/protobuf/timestamp.proto";

option go_package = "google.golang.org/genproto/googleapis/cloud/dataproc/v1;dataproc";
option java_multiple_files = true;
option java_outer_classname = "ClustersProto";
option java_package = "com.google.cloud.dataproc.v1";
option (google.api.resource_definition) = {
  type: "container.googleapis.com/Cluster"
  pattern: "projects/{project}/locations/{location}/clusters/{cluster}"
};
option (google.api.resource_definition) = {
  type: "metastore.googleapis.com/Service"
  pattern: "projects/{project}/locations/{location}/services/{service}"
};

// The ClusterControllerService provides methods to manage clusters
// of Compute Engine instances.
service ClusterController {
  option (google.api.default_host) = "dataproc.googleapis.com";
  option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform";

  // Creates a cluster in a project. The returned
  // [Operation.metadata][google.longrunning.Operation.metadata] will be
  // [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
  rpc CreateCluster(CreateClusterRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v1/projects/{project_id}/regions/{region}/clusters"
      body: "cluster"
    };
    option (google.api.method_signature) = "project_id,region,cluster";
    option (google.longrunning.operation_info) = {
      response_type: "Cluster"
      metadata_type: "google.cloud.dataproc.v1.ClusterOperationMetadata"
    };
  }

  // Updates a cluster in a project. The returned
  // [Operation.metadata][google.longrunning.Operation.metadata] will be
  // [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
  // The cluster must be in a [`RUNNING`][google.cloud.dataproc.v1.ClusterStatus.State] state or an error
  // is returned.
  rpc UpdateCluster(UpdateClusterRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      patch: "/v1/projects/{project_id}/regions/{region}/clusters/{cluster_name}"
      body: "cluster"
    };
    option (google.api.method_signature) = "project_id,region,cluster_name,cluster,update_mask";
    option (google.longrunning.operation_info) = {
      response_type: "Cluster"
      metadata_type: "google.cloud.dataproc.v1.ClusterOperationMetadata"
    };
  }

  // Stops a cluster in a project.
  rpc StopCluster(StopClusterRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v1/projects/{project_id}/regions/{region}/clusters/{cluster_name}:stop"
      body: "*"
    };
    option (google.longrunning.operation_info) = {
      response_type: "Cluster"
      metadata_type: "google.cloud.dataproc.v1.ClusterOperationMetadata"
    };
  }

  // Starts a cluster in a project.
  rpc StartCluster(StartClusterRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v1/projects/{project_id}/regions/{region}/clusters/{cluster_name}:start"
      body: "*"
    };
    option (google.longrunning.operation_info) = {
      response_type: "Cluster"
      metadata_type: "google.cloud.dataproc.v1.ClusterOperationMetadata"
    };
  }

  // Deletes a cluster in a project. The returned
  // [Operation.metadata][google.longrunning.Operation.metadata] will be
  // [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
  rpc DeleteCluster(DeleteClusterRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      delete: "/v1/projects/{project_id}/regions/{region}/clusters/{cluster_name}"
    };
    option (google.api.method_signature) = "project_id,region,cluster_name";
    option (google.longrunning.operation_info) = {
      response_type: "google.protobuf.Empty"
      metadata_type: "google.cloud.dataproc.v1.ClusterOperationMetadata"
    };
  }

  // Gets the resource representation for a cluster in a project.
  rpc GetCluster(GetClusterRequest) returns (Cluster) {
    option (google.api.http) = {
      get: "/v1/projects/{project_id}/regions/{region}/clusters/{cluster_name}"
    };
    option (google.api.method_signature) = "project_id,region,cluster_name";
  }

  // Lists all regions/{region}/clusters in a project alphabetically.
  rpc ListClusters(ListClustersRequest) returns (ListClustersResponse) {
    option (google.api.http) = {
      get: "/v1/projects/{project_id}/regions/{region}/clusters"
    };
    option (google.api.method_signature) = "project_id,region";
    option (google.api.method_signature) = "project_id,region,filter";
  }

  // Gets cluster diagnostic information. The returned
  // [Operation.metadata][google.longrunning.Operation.metadata] will be
  // [ClusterOperationMetadata](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#clusteroperationmetadata).
  // After the operation completes,
  // [Operation.response][google.longrunning.Operation.response]
  // contains
  // [DiagnoseClusterResults](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#diagnoseclusterresults).
  rpc DiagnoseCluster(DiagnoseClusterRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v1/projects/{project_id}/regions/{region}/clusters/{cluster_name}:diagnose"
      body: "*"
    };
    option (google.api.method_signature) = "project_id,region,cluster_name";
    option (google.longrunning.operation_info) = {
      response_type: "DiagnoseClusterResults"
      metadata_type: "google.cloud.dataproc.v1.ClusterOperationMetadata"
    };
  }
}

// Describes the identifying information, config, and status of
// a Dataproc cluster
message Cluster {
  // Required. The Google Cloud Platform project ID that the cluster belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster name. Cluster names within a project must be
  // unique. Names of deleted clusters can be reused.
  string cluster_name = 2 [(google.api.field_behavior) = REQUIRED];

  // Optional. The cluster config for a cluster of Compute Engine Instances.
  // Note that Dataproc may set default values, and values may change
  // when clusters are updated.
  ClusterConfig config = 3 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The virtual cluster config, used when creating a Dataproc cluster that
  // does not directly control the underlying compute resources, for example,
  // when creating a [Dataproc-on-GKE
  // cluster](https://cloud.google.com/dataproc/docs/concepts/jobs/dataproc-gke#create-a-dataproc-on-gke-cluster).
  // Note that Dataproc may set default values, and values may change when
  // clusters are updated. Exactly one of config or virtualClusterConfig must be
  // specified.
  VirtualClusterConfig virtual_cluster_config = 10 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The labels to associate with this cluster.
  // Label **keys** must contain 1 to 63 characters, and must conform to
  // [RFC 1035](https://www.ietf.org/rfc/rfc1035.txt).
  // Label **values** may be empty, but, if present, must contain 1 to 63
  // characters, and must conform to [RFC
  // 1035](https://www.ietf.org/rfc/rfc1035.txt). No more than 32 labels can be
  // associated with a cluster.
  map<string, string> labels = 8 [(google.api.field_behavior) = OPTIONAL];

