mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-25 15:21:16 +00:00
82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
/*
|
|
*
|
|
* Copyright 2016 gRPC authors.
|
|
*
|
|
* 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 main
|
|
|
|
import (
|
|
"context"
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/grpclog"
|
|
metricspb "google.golang.org/grpc/stress/grpc_testing"
|
|
)
|
|
|
|
var (
|
|
metricsServerAddress = flag.String("metrics_server_address", "", "The metrics server addresses in the fomrat <hostname>:<port>")
|
|
totalOnly = flag.Bool("total_only", false, "If true, this prints only the total value of all gauges")
|
|
)
|
|
|
|
func printMetrics(client metricspb.MetricsServiceClient, totalOnly bool) {
|
|
stream, err := client.GetAllGauges(context.Background(), &metricspb.EmptyMessage{})
|
|
if err != nil {
|
|
grpclog.Fatalf("failed to call GetAllGuages: %v", err)
|
|
}
|
|
|
|
var (
|
|
overallQPS int64
|
|
rpcStatus error
|
|
)
|
|
for {
|
|
gaugeResponse, err := stream.Recv()
|
|
if err != nil {
|
|
rpcStatus = err
|
|
break
|
|
}
|
|
if _, ok := gaugeResponse.GetValue().(*metricspb.GaugeResponse_LongValue); !ok {
|
|
panic(fmt.Sprintf("gauge %s is not a long value", gaugeResponse.Name))
|
|
}
|
|
v := gaugeResponse.GetLongValue()
|
|
if !totalOnly {
|
|
grpclog.Infof("%s: %d", gaugeResponse.Name, v)
|
|
}
|
|
overallQPS += v
|
|
}
|
|
if rpcStatus != io.EOF {
|
|
grpclog.Fatalf("failed to finish server streaming: %v", rpcStatus)
|
|
}
|
|
grpclog.Infof("overall qps: %d", overallQPS)
|
|
}
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
if *metricsServerAddress == "" {
|
|
grpclog.Fatalf("Metrics server address is empty.")
|
|
}
|
|
|
|
conn, err := grpc.Dial(*metricsServerAddress, grpc.WithInsecure())
|
|
if err != nil {
|
|
grpclog.Fatalf("cannot connect to metrics server: %v", err)
|
|
}
|
|
defer conn.Close()
|
|
|
|
c := metricspb.NewMetricsServiceClient(conn)
|
|
printMetrics(c, *totalOnly)
|
|
}
|