98 lines
3.1 KiB
Go
98 lines
3.1 KiB
Go
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/*
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*
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* Copyright 2016, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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package main
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import (
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"flag"
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"fmt"
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"io"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"google.golang.org/grpc/grpclog"
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metricspb "google.golang.org/grpc/stress/grpc_testing"
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)
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var (
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metricsServerAddress = flag.String("metrics_server_address", "", "The metrics server addresses in the fomrat <hostname>:<port>")
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totalOnly = flag.Bool("total_only", false, "If true, this prints only the total value of all gauges")
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)
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func printMetrics(client metricspb.MetricsServiceClient, totalOnly bool) {
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stream, err := client.GetAllGauges(context.Background(), &metricspb.EmptyMessage{})
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if err != nil {
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grpclog.Fatalf("failed to call GetAllGuages: %v", err)
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}
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var (
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overallQPS int64
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rpcStatus error
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)
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for {
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gaugeResponse, err := stream.Recv()
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if err != nil {
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rpcStatus = err
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break
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}
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if _, ok := gaugeResponse.GetValue().(*metricspb.GaugeResponse_LongValue); !ok {
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panic(fmt.Sprintf("gauge %s is not a long value", gaugeResponse.Name))
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}
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v := gaugeResponse.GetLongValue()
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if !totalOnly {
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grpclog.Printf("%s: %d", gaugeResponse.Name, v)
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}
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overallQPS += v
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}
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if rpcStatus != io.EOF {
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grpclog.Fatalf("failed to finish server streaming: %v", rpcStatus)
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}
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grpclog.Printf("overall qps: %d", overallQPS)
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}
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func main() {
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flag.Parse()
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if *metricsServerAddress == "" {
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grpclog.Fatalf("Metrics server address is empty.")
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}
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conn, err := grpc.Dial(*metricsServerAddress, grpc.WithInsecure())
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if err != nil {
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grpclog.Fatalf("cannot connect to metrics server: %v", err)
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}
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defer conn.Close()
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c := metricspb.NewMetricsServiceClient(conn)
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printMetrics(c, *totalOnly)
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}
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