  // Output only. Cluster status.
  ClusterStatus status = 4 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The previous cluster status.
  repeated ClusterStatus status_history = 7 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. A cluster UUID (Unique Universal Identifier). Dataproc
  // generates this value when it creates the cluster.
  string cluster_uuid = 6 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. Contains cluster daemon metrics such as HDFS and YARN stats.
  //
  // **Beta Feature**: This report is available for testing purposes only. It
  // may be changed before final release.
  ClusterMetrics metrics = 9 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// The cluster config.
message ClusterConfig {
  // Optional. A Cloud Storage bucket used to stage job
  // dependencies, config files, and job driver console output.
  // If you do not specify a staging bucket, Cloud
  // Dataproc will determine a Cloud Storage location (US,
  // ASIA, or EU) for your cluster's staging bucket according to the
  // Compute Engine zone where your cluster is deployed, and then create
  // and manage this project-level, per-location bucket (see
  // [Dataproc staging and temp
  // buckets](https://cloud.google.com/dataproc/docs/concepts/configuring-clusters/staging-bucket)).
  // **This field requires a Cloud Storage bucket name, not a `gs://...` URI to
  // a Cloud Storage bucket.**
  string config_bucket = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. A Cloud Storage bucket used to store ephemeral cluster and jobs data,
  // such as Spark and MapReduce history files.
  // If you do not specify a temp bucket,
  // Dataproc will determine a Cloud Storage location (US,
  // ASIA, or EU) for your cluster's temp bucket according to the
  // Compute Engine zone where your cluster is deployed, and then create
  // and manage this project-level, per-location bucket. The default bucket has
  // a TTL of 90 days, but you can use any TTL (or none) if you specify a
  // bucket (see
  // [Dataproc staging and temp
  // buckets](https://cloud.google.com/dataproc/docs/concepts/configuring-clusters/staging-bucket)).
  // **This field requires a Cloud Storage bucket name, not a `gs://...` URI to
  // a Cloud Storage bucket.**
  string temp_bucket = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The shared Compute Engine config settings for
  // all instances in a cluster.
  GceClusterConfig gce_cluster_config = 8 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Compute Engine config settings for
  // the cluster's master instance.
  InstanceGroupConfig master_config = 9 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Compute Engine config settings for
  // the cluster's worker instances.
  InstanceGroupConfig worker_config = 10 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Compute Engine config settings for
  // a cluster's secondary worker instances
  InstanceGroupConfig secondary_worker_config = 12 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The config settings for cluster software.
  SoftwareConfig software_config = 13 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Commands to execute on each node after config is
  // completed. By default, executables are run on master and all worker nodes.
  // You can test a node's `role` metadata to run an executable on
  // a master or worker node, as shown below using `curl` (you can also use
  // `wget`):
  //
  //     ROLE=$(curl -H Metadata-Flavor:Google
  //     http://metadata/computeMetadata/v1/instance/attributes/dataproc-role)
  //     if [[ "${ROLE}" == 'Master' ]]; then
  //       ... master specific actions ...
  //     else
  //       ... worker specific actions ...
  //     fi
  repeated NodeInitializationAction initialization_actions = 11 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Encryption settings for the cluster.
  EncryptionConfig encryption_config = 15 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Autoscaling config for the policy associated with the cluster.
  // Cluster does not autoscale if this field is unset.
  AutoscalingConfig autoscaling_config = 18 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Security settings for the cluster.
  SecurityConfig security_config = 16 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Lifecycle setting for the cluster.
  LifecycleConfig lifecycle_config = 17 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Port/endpoint configuration for this cluster
  EndpointConfig endpoint_config = 19 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Metastore configuration.
  MetastoreConfig metastore_config = 20 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The config for Dataproc metrics.
  DataprocMetricConfig dataproc_metric_config = 23 [(google.api.field_behavior) = OPTIONAL];
}

// Dataproc cluster config for a cluster that does not directly control the
// underlying compute resources, such as a [Dataproc-on-GKE
// cluster](https://cloud.google.com/dataproc/docs/concepts/jobs/dataproc-gke#create-a-dataproc-on-gke-cluster).
message VirtualClusterConfig {
  // Optional. A Storage bucket used to stage job
  // dependencies, config files, and job driver console output.
  // If you do not specify a staging bucket, Cloud
  // Dataproc will determine a Cloud Storage location (US,
  // ASIA, or EU) for your cluster's staging bucket according to the
  // Compute Engine zone where your cluster is deployed, and then create
  // and manage this project-level, per-location bucket (see
  // [Dataproc staging and temp
  // buckets](https://cloud.google.com/dataproc/docs/concepts/configuring-clusters/staging-bucket)).
  // **This field requires a Cloud Storage bucket name, not a `gs://...` URI to
  // a Cloud Storage bucket.**
  string staging_bucket = 1 [(google.api.field_behavior) = OPTIONAL];

  oneof infrastructure_config {
    // Required. The configuration for running the Dataproc cluster on Kubernetes.
    KubernetesClusterConfig kubernetes_cluster_config = 6 [(google.api.field_behavior) = REQUIRED];
  }

  // Optional. Configuration of auxiliary services used by this cluster.
  AuxiliaryServicesConfig auxiliary_services_config = 7 [(google.api.field_behavior) = OPTIONAL];
}

// Auxiliary services configuration for a Cluster.
message AuxiliaryServicesConfig {
  // Optional. The Hive Metastore configuration for this workload.
  MetastoreConfig metastore_config = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Spark History Server configuration for the workload.
  SparkHistoryServerConfig spark_history_server_config = 2 [(google.api.field_behavior) = OPTIONAL];
}

// Endpoint config for this cluster
message EndpointConfig {
  // Output only. The map of port descriptions to URLs. Will only be populated
  // if enable_http_port_access is true.
  map<string, string> http_ports = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. If true, enable http access to specific ports on the cluster
  // from external sources. Defaults to false.
  bool enable_http_port_access = 2 [(google.api.field_behavior) = OPTIONAL];
}

// Autoscaling Policy config associated with the cluster.
message AutoscalingConfig {
  // Optional. The autoscaling policy used by the cluster.
  //
  // Only resource names including projectid and location (region) are valid.
  // Examples:
  //
  // * `https://www.googleapis.com/compute/v1/projects/[project_id]/locations/[dataproc_region]/autoscalingPolicies/[policy_id]`
  // * `projects/[project_id]/locations/[dataproc_region]/autoscalingPolicies/[policy_id]`
  //
  // Note that the policy must be in the same project and Dataproc region.
  string policy_uri = 1 [(google.api.field_behavior) = OPTIONAL];
}

