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option.go
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option.go
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// Copyright The 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.
// Based on https://github.com/DataDog/dd-trace-go/blob/8fb554ff7cf694267f9077ae35e27ce4689ed8b6/contrib/gin-gonic/gin/option.go
package gin
import (
otelpropagation "go.opentelemetry.io/otel/api/propagation"
oteltrace "go.opentelemetry.io/otel/api/trace"
)
type Config struct {
Tracer oteltrace.Tracer
Propagators otelpropagation.Propagators
}
// Option specifies instrumentation configuration options.
type Option func(*Config)
// WithTracer specifies a tracer to use for creating spans. If none is
// specified, a tracer named
// "go.opentelemetry.io/contrib/plugins/gin-gonic/gin" from the global
// provider is used.
func WithTracer(tracer oteltrace.Tracer) Option {
return func(cfg *Config) {
cfg.Tracer = tracer
}
}
// WithPropagators specifies propagators to use for extracting
// information from the HTTP requests. If none are specified, global
// ones will be used.
func WithPropagators(propagators otelpropagation.Propagators) Option {
return func(cfg *Config) {
cfg.Propagators = propagators
}
}