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minio/cmd/healthcheck-router.go

49 lines
1.8 KiB

/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* 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 cmd
import (
"net/http"
"github.com/gorilla/mux"
)
const (
healthCheckPath = "/health"
healthCheckLivenessPath = "/live"
healthCheckReadinessPath = "/ready"
healthCheckClusterPath = "/cluster"
healthCheckPathPrefix = minioReservedBucketPath + healthCheckPath
)
// registerHealthCheckRouter - add handler functions for liveness and readiness routes.
func registerHealthCheckRouter(router *mux.Router) {
// Healthcheck router
healthRouter := router.PathPrefix(healthCheckPathPrefix).Subrouter()
// Cluster check handler to verify cluster is active
healthRouter.Methods(http.MethodGet).Path(healthCheckClusterPath).HandlerFunc(httpTraceAll(ClusterCheckHandler))
// Liveness handler
healthRouter.Methods(http.MethodGet).Path(healthCheckLivenessPath).HandlerFunc(httpTraceAll(LivenessCheckHandler))
healthRouter.Methods(http.MethodHead).Path(healthCheckLivenessPath).HandlerFunc(httpTraceAll(LivenessCheckHandler))
// Readiness handler
healthRouter.Methods(http.MethodGet).Path(healthCheckReadinessPath).HandlerFunc(httpTraceAll(ReadinessCheckHandler))
healthRouter.Methods(http.MethodHead).Path(healthCheckReadinessPath).HandlerFunc(httpTraceAll(ReadinessCheckHandler))
}