// Encryption settings for the cluster.
message EncryptionConfig {
  // Optional. The Cloud KMS key name to use for PD disk encryption for all
  // instances in the cluster.
  string gce_pd_kms_key_name = 1 [(google.api.field_behavior) = OPTIONAL];
}

// Common config settings for resources of Compute Engine cluster
// instances, applicable to all instances in the cluster.
message GceClusterConfig {
  // `PrivateIpv6GoogleAccess` controls whether and how Dataproc cluster nodes
  // can communicate with Google Services through gRPC over IPv6.
  // These values are directly mapped to corresponding values in the
  // [Compute Engine Instance
  // fields](https://cloud.google.com/compute/docs/reference/rest/v1/instances).
  enum PrivateIpv6GoogleAccess {
    // If unspecified, Compute Engine default behavior will apply, which
    // is the same as [INHERIT_FROM_SUBNETWORK][google.cloud.dataproc.v1.GceClusterConfig.PrivateIpv6GoogleAccess.INHERIT_FROM_SUBNETWORK].
    PRIVATE_IPV6_GOOGLE_ACCESS_UNSPECIFIED = 0;

    // Private access to and from Google Services configuration
    // inherited from the subnetwork configuration. This is the
    // default Compute Engine behavior.
    INHERIT_FROM_SUBNETWORK = 1;

    // Enables outbound private IPv6 access to Google Services from the Dataproc
    // cluster.
    OUTBOUND = 2;

    // Enables bidirectional private IPv6 access between Google Services and the
    // Dataproc cluster.
    BIDIRECTIONAL = 3;
  }

  // Optional. The zone where the Compute Engine cluster will be located.
  // On a create request, it is required in the "global" region. If omitted
  // in a non-global Dataproc region, the service will pick a zone in the
  // corresponding Compute Engine region. On a get request, zone will
  // always be present.
  //
  // A full URL, partial URI, or short name are valid. Examples:
  //
  // * `https://www.googleapis.com/compute/v1/projects/[project_id]/zones/[zone]`
  // * `projects/[project_id]/zones/[zone]`
  // * `us-central1-f`
  string zone_uri = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Compute Engine network to be used for machine
  // communications. Cannot be specified with subnetwork_uri. If neither
  // `network_uri` nor `subnetwork_uri` is specified, the "default" network of
  // the project is used, if it exists. Cannot be a "Custom Subnet Network" (see
  // [Using Subnetworks](https://cloud.google.com/compute/docs/subnetworks) for
  // more information).
  //
  // A full URL, partial URI, or short name are valid. Examples:
  //
  // * `https://www.googleapis.com/compute/v1/projects/[project_id]/regions/global/default`
  // * `projects/[project_id]/regions/global/default`
  // * `default`
  string network_uri = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Compute Engine subnetwork to be used for machine
  // communications. Cannot be specified with network_uri.
  //
  // A full URL, partial URI, or short name are valid. Examples:
  //
  // * `https://www.googleapis.com/compute/v1/projects/[project_id]/regions/us-east1/subnetworks/sub0`
  // * `projects/[project_id]/regions/us-east1/subnetworks/sub0`
  // * `sub0`
  string subnetwork_uri = 6 [(google.api.field_behavior) = OPTIONAL];

  // Optional. If true, all instances in the cluster will only have internal IP
  // addresses. By default, clusters are not restricted to internal IP
  // addresses, and will have ephemeral external IP addresses assigned to each
  // instance. This `internal_ip_only` restriction can only be enabled for
  // subnetwork enabled networks, and all off-cluster dependencies must be
  // configured to be accessible without external IP addresses.
  bool internal_ip_only = 7 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The type of IPv6 access for a cluster.
  PrivateIpv6GoogleAccess private_ipv6_google_access = 12 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The [Dataproc service
  // account](https://cloud.google.com/dataproc/docs/concepts/configuring-clusters/service-accounts#service_accounts_in_dataproc)
  // (also see [VM Data Plane
  // identity](https://cloud.google.com/dataproc/docs/concepts/iam/dataproc-principals#vm_service_account_data_plane_identity))
  // used by Dataproc cluster VM instances to access Google Cloud Platform
  // services.
  //
  // If not specified, the
  // [Compute Engine default service
  // account](https://cloud.google.com/compute/docs/access/service-accounts#default_service_account)
  // is used.
  string service_account = 8 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The URIs of service account scopes to be included in
  // Compute Engine instances. The following base set of scopes is always
  // included:
  //
  // * https://www.googleapis.com/auth/cloud.useraccounts.readonly
  // * https://www.googleapis.com/auth/devstorage.read_write
  // * https://www.googleapis.com/auth/logging.write
  //
  // If no scopes are specified, the following defaults are also provided:
  //
  // * https://www.googleapis.com/auth/bigquery
  // * https://www.googleapis.com/auth/bigtable.admin.table
  // * https://www.googleapis.com/auth/bigtable.data
  // * https://www.googleapis.com/auth/devstorage.full_control
  repeated string service_account_scopes = 3 [(google.api.field_behavior) = OPTIONAL];

  // The Compute Engine tags to add to all instances (see [Tagging
  // instances](https://cloud.google.com/compute/docs/label-or-tag-resources#tags)).
  repeated string tags = 4;

  // The Compute Engine metadata entries to add to all instances (see
  // [Project and instance
  // metadata](https://cloud.google.com/compute/docs/storing-retrieving-metadata#project_and_instance_metadata)).
  map<string, string> metadata = 5;

  // Optional. Reservation Affinity for consuming Zonal reservation.
  ReservationAffinity reservation_affinity = 11 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Node Group Affinity for sole-tenant clusters.
  NodeGroupAffinity node_group_affinity = 13 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Shielded Instance Config for clusters using [Compute Engine Shielded
  // VMs](https://cloud.google.com/security/shielded-cloud/shielded-vm).
  ShieldedInstanceConfig shielded_instance_config = 14 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Confidential Instance Config for clusters using [Confidential
  // VMs](https://cloud.google.com/compute/confidential-vm/docs).
  ConfidentialInstanceConfig confidential_instance_config = 15 [(google.api.field_behavior) = OPTIONAL];
}

