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trace_export_closer.go
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/
trace_export_closer.go
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// Copyright 2020-2021 Buf Technologies, 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.
package observabilityzap
import (
"go.opencensus.io/trace"
"go.uber.org/zap"
)
type traceExportCloser struct {
logger *zap.Logger
}
func newTraceExportCloser(logger *zap.Logger) *traceExportCloser {
return &traceExportCloser{
logger: logger,
}
}
// ExportSpan implements the opencensus trace.Exporter interface.
func (t *traceExportCloser) ExportSpan(spanData *trace.SpanData) {
if spanData == nil || !spanData.IsSampled() {
return
}
if checkedEntry := t.logger.Check(zap.DebugLevel, spanData.Name); checkedEntry != nil {
fields := []zap.Field{
zap.Duration("duration", spanData.EndTime.Sub(spanData.StartTime)),
}
for key, value := range spanData.Attributes {
fields = append(fields, zap.Any(key, value))
}
checkedEntry.Write(fields...)
}
}
func (t *traceExportCloser) Close() error {
return nil
}