mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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e88a091a72
* Make SpanContext Immutable
* Adds NewSpanContext() constructor and SpanContextConfig{} struct for
constructing a new SpanContext when all fields are known
* Adds With<field>() methods to SpanContext for deriving a SpanContext
with a single field changed.
* Updates all uses of SpanContext to use the new API
Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com>
* Update CHANGELOG.md
Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com>
* Add tests for new SpanContext constructor and derivation
Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com>
* Address PR feedback
* Fix new uses of SpanContext from main
58 lines
1.9 KiB
Go
58 lines
1.9 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 utils // import "go.opentelemetry.io/otel/bridge/opencensus/utils"
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import (
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"fmt"
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octrace "go.opencensus.io/trace"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/trace"
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)
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// OTelSpanContextToOC converts from an OpenTelemetry SpanContext to an
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// OpenCensus SpanContext, and handles any incompatibilities with the global
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// error handler.
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func OTelSpanContextToOC(sc trace.SpanContext) octrace.SpanContext {
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if sc.IsDebug() || sc.IsDeferred() {
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otel.Handle(fmt.Errorf("ignoring OpenTelemetry Debug or Deferred trace flags for span %q because they are not supported by OpenCensus", sc.SpanID()))
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}
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var to octrace.TraceOptions
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if sc.IsSampled() {
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// OpenCensus doesn't expose functions to directly set sampled
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to = 0x1
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}
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return octrace.SpanContext{
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TraceID: octrace.TraceID(sc.TraceID()),
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SpanID: octrace.SpanID(sc.SpanID()),
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TraceOptions: to,
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}
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}
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// OCSpanContextToOTel converts from an OpenCensus SpanContext to an
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// OpenTelemetry SpanContext.
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func OCSpanContextToOTel(sc octrace.SpanContext) trace.SpanContext {
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var traceFlags byte
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if sc.IsSampled() {
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traceFlags = trace.FlagsSampled
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}
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return trace.NewSpanContext(trace.SpanContextConfig{
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TraceID: trace.TraceID(sc.TraceID),
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SpanID: trace.SpanID(sc.SpanID),
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TraceFlags: traceFlags,
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})
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}
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