forked from google/cloudprober
/
servers.go
60 lines (53 loc) · 1.79 KB
/
servers.go
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// Copyright 2017 Google 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.
/*
servers package provides an interface to initialize cloudprober servers using servers config.
*/
package servers
import (
"context"
"github.com/golang/glog"
"github.com/google/cloudprober/logger"
"github.com/google/cloudprober/metrics"
"github.com/google/cloudprober/servers/http"
"github.com/google/cloudprober/servers/udp"
)
const (
logsNamePrefix = "cloudprober"
)
func newLogger(ctx context.Context, logName string) (*logger.Logger, error) {
return logger.New(ctx, logsNamePrefix+"."+logName)
}
// Start initializes and starts cloudprober servers, based on the provided config.
func Start(ctx context.Context, serverProtobufs []*Server, dataChan chan<- *metrics.EventMetrics) {
for _, s := range serverProtobufs {
runServer(ctx, s, dataChan)
}
}
func runServer(ctx context.Context, s *Server, dataChan chan<- *metrics.EventMetrics) {
l, err := newLogger(ctx, s.GetType().String())
if err != nil {
glog.Exitf("Error initializing logger for %s. Err: %v", s.GetType().String(), err)
}
switch s.GetType() {
case Server_HTTP:
go func() {
glog.Exit(http.ListenAndServe(ctx, s.GetHttpServer(), dataChan, l))
}()
case Server_UDP:
go func() {
glog.Exit(udp.ListenAndServe(ctx, s.GetUdpServer(), l))
}()
}
}