milvus/internal/http/server.go
congqixia 0bc03ede0d
Add eventlog pkg and support grpc streaming event observation (#25812)
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2023-07-25 17:23:01 +08:00

95 lines
2.3 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 http
import (
"fmt"
"net/http"
"os"
"strconv"
"time"
"go.uber.org/zap"
"github.com/milvus-io/milvus/internal/http/healthz"
"github.com/milvus-io/milvus/pkg/eventlog"
"github.com/milvus-io/milvus/pkg/log"
"github.com/milvus-io/milvus/pkg/util/paramtable"
)
const (
DefaultListenPort = "9091"
ListenPortEnvKey = "METRICS_PORT"
)
type Handler struct {
Path string
HandlerFunc http.HandlerFunc
Handler http.Handler
}
func registerDefaults() {
Register(&Handler{
Path: LogLevelRouterPath,
HandlerFunc: func(w http.ResponseWriter, req *http.Request) {
log.Level().ServeHTTP(w, req)
},
})
Register(&Handler{
Path: HealthzRouterPath,
Handler: healthz.Handler(),
})
Register(&Handler{
Path: EventLogRouterPath,
Handler: eventlog.Handler(),
})
}
func Register(h *Handler) {
if h.HandlerFunc != nil {
http.HandleFunc(h.Path, h.HandlerFunc)
return
}
if h.Handler != nil {
http.Handle(h.Path, h.Handler)
}
}
func ServeHTTP() {
registerDefaults()
go func() {
bindAddr := getHTTPAddr()
log.Info("management listen", zap.String("addr", bindAddr))
server := &http.Server{Addr: bindAddr, ReadTimeout: 10 * time.Second}
if err := server.ListenAndServe(); err != nil {
log.Error("handle metrics failed", zap.Error(err))
}
}()
}
func getHTTPAddr() string {
port := os.Getenv(ListenPortEnvKey)
_, err := strconv.Atoi(port)
if err != nil {
return fmt.Sprintf(":%s", DefaultListenPort)
}
paramtable.Get().Save(paramtable.Get().CommonCfg.MetricsPort.Key, port)
return fmt.Sprintf(":%s", port)
}