// 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.dataflow.v1beta3;

import "google/api/annotations.proto";
import "google/api/client.proto";
import "google/dataflow/v1beta3/environment.proto";
import "google/dataflow/v1beta3/snapshots.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";

option csharp_namespace = "Google.Cloud.Dataflow.V1Beta3";
option go_package = "google.golang.org/genproto/googleapis/dataflow/v1beta3;dataflow";
option java_multiple_files = true;
option java_outer_classname = "JobsProto";
option java_package = "com.google.dataflow.v1beta3";
option php_namespace = "Google\\Cloud\\Dataflow\\V1beta3";
option ruby_package = "Google::Cloud::Dataflow::V1beta3";

// Provides a method to create and modify Google Cloud Dataflow jobs.
// A Job is a multi-stage computation graph run by the Cloud Dataflow service.
service JobsV1Beta3 {
  option (google.api.default_host) = "dataflow.googleapis.com";
  option (google.api.oauth_scopes) =
      "https://www.googleapis.com/auth/cloud-platform,"
      "https://www.googleapis.com/auth/compute,"
      "https://www.googleapis.com/auth/compute.readonly,"
      "https://www.googleapis.com/auth/userinfo.email";

  // Creates a Cloud Dataflow job.
  //
  // To create a job, we recommend using `projects.locations.jobs.create` with a
  // [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints). Using
  // `projects.jobs.create` is not recommended, as your job will always start
  // in `us-central1`.
  rpc CreateJob(CreateJobRequest) returns (Job) {
    option (google.api.http) = {
      post: "/v1b3/projects/{project_id}/locations/{location}/jobs"
      body: "job"
      additional_bindings {
        post: "/v1b3/projects/{project_id}/jobs"
        body: "job"
      }
    };
  }

  // Gets the state of the specified Cloud Dataflow job.
  //
  // To get the state of a job, we recommend using `projects.locations.jobs.get`
  // with a [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints). Using
  // `projects.jobs.get` is not recommended, as you can only get the state of
  // jobs that are running in `us-central1`.
  rpc GetJob(GetJobRequest) returns (Job) {
    option (google.api.http) = {
      get: "/v1b3/projects/{project_id}/locations/{location}/jobs/{job_id}"
      additional_bindings {
        get: "/v1b3/projects/{project_id}/jobs/{job_id}"
      }
    };
  }

  // Updates the state of an existing Cloud Dataflow job.
  //
  // To update the state of an existing job, we recommend using
  // `projects.locations.jobs.update` with a [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints). Using
  // `projects.jobs.update` is not recommended, as you can only update the state
  // of jobs that are running in `us-central1`.
  rpc UpdateJob(UpdateJobRequest) returns (Job) {
    option (google.api.http) = {
      put: "/v1b3/projects/{project_id}/locations/{location}/jobs/{job_id}"
      body: "job"
      additional_bindings {
        put: "/v1b3/projects/{project_id}/jobs/{job_id}"
        body: "job"
      }
    };
  }

  // List the jobs of a project.
  //
  // To list the jobs of a project in a region, we recommend using
  // `projects.locations.jobs.list` with a [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints). To
  // list the all jobs across all regions, use `projects.jobs.aggregated`. Using
  // `projects.jobs.list` is not recommended, as you can only get the list of
  // jobs that are running in `us-central1`.
  rpc ListJobs(ListJobsRequest) returns (ListJobsResponse) {
    option (google.api.http) = {
      get: "/v1b3/projects/{project_id}/locations/{location}/jobs"
      additional_bindings {
        get: "/v1b3/projects/{project_id}/jobs"
      }
    };
  }

  // List the jobs of a project across all regions.
  rpc AggregatedListJobs(ListJobsRequest) returns (ListJobsResponse) {
    option (google.api.http) = {
      get: "/v1b3/projects/{project_id}/jobs:aggregated"
    };
  }

  // Check for existence of active jobs in the given project across all regions.
  rpc CheckActiveJobs(CheckActiveJobsRequest) returns (CheckActiveJobsResponse) {
  }

