serviceinfo_context.go

// Copyright 2020 Ewout Prangsma
//
// 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.
//
// Author Ewout Prangsma
//

package v1

import "context"

type serviceInfoHostContextKeyType string

const (
	serviceInfoHostContextKey = serviceInfoHostContextKeyType("__host")
)

// WithServiceInfoHost configures the given given to use the given host for
// ServiceInfo's.
func WithServiceInfoHost(ctx context.Context, host string) context.Context {
	return context.WithValue(ctx, serviceInfoHostContextKey, host)
}

// GetServiceInfoHost gets the configured host to use for ServiceInfo's from the given context.
func GetServiceInfoHost(ctx context.Context) (string, bool) {
	host, found := ctx.Value(serviceInfoHostContextKey).(string)
	return host, found
}