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sdk/log: Fix ExampleProcessor_redact to clone the record (#5559)

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Towards https://github.com/open-telemetry/opentelemetry-go/issues/5065

Follow our own docs. From `Processor.Enabled` docs:

> Before modifying a Record, the implementation must use Record.Clone to
create a copy that shares no state with the original.
This commit is contained in:
Robert Pająk
2024-07-01 15:01:22 +02:00
committed by GitHub
parent 4987a1dd4b
commit d7e5001b4d
1 changed files with 7 additions and 2 deletions
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9
sdk/log/example_test.go
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@@ -34,12 +34,17 @@ type RedactTokensProcessor struct {
// OnEmit redacts values from attributes containing "token" in the key
// by replacing them with a REDACTED value.
func (s *RedactTokensProcessor) OnEmit(ctx context.Context, record logsdk.Record) error {
func (p *RedactTokensProcessor) OnEmit(ctx context.Context, record logsdk.Record) error {
cloned := false
record.WalkAttributes(func(kv log.KeyValue) bool {
if strings.Contains(strings.ToLower(kv.Key), "token") {
if !cloned {
record = record.Clone()
cloned = true
}
record.AddAttributes(log.String(kv.Key, "REDACTED"))
}
return true
})
return s.Processor.OnEmit(ctx, record)
return p.Processor.OnEmit(ctx, record)
}