  // Snapshot the state of a streaming job.
  rpc SnapshotJob(SnapshotJobRequest) returns (Snapshot) {
    option (google.api.http) = {
      post: "/v1b3/projects/{project_id}/locations/{location}/jobs/{job_id}:snapshot"
      body: "*"
      additional_bindings {
        post: "/v1b3/projects/{project_id}/jobs/{job_id}:snapshot"
        body: "*"
      }
    };
  }
}

// Defines a job to be run by the Cloud Dataflow service.
message Job {
  // The unique ID of this job.
  //
  // This field is set by the Cloud Dataflow service when the Job is
  // created, and is immutable for the life of the job.
  string id = 1;

  // The ID of the Cloud Platform project that the job belongs to.
  string project_id = 2;

  // The user-specified Cloud Dataflow job name.
  //
  // Only one Job with a given name may exist in a project at any
  // given time. If a caller attempts to create a Job with the same
  // name as an already-existing Job, the attempt returns the
  // existing Job.
  //
  // The name must match the regular expression
  // `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
  string name = 3;

  // The type of Cloud Dataflow job.
  JobType type = 4;

  // The environment for the job.
  Environment environment = 5;

  // Exactly one of step or steps_location should be specified.
  //
  // The top-level steps that constitute the entire job. Only retrieved with
  // JOB_VIEW_ALL.
  repeated Step steps = 6;

  // The Cloud Storage location where the steps are stored.
  string steps_location = 24;

  // The current state of the job.
  //
  // Jobs are created in the `JOB_STATE_STOPPED` state unless otherwise
  // specified.
  //
  // A job in the `JOB_STATE_RUNNING` state may asynchronously enter a
  // terminal state. After a job has reached a terminal state, no
  // further state updates may be made.
  //
  // This field may be mutated by the Cloud Dataflow service;
  // callers cannot mutate it.
  JobState current_state = 7;

  // The timestamp associated with the current state.
  google.protobuf.Timestamp current_state_time = 8;

  // The job's requested state.
  //
  // `UpdateJob` may be used to switch between the `JOB_STATE_STOPPED` and
  // `JOB_STATE_RUNNING` states, by setting requested_state.  `UpdateJob` may
  // also be used to directly set a job's requested state to
  // `JOB_STATE_CANCELLED` or `JOB_STATE_DONE`, irrevocably terminating the
  // job if it has not already reached a terminal state.
  JobState requested_state = 9;

  // Deprecated.
  JobExecutionInfo execution_info = 10;

  // The timestamp when the job was initially created. Immutable and set by the
  // Cloud Dataflow service.
  google.protobuf.Timestamp create_time = 11;

  // If this job is an update of an existing job, this field is the job ID
  // of the job it replaced.
  //
  // When sending a `CreateJobRequest`, you can update a job by specifying it
  // here. The job named here is stopped, and its intermediate state is
  // transferred to this job.
  string replace_job_id = 12;

  // The map of transform name prefixes of the job to be replaced to the
  // corresponding name prefixes of the new job.
  map<string, string> transform_name_mapping = 13;

  // The client's unique identifier of the job, re-used across retried attempts.
  // If this field is set, the service will ensure its uniqueness.
  // The request to create a job will fail if the service has knowledge of a
  // previously submitted job with the same client's ID and job name.
  // The caller may use this field to ensure idempotence of job
  // creation across retried attempts to create a job.
  // By default, the field is empty and, in that case, the service ignores it.
  string client_request_id = 14;

  // If another job is an update of this job (and thus, this job is in
  // `JOB_STATE_UPDATED`), this field contains the ID of that job.
  string replaced_by_job_id = 15;

  // A set of files the system should be aware of that are used
  // for temporary storage. These temporary files will be
  // removed on job completion.
  // No duplicates are allowed.
  // No file patterns are supported.
  //
  // The supported files are:
  //
  // Google Cloud Storage:
  //
  //    storage.googleapis.com/{bucket}/{object}
  //    bucket.storage.googleapis.com/{object}
  repeated string temp_files = 16;

