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main.go
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main.go
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package main
import (
"flag"
"fmt"
"log"
"os"
"os/exec"
"strconv"
"strings"
"sync"
)
func main() {
var (
flagServerCount int
flagStartPort int
flagVerbose bool
)
flag.BoolVar(&flagVerbose, "v", false, "print ardb output")
flag.IntVar(&flagServerCount, "n", 1, "amount of ardb servers to run")
flag.IntVar(&flagStartPort, "port", 16380, "first of multiple consecutive ardb-used ports")
flag.Parse()
if flagServerCount < 1 {
log.Fatal("at least 1 ardb server is required")
}
var wg sync.WaitGroup
wg.Add(flagServerCount)
var servers []string
for i := 0; i < flagServerCount; i++ {
port := strconv.Itoa(flagStartPort + i)
cmd := exec.Command("redis-server", "--port", port)
cmd.Stderr = os.Stderr
if flagVerbose {
cmd.Stdout = os.Stdout
}
if err := cmd.Start(); err != nil {
log.Fatal(err)
}
go func() {
defer wg.Done()
cmd.Wait()
}()
servers = append(servers, fmt.Sprintf("localhost:%s", port))
}
fmt.Println(strings.Join(servers, ","))
wg.Wait()
}