// Node Group Affinity for clusters using sole-tenant node groups.
message NodeGroupAffinity {
  // Required. The URI of a
  // sole-tenant [node group
  // resource](https://cloud.google.com/compute/docs/reference/rest/v1/nodeGroups)
  // that the cluster will be created on.
  //
  // A full URL, partial URI, or node group name are valid. Examples:
  //
  // * `https://www.googleapis.com/compute/v1/projects/[project_id]/zones/us-central1-a/nodeGroups/node-group-1`
  // * `projects/[project_id]/zones/us-central1-a/nodeGroups/node-group-1`
  // * `node-group-1`
  string node_group_uri = 1 [(google.api.field_behavior) = REQUIRED];
}

// Shielded Instance Config for clusters using [Compute Engine Shielded
// VMs](https://cloud.google.com/security/shielded-cloud/shielded-vm).
message ShieldedInstanceConfig {
  // Optional. Defines whether instances have Secure Boot enabled.
  bool enable_secure_boot = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Defines whether instances have the vTPM enabled.
  bool enable_vtpm = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Defines whether instances have integrity monitoring enabled.
  bool enable_integrity_monitoring = 3 [(google.api.field_behavior) = OPTIONAL];
}

// Confidential Instance Config for clusters using [Confidential
// VMs](https://cloud.google.com/compute/confidential-vm/docs)
message ConfidentialInstanceConfig {
  // Optional. Defines whether the instance should have confidential compute enabled.
  bool enable_confidential_compute = 1 [(google.api.field_behavior) = OPTIONAL];
}

// The config settings for Compute Engine resources in
// an instance group, such as a master or worker group.
message InstanceGroupConfig {
  // Controls the use of
  // [preemptible instances]
  // (https://cloud.google.com/compute/docs/instances/preemptible)
  // within the group.
  enum Preemptibility {
    // Preemptibility is unspecified, the system will choose the
    // appropriate setting for each instance group.
    PREEMPTIBILITY_UNSPECIFIED = 0;

    // Instances are non-preemptible.
    //
    // This option is allowed for all instance groups and is the only valid
    // value for Master and Worker instance groups.
    NON_PREEMPTIBLE = 1;

    // Instances are preemptible.
    //
    // This option is allowed only for secondary worker groups.
    PREEMPTIBLE = 2;
  }

  // Optional. The number of VM instances in the instance group.
  // For [HA
  // cluster](/dataproc/docs/concepts/configuring-clusters/high-availability)
  // [master_config](#FIELDS.master_config) groups, **must be set to 3**.
  // For standard cluster [master_config](#FIELDS.master_config) groups,
  // **must be set to 1**.
  int32 num_instances = 1 [(google.api.field_behavior) = OPTIONAL];

  // Output only. The list of instance names. Dataproc derives the names
  // from `cluster_name`, `num_instances`, and the instance group.
  repeated string instance_names = 2 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. The Compute Engine image resource used for cluster instances.
  //
  // The URI can represent an image or image family.
  //
  // Image examples:
  //
  // * `https://www.googleapis.com/compute/beta/projects/[project_id]/global/images/[image-id]`
  // * `projects/[project_id]/global/images/[image-id]`
  // * `image-id`
  //
  // Image family examples. Dataproc will use the most recent
  // image from the family:
  //
  // * `https://www.googleapis.com/compute/beta/projects/[project_id]/global/images/family/[custom-image-family-name]`
  // * `projects/[project_id]/global/images/family/[custom-image-family-name]`
  //
  // If the URI is unspecified, it will be inferred from
  // `SoftwareConfig.image_version` or the system default.
  string image_uri = 3 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Compute Engine machine type used for cluster instances.
  //
  // A full URL, partial URI, or short name are valid. Examples:
  //
  // * `https://www.googleapis.com/compute/v1/projects/[project_id]/zones/us-east1-a/machineTypes/n1-standard-2`
  // * `projects/[project_id]/zones/us-east1-a/machineTypes/n1-standard-2`
  // * `n1-standard-2`
  //
  // **Auto Zone Exception**: If you are using the Dataproc
  // [Auto Zone
  // Placement](https://cloud.google.com/dataproc/docs/concepts/configuring-clusters/auto-zone#using_auto_zone_placement)
  // feature, you must use the short name of the machine type
  // resource, for example, `n1-standard-2`.
  string machine_type_uri = 4 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Disk option config settings.
  DiskConfig disk_config = 5 [(google.api.field_behavior) = OPTIONAL];

  // Output only. Specifies that this instance group contains preemptible
  // instances.
  bool is_preemptible = 6 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. Specifies the preemptibility of the instance group.
  //
  // The default value for master and worker groups is
  // `NON_PREEMPTIBLE`. This default cannot be changed.
  //
  // The default value for secondary instances is
  // `PREEMPTIBLE`.
  Preemptibility preemptibility = 10 [(google.api.field_behavior) = OPTIONAL];

  // Output only. The config for Compute Engine Instance Group
  // Manager that manages this group.
  // This is only used for preemptible instance groups.
  ManagedGroupConfig managed_group_config = 7 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. The Compute Engine accelerator configuration for these
  // instances.
  repeated AcceleratorConfig accelerators = 8 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Specifies the minimum cpu platform for the Instance Group.
  // See [Dataproc -> Minimum CPU
  // Platform](https://cloud.google.com/dataproc/docs/concepts/compute/dataproc-min-cpu).
  string min_cpu_platform = 9 [(google.api.field_behavior) = OPTIONAL];
}

// Specifies the resources used to actively manage an instance group.
message ManagedGroupConfig {
  // Output only. The name of the Instance Template used for the Managed
  // Instance Group.
  string instance_template_name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The name of the Instance Group Manager for this group.
  string instance_group_manager_name = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Specifies the type and number of accelerator cards attached to the instances
// of an instance. See [GPUs on Compute
// Engine](https://cloud.google.com/compute/docs/gpus/).
message AcceleratorConfig {
  // Full URL, partial URI, or short name of the accelerator type resource to
  // expose to this instance. See
  // [Compute Engine
  // AcceleratorTypes](https://cloud.google.com/compute/docs/reference/beta/acceleratorTypes).
  //
  // Examples:
  //
  // * `https://www.googleapis.com/compute/beta/projects/[project_id]/zones/us-east1-a/acceleratorTypes/nvidia-tesla-k80`
  // * `projects/[project_id]/zones/us-east1-a/acceleratorTypes/nvidia-tesla-k80`
  // * `nvidia-tesla-k80`
  //
  // **Auto Zone Exception**: If you are using the Dataproc
  // [Auto Zone
  // Placement](https://cloud.google.com/dataproc/docs/concepts/configuring-clusters/auto-zone#using_auto_zone_placement)
  // feature, you must use the short name of the accelerator type
  // resource, for example, `nvidia-tesla-k80`.
  string accelerator_type_uri = 1;

