etcd/tests/functional/rejoin_test.go
2014-04-17 10:16:30 -07:00

70 lines
1.6 KiB
Go

package test
import (
"fmt"
"math/rand"
"os"
"strconv"
"strings"
"testing"
"time"
"github.com/coreos/etcd/third_party/github.com/coreos/go-etcd/etcd"
)
func increasePeerAddressPort(args []string, delta int) []string {
for i, arg := range args {
if !strings.Contains(arg, "peer-addr") {
continue
}
splitArg := strings.Split(arg, ":")
port, _ := strconv.Atoi(splitArg[len(splitArg)-1])
args[i] = "-peer-addr=127.0.0.1:" + strconv.Itoa(port+delta)
return args
}
return append(args, "-peer-addr=127.0.0.1:"+strconv.Itoa(7001+delta))
}
// Create a five-node cluster
// Random kill one of the nodes and restart it with different peer address
func TestRejoinWithDifferentPeerAddress(t *testing.T) {
procAttr := new(os.ProcAttr)
procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
clusterSize := 5
argGroup, etcds, err := CreateCluster(clusterSize, procAttr, false)
if err != nil {
t.Fatal("cannot create cluster")
}
defer DestroyCluster(etcds)
time.Sleep(2 * time.Second)
for i := 0; i < 10; i++ {
num := rand.Int() % clusterSize
fmt.Println("kill node", num+1)
// kill
etcds[num].Kill()
etcds[num].Release()
time.Sleep(time.Second)
argGroup[num] = increasePeerAddressPort(argGroup[num], clusterSize)
// restart
etcds[num], err = os.StartProcess(EtcdBinPath, argGroup[num], procAttr)
if err != nil {
panic(err)
}
time.Sleep(time.Second)
}
c := etcd.NewClient(nil)
c.SyncCluster()
result, err := c.Set("foo", "bar", 0)
if err != nil || result.Node.Key != "/foo" || result.Node.Value != "bar" {
t.Fatal("Failed to set value in etcd cluster")
}
}