// 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.asset.v1p7beta1;

import "google/api/annotations.proto";
import "google/api/client.proto";
import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/longrunning/operations.proto";
import "google/protobuf/timestamp.proto";

option csharp_namespace = "Google.Cloud.Asset.V1P7Beta1";
option go_package = "cloud.google.com/go/asset/apiv1p7beta1/assetpb;assetpb";
option java_multiple_files = true;
option java_outer_classname = "AssetServiceProto";
option java_package = "com.google.cloud.asset.v1p7beta1";
option php_namespace = "Google\\Cloud\\Asset\\V1p7beta1";

// Asset service definition.
service AssetService {
  option (google.api.default_host) = "cloudasset.googleapis.com";
  option (google.api.oauth_scopes) =
      "https://www.googleapis.com/auth/cloud-platform";

  // Exports assets with time and resource types to a given Cloud Storage
  // location/BigQuery table. For Cloud Storage location destinations, the
  // output format is newline-delimited JSON. Each line represents a
  // [google.cloud.asset.v1p7beta1.Asset][google.cloud.asset.v1p7beta1.Asset] in
  // the JSON format; for BigQuery table destinations, the output table stores
  // the fields in asset proto as columns. This API implements the
  // [google.longrunning.Operation][google.longrunning.Operation] API , which
  // allows you to keep track of the export. We recommend intervals of at least
  // 2 seconds with exponential retry to poll the export operation result. For
  // regular-size resource parent, the export operation usually finishes within
  // 5 minutes.
  rpc ExportAssets(ExportAssetsRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v1p7beta1/{parent=*/*}:exportAssets"
      body: "*"
    };
    option (google.longrunning.operation_info) = {
      response_type: "google.cloud.asset.v1p7beta1.ExportAssetsResponse"
      metadata_type: "google.cloud.asset.v1p7beta1.ExportAssetsRequest"
    };
  }
}

// Export asset request.
message ExportAssetsRequest {
  // Required. The relative name of the root asset. This can only be an
  // organization number (such as "organizations/123"), a project ID (such as
  // "projects/my-project-id"), or a project number (such as "projects/12345"),
  // or a folder number (such as "folders/123").
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      child_type: "cloudasset.googleapis.com/Asset"
    }
  ];

  // Timestamp to take an asset snapshot. This can only be set to a timestamp
  // between the current time and the current time minus 35 days (inclusive).
  // If not specified, the current time will be used. Due to delays in resource
  // data collection and indexing, there is a volatile window during which
  // running the same query may get different results.
  google.protobuf.Timestamp read_time = 2;

  // A list of asset types to take a snapshot for. For example:
  // "compute.googleapis.com/Disk".
  //
  // Regular expressions are also supported. For example:
  //
  // * "compute.googleapis.com.*" snapshots resources whose asset type starts
  // with "compute.googleapis.com".
  // * ".*Instance" snapshots resources whose asset type ends with "Instance".
  // * ".*Instance.*" snapshots resources whose asset type contains "Instance".
  //
  // See [RE2](https://github.com/google/re2/wiki/Syntax) for all supported
  // regular expression syntax. If the regular expression does not match any
  // supported asset type, an INVALID_ARGUMENT error will be returned.
  //
  // If specified, only matching assets will be returned, otherwise, it will
  // snapshot all asset types. See [Introduction to Cloud Asset
  // Inventory](https://cloud.google.com/asset-inventory/docs/overview)
  // for all supported asset types.
  repeated string asset_types = 3;

  // Asset content type. If not specified, no content but the asset name will be
  // returned.
  ContentType content_type = 4;

  // Required. Output configuration indicating where the results will be output
  // to.
  OutputConfig output_config = 5 [(google.api.field_behavior) = REQUIRED];

