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https://github.com/open-telemetry/opentelemetry-go.git
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f0c70ffde0
Tracer.WithSpan() will now accept StartOptions as a variadic final parameter `opts` that will be passed to the Tracer.Start() invocation that creates the Span wrapping the user-provided function.
35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
// Copyright 2019, 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 trace
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import (
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"context"
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)
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type NoopTracer struct{}
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var _ Tracer = NoopTracer{}
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// WithSpan wraps around execution of func with noop span.
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func (t NoopTracer) WithSpan(ctx context.Context, name string, body func(context.Context) error, opts ...StartOption) error {
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return body(ctx)
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}
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// Start starts a noop span.
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func (NoopTracer) Start(ctx context.Context, name string, opts ...StartOption) (context.Context, Span) {
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span := NoopSpan{}
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return ContextWithSpan(ctx, span), span
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}
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