// Copyright 2017 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.devtools.cloudtrace.v1;
import "google/api/annotations.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";
option csharp_namespace = "Google.Cloud.Trace.V1";
option go_package = "google.golang.org/genproto/googleapis/devtools/cloudtrace/v1;cloudtrace";
option java_multiple_files = true;
option java_outer_classname = "TraceProto";
option java_package = "com.google.devtools.cloudtrace.v1";
option php_namespace = "Google\\Cloud\\Trace\\V1";
// This file describes an API for collecting and viewing traces and spans
// within a trace. A Trace is a collection of spans corresponding to a single
// operation or set of operations for an application. A span is an individual
// timed event which forms a node of the trace tree. Spans for a single trace
// may span multiple services.
service TraceService {
// Returns of a list of traces that match the specified filter conditions.
rpc ListTraces(ListTracesRequest) returns (ListTracesResponse) {
option (google.api.http) = {
get: "/v1/projects/{project_id}/traces"
};
}
// Gets a single trace by its ID.
rpc GetTrace(GetTraceRequest) returns (Trace) {
option (google.api.http) = {
get: "/v1/projects/{project_id}/traces/{trace_id}"
};
}
// Sends new traces to Stackdriver Trace or updates existing traces. If the ID
// of a trace that you send matches that of an existing trace, any fields
// in the existing trace and its spans are overwritten by the provided values,
// and any new fields provided are merged with the existing trace data. If the
// ID does not match, a new trace is created.
rpc PatchTraces(PatchTracesRequest) returns (google.protobuf.Empty) {
option (google.api.http) = {
patch: "/v1/projects/{project_id}/traces"
body: "traces"
};
}
}
// A trace describes how long it takes for an application to perform an
// operation. It consists of a set of spans, each of which represent a single
// timed event within the operation.
message Trace {
// Project ID of the Cloud project where the trace data is stored.
string project_id = 1;
// Globally unique identifier for the trace. This identifier is a 128-bit
// numeric value formatted as a 32-byte hex string.
string trace_id = 2;
// Collection of spans in the trace.
repeated TraceSpan spans = 3;
}
// List of new or updated traces.
message Traces {
// List of traces.
repeated Trace traces = 1;
}
// A span represents a single timed event within a trace. Spans can be nested
// and form a trace tree. Often, a trace contains a root span that describes the
// end-to-end latency of an operation and, optionally, one or more subspans for
// its suboperations. Spans do not need to be contiguous. There may be gaps
// between spans in a trace.
message TraceSpan {
// Type of span. Can be used to specify additional relationships between spans
// in addition to a parent/child relationship.
enum SpanKind {
// Unspecified.
SPAN_KIND_UNSPECIFIED = 0;
// Indicates that the span covers server-side handling of an RPC or other
// remote network request.
RPC_SERVER = 1;
// Indicates that the span covers the client-side wrapper around an RPC or
// other remote request.
RPC_CLIENT = 2;
}
// Identifier for the span. Must be a 64-bit integer other than 0 and
// unique within a trace.
fixed64 span_id = 1;
// Distinguishes between spans generated in a particular context. For example,
// two spans with the same name may be distinguished using `RPC_CLIENT`
// and `RPC_SERVER` to identify queueing latency associated with the span.
SpanKind kind = 2;
// Name of the span. Must be less than 128 bytes. The span name is sanitized
// and displayed in the Stackdriver Trace tool in the
// {% dynamic print site_values.console_name %}.
// The name may be a method name or some other per-call site name.
// For the same executable and the same call point, a best practice is
// to use a consistent name, which makes it easier to correlate
// cross-trace spans.
string name = 3;
// Start time of the span in nanoseconds from the UNIX epoch.
google.protobuf.Timestamp start_time = 4;
// End time of the span in nanoseconds from the UNIX epoch.
google.protobuf.Timestamp end_time = 5;
// ID of the parent span, if any. Optional.
fixed64 parent_span_id = 6;
// Collection of labels associated with the span. Label keys must be less than
// 128 bytes. Label values must be less than 16 kilobytes (10MB for
// `/stacktrace` values).
//
// Some predefined label keys exist, or you may create your own. When creating
// your own, we recommend the following formats:
//
// * `/category/product/key` for agents of well-known products (e.g.
// `/db/mongodb/read_size`).
// * `short_host/path/key` for domain-specific keys (e.g.