  // A list of relationship types to export, for example:
  // `INSTANCE_TO_INSTANCEGROUP`. This field should only be specified if
  // content_type=RELATIONSHIP. If specified, it will snapshot [asset_types]'
  // specified relationships, or give errors if any relationship_types'
  // supported types are not in [asset_types]. If not specified, it will
  // snapshot all [asset_types]' supported relationships. An unspecified
  // [asset_types] field means all supported asset_types. See [Introduction to
  // Cloud Asset
  // Inventory](https://cloud.google.com/asset-inventory/docs/overview) for all
  // supported asset types and relationship types.
  repeated string relationship_types = 6;
}

// The export asset response. This message is returned by the
// [google.longrunning.Operations.GetOperation][google.longrunning.Operations.GetOperation]
// method in the returned
// [google.longrunning.Operation.response][google.longrunning.Operation.response]
// field.
message ExportAssetsResponse {
  // Time the snapshot was taken.
  google.protobuf.Timestamp read_time = 1;

  // Output configuration indicating where the results were output to.
  OutputConfig output_config = 2;

  // Output result indicating where the assets were exported to. For example, a
  // set of actual Cloud Storage object URIs where the assets are
  // exported to. The URIs can be different from what [output_config] has
  // specified, as the service will split the output object into multiple ones
  // once it exceeds a single Cloud Storage object limit.
  OutputResult output_result = 3;
}

// Output configuration for export assets destination.
message OutputConfig {
  // Asset export destination.
  oneof destination {
    // Destination on Cloud Storage.
    GcsDestination gcs_destination = 1;

    // Destination on BigQuery. The output table stores the fields in asset
    // proto as columns in BigQuery.
    BigQueryDestination bigquery_destination = 2;
  }
}

// Output result of export assets.
message OutputResult {
  // Asset export result.
  oneof result {
    // Export result on Cloud Storage.
    GcsOutputResult gcs_result = 1;
  }
}

// A Cloud Storage output result.
message GcsOutputResult {
  // List of URIs of the Cloud Storage objects. Example:
  // "gs://bucket_name/object_name".
  repeated string uris = 1;
}

// A Cloud Storage location.
message GcsDestination {
  // Required.
  oneof object_uri {
    // The URI of the Cloud Storage object. It's the same URI that is used by
    // gsutil. Example: "gs://bucket_name/object_name". See [Viewing and
    // Editing Object
    // Metadata](https://cloud.google.com/storage/docs/viewing-editing-metadata)
    // for more information.
    string uri = 1;

    // The URI prefix of all generated Cloud Storage objects. Example:
    // "gs://bucket_name/object_name_prefix". Each object URI is in format:
    // "gs://bucket_name/object_name_prefix/{ASSET_TYPE}/{SHARD_NUMBER} and only
    // contains assets for that type. <shard number> starts from 0. Example:
    // "gs://bucket_name/object_name_prefix/compute.googleapis.com/Disk/0" is
    // the first shard of output objects containing all
    // compute.googleapis.com/Disk assets. An INVALID_ARGUMENT error will be
    // returned if file with the same name "gs://bucket_name/object_name_prefix"
    // already exists.
    string uri_prefix = 2;
  }
}

// A BigQuery destination for exporting assets to.
message BigQueryDestination {
  // Required. The BigQuery dataset in format
  // "projects/projectId/datasets/datasetId", to which the snapshot result
  // should be exported. If this dataset does not exist, the export call returns
  // an INVALID_ARGUMENT error.
  string dataset = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The BigQuery table to which the snapshot result should be
  // written. If this table does not exist, a new table with the given name
  // will be created.
  string table = 2 [(google.api.field_behavior) = REQUIRED];

  // If the destination table already exists and this flag is `TRUE`, the
  // table will be overwritten by the contents of assets snapshot. If the flag
  // is `FALSE` or unset and the destination table already exists, the export
  // call returns an INVALID_ARGUMEMT error.
  bool force = 3;

