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// Copyright 2016 The etcd 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 cmd
import (
"context"
"fmt"
"time"
v3 "go.etcd.io/etcd/client/v3"
"go.etcd.io/etcd/pkg/v3/report"
"github.com/spf13/cobra"
"gopkg.in/cheggaaa/pb.v1"
)
var leaseKeepaliveCmd = &cobra.Command{
Use: "lease-keepalive",
Short: "Benchmark lease keepalive",
Run: leaseKeepaliveFunc,
}
var (
leaseKeepaliveTotal int
)
func init() {
RootCmd.AddCommand(leaseKeepaliveCmd)
leaseKeepaliveCmd.Flags().IntVar(&leaseKeepaliveTotal, "total", 10000, "Total number of lease keepalive requests")
}
func leaseKeepaliveFunc(cmd *cobra.Command, args []string) {
requests := make(chan struct{})
clients := mustCreateClients(totalClients, totalConns)
bar = pb.New(leaseKeepaliveTotal)
bar.Format("Bom !")
bar.Start()
r := newReport()
for i := range clients {
wg.Add(1)
go func(c v3.Lease) {
defer wg.Done()
resp, err := c.Grant(context.Background(), 100)
if err != nil {
panic(err)
}
for range requests {
st := time.Now()
_, err := c.KeepAliveOnce(context.TODO(), resp.ID)
r.Results() <- report.Result{Err: err, Start: st, End: time.Now()}
bar.Increment()
}
}(clients[i])
}
wg.Add(1)
go func() {
defer wg.Done()
for i := 0; i < leaseKeepaliveTotal; i++ {
requests <- struct{}{}
}
close(requests)
}()
rc := r.Run()
wg.Wait()
close(r.Results())
bar.Finish()
fmt.Printf("%s", <-rc)
}
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