  // The number of the accelerator cards of this type exposed to this instance.
  int32 accelerator_count = 2;
}

// Specifies the config of disk options for a group of VM instances.
message DiskConfig {
  // Optional. Type of the boot disk (default is "pd-standard").
  // Valid values: "pd-balanced" (Persistent Disk Balanced Solid State Drive),
  // "pd-ssd" (Persistent Disk Solid State Drive),
  // or "pd-standard" (Persistent Disk Hard Disk Drive).
  // See [Disk types](https://cloud.google.com/compute/docs/disks#disk-types).
  string boot_disk_type = 3 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Size in GB of the boot disk (default is 500GB).
  int32 boot_disk_size_gb = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Number of attached SSDs, from 0 to 4 (default is 0).
  // If SSDs are not attached, the boot disk is used to store runtime logs and
  // [HDFS](https://hadoop.apache.org/docs/r1.2.1/hdfs_user_guide.html) data.
  // If one or more SSDs are attached, this runtime bulk
  // data is spread across them, and the boot disk contains only basic
  // config and installed binaries.
  int32 num_local_ssds = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Interface type of local SSDs (default is "scsi").
  // Valid values: "scsi" (Small Computer System Interface),
  // "nvme" (Non-Volatile Memory Express).
  // See [local SSD
  // performance](https://cloud.google.com/compute/docs/disks/local-ssd#performance).
  string local_ssd_interface = 4 [(google.api.field_behavior) = OPTIONAL];
}

// Specifies an executable to run on a fully configured node and a
// timeout period for executable completion.
message NodeInitializationAction {
  // Required. Cloud Storage URI of executable file.
  string executable_file = 1 [(google.api.field_behavior) = REQUIRED];

  // Optional. Amount of time executable has to complete. Default is
  // 10 minutes (see JSON representation of
  // [Duration](https://developers.google.com/protocol-buffers/docs/proto3#json)).
  //
  // Cluster creation fails with an explanatory error message (the
  // name of the executable that caused the error and the exceeded timeout
  // period) if the executable is not completed at end of the timeout period.
  google.protobuf.Duration execution_timeout = 2 [(google.api.field_behavior) = OPTIONAL];
}

// The status of a cluster and its instances.
message ClusterStatus {
  // The cluster state.
  enum State {
    // The cluster state is unknown.
    UNKNOWN = 0;

    // The cluster is being created and set up. It is not ready for use.
    CREATING = 1;

    // The cluster is currently running and healthy. It is ready for use.
    //
    // **Note:** The cluster state changes from "creating" to "running" status
    // after the master node(s), first two primary worker nodes (and the last
    // primary worker node if primary workers > 2) are running.
    RUNNING = 2;

    // The cluster encountered an error. It is not ready for use.
    ERROR = 3;

    // The cluster has encountered an error while being updated. Jobs can
    // be submitted to the cluster, but the cluster cannot be updated.
    ERROR_DUE_TO_UPDATE = 9;

    // The cluster is being deleted. It cannot be used.
    DELETING = 4;

    // The cluster is being updated. It continues to accept and process jobs.
    UPDATING = 5;

    // The cluster is being stopped. It cannot be used.
    STOPPING = 6;

    // The cluster is currently stopped. It is not ready for use.
    STOPPED = 7;

    // The cluster is being started. It is not ready for use.
    STARTING = 8;
  }

  // The cluster substate.
  enum Substate {
    // The cluster substate is unknown.
    UNSPECIFIED = 0;

    // The cluster is known to be in an unhealthy state
    // (for example, critical daemons are not running or HDFS capacity is
    // exhausted).
    //
    // Applies to RUNNING state.
    UNHEALTHY = 1;

    // The agent-reported status is out of date (may occur if
    // Dataproc loses communication with Agent).
    //
    // Applies to RUNNING state.
    STALE_STATUS = 2;
  }

  // Output only. The cluster's state.
  State state = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. Output only. Details of cluster's state.
  string detail = 2 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.field_behavior) = OPTIONAL
  ];

  // Output only. Time when this state was entered (see JSON representation of
  // [Timestamp](https://developers.google.com/protocol-buffers/docs/proto3#json)).
  google.protobuf.Timestamp state_start_time = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. Additional state information that includes
  // status reported by the agent.
  Substate substate = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Security related configuration, including encryption, Kerberos, etc.
message SecurityConfig {
  // Optional. Kerberos related configuration.
  KerberosConfig kerberos_config = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Identity related configuration, including service account based
  // secure multi-tenancy user mappings.
  IdentityConfig identity_config = 2 [(google.api.field_behavior) = OPTIONAL];
}

// Specifies Kerberos related configuration.
message KerberosConfig {
  // Optional. Flag to indicate whether to Kerberize the cluster (default: false). Set
  // this field to true to enable Kerberos on a cluster.
  bool enable_kerberos = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of a KMS encrypted file containing the root
  // principal password.
  string root_principal_password_uri = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The uri of the KMS key used to encrypt various sensitive
  // files.
  string kms_key_uri = 3 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of the keystore file used for SSL
  // encryption. If not provided, Dataproc will provide a self-signed
  // certificate.
  string keystore_uri = 4 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of the truststore file used for SSL
  // encryption. If not provided, Dataproc will provide a self-signed
  // certificate.
  string truststore_uri = 5 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of a KMS encrypted file containing the
  // password to the user provided keystore. For the self-signed certificate,
  // this password is generated by Dataproc.
  string keystore_password_uri = 6 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of a KMS encrypted file containing the
  // password to the user provided key. For the self-signed certificate, this
  // password is generated by Dataproc.
  string key_password_uri = 7 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of a KMS encrypted file containing the
  // password to the user provided truststore. For the self-signed certificate,
  // this password is generated by Dataproc.
  string truststore_password_uri = 8 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The remote realm the Dataproc on-cluster KDC will trust, should
  // the user enable cross realm trust.
  string cross_realm_trust_realm = 9 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The KDC (IP or hostname) for the remote trusted realm in a cross
  // realm trust relationship.
  string cross_realm_trust_kdc = 10 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The admin server (IP or hostname) for the remote trusted realm in
  // a cross realm trust relationship.
  string cross_realm_trust_admin_server = 11 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of a KMS encrypted file containing the
  // shared password between the on-cluster Kerberos realm and the remote
  // trusted realm, in a cross realm trust relationship.
  string cross_realm_trust_shared_password_uri = 12 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The Cloud Storage URI of a KMS encrypted file containing the
  // master key of the KDC database.
  string kdc_db_key_uri = 13 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The lifetime of the ticket granting ticket, in hours.
  // If not specified, or user specifies 0, then default value 10
  // will be used.
  int32 tgt_lifetime_hours = 14 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The name of the on-cluster Kerberos realm.
  // If not specified, the uppercased domain of hostnames will be the realm.
  string realm = 15 [(google.api.field_behavior) = OPTIONAL];
}