// `foo.com/myproduct/bar`)
//
// Predefined labels include:
//
// * `/agent`
// * `/component`
// * `/error/message`
// * `/error/name`
// * `/http/client_city`
// * `/http/client_country`
// * `/http/client_protocol`
// * `/http/client_region`
// * `/http/host`
// * `/http/method`
// * `/http/path`
// * `/http/redirected_url`
// * `/http/request/size`
// * `/http/response/size`
// * `/http/route`
// * `/http/status_code`
// * `/http/url`
// * `/http/user_agent`
// * `/pid`
// * `/stacktrace`
// * `/tid`
map<string, string> labels = 7;
}
// The request message for the `ListTraces` method. All fields are required
// unless specified.
message ListTracesRequest {
// Type of data returned for traces in the list.
enum ViewType {
// Default is `MINIMAL` if unspecified.
VIEW_TYPE_UNSPECIFIED = 0;
// Minimal view of the trace record that contains only the project
// and trace IDs.
MINIMAL = 1;
// Root span view of the trace record that returns the root spans along
// with the minimal trace data.
ROOTSPAN = 2;
// Complete view of the trace record that contains the actual trace data.
// This is equivalent to calling the REST `get` or RPC `GetTrace` method
// using the ID of each listed trace.
COMPLETE = 3;
}
// ID of the Cloud project where the trace data is stored.
string project_id = 1;
// Type of data returned for traces in the list. Optional. Default is
// `MINIMAL`.
ViewType view = 2;
// Maximum number of traces to return. If not specified or <= 0, the
// implementation selects a reasonable value. The implementation may
// return fewer traces than the requested page size. Optional.
int32 page_size = 3;
// Token identifying the page of results to return. If provided, use the
// value of the `next_page_token` field from a previous request. Optional.
string page_token = 4;
// Start of the time interval (inclusive) during which the trace data was
// collected from the application.
google.protobuf.Timestamp start_time = 5;
// End of the time interval (inclusive) during which the trace data was
// collected from the application.
google.protobuf.Timestamp end_time = 6;
// An optional filter against labels for the request.
//
// By default, searches use prefix matching. To specify exact match, prepend
// a plus symbol (`+`) to the search term.
// Multiple terms are ANDed. Syntax:
//
// * `root:NAME_PREFIX` or `NAME_PREFIX`: Return traces where any root
// span starts with `NAME_PREFIX`.
// * `+root:NAME` or `+NAME`: Return traces where any root span's name is
// exactly `NAME`.
// * `span:NAME_PREFIX`: Return traces where any span starts with
// `NAME_PREFIX`.
// * `+span:NAME`: Return traces where any span's name is exactly
// `NAME`.
// * `latency:DURATION`: Return traces whose overall latency is
// greater or equal to than `DURATION`. Accepted units are nanoseconds
// (`ns`), milliseconds (`ms`), and seconds (`s`). Default is `ms`. For
// example, `latency:24ms` returns traces whose overall latency
// is greater than or equal to 24 milliseconds.
// * `label:LABEL_KEY`: Return all traces containing the specified
// label key (exact match, case-sensitive) regardless of the key:value
// pair's value (including empty values).
// * `LABEL_KEY:VALUE_PREFIX`: Return all traces containing the specified
// label key (exact match, case-sensitive) whose value starts with
// `VALUE_PREFIX`. Both a key and a value must be specified.
// * `+LABEL_KEY:VALUE`: Return all traces containing a key:value pair
// exactly matching the specified text. Both a key and a value must be
// specified.
// * `method:VALUE`: Equivalent to `/http/method:VALUE`.
// * `url:VALUE`: Equivalent to `/http/url:VALUE`.
string filter = 7;
// Field used to sort the returned traces. Optional.
// Can be one of the following:
//
// * `trace_id`
// * `name` (`name` field of root span in the trace)
// * `duration` (difference between `end_time` and `start_time` fields of
// the root span)
// * `start` (`start_time` field of the root span)
//
// Descending order can be specified by appending `desc` to the sort field
// (for example, `name desc`).
//
// Only one sort field is permitted.
string order_by = 8;
}
// The response message for the `ListTraces` method.
message ListTracesResponse {
// List of trace records returned.
repeated Trace traces = 1;
// If defined, indicates that there are more traces that match the request
// and that this value should be passed to the next request to continue
// retrieving additional traces.
string next_page_token = 2;
}
// The request message for the `GetTrace` method.
message GetTraceRequest {
// ID of the Cloud project where the trace data is stored.
string project_id = 1;
// ID of the trace to return.
string trace_id = 2;
}
// The request message for the `PatchTraces` method.
message PatchTracesRequest {
// ID of the Cloud project where the trace data is stored.
string project_id = 1;
// The body of the message.
Traces traces = 2;
}