  // User-defined labels for this job.
  //
  // The labels map can contain no more than 64 entries.  Entries of the labels
  // map are UTF8 strings that comply with the following restrictions:
  //
  // * Keys must conform to regexp:  [\p{Ll}\p{Lo}][\p{Ll}\p{Lo}\p{N}_-]{0,62}
  // * Values must conform to regexp:  [\p{Ll}\p{Lo}\p{N}_-]{0,63}
  // * Both keys and values are additionally constrained to be <= 128 bytes in
  // size.
  map<string, string> labels = 17;

  // The [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) that
  // contains this job.
  string location = 18;

  // Preliminary field: The format of this data may change at any time.
  // A description of the user pipeline and stages through which it is executed.
  // Created by Cloud Dataflow service.  Only retrieved with
  // JOB_VIEW_DESCRIPTION or JOB_VIEW_ALL.
  PipelineDescription pipeline_description = 19;

  // This field may be mutated by the Cloud Dataflow service;
  // callers cannot mutate it.
  repeated ExecutionStageState stage_states = 20;

  // This field is populated by the Dataflow service to support filtering jobs
  // by the metadata values provided here. Populated for ListJobs and all GetJob
  // views SUMMARY and higher.
  JobMetadata job_metadata = 21;

  // The timestamp when the job was started (transitioned to JOB_STATE_PENDING).
  // Flexible resource scheduling jobs are started with some delay after job
  // creation, so start_time is unset before start and is updated when the
  // job is started by the Cloud Dataflow service. For other jobs, start_time
  // always equals to create_time and is immutable and set by the Cloud Dataflow
  // service.
  google.protobuf.Timestamp start_time = 22;

  // If this is specified, the job's initial state is populated from the given
  // snapshot.
  string created_from_snapshot_id = 23;

  // Reserved for future use. This field is set only in responses from the
  // server; it is ignored if it is set in any requests.
  bool satisfies_pzs = 25;
}

// Metadata for a Datastore connector used by the job.
message DatastoreIODetails {
  // Namespace used in the connection.
  string namespace = 1;

  // ProjectId accessed in the connection.
  string project_id = 2;
}

// Metadata for a Pub/Sub connector used by the job.
message PubSubIODetails {
  // Topic accessed in the connection.
  string topic = 1;

  // Subscription used in the connection.
  string subscription = 2;
}

// Metadata for a File connector used by the job.
message FileIODetails {
  // File Pattern used to access files by the connector.
  string file_pattern = 1;
}

// Metadata for a Cloud Bigtable connector used by the job.
message BigTableIODetails {
  // ProjectId accessed in the connection.
  string project_id = 1;

  // InstanceId accessed in the connection.
  string instance_id = 2;

  // TableId accessed in the connection.
  string table_id = 3;
}

// Metadata for a BigQuery connector used by the job.
message BigQueryIODetails {
  // Table accessed in the connection.
  string table = 1;

  // Dataset accessed in the connection.
  string dataset = 2;

  // Project accessed in the connection.
  string project_id = 3;

  // Query used to access data in the connection.
  string query = 4;
}

// Metadata for a Spanner connector used by the job.
message SpannerIODetails {
  // ProjectId accessed in the connection.
  string project_id = 1;

  // InstanceId accessed in the connection.
  string instance_id = 2;

  // DatabaseId accessed in the connection.
  string database_id = 3;
}

// The version of the SDK used to run the job.
message SdkVersion {
  // The support status of the SDK used to run the job.
  enum SdkSupportStatus {
    // Cloud Dataflow is unaware of this version.
    UNKNOWN = 0;

    // This is a known version of an SDK, and is supported.
    SUPPORTED = 1;

    // A newer version of the SDK family exists, and an update is recommended.
    STALE = 2;

    // This version of the SDK is deprecated and will eventually be
    // unsupported.
    DEPRECATED = 3;

    // Support for this SDK version has ended and it should no longer be used.
    UNSUPPORTED = 4;
  }

  // The version of the SDK used to run the job.
  string version = 1;

  // A readable string describing the version of the SDK.
  string version_display_name = 2;

  // The support status for this SDK version.
  SdkSupportStatus sdk_support_status = 3;
}

// Metadata available primarily for filtering jobs. Will be included in the
// ListJob response and Job SUMMARY view.
message JobMetadata {
  // The SDK version used to run the job.
  SdkVersion sdk_version = 1;

