756 lines
18 KiB
Go
756 lines
18 KiB
Go
// 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 integration
|
|
|
|
import (
|
|
"reflect"
|
|
"sort"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/coreos/etcd/clientv3"
|
|
"github.com/coreos/etcd/clientv3/concurrency"
|
|
"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
|
|
"github.com/coreos/etcd/integration"
|
|
"github.com/coreos/etcd/pkg/testutil"
|
|
"golang.org/x/net/context"
|
|
"google.golang.org/grpc"
|
|
)
|
|
|
|
func TestLeaseNotFoundError(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
kv := clus.RandClient()
|
|
|
|
_, err := kv.Put(context.TODO(), "foo", "bar", clientv3.WithLease(clientv3.LeaseID(500)))
|
|
if err != rpctypes.ErrLeaseNotFound {
|
|
t.Fatalf("expected %v, got %v", rpctypes.ErrLeaseNotFound, err)
|
|
}
|
|
}
|
|
|
|
func TestLeaseGrant(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
lapi := clus.RandClient()
|
|
|
|
kv := clus.RandClient()
|
|
|
|
resp, err := lapi.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
|
|
_, err = kv.Put(context.TODO(), "foo", "bar", clientv3.WithLease(resp.ID))
|
|
if err != nil {
|
|
t.Fatalf("failed to create key with lease %v", err)
|
|
}
|
|
}
|
|
|
|
func TestLeaseRevoke(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
lapi := clus.RandClient()
|
|
|
|
kv := clus.RandClient()
|
|
|
|
resp, err := lapi.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
|
|
_, err = lapi.Revoke(context.Background(), clientv3.LeaseID(resp.ID))
|
|
if err != nil {
|
|
t.Errorf("failed to revoke lease %v", err)
|
|
}
|
|
|
|
_, err = kv.Put(context.TODO(), "foo", "bar", clientv3.WithLease(resp.ID))
|
|
if err != rpctypes.ErrLeaseNotFound {
|
|
t.Fatalf("err = %v, want %v", err, rpctypes.ErrLeaseNotFound)
|
|
}
|
|
}
|
|
|
|
func TestLeaseKeepAliveOnce(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
lapi := clus.RandClient()
|
|
|
|
resp, err := lapi.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
|
|
_, err = lapi.KeepAliveOnce(context.Background(), resp.ID)
|
|
if err != nil {
|
|
t.Errorf("failed to keepalive lease %v", err)
|
|
}
|
|
|
|
_, err = lapi.KeepAliveOnce(context.Background(), clientv3.LeaseID(0))
|
|
if err != rpctypes.ErrLeaseNotFound {
|
|
t.Errorf("expected %v, got %v", rpctypes.ErrLeaseNotFound, err)
|
|
}
|
|
}
|
|
|
|
func TestLeaseKeepAlive(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
lapi := clus.Client(0)
|
|
clus.TakeClient(0)
|
|
|
|
resp, err := lapi.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
|
|
rc, kerr := lapi.KeepAlive(context.Background(), resp.ID)
|
|
if kerr != nil {
|
|
t.Errorf("failed to keepalive lease %v", kerr)
|
|
}
|
|
|
|
kresp, ok := <-rc
|
|
if !ok {
|
|
t.Errorf("chan is closed, want not closed")
|
|
}
|
|
|
|
if kresp.ID != resp.ID {
|
|
t.Errorf("ID = %x, want %x", kresp.ID, resp.ID)
|
|
}
|
|
|
|
lapi.Close()
|
|
|
|
_, ok = <-rc
|
|
if ok {
|
|
t.Errorf("chan is not closed, want lease Close() closes chan")
|
|
}
|
|
}
|
|
|
|
func TestLeaseKeepAliveOneSecond(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
|
|
resp, err := cli.Grant(context.Background(), 1)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
rc, kerr := cli.KeepAlive(context.Background(), resp.ID)
|
|
if kerr != nil {
|
|
t.Errorf("failed to keepalive lease %v", kerr)
|
|
}
|
|
|
|
for i := 0; i < 3; i++ {
|
|
if _, ok := <-rc; !ok {
|
|
t.Errorf("chan is closed, want not closed")
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: add a client that can connect to all the members of cluster via unix sock.
|
|
// TODO: test handle more complicated failures.
|
|
func TestLeaseKeepAliveHandleFailure(t *testing.T) {
|
|
t.Skip("test it when we have a cluster client")
|
|
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
// TODO: change this line to get a cluster client
|
|
lapi := clus.RandClient()
|
|
|
|
resp, err := lapi.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
|
|
rc, kerr := lapi.KeepAlive(context.Background(), resp.ID)
|
|
if kerr != nil {
|
|
t.Errorf("failed to keepalive lease %v", kerr)
|
|
}
|
|
|
|
kresp := <-rc
|
|
if kresp.ID != resp.ID {
|
|
t.Errorf("ID = %x, want %x", kresp.ID, resp.ID)
|
|
}
|
|
|
|
// restart the connected member.