// Identity related configuration, including service account based
// secure multi-tenancy user mappings.
message IdentityConfig {
  // Required. Map of user to service account.
  map<string, string> user_service_account_mapping = 1 [(google.api.field_behavior) = REQUIRED];
}

// Specifies the selection and config of software inside the cluster.
message SoftwareConfig {
  // Optional. The version of software inside the cluster. It must be one of the
  // supported [Dataproc
  // Versions](https://cloud.google.com/dataproc/docs/concepts/versioning/dataproc-versions#supported_dataproc_versions),
  // such as "1.2" (including a subminor version, such as "1.2.29"), or the
  // ["preview"
  // version](https://cloud.google.com/dataproc/docs/concepts/versioning/dataproc-versions#other_versions).
  // If unspecified, it defaults to the latest Debian version.
  string image_version = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The properties to set on daemon config files.
  //
  // Property keys are specified in `prefix:property` format, for example
  // `core:hadoop.tmp.dir`. The following are supported prefixes
  // and their mappings:
  //
  // * capacity-scheduler: `capacity-scheduler.xml`
  // * core:   `core-site.xml`
  // * distcp: `distcp-default.xml`
  // * hdfs:   `hdfs-site.xml`
  // * hive:   `hive-site.xml`
  // * mapred: `mapred-site.xml`
  // * pig:    `pig.properties`
  // * spark:  `spark-defaults.conf`
  // * yarn:   `yarn-site.xml`
  //
  // For more information, see [Cluster
  // properties](https://cloud.google.com/dataproc/docs/concepts/cluster-properties).
  map<string, string> properties = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The set of components to activate on the cluster.
  repeated Component optional_components = 3 [(google.api.field_behavior) = OPTIONAL];
}

// Specifies the cluster auto-delete schedule configuration.
message LifecycleConfig {
  // Optional. The duration to keep the cluster alive while idling (when no jobs
  // are running). Passing this threshold will cause the cluster to be
  // deleted. Minimum value is 5 minutes; maximum value is 14 days (see JSON
  // representation of
  // [Duration](https://developers.google.com/protocol-buffers/docs/proto3#json)).
  google.protobuf.Duration idle_delete_ttl = 1 [(google.api.field_behavior) = OPTIONAL];

  // Either the exact time the cluster should be deleted at or
  // the cluster maximum age.
  oneof ttl {
    // Optional. The time when cluster will be auto-deleted (see JSON representation of
    // [Timestamp](https://developers.google.com/protocol-buffers/docs/proto3#json)).
    google.protobuf.Timestamp auto_delete_time = 2 [(google.api.field_behavior) = OPTIONAL];

    // Optional. The lifetime duration of cluster. The cluster will be
    // auto-deleted at the end of this period. Minimum value is 10 minutes;
    // maximum value is 14 days (see JSON representation of
    // [Duration](https://developers.google.com/protocol-buffers/docs/proto3#json)).
    google.protobuf.Duration auto_delete_ttl = 3 [(google.api.field_behavior) = OPTIONAL];
  }

  // Output only. The time when cluster became idle (most recent job finished)
  // and became eligible for deletion due to idleness (see JSON representation
  // of
  // [Timestamp](https://developers.google.com/protocol-buffers/docs/proto3#json)).
  google.protobuf.Timestamp idle_start_time = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Specifies a Metastore configuration.
message MetastoreConfig {
  // Required. Resource name of an existing Dataproc Metastore service.
  //
  // Example:
  //
  // * `projects/[project_id]/locations/[dataproc_region]/services/[service-name]`
  string dataproc_metastore_service = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "metastore.googleapis.com/Service"
    }
  ];
}


// Dataproc metric config.
message DataprocMetricConfig {
  // A source for the collection of Dataproc OSS metrics (see [available OSS
  // metrics]
  // (https://cloud.google.com//dataproc/docs/guides/monitoring#available_oss_metrics)).
  enum MetricSource {
    // Required unspecified metric source.
    METRIC_SOURCE_UNSPECIFIED = 0;

    // Default monitoring agent metrics. If this source is enabled,
    // Dataproc enables the monitoring agent in Compute Engine,
    // and collects default monitoring agent metrics, which are published
    // with an `agent.googleapis.com` prefix.
    MONITORING_AGENT_DEFAULTS = 1;

    // HDFS metric source.
    HDFS = 2;

    // Spark metric source.
    SPARK = 3;

    // YARN metric source.
    YARN = 4;

    // Spark History Server metric source.
    SPARK_HISTORY_SERVER = 5;

    // Hiveserver2 metric source.
    HIVESERVER2 = 6;
  }

  // A Dataproc OSS metric.
  message Metric {
    // Required. Default metrics are collected unless `metricOverrides` are
    // specified for the metric source (see [Available OSS metrics]
    // (https://cloud.google.com/dataproc/docs/guides/monitoring#available_oss_metrics)
    // for more information).
    MetricSource metric_source = 1 [(google.api.field_behavior) = REQUIRED];

