mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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452256cbf4
* Consolidate stdout exporter * Move config to own file and match project standard * Abstract Exporter into unified struct * Rename trace part of the exporter * Update import paths and configuration * Update tests * Update InstallNewPipeline to not return traceProvider It is a registered global, access it that way. * Update example_test * Update docs * Update example to be for whole package * Update metric output Closer match the span output. * Clean up span output Print as a batch and cleanup marshaling. * Correct spelling error in doc * Add Exporters README * Update Changelog * Propagate changes to rest of project * Lint fixes * Fix example test in metric SDK * Add disable config options for trace and metric Co-authored-by: Liz Fong-Jones <lizf@honeycomb.io>
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package stdout
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import (
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"context"
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"encoding/json"
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"fmt"
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"go.opentelemetry.io/otel/sdk/export/trace"
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)
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// Exporter is an implementation of trace.SpanSyncer that writes spans to stdout.
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type traceExporter struct {
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config Config
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}
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// ExportSpan writes a SpanData in json format to stdout.
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func (e *traceExporter) ExportSpan(ctx context.Context, data *trace.SpanData) {
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if e.config.DisableTraceExport {
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return
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}
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e.ExportSpans(ctx, []*trace.SpanData{data})
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}
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// ExportSpans writes SpanData in json format to stdout.
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func (e *traceExporter) ExportSpans(ctx context.Context, data []*trace.SpanData) {
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if e.config.DisableTraceExport || len(data) == 0 {
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return
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}
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out, err := e.marshal(data)
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if err != nil {
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fmt.Fprintf(e.config.Writer, "error converting spanData to json: %v", err)
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return
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}
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fmt.Fprintln(e.config.Writer, string(out))
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}
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// marshal v with approriate indentation.
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func (e *traceExporter) marshal(v interface{}) ([]byte, error) {
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if e.config.PrettyPrint {
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return json.MarshalIndent(v, "", "\t")
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}
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return json.Marshal(v)
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}
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