  // Identification of a Spanner source used in the Dataflow job.
  repeated SpannerIODetails spanner_details = 2;

  // Identification of a BigQuery source used in the Dataflow job.
  repeated BigQueryIODetails bigquery_details = 3;

  // Identification of a Cloud Bigtable source used in the Dataflow job.
  repeated BigTableIODetails big_table_details = 4;

  // Identification of a Pub/Sub source used in the Dataflow job.
  repeated PubSubIODetails pubsub_details = 5;

  // Identification of a File source used in the Dataflow job.
  repeated FileIODetails file_details = 6;

  // Identification of a Datastore source used in the Dataflow job.
  repeated DatastoreIODetails datastore_details = 7;
}

// A message describing the state of a particular execution stage.
message ExecutionStageState {
  // The name of the execution stage.
  string execution_stage_name = 1;

  // Executions stage states allow the same set of values as JobState.
  JobState execution_stage_state = 2;

  // The time at which the stage transitioned to this state.
  google.protobuf.Timestamp current_state_time = 3;
}

// A descriptive representation of submitted pipeline as well as the executed
// form.  This data is provided by the Dataflow service for ease of visualizing
// the pipeline and interpreting Dataflow provided metrics.
message PipelineDescription {
  // Description of each transform in the pipeline and collections between them.
  repeated TransformSummary original_pipeline_transform = 1;

  // Description of each stage of execution of the pipeline.
  repeated ExecutionStageSummary execution_pipeline_stage = 2;

  // Pipeline level display data.
  repeated DisplayData display_data = 3;
}

// Type of transform or stage operation.
enum KindType {
  // Unrecognized transform type.
  UNKNOWN_KIND = 0;

  // ParDo transform.
  PAR_DO_KIND = 1;

  // Group By Key transform.
  GROUP_BY_KEY_KIND = 2;

  // Flatten transform.
  FLATTEN_KIND = 3;

  // Read transform.
  READ_KIND = 4;

  // Write transform.
  WRITE_KIND = 5;

  // Constructs from a constant value, such as with Create.of.
  CONSTANT_KIND = 6;

  // Creates a Singleton view of a collection.
  SINGLETON_KIND = 7;

  // Opening or closing a shuffle session, often as part of a GroupByKey.
  SHUFFLE_KIND = 8;
}

// Description of the type, names/ids, and input/outputs for a transform.
message TransformSummary {
  // Type of transform.
  KindType kind = 1;

  // SDK generated id of this transform instance.
  string id = 2;

  // User provided name for this transform instance.
  string name = 3;

  // Transform-specific display data.
  repeated DisplayData display_data = 4;

  // User  names for all collection outputs to this transform.
  repeated string output_collection_name = 5;

  // User names for all collection inputs to this transform.
  repeated string input_collection_name = 6;
}

// Description of the composing transforms, names/ids, and input/outputs of a
// stage of execution.  Some composing transforms and sources may have been
// generated by the Dataflow service during execution planning.
message ExecutionStageSummary {
  // Description of an input or output of an execution stage.
  message StageSource {
    // Human-readable name for this source; may be user or system generated.
    string user_name = 1;

    // Dataflow service generated name for this source.
    string name = 2;

    // User name for the original user transform or collection with which this
    // source is most closely associated.
    string original_transform_or_collection = 3;

    // Size of the source, if measurable.
    int64 size_bytes = 4;
  }

  // Description of a transform executed as part of an execution stage.
  message ComponentTransform {
    // Human-readable name for this transform; may be user or system generated.
    string user_name = 1;

    // Dataflow service generated name for this source.
    string name = 2;

    // User name for the original user transform with which this transform is
    // most closely associated.
    string original_transform = 3;
  }

  // Description of an interstitial value between transforms in an execution
  // stage.
  message ComponentSource {
    // Human-readable name for this transform; may be user or system generated.
    string user_name = 1;

    // Dataflow service generated name for this source.
    string name = 2;

    // User name for the original user transform or collection with which this
    // source is most closely associated.
    string original_transform_or_collection = 3;
  }

  // Dataflow service generated name for this stage.
  string name = 1;

