1
0
mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2024-12-14 10:13:10 +02:00
opentelemetry-go/sdk/export/trace/trace.go
Tyler Yahn 27c84d689d
Move trace api package into otel (#1229)
* Move trace API to otel

* Move tracetest to oteltest

* Update package documentation

* Remove old api/trace package

* Lint

* Add changes to CHANGELOG

* Add tests for rest of trace API

* Apply suggestions from code review

Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>

* Documentation fixes

Includes resolutions for review issues.

* Correct CHANGELOG post release

Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
2020-10-08 19:58:56 -07:00

92 lines
3.2 KiB
Go

// Copyright The OpenTelemetry Authors
//
// 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.
package trace // import "go.opentelemetry.io/otel/sdk/export/trace"
import (
"context"
"time"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/label"
"go.opentelemetry.io/otel/sdk/instrumentation"
"go.opentelemetry.io/otel/sdk/resource"
)
// SpanExporter handles the delivery of SpanData to external receivers. This is
// the final component in the trace export pipeline.
type SpanExporter interface {
// ExportSpans exports a batch of SpanData.
//
// This function is called synchronously, so there is no concurrency
// safety requirement. However, due to the synchronous calling pattern,
// it is critical that all timeouts and cancellations contained in the
// passed context must be honored.
//
// Any retry logic must be contained in this function. The SDK that
// calls this function will not implement any retry logic. All errors
// returned by this function are considered unrecoverable and will be
// reported to a configured error Handler.
ExportSpans(ctx context.Context, spanData []*SpanData) error
// Shutdown notifies the exporter of a pending halt to operations. The
// exporter is expected to preform any cleanup or synchronization it
// requires while honoring all timeouts and cancellations contained in
// the passed context.
Shutdown(ctx context.Context) error
}
// SpanData contains all the information collected by a completed span.
type SpanData struct {
SpanContext otel.SpanContext
ParentSpanID otel.SpanID
SpanKind otel.SpanKind
Name string
StartTime time.Time
// The wall clock time of EndTime will be adjusted to always be offset
// from StartTime by the duration of the span.
EndTime time.Time
Attributes []label.KeyValue
MessageEvents []Event
Links []otel.Link
StatusCode codes.Code
StatusMessage string
HasRemoteParent bool
DroppedAttributeCount int
DroppedMessageEventCount int
DroppedLinkCount int
// ChildSpanCount holds the number of child span created for this span.
ChildSpanCount int
// Resource contains attributes representing an entity that produced this span.
Resource *resource.Resource
// InstrumentationLibrary defines the instrumentation library used to
// provide instrumentation.
InstrumentationLibrary instrumentation.Library
}
// Event is thing that happened during a Span's lifetime.
type Event struct {
// Name is the name of this event
Name string
// Attributes describe the aspects of the event.
Attributes []label.KeyValue
// Time is the time at which this event was recorded.
Time time.Time
}