mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-01-03 22:52:30 +02:00
93 lines
2.7 KiB
Go
93 lines
2.7 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 transform
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import (
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commonpb "github.com/open-telemetry/opentelemetry-proto/gen/go/common/v1"
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"go.opentelemetry.io/otel/api/kv/value"
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"go.opentelemetry.io/otel/api/kv"
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"go.opentelemetry.io/otel/sdk/resource"
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)
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// Attributes transforms a slice of KeyValues into a slice of OTLP attribute key-values.
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func Attributes(attrs []kv.KeyValue) []*commonpb.AttributeKeyValue {
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if len(attrs) == 0 {
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return nil
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}
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out := make([]*commonpb.AttributeKeyValue, 0, len(attrs))
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for _, kv := range attrs {
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out = append(out, toAttribute(kv))
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}
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return out
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}
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// ResourceAttributes transforms a Resource into a slice of OTLP attribute key-values.
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func ResourceAttributes(resource *resource.Resource) []*commonpb.AttributeKeyValue {
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if resource.Len() == 0 {
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return nil
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}
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out := make([]*commonpb.AttributeKeyValue, 0, resource.Len())
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for iter := resource.Iter(); iter.Next(); {
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out = append(out, toAttribute(iter.Attribute()))
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}
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return out
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}
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func toAttribute(v kv.KeyValue) *commonpb.AttributeKeyValue {
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switch v.Value.Type() {
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case value.BOOL:
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return &commonpb.AttributeKeyValue{
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Key: string(v.Key),
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Type: commonpb.AttributeKeyValue_BOOL,
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BoolValue: v.Value.AsBool(),
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}
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case value.INT64, value.INT32, value.UINT32, value.UINT64:
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return &commonpb.AttributeKeyValue{
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Key: string(v.Key),
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Type: commonpb.AttributeKeyValue_INT,
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IntValue: v.Value.AsInt64(),
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}
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case value.FLOAT32:
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return &commonpb.AttributeKeyValue{
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Key: string(v.Key),
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Type: commonpb.AttributeKeyValue_DOUBLE,
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DoubleValue: float64(v.Value.AsFloat32()),
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}
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case value.FLOAT64:
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return &commonpb.AttributeKeyValue{
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Key: string(v.Key),
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Type: commonpb.AttributeKeyValue_DOUBLE,
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DoubleValue: v.Value.AsFloat64(),
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}
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case value.STRING:
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return &commonpb.AttributeKeyValue{
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Key: string(v.Key),
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Type: commonpb.AttributeKeyValue_STRING,
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StringValue: v.Value.AsString(),
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}
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default:
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return &commonpb.AttributeKeyValue{
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Key: string(v.Key),
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Type: commonpb.AttributeKeyValue_STRING,
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StringValue: "INVALID",
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}
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}
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}
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