// Copyright 2014 Google Inc. All Rights Reserved.
//
// 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 healthz

import (
	"net/http"

	httpmux "github.com/google/cadvisor/cmd/internal/http/mux"
)

func handleHealthz(w http.ResponseWriter, r *http.Request) {
	w.WriteHeader(http.StatusOK)
	_, _ = w.Write([]byte("ok"))
}

// Register simple HTTP /healthz handler to return "ok".
func RegisterHandler(mux httpmux.Mux) error {
	mux.HandleFunc("/healthz", handleHealthz)
	return nil
}
