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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package otelecho // import "go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho"
import (
"github.com/labstack/echo/v4/middleware"
"go.opentelemetry.io/otel/propagation"
oteltrace "go.opentelemetry.io/otel/trace"
)
// config is used to configure the mux middleware.
type config struct {
TracerProvider oteltrace.TracerProvider
Propagators propagation.TextMapPropagator
Skipper middleware.Skipper
}
// Option specifies instrumentation configuration options.
type Option interface {
apply(*config)
}
type optionFunc func(*config)
func (o optionFunc) apply(c *config) {
o(c)
}
// WithPropagators specifies propagators to use for extracting
// information from the HTTP requests. If none are specified, global
// ones will be used.
func WithPropagators(propagators propagation.TextMapPropagator) Option {
return optionFunc(func(cfg *config) {
if propagators != nil {
cfg.Propagators = propagators
}
})
}
// WithTracerProvider specifies a tracer provider to use for creating a tracer.
// If none is specified, the global provider is used.
func WithTracerProvider(provider oteltrace.TracerProvider) Option {
return optionFunc(func(cfg *config) {
if provider != nil {
cfg.TracerProvider = provider
}
})
}
// WithSkipper specifies a skipper for allowing requests to skip generating spans.
func WithSkipper(skipper middleware.Skipper) Option {
return optionFunc(func(cfg *config) {
cfg.Skipper = skipper
})
}
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