  // Dataflow service generated id for this stage.
  string id = 2;

  // Type of transform this stage is executing.
  KindType kind = 3;

  // Input sources for this stage.
  repeated StageSource input_source = 4;

  // Output sources for this stage.
  repeated StageSource output_source = 5;

  // Other stages that must complete before this stage can run.
  repeated string prerequisite_stage = 8;

  // Transforms that comprise this execution stage.
  repeated ComponentTransform component_transform = 6;

  // Collections produced and consumed by component transforms of this stage.
  repeated ComponentSource component_source = 7;
}

// Data provided with a pipeline or transform to provide descriptive info.
message DisplayData {
  // The key identifying the display data.
  // This is intended to be used as a label for the display data
  // when viewed in a dax monitoring system.
  string key = 1;

  // The namespace for the key. This is usually a class name or programming
  // language namespace (i.e. python module) which defines the display data.
  // This allows a dax monitoring system to specially handle the data
  // and perform custom rendering.
  string namespace = 2;

  // Various value types which can be used for display data.  Only one will be
  // set.
  oneof Value {
    // Contains value if the data is of string type.
    string str_value = 4;

    // Contains value if the data is of int64 type.
    int64 int64_value = 5;

    // Contains value if the data is of float type.
    float float_value = 6;

    // Contains value if the data is of java class type.
    string java_class_value = 7;

    // Contains value if the data is of timestamp type.
    google.protobuf.Timestamp timestamp_value = 8;

    // Contains value if the data is of duration type.
    google.protobuf.Duration duration_value = 9;

    // Contains value if the data is of a boolean type.
    bool bool_value = 10;
  }

  // A possible additional shorter value to display.
  // For example a java_class_name_value of com.mypackage.MyDoFn
  // will be stored with MyDoFn as the short_str_value and
  // com.mypackage.MyDoFn as the java_class_name value.
  // short_str_value can be displayed and java_class_name_value
  // will be displayed as a tooltip.
  string short_str_value = 11;

  // An optional full URL.
  string url = 12;

  // An optional label to display in a dax UI for the element.
  string label = 13;
}

// Defines a particular step within a Cloud Dataflow job.
//
// A job consists of multiple steps, each of which performs some
// specific operation as part of the overall job.  Data is typically
// passed from one step to another as part of the job.
//
// Here's an example of a sequence of steps which together implement a
// Map-Reduce job:
//
//   * Read a collection of data from some source, parsing the
//     collection's elements.
//
//   * Validate the elements.
//
//   * Apply a user-defined function to map each element to some value
//     and extract an element-specific key value.
//
//   * Group elements with the same key into a single element with
//     that key, transforming a multiply-keyed collection into a
//     uniquely-keyed collection.
//
//   * Write the elements out to some data sink.
//
// Note that the Cloud Dataflow service may be used to run many different
// types of jobs, not just Map-Reduce.
message Step {
  // The kind of step in the Cloud Dataflow job.
  string kind = 1;

  // The name that identifies the step. This must be unique for each
  // step with respect to all other steps in the Cloud Dataflow job.
  string name = 2;

  // Named properties associated with the step. Each kind of
  // predefined step has its own required set of properties.
  // Must be provided on Create.  Only retrieved with JOB_VIEW_ALL.
  google.protobuf.Struct properties = 3;
}

// Describes the overall state of a [google.dataflow.v1beta3.Job][google.dataflow.v1beta3.Job].
enum JobState {
  // The job's run state isn't specified.
  JOB_STATE_UNKNOWN = 0;

  // `JOB_STATE_STOPPED` indicates that the job has not
  // yet started to run.
  JOB_STATE_STOPPED = 1;

  // `JOB_STATE_RUNNING` indicates that the job is currently running.
  JOB_STATE_RUNNING = 2;

  // `JOB_STATE_DONE` indicates that the job has successfully completed.
  // This is a terminal job state.  This state may be set by the Cloud Dataflow
  // service, as a transition from `JOB_STATE_RUNNING`. It may also be set via a
  // Cloud Dataflow `UpdateJob` call, if the job has not yet reached a terminal
  // state.
  JOB_STATE_DONE = 3;

