mirror of https://github.com/milvus-io/milvus.git
82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
// Copyright (C) 2019-2020 Zilliz. 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 roles
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net/http"
|
|
|
|
"github.com/milvus-io/milvus/internal/log"
|
|
"github.com/milvus-io/milvus/internal/proto/commonpb"
|
|
"github.com/milvus-io/milvus/internal/util/healthz"
|
|
"go.uber.org/zap"
|
|
|
|
"github.com/milvus-io/milvus/internal/proto/internalpb"
|
|
)
|
|
|
|
func unhealthyHandler(w http.ResponseWriter, r *http.Request, reason string) {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
w.Header().Set(healthz.ContentTypeHeader, healthz.ContentTypeText)
|
|
_, err := fmt.Fprint(w, reason)
|
|
if err != nil {
|
|
log.Warn("failed to send response",
|
|
zap.Error(err))
|
|
}
|
|
}
|
|
|
|
func healthyHandler(w http.ResponseWriter, r *http.Request) {
|
|
var err error
|
|
|
|
w.WriteHeader(http.StatusOK)
|
|
w.Header().Set(healthz.ContentTypeHeader, healthz.ContentTypeText)
|
|
_, err = fmt.Fprint(w, "OK")
|
|
if err != nil {
|
|
log.Warn("failed to send response",
|
|
zap.Error(err))
|
|
}
|
|
}
|
|
|
|
type GetComponentStatesInterface interface {
|
|
GetComponentStates(ctx context.Context, request *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error)
|
|
}
|
|
|
|
type componentsHealthzHandler struct {
|
|
component GetComponentStatesInterface
|
|
}
|
|
|
|
func (handler *componentsHealthzHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
states, err := handler.component.GetComponentStates(context.Background(), &internalpb.GetComponentStatesRequest{})
|
|
|
|
if err != nil {
|
|
unhealthyHandler(w, r, err.Error())
|
|
return
|
|
}
|
|
|
|
if states == nil {
|
|
unhealthyHandler(w, r, "failed to get states")
|
|
return
|
|
}
|
|
|
|
if states.Status == nil {
|
|
unhealthyHandler(w, r, "failed to get status")
|
|
return
|
|
}
|
|
|
|
if states.Status.ErrorCode != commonpb.ErrorCode_Success {
|
|
unhealthyHandler(w, r, states.Status.Reason)
|
|
return
|
|
}
|
|
|
|
healthyHandler(w, r)
|
|
}
|