|
|
clus.Members[0].Stop(t)
|
|
|
|
select {
|
|
case <-rc:
|
|
t.Fatalf("unexpected keepalive")
|
|
case <-time.After(10*time.Second/3 + 1):
|
|
}
|
|
|
|
// recover the member.
|
|
clus.Members[0].Restart(t)
|
|
|
|
kresp = <-rc
|
|
if kresp.ID != resp.ID {
|
|
t.Errorf("ID = %x, want %x", kresp.ID, resp.ID)
|
|
}
|
|
|
|
lapi.Close()
|
|
|
|
_, ok := <-rc
|
|
if ok {
|
|
t.Errorf("chan is not closed, want lease Close() closes chan")
|
|
}
|
|
}
|
|
|
|
type leaseCh struct {
|
|
lid clientv3.LeaseID
|
|
ch <-chan *clientv3.LeaseKeepAliveResponse
|
|
}
|
|
|
|
// TestLeaseKeepAliveNotFound ensures a revoked lease won't stop other keep alives
|
|
func TestLeaseKeepAliveNotFound(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.RandClient()
|
|
lchs := []leaseCh{}
|
|
for i := 0; i < 3; i++ {
|
|
resp, rerr := cli.Grant(context.TODO(), 5)
|
|
if rerr != nil {
|
|
t.Fatal(rerr)
|
|
}
|
|
kach, kaerr := cli.KeepAlive(context.Background(), resp.ID)
|
|
if kaerr != nil {
|
|
t.Fatal(kaerr)
|
|
}
|
|
lchs = append(lchs, leaseCh{resp.ID, kach})
|
|
}
|
|
|
|
if _, err := cli.Revoke(context.TODO(), lchs[1].lid); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
<-lchs[0].ch
|
|
if _, ok := <-lchs[0].ch; !ok {
|
|
t.Fatalf("closed keepalive on wrong lease")
|
|
}
|
|
|
|
timec := time.After(5 * time.Second)
|
|
for range lchs[1].ch {
|
|
select {
|
|
case <-timec:
|
|
t.Fatalf("revoke did not close keep alive")
|
|
default:
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestLeaseGrantErrConnClosed(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
clus.TakeClient(0)
|
|
|
|
donec := make(chan struct{})
|
|
go func() {
|
|
defer close(donec)
|
|
_, err := cli.Grant(context.TODO(), 5)
|
|
if err != nil && err != grpc.ErrClientConnClosing {
|
|
t.Fatalf("expected %v, got %v", grpc.ErrClientConnClosing, err)
|
|
}
|
|
}()
|
|
|
|
if err := cli.Close(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
select {
|
|
case <-time.After(3 * time.Second):
|
|
t.Fatal("le.Grant took too long")
|
|
case <-donec:
|
|
}
|
|
}
|
|
|
|
func TestLeaseGrantNewAfterClose(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
clus.TakeClient(0)
|
|
if err := cli.Close(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
donec := make(chan struct{})
|
|
go func() {
|
|
if _, err := cli.Grant(context.TODO(), 5); err != grpc.ErrClientConnClosing {
|
|
t.Fatalf("expected %v, got %v", grpc.ErrClientConnClosing, err)
|
|
}
|
|
close(donec)
|
|
}()
|
|
select {
|
|
case <-time.After(3 * time.Second):
|
|
t.Fatal("le.Grant took too long")
|
|
case <-donec:
|
|
}
|
|
}
|
|
|
|
func TestLeaseRevokeNewAfterClose(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
resp, err := cli.Grant(context.TODO(), 5)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
leaseID := resp.ID
|
|
|
|
clus.TakeClient(0)
|
|
if err := cli.Close(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
donec := make(chan struct{})
|
|
go func() {
|
|
if _, err := cli.Revoke(context.TODO(), leaseID); err != grpc.ErrClientConnClosing {
|
|
t.Fatalf("expected %v, got %v", grpc.ErrClientConnClosing, err)
|
|
}
|
|
close(donec)
|
|
}()
|
|
select {
|
|
case <-time.After(3 * time.Second):
|
|
t.Fatal("le.Revoke took too long")
|
|
case <-donec:
|
|
}
|
|
}
|
|
|
|
// TestLeaseKeepAliveCloseAfterDisconnectExpire ensures the keep alive channel is closed
|
|
// following a disconnection, lease revoke, then reconnect.