  // [partition_spec] determines whether to export to partitioned table(s) and
  // how to partition the data.
  //
  // If [partition_spec] is unset or [partition_spec.partition_key] is unset or
  // `PARTITION_KEY_UNSPECIFIED`, the snapshot results will be exported to
  // non-partitioned table(s). [force] will decide whether to overwrite existing
  // table(s).
  //
  // If [partition_spec] is specified. First, the snapshot results will be
  // written to partitioned table(s) with two additional timestamp columns,
  // readTime and requestTime, one of which will be the partition key. Secondly,
  // in the case when any destination table already exists, it will first try to
  // update existing table's schema as necessary by appending additional
  // columns. Then, if [force] is `TRUE`, the corresponding partition will be
  // overwritten by the snapshot results (data in different partitions will
  // remain intact); if [force] is unset or `FALSE`, it will append the data. An
  // error will be returned if the schema update or data appension fails.
  PartitionSpec partition_spec = 4;

  // If this flag is `TRUE`, the snapshot results will be written to one or
  // multiple tables, each of which contains results of one asset type. The
  // [force] and [partition_spec] fields will apply to each of them.
  //
  // Field [table] will be concatenated with "_" and the asset type names (see
  // https://cloud.google.com/asset-inventory/docs/supported-asset-types for
  // supported asset types) to construct per-asset-type table names, in which
  // all non-alphanumeric characters like "." and "/" will be substituted by
  // "_". Example: if field [table] is "mytable" and snapshot results
  // contain "storage.googleapis.com/Bucket" assets, the corresponding table
  // name will be "mytable_storage_googleapis_com_Bucket". If any of these
  // tables does not exist, a new table with the concatenated name will be
  // created.
  //
  // When [content_type] in the ExportAssetsRequest is `RESOURCE`, the schema of
  // each table will include RECORD-type columns mapped to the nested fields in
  // the Asset.resource.data field of that asset type (up to the 15 nested level
  // BigQuery supports
  // (https://cloud.google.com/bigquery/docs/nested-repeated#limitations)). The
  // fields in >15 nested levels will be stored in JSON format string as a child
  // column of its parent RECORD column.
  //
  // If error occurs when exporting to any table, the whole export call will
  // return an error but the export results that already succeed will persist.
  // Example: if exporting to table_type_A succeeds when exporting to
  // table_type_B fails during one export call, the results in table_type_A will
  // persist and there will not be partial results persisting in a table.
  bool separate_tables_per_asset_type = 5;
}

// Specifications of BigQuery partitioned table as export destination.
message PartitionSpec {
  // This enum is used to determine the partition key column when exporting
  // assets to BigQuery partitioned table(s). Note that, if the partition key is
  // a timestamp column, the actual partition is based on its date value
  // (expressed in UTC. see details in
  // https://cloud.google.com/bigquery/docs/partitioned-tables#date_timestamp_partitioned_tables).
  enum PartitionKey {
    // Unspecified partition key. If used, it means using non-partitioned table.
    PARTITION_KEY_UNSPECIFIED = 0;

    // The time when the snapshot is taken. If specified as partition key, the
    // result table(s) is partitoned by the additional timestamp column,
    // readTime. If [read_time] in ExportAssetsRequest is specified, the
    // readTime column's value will be the same as it. Otherwise, its value will
    // be the current time that is used to take the snapshot.
    READ_TIME = 1;

    // The time when the request is received and started to be processed. If
    // specified as partition key, the result table(s) is partitoned by the
    // requestTime column, an additional timestamp column representing when the
    // request was received.
    REQUEST_TIME = 2;
  }

  // The partition key for BigQuery partitioned table.
  PartitionKey partition_key = 1;
}

// Asset content type.
enum ContentType {
  // Unspecified content type.
  CONTENT_TYPE_UNSPECIFIED = 0;

  // Resource metadata.
  RESOURCE = 1;

  // The actual IAM policy set on a resource.
  IAM_POLICY = 2;

  // The organization policy set on an asset.
  ORG_POLICY = 4;

  // The Access Context Manager policy set on an asset.
  ACCESS_POLICY = 5;

  // The related resources.
  RELATIONSHIP = 7;
}