    // Optional. Specify one or more [available OSS metrics]
    // (https://cloud.google.com/dataproc/docs/guides/monitoring#available_oss_metrics)
    // to collect for the metric course (for the `SPARK` metric source, any
    // [Spark metric]
    // (https://spark.apache.org/docs/latest/monitoring.html#metrics) can be
    // specified).
    //
    // Provide metrics in the following format:
    // <code><var>METRIC_SOURCE</var>:<var>INSTANCE</var>:<var>GROUP</var>:<var>METRIC</var></code>
    // Use camelcase as appropriate.
    //
    // Examples:
    //
    // ```
    // yarn:ResourceManager:QueueMetrics:AppsCompleted
    // spark:driver:DAGScheduler:job.allJobs
    // sparkHistoryServer:JVM:Memory:NonHeapMemoryUsage.committed
    // hiveserver2:JVM:Memory:NonHeapMemoryUsage.used
    // ```
    //
    // Notes:
    //
    // * Only the specified overridden metrics will be collected for the
    //   metric source. For example, if one or more `spark:executive` metrics
    //   are listed as metric overrides, other `SPARK` metrics will not be
    //   collected. The collection of the default metrics for other OSS metric
    //   sources is unaffected. For example, if both `SPARK` andd `YARN` metric
    //   sources are enabled, and overrides are provided for Spark metrics only,
    //   all default YARN metrics will be collected.
    repeated string metric_overrides = 2 [(google.api.field_behavior) = OPTIONAL];
  }

  // Required. Metrics sources to enable.
  repeated Metric metrics = 1 [(google.api.field_behavior) = REQUIRED];
}

// Contains cluster daemon metrics, such as HDFS and YARN stats.
//
// **Beta Feature**: This report is available for testing purposes only. It may
// be changed before final release.
message ClusterMetrics {
  // The HDFS metrics.
  map<string, int64> hdfs_metrics = 1;

  // The YARN metrics.
  map<string, int64> yarn_metrics = 2;
}

// A request to create a cluster.
message CreateClusterRequest {
  // Required. The ID of the Google Cloud Platform project that the cluster
  // belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 3 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster to create.
  Cluster cluster = 2 [(google.api.field_behavior) = REQUIRED];

  // Optional. A unique ID used to identify the request. If the server receives two
  // [CreateClusterRequest](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#google.cloud.dataproc.v1.CreateClusterRequest)s
  // with the same id, then the second request will be ignored and the
  // first [google.longrunning.Operation][google.longrunning.Operation] created and stored in the backend
  // is returned.
  //
  // It is recommended to always set this value to a
  // [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier).
  //
  // The ID must contain only letters (a-z, A-Z), numbers (0-9),
  // underscores (_), and hyphens (-). The maximum length is 40 characters.
  string request_id = 4 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Failure action when primary worker creation fails.
  FailureAction action_on_failed_primary_workers = 5 [(google.api.field_behavior) = OPTIONAL];
}

// A request to update a cluster.
message UpdateClusterRequest {
  // Required. The ID of the Google Cloud Platform project the
  // cluster belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 5 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster name.
  string cluster_name = 2 [(google.api.field_behavior) = REQUIRED];

  // Required. The changes to the cluster.
  Cluster cluster = 3 [(google.api.field_behavior) = REQUIRED];

  // Optional. Timeout for graceful YARN decomissioning. Graceful
  // decommissioning allows removing nodes from the cluster without
  // interrupting jobs in progress. Timeout specifies how long to wait for jobs
  // in progress to finish before forcefully removing nodes (and potentially
  // interrupting jobs). Default timeout is 0 (for forceful decommission), and
  // the maximum allowed timeout is 1 day. (see JSON representation of
  // [Duration](https://developers.google.com/protocol-buffers/docs/proto3#json)).
  //
  // Only supported on Dataproc image versions 1.2 and higher.
  google.protobuf.Duration graceful_decommission_timeout = 6 [(google.api.field_behavior) = OPTIONAL];

  // Required. Specifies the path, relative to `Cluster`, of
  // the field to update. For example, to change the number of workers
  // in a cluster to 5, the `update_mask` parameter would be
  // specified as `config.worker_config.num_instances`,
  // and the `PATCH` request body would specify the new value, as follows:
  //
  //     {
  //       "config":{
  //         "workerConfig":{
  //           "numInstances":"5"
  //         }
  //       }
  //     }
  // Similarly, to change the number of preemptible workers in a cluster to 5,
  // the `update_mask` parameter would be
  // `config.secondary_worker_config.num_instances`, and the `PATCH` request
  // body would be set as follows:
  //
  //     {
  //       "config":{
  //         "secondaryWorkerConfig":{
  //           "numInstances":"5"
  //         }
  //       }
  //     }
  // <strong>Note:</strong> Currently, only the following fields can be updated:
  //
  //  <table>
  //  <tbody>
  //  <tr>
  //  <td><strong>Mask</strong></td>
  //  <td><strong>Purpose</strong></td>
  //  </tr>
  //  <tr>
  //  <td><strong><em>labels</em></strong></td>
  //  <td>Update labels</td>
  //  </tr>
  //  <tr>
  //  <td><strong><em>config.worker_config.num_instances</em></strong></td>
  //  <td>Resize primary worker group</td>
  //  </tr>
  //  <tr>
  //  <td><strong><em>config.secondary_worker_config.num_instances</em></strong></td>
  //  <td>Resize secondary worker group</td>
  //  </tr>
  //  <tr>
  //  <td>config.autoscaling_config.policy_uri</td><td>Use, stop using, or
  //  change autoscaling policies</td>
  //  </tr>
  //  </tbody>
  //  </table>
  google.protobuf.FieldMask update_mask = 4 [(google.api.field_behavior) = REQUIRED];

  // Optional. A unique ID used to identify the request. If the server
  // receives two
  // [UpdateClusterRequest](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#google.cloud.dataproc.v1.UpdateClusterRequest)s
  // with the same id, then the second request will be ignored and the
  // first [google.longrunning.Operation][google.longrunning.Operation] created and stored in the
  // backend is returned.
  //
  // It is recommended to always set this value to a
  // [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier).
  //
  // The ID must contain only letters (a-z, A-Z), numbers (0-9),
  // underscores (_), and hyphens (-). The maximum length is 40 characters.
  string request_id = 7 [(google.api.field_behavior) = OPTIONAL];
}

// A request to stop a cluster.
message StopClusterRequest {
  // Required. The ID of the Google Cloud Platform project the
  // cluster belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 2 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster name.
  string cluster_name = 3 [(google.api.field_behavior) = REQUIRED];

