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https://github.com/open-telemetry/opentelemetry-go.git
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ecf65d7968
* Rename otel/label -> otel/attr Leave the imported name alone, to avoid a large diff and conflicts * Better import comment * Update CHANGELOG.md Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * otel/attr -> otel/attribute * Missed the changelog entry * Get rid of import renaming * Merge remaining conflicts Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
68 lines
2.4 KiB
Go
68 lines
2.4 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 baggage // import "go.opentelemetry.io/otel/baggage"
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import (
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"context"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/internal/baggage"
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)
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// Set returns a copy of the set of baggage key-values in ctx.
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func Set(ctx context.Context) attribute.Set {
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// TODO (MrAlias, #1222): The underlying storage, the Map, shares many of
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// the functional elements of the attribute.Set. These should be unified so
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// this conversion is unnecessary and there is no performance hit calling
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// this.
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m := baggage.MapFromContext(ctx)
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values := make([]attribute.KeyValue, 0, m.Len())
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m.Foreach(func(kv attribute.KeyValue) bool {
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values = append(values, kv)
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return true
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})
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return attribute.NewSet(values...)
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}
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// Value returns the value related to key in the baggage of ctx. If no
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// value is set, the returned attribute.Value will be an uninitialized zero-value
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// with type INVALID.
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func Value(ctx context.Context, key attribute.Key) attribute.Value {
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v, _ := baggage.MapFromContext(ctx).Value(key)
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return v
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}
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// ContextWithValues returns a copy of parent with pairs updated in the baggage.
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func ContextWithValues(parent context.Context, pairs ...attribute.KeyValue) context.Context {
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m := baggage.MapFromContext(parent).Apply(baggage.MapUpdate{
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MultiKV: pairs,
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})
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return baggage.ContextWithMap(parent, m)
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}
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// ContextWithoutValues returns a copy of parent in which the values related
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// to keys have been removed from the baggage.
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func ContextWithoutValues(parent context.Context, keys ...attribute.Key) context.Context {
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m := baggage.MapFromContext(parent).Apply(baggage.MapUpdate{
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DropMultiK: keys,
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})
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return baggage.ContextWithMap(parent, m)
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}
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// ContextWithEmpty returns a copy of parent without baggage.
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func ContextWithEmpty(parent context.Context) context.Context {
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return baggage.ContextWithNoCorrelationData(parent)
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}
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