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82 lines
2.2 KiB
82 lines
2.2 KiB
/* |
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* |
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* Copyright 2016 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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package main |
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import ( |
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"context" |
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"flag" |
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"fmt" |
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"io" |
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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.Infof("%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.Infof("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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