clair/api/router.go

48 lines
1.3 KiB
Go

// Copyright 2017 clair 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.
package api
import (
"net/http"
"github.com/julienschmidt/httprouter"
"github.com/coreos/clair/database"
)
// router is an HTTP router that forwards requests to the appropriate sub-router
// depending on the API version specified in the request URI.
type router map[string]*httprouter.Router
func newHealthHandler(store database.Datastore) http.Handler {
router := httprouter.New()
router.GET("/health", healthHandler(store))
return router
}
func healthHandler(store database.Datastore) httprouter.Handle {
return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
header := w.Header()
header.Set("Server", "clair")
status := http.StatusInternalServerError
if store.Ping() {
status = http.StatusOK
}
w.WriteHeader(status)
}
}