/
healthcheck.go
39 lines (35 loc) · 1.21 KB
/
healthcheck.go
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// Copyright (c) 2015-2017 Rackspace
//
// 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.
package middleware
import (
"net/http"
"github.com/troubling/hummingbird/common/conf"
"github.com/uber-go/tally"
)
func NewHealthcheck(config conf.Section, metricsScope tally.Scope) (func(http.Handler) http.Handler, error) {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(
func(writer http.ResponseWriter, request *http.Request) {
if request.URL.Path == "/healthcheck" && request.Method == "GET" {
writer.Header().Set("Content-Length", "2")
writer.WriteHeader(http.StatusOK)
writer.Write([]byte("OK"))
return
}
next.ServeHTTP(writer, request)
},
)
}, nil
}