minio/cmd/healthcheck-handler.go
Krishna Srinivas 7d19ab9f62
readiness returns error quickly if any of the set is down (#9662)
This PR adds a new configuration parameter which allows readiness
check to respond within 10secs, this can be reduced to a lower value
if necessary using 

```
mc admin config set api ready_deadline=5s
```

 or

```
export MINIO_API_READY_DEADLINE=5s
```
2020-05-23 17:38:39 -07:00

43 lines
1.4 KiB
Go

/*
* 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"
)
// ReadinessCheckHandler returns if the server is ready to receive requests.
// For FS - Checks if the backend disk is available
// For Erasure backend - Checks if all the erasure sets are writable
func ReadinessCheckHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "ReadinessCheckHandler")
objLayer := newObjectLayerWithoutSafeModeFn()
// Service not initialized yet
if objLayer == nil || !objLayer.IsReady(ctx) {
writeResponse(w, http.StatusServiceUnavailable, nil, mimeNone)
return
}
writeResponse(w, http.StatusOK, nil, mimeNone)
}
// LivenessCheckHandler - Checks if the process is up. Always returns success.
func LivenessCheckHandler(w http.ResponseWriter, r *http.Request) {
writeResponse(w, http.StatusOK, nil, mimeNone)
}