  // Optional. Specifying the `cluster_uuid` means the RPC will fail
  // (with error NOT_FOUND) if a cluster with the specified UUID does not exist.
  string cluster_uuid = 4 [(google.api.field_behavior) = OPTIONAL];

  // Optional. A unique ID used to identify the request. If the server
  // receives two
  // [StopClusterRequest](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#google.cloud.dataproc.v1.StopClusterRequest)s
  // with the same id, then the second request will be ignored and the
  // first [google.longrunning.Operation][google.longrunning.Operation] created and stored in the
  // backend is returned.
  //
  // Recommendation: Set this value to a
  // [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier).
  //
  // The ID must contain only letters (a-z, A-Z), numbers (0-9),
  // underscores (_), and hyphens (-). The maximum length is 40 characters.
  string request_id = 5 [(google.api.field_behavior) = OPTIONAL];
}

// A request to start a cluster.
message StartClusterRequest {
  // Required. The ID of the Google Cloud Platform project the
  // cluster belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 2 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster name.
  string cluster_name = 3 [(google.api.field_behavior) = REQUIRED];

  // Optional. Specifying the `cluster_uuid` means the RPC will fail
  // (with error NOT_FOUND) if a cluster with the specified UUID does not exist.
  string cluster_uuid = 4 [(google.api.field_behavior) = OPTIONAL];

  // Optional. A unique ID used to identify the request. If the server
  // receives two
  // [StartClusterRequest](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#google.cloud.dataproc.v1.StartClusterRequest)s
  // with the same id, then the second request will be ignored and the
  // first [google.longrunning.Operation][google.longrunning.Operation] created and stored in the
  // backend is returned.
  //
  // Recommendation: Set this value to a
  // [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier).
  //
  // The ID must contain only letters (a-z, A-Z), numbers (0-9),
  // underscores (_), and hyphens (-). The maximum length is 40 characters.
  string request_id = 5 [(google.api.field_behavior) = OPTIONAL];
}

// A request to delete a cluster.
message DeleteClusterRequest {
  // Required. The ID of the Google Cloud Platform project that the cluster
  // belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 3 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster name.
  string cluster_name = 2 [(google.api.field_behavior) = REQUIRED];

  // Optional. Specifying the `cluster_uuid` means the RPC should fail
  // (with error NOT_FOUND) if cluster with specified UUID does not exist.
  string cluster_uuid = 4 [(google.api.field_behavior) = OPTIONAL];

  // Optional. A unique ID used to identify the request. If the server
  // receives two
  // [DeleteClusterRequest](https://cloud.google.com/dataproc/docs/reference/rpc/google.cloud.dataproc.v1#google.cloud.dataproc.v1.DeleteClusterRequest)s
  // with the same id, then the second request will be ignored and the
  // first [google.longrunning.Operation][google.longrunning.Operation] created and stored in the
  // backend is returned.
  //
  // It is recommended to always set this value to a
  // [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier).
  //
  // The ID must contain only letters (a-z, A-Z), numbers (0-9),
  // underscores (_), and hyphens (-). The maximum length is 40 characters.
  string request_id = 5 [(google.api.field_behavior) = OPTIONAL];
}

// Request to get the resource representation for a cluster in a project.
message GetClusterRequest {
  // Required. The ID of the Google Cloud Platform project that the cluster
  // belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 3 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster name.
  string cluster_name = 2 [(google.api.field_behavior) = REQUIRED];
}

// A request to list the clusters in a project.
message ListClustersRequest {
  // Required. The ID of the Google Cloud Platform project that the cluster
  // belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 4 [(google.api.field_behavior) = REQUIRED];

  // Optional. A filter constraining the clusters to list. Filters are
  // case-sensitive and have the following syntax:
  //
  // field = value [AND [field = value]] ...
  //
  // where **field** is one of `status.state`, `clusterName`, or `labels.[KEY]`,
  // and `[KEY]` is a label key. **value** can be `*` to match all values.
  // `status.state` can be one of the following: `ACTIVE`, `INACTIVE`,
  // `CREATING`, `RUNNING`, `ERROR`, `DELETING`, or `UPDATING`. `ACTIVE`
  // contains the `CREATING`, `UPDATING`, and `RUNNING` states. `INACTIVE`
  // contains the `DELETING` and `ERROR` states.
  // `clusterName` is the name of the cluster provided at creation time.
  // Only the logical `AND` operator is supported; space-separated items are
  // treated as having an implicit `AND` operator.
  //
  // Example filter:
  //
  // status.state = ACTIVE AND clusterName = mycluster
  // AND labels.env = staging AND labels.starred = *
  string filter = 5 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The standard List page size.
  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The standard List page token.
  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
}

// The list of all clusters in a project.
message ListClustersResponse {
  // Output only. The clusters in the project.
  repeated Cluster clusters = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. This token is included in the response if there are more
  // results to fetch. To fetch additional results, provide this value as the
  // `page_token` in a subsequent `ListClustersRequest`.
  string next_page_token = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// A request to collect cluster diagnostic information.
message DiagnoseClusterRequest {
  // Required. The ID of the Google Cloud Platform project that the cluster
  // belongs to.
  string project_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The Dataproc region in which to handle the request.
  string region = 3 [(google.api.field_behavior) = REQUIRED];

  // Required. The cluster name.
  string cluster_name = 2 [(google.api.field_behavior) = REQUIRED];
}

// The location of diagnostic output.
message DiagnoseClusterResults {
  // Output only. The Cloud Storage URI of the diagnostic output.
  // The output report is a plain text file with a summary of collected
  // diagnostics.
  string output_uri = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Reservation Affinity for consuming Zonal reservation.
message ReservationAffinity {
  // Indicates whether to consume capacity from an reservation or not.
  enum Type {
    TYPE_UNSPECIFIED = 0;

    // Do not consume from any allocated capacity.
    NO_RESERVATION = 1;

    // Consume any reservation available.
    ANY_RESERVATION = 2;

    // Must consume from a specific reservation. Must specify key value fields
    // for specifying the reservations.
    SPECIFIC_RESERVATION = 3;
  }

  // Optional. Type of reservation to consume
  Type consume_reservation_type = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Corresponds to the label key of reservation resource.
  string key = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Corresponds to the label values of reservation resource.
  repeated string values = 3 [(google.api.field_behavior) = OPTIONAL];
}