mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-18 16:47:18 +02:00
c30cd1d0fd
* Split stdout exporter into stdouttrace and stdoutmetric Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com> * Remove unused options from stdouttrace and stdoutmetric exporters Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com> * Update stdout exporter references in website docs Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com> * Update docs to include correct import paths, properly describe exporter scope Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com> * Remove pointless options to disable signals from what are now single-signal exporters Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com>
76 lines
1.9 KiB
Go
76 lines
1.9 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 stdouttrace // import "go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"sync"
|
|
|
|
"go.opentelemetry.io/otel/sdk/trace"
|
|
"go.opentelemetry.io/otel/sdk/trace/tracetest"
|
|
)
|
|
|
|
// Exporter is an implementation of trace.SpanSyncer that writes spans to stdout.
|
|
type traceExporter struct {
|
|
config config
|
|
|
|
stoppedMu sync.RWMutex
|
|
stopped bool
|
|
}
|
|
|
|
// ExportSpans writes spans in json format to stdout.
|
|
func (e *traceExporter) ExportSpans(ctx context.Context, spans []trace.ReadOnlySpan) error {
|
|
e.stoppedMu.RLock()
|
|
stopped := e.stopped
|
|
e.stoppedMu.RUnlock()
|
|
if stopped {
|
|
return nil
|
|
}
|
|
|
|
if len(spans) == 0 {
|
|
return nil
|
|
}
|
|
out, err := e.marshal(tracetest.SpanStubsFromReadOnlySpans(spans))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = fmt.Fprintln(e.config.Writer, string(out))
|
|
return err
|
|
}
|
|
|
|
// Shutdown is called to stop the exporter, it preforms no action.
|
|
func (e *traceExporter) Shutdown(ctx context.Context) error {
|
|
e.stoppedMu.Lock()
|
|
e.stopped = true
|
|
e.stoppedMu.Unlock()
|
|
|
|
select {
|
|
case <-ctx.Done():
|
|
return ctx.Err()
|
|
default:
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// marshal v with approriate indentation.
|
|
func (e *traceExporter) marshal(v interface{}) ([]byte, error) {
|
|
if e.config.PrettyPrint {
|
|
return json.MarshalIndent(v, "", "\t")
|
|
}
|
|
return json.Marshal(v)
|
|
}
|