// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.logging.v2;

import "google/api/annotations.proto";
import "google/api/monitored_resource.proto";
import "google/logging/v2/log_entry.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";
import "google/rpc/status.proto";

option cc_enable_arenas = true;
option java_multiple_files = true;
option java_outer_classname = "LoggingProto";
option java_package = "com.google.logging.v2";


// Service for ingesting and querying logs.
service LoggingServiceV2 {
  // Deletes a log and all its log entries.
  // The log will reappear if it receives new entries.
  //
  rpc DeleteLog(DeleteLogRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = { delete: "/v2beta1/{log_name=projects/*/logs/*}" };
  }

  // Writes log entries to Stackdriver Logging.  All log entries are
  // written by this method.
  //
  rpc WriteLogEntries(WriteLogEntriesRequest) returns (WriteLogEntriesResponse) {
    option (google.api.http) = { post: "/v2beta1/entries:write" body: "*" };
  }

  // Lists log entries.  Use this method to retrieve log entries from Cloud
  // Logging.  For ways to export log entries, see
  // [Exporting Logs](/logging/docs/export).
  //
  rpc ListLogEntries(ListLogEntriesRequest) returns (ListLogEntriesResponse) {
    option (google.api.http) = { post: "/v2beta1/entries:list" body: "*" };
  }

  // Lists the monitored resource descriptors used by Stackdriver Logging.
  rpc ListMonitoredResourceDescriptors(ListMonitoredResourceDescriptorsRequest) returns (ListMonitoredResourceDescriptorsResponse) {
    option (google.api.http) = { get: "/v2beta1/monitoredResourceDescriptors" };
  }
}

// The parameters to DeleteLog.
message DeleteLogRequest {
  // Required. The resource name of the log to delete.  Example:
  // `"projects/my-project/logs/syslog"`.
  string log_name = 1;
}

// The parameters to WriteLogEntries.
message WriteLogEntriesRequest {
  // Optional. A default log resource name for those log entries in `entries`
  // that do not specify their own `logName`.  Example:
  // `"projects/my-project/logs/syslog"`.  See
  // [LogEntry][google.logging.v2.LogEntry].
  string log_name = 1;

  // Optional. A default monitored resource for those log entries in `entries`
  // that do not specify their own `resource`.
  google.api.MonitoredResource resource = 2;

  // Optional. User-defined `key:value` items that are added to
  // the `labels` field of each log entry in `entries`, except when a log
  // entry specifies its own `key:value` item with the same key.
  // Example: `{ "size": "large", "color":"red" }`
  map<string, string> labels = 3;

  // Required. The log entries to write. The log entries must have values for
  // all required fields.
  //
  // To improve throughput and to avoid exceeding the quota limit for calls
  // to `entries.write`, use this field to write multiple log entries at once
  // rather than  // calling this method for each log entry.
  repeated LogEntry entries = 4;

  // Optional. Whether valid entries should be written even if some other
  // entries fail due to INVALID_ARGUMENT or PERMISSION_DENIED errors. If any
  // entry is not written, the response status will be the error associated
  // with one of the failed entries and include error details in the form of
  // WriteLogEntriesPartialErrors.
  bool partial_success = 5;
}

// Result returned from WriteLogEntries.
// empty
message WriteLogEntriesResponse {

}

// The parameters to `ListLogEntries`.
message ListLogEntriesRequest {
  // Required. One or more project IDs or project numbers from which to retrieve
  // log entries.  Examples of a project ID: `"my-project-1A"`, `"1234567890"`.
  repeated string project_ids = 1;

  // Optional. An [advanced logs filter](/logging/docs/view/advanced_filters).
  // The filter is compared against all log entries in the projects specified by
  // `projectIds`.  Only entries that match the filter are retrieved.  An empty
  // filter matches all log entries.
  string filter = 2;

  // Optional. How the results should be sorted.  Presently, the only permitted
  // values are `"timestamp asc"` (default) and `"timestamp desc"`. The first
  // option returns entries in order of increasing values of
  // `LogEntry.timestamp` (oldest first), and the second option returns entries
  // in order of decreasing timestamps (newest first).  Entries with equal
  // timestamps are returned in order of `LogEntry.insertId`.
  string order_by = 3;

  // Optional. The maximum number of results to return from this request.
  // You must check for presence of `nextPageToken` to determine if additional
  // results are available, which you can retrieve by passing the
  // `nextPageToken` value as the `pageToken` parameter in the next request.
  int32 page_size = 4;

  // Optional. If the `pageToken` parameter is supplied, then the next page of
  // results is retrieved.  The `pageToken` parameter must be set to the value
  // of the `nextPageToken` from the previous response.
  // The values of `projectIds`, `filter`, and `orderBy` must be the same
  // as in the previous request.
  string page_token = 5;
}

// Result returned from `ListLogEntries`.
message ListLogEntriesResponse {
  // A list of log entries.
  repeated LogEntry entries = 1;

  // If there are more results than were returned, then `nextPageToken` is
  // included in the response.  To get the next set of results, call this
  // method again using the value of `nextPageToken` as `pageToken`.
  string next_page_token = 2;
}

// The parameters to ListMonitoredResourceDescriptors
message ListMonitoredResourceDescriptorsRequest {
  // Optional. The maximum number of results to return from this request.
  // You must check for presence of `nextPageToken` to determine if additional
  // results are available, which you can retrieve by passing the
  // `nextPageToken` value as the `pageToken` parameter in the next request.
  int32 page_size = 1;

  // Optional. If the `pageToken` parameter is supplied, then the next page of
  // results is retrieved.  The `pageToken` parameter must be set to the value
  // of the `nextPageToken` from the previous response.
  string page_token = 2;
}

// Result returned from ListMonitoredResourceDescriptors.
message ListMonitoredResourceDescriptorsResponse {
  // A list of resource descriptors.
  repeated google.api.MonitoredResourceDescriptor resource_descriptors = 1;

  // If there are more results than were returned, then `nextPageToken` is
  // included in the response.  To get the next set of results, call this
  // method again using the value of `nextPageToken` as `pageToken`.
  string next_page_token = 2;
}