|
|
func TestLeaseKeepAliveCloseAfterDisconnectRevoke(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
|
|
// setup lease and do a keepalive
|
|
resp, err := cli.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
rc, kerr := cli.KeepAlive(context.Background(), resp.ID)
|
|
if kerr != nil {
|
|
t.Fatal(kerr)
|
|
}
|
|
kresp := <-rc
|
|
if kresp.ID != resp.ID {
|
|
t.Fatalf("ID = %x, want %x", kresp.ID, resp.ID)
|
|
}
|
|
|
|
// keep client disconnected
|
|
clus.Members[0].Stop(t)
|
|
time.Sleep(time.Second)
|
|
clus.WaitLeader(t)
|
|
|
|
if _, err := clus.Client(1).Revoke(context.TODO(), resp.ID); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
clus.Members[0].Restart(t)
|
|
|
|
// some keep-alives may still be buffered; drain until close
|
|
timer := time.After(time.Duration(kresp.TTL) * time.Second)
|
|
for kresp != nil {
|
|
select {
|
|
case kresp = <-rc:
|
|
case <-timer:
|
|
t.Fatalf("keepalive channel did not close")
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestLeaseKeepAliveInitTimeout ensures the keep alive channel closes if
|
|
// the initial keep alive request never gets a response.
|
|
func TestLeaseKeepAliveInitTimeout(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
|
|
// setup lease and do a keepalive
|
|
resp, err := cli.Grant(context.Background(), 5)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// keep client disconnected
|
|
clus.Members[0].Stop(t)
|
|
rc, kerr := cli.KeepAlive(context.Background(), resp.ID)
|
|
if kerr != nil {
|
|
t.Fatal(kerr)
|
|
}
|
|
select {
|
|
case ka, ok := <-rc:
|
|
if ok {
|
|
t.Fatalf("unexpected keepalive %v, expected closed channel", ka)
|
|
}
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatalf("keepalive channel did not close")
|
|
}
|
|
|
|
clus.Members[0].Restart(t)
|
|
}
|
|
|
|
// TestLeaseKeepAliveInitTimeout ensures the keep alive channel closes if
|
|
// a keep alive request after the first never gets a response.
|
|
func TestLeaseKeepAliveTTLTimeout(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
|
|
// setup lease and do a keepalive
|
|
resp, err := cli.Grant(context.Background(), 5)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
rc, kerr := cli.KeepAlive(context.Background(), resp.ID)
|
|
if kerr != nil {
|
|
t.Fatal(kerr)
|
|
}
|
|
if kresp := <-rc; kresp.ID != resp.ID {
|
|
t.Fatalf("ID = %x, want %x", kresp.ID, resp.ID)
|
|
}
|
|
|
|
// keep client disconnected
|
|
clus.Members[0].Stop(t)
|
|
select {
|
|
case ka, ok := <-rc:
|
|
if ok {
|
|
t.Fatalf("unexpected keepalive %v, expected closed channel", ka)
|
|
}
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatalf("keepalive channel did not close")
|
|
}
|
|
|
|
clus.Members[0].Restart(t)
|
|
}
|
|
|
|
func TestLeaseTimeToLive(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
lapi := clus.RandClient()
|
|
|
|
resp, err := lapi.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
|
|
kv := clus.RandClient()
|
|
keys := []string{"foo1", "foo2"}
|
|
for i := range keys {
|
|
if _, err = kv.Put(context.TODO(), keys[i], "bar", clientv3.WithLease(resp.ID)); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
lresp, lerr := lapi.TimeToLive(context.Background(), resp.ID, clientv3.WithAttachedKeys())
|
|
if lerr != nil {
|
|
t.Fatal(lerr)
|
|
}
|
|
if lresp.ID != resp.ID {
|
|
t.Fatalf("leaseID expected %d, got %d", resp.ID, lresp.ID)
|
|
}
|
|
if lresp.GrantedTTL != int64(10) {
|
|
t.Fatalf("GrantedTTL expected %d, got %d", 10, lresp.GrantedTTL)
|
|
}
|
|
if lresp.TTL == 0 || lresp.TTL > lresp.GrantedTTL {
|
|
t.Fatalf("unexpected TTL %d (granted %d)", lresp.TTL, lresp.GrantedTTL)
|
|
}
|
|
ks := make([]string, len(lresp.Keys))
|
|
for i := range lresp.Keys {
|
|
ks[i] = string(lresp.Keys[i])
|
|
}
|
|
sort.Strings(ks)
|
|
if !reflect.DeepEqual(ks, keys) {
|
|
t.Fatalf("keys expected %v, got %v", keys, ks)
|
|
}
|
|
|
|
lresp, lerr = lapi.TimeToLive(context.Background(), resp.ID)
|
|
if lerr != nil {
|
|
t.Fatal(lerr)
|
|
}
|
|
if len(lresp.Keys) != 0 {
|
|
t.Fatalf("unexpected keys %+v", lresp.Keys)
|
|
}
|
|
}
|
|
|
|
func TestLeaseTimeToLiveLeaseNotFound(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.RandClient()
|
|
resp, err := cli.Grant(context.