  // `JOB_STATE_FAILED` indicates that the job has failed.  This is a
  // terminal job state.  This state may only be set by the Cloud Dataflow
  // service, and only as a transition from `JOB_STATE_RUNNING`.
  JOB_STATE_FAILED = 4;

  // `JOB_STATE_CANCELLED` indicates that the job has been explicitly
  // cancelled. This is a terminal job state. This state may only be
  // set via a Cloud Dataflow `UpdateJob` call, and only if the job has not
  // yet reached another terminal state.
  JOB_STATE_CANCELLED = 5;

  // `JOB_STATE_UPDATED` indicates that the job was successfully updated,
  // meaning that this job was stopped and another job was started, inheriting
  // state from this one. This is a terminal job state. This state may only be
  // set by the Cloud Dataflow service, and only as a transition from
  // `JOB_STATE_RUNNING`.
  JOB_STATE_UPDATED = 6;

  // `JOB_STATE_DRAINING` indicates that the job is in the process of draining.
  // A draining job has stopped pulling from its input sources and is processing
  // any data that remains in-flight. This state may be set via a Cloud Dataflow
  // `UpdateJob` call, but only as a transition from `JOB_STATE_RUNNING`. Jobs
  // that are draining may only transition to `JOB_STATE_DRAINED`,
  // `JOB_STATE_CANCELLED`, or `JOB_STATE_FAILED`.
  JOB_STATE_DRAINING = 7;

  // `JOB_STATE_DRAINED` indicates that the job has been drained.
  // A drained job terminated by stopping pulling from its input sources and
  // processing any data that remained in-flight when draining was requested.
  // This state is a terminal state, may only be set by the Cloud Dataflow
  // service, and only as a transition from `JOB_STATE_DRAINING`.
  JOB_STATE_DRAINED = 8;

  // `JOB_STATE_PENDING` indicates that the job has been created but is not yet
  // running.  Jobs that are pending may only transition to `JOB_STATE_RUNNING`,
  // or `JOB_STATE_FAILED`.
  JOB_STATE_PENDING = 9;

  // `JOB_STATE_CANCELLING` indicates that the job has been explicitly cancelled
  // and is in the process of stopping.  Jobs that are cancelling may only
  // transition to `JOB_STATE_CANCELLED` or `JOB_STATE_FAILED`.
  JOB_STATE_CANCELLING = 10;

  // `JOB_STATE_QUEUED` indicates that the job has been created but is being
  // delayed until launch. Jobs that are queued may only transition to
  // `JOB_STATE_PENDING` or `JOB_STATE_CANCELLED`.
  JOB_STATE_QUEUED = 11;

  // `JOB_STATE_RESOURCE_CLEANING_UP` indicates that the batch job's associated
  // resources are currently being cleaned up after a successful run.
  // Currently, this is an opt-in feature, please reach out to Cloud support
  // team if you are interested.
  JOB_STATE_RESOURCE_CLEANING_UP = 12;
}

// Additional information about how a Cloud Dataflow job will be executed that
// isn't contained in the submitted job.
message JobExecutionInfo {
  // A mapping from each stage to the information about that stage.
  map<string, JobExecutionStageInfo> stages = 1;
}

// Contains information about how a particular
// [google.dataflow.v1beta3.Step][google.dataflow.v1beta3.Step] will be executed.
message JobExecutionStageInfo {
  // The steps associated with the execution stage.
  // Note that stages may have several steps, and that a given step
  // might be run by more than one stage.
  repeated string step_name = 1;
}

// Selector for how much information is returned in Job responses.
enum JobView {
  // The job view to return isn't specified, or is unknown.
  // Responses will contain at least the `JOB_VIEW_SUMMARY` information,
  // and may contain additional information.
  JOB_VIEW_UNKNOWN = 0;

  // Request summary information only:
  // Project ID, Job ID, job name, job type, job status, start/end time,
  // and Cloud SDK version details.
  JOB_VIEW_SUMMARY = 1;

  // Request all information available for this job.
  JOB_VIEW_ALL = 2;

  // Request summary info and limited job description data for steps, labels and
  // environment.
  JOB_VIEW_DESCRIPTION = 3;
}

// Request to create a Cloud Dataflow job.
message CreateJobRequest {
  // The ID of the Cloud Platform project that the job belongs to.
  string project_id = 1;

  // The job to create.
  Job job = 2;

  // The level of information requested in response.
  JobView view = 3;

  // Deprecated. This field is now in the Job message.
  string replace_job_id = 4;

  // The [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) that
  // contains this job.
  string location = 5;
}

// Request to get the state of a Cloud Dataflow job.
message GetJobRequest {
  // The ID of the Cloud Platform project that the job belongs to.
  string project_id = 1;

  // The job ID.
  string job_id = 2;

  // The level of information requested in response.
  JobView view = 3;

  // The [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) that
  // contains this job.
  string location = 4;
}

// Request to update a Cloud Dataflow job.
message UpdateJobRequest {
  // The ID of the Cloud Platform project that the job belongs to.
  string project_id = 1;

  // The job ID.
  string job_id = 2;

  // The updated job.
  // Only the job state is updatable; other fields will be ignored.
  Job job = 3;

  // The [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) that
  // contains this job.
  string location = 4;
}

// Request to list Cloud Dataflow jobs.
message ListJobsRequest {
  // This field filters out and returns jobs in the specified job state. The
  // order of data returned is determined by the filter used, and is subject to
  // change.
  enum Filter {
    // The filter isn't specified, or is unknown. This returns all jobs ordered
    // on descending `JobUuid`.
    UNKNOWN = 0;

    // Returns all running jobs first ordered on creation timestamp, then
    // returns all terminated jobs ordered on the termination timestamp.
    ALL = 1;

    // Filters the jobs that have a terminated state, ordered on the
    // termination timestamp. Example terminated states: `JOB_STATE_STOPPED`,
    // `JOB_STATE_UPDATED`, `JOB_STATE_DRAINED`, etc.
    TERMINATED = 2;

    // Filters the jobs that are running ordered on the creation timestamp.
    ACTIVE = 3;
  }

  // The kind of filter to use.
  Filter filter = 5;

  // The project which owns the jobs.
  string project_id = 1;

  // Deprecated. ListJobs always returns summaries now.
  // Use GetJob for other JobViews.
  JobView view = 2 [deprecated = true];

  // If there are many jobs, limit response to at most this many.
  // The actual number of jobs returned will be the lesser of max_responses
  // and an unspecified server-defined limit.
  int32 page_size = 3;

  // Set this to the 'next_page_token' field of a previous response
  // to request additional results in a long list.
  string page_token = 4;

  // The [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) that
  // contains this job.
  string location = 17;
}

// Indicates which [regional endpoint]
// (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) failed
// to respond to a request for data.
message FailedLocation {
  // The name of the [regional endpoint]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) that
  // failed to respond.
  string name = 1;
}

// Response to a request to list Cloud Dataflow jobs in a project. This might
// be a partial response, depending on the page size in the ListJobsRequest.
// However, if the project does not have any jobs, an instance of
// ListJobsResponse is not returned and the requests's response
// body is empty {}.
message ListJobsResponse {
  // A subset of the requested job information.
  repeated Job jobs = 1;

  // Set if there may be more results than fit in this response.
  string next_page_token = 2;

  // Zero or more messages describing the [regional endpoints]
  // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints) that
  // failed to respond.
  repeated FailedLocation failed_location = 3;
}

// Request to create a snapshot of a job.
message SnapshotJobRequest {
  // The project which owns the job to be snapshotted.
  string project_id = 1;

  // The job to be snapshotted.
  string job_id = 2;

  // TTL for the snapshot.
  google.protobuf.Duration ttl = 3;

  // The location that contains this job.
  string location = 4;

  // If true, perform snapshots for sources which support this.
  bool snapshot_sources = 5;

  // User specified description of the snapshot. Maybe empty.
  string description = 6;
}

// Request to check is active jobs exists for a project
message CheckActiveJobsRequest {
  // The project which owns the jobs.
  string project_id = 1;
}

// Response for CheckActiveJobsRequest.
message CheckActiveJobsResponse {
  // If True, active jobs exists for project. False otherwise.
  bool active_jobs_exist = 1;
}