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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| // Copyright 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 attributes | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "go.opentelemetry.io/collector/component" | ||
| "go.opentelemetry.io/collector/pdata/pcommon" | ||
| "go.opentelemetry.io/otel/attribute" | ||
| "go.opentelemetry.io/otel/metric" | ||
|
|
||
| "github.com/DataDog/opentelemetry-mapping-go/pkg/otlp/attributes/source" | ||
| ) | ||
|
|
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| const missingSourceMetricName string = "datadog.otlp_translator.attributes.missing_source" | ||
|
|
||
| // Translator of attributes. | ||
| type Translator struct { | ||
| missingSources metric.Int64Counter | ||
| } | ||
|
|
||
| // NewTranslator returns a new attributes mapper. | ||
| func NewTranslator(set component.TelemetrySettings) (*Translator, error) { | ||
| meter := set.MeterProvider.Meter("github.com/DataDog/opentelemetry-mapping-go/pkg/otlp/attributes") | ||
| missingSources, err := meter.Int64Counter( | ||
| missingSourceMetricName, | ||
| metric.WithDescription("OTLP payloads that are missing a source (e.g. hostname)"), | ||
| metric.WithUnit("[payload]"), | ||
| ) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to build missing source counter: %w", err) | ||
| } | ||
|
|
||
| return &Translator{ | ||
| missingSources: missingSources, | ||
| }, nil | ||
| } | ||
|
|
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| // MapToSource gets a telemetry signal source from its attributes. | ||
| func (p *Translator) MapToSource(ctx context.Context, attrs pcommon.Map, set attribute.Set) (source.Source, bool) { | ||
| src, ok := SourceFromAttrs(attrs) | ||
| if !ok { | ||
| p.missingSources.Add(ctx, 1, metric.WithAttributeSet(set)) | ||
| } | ||
|
|
||
| return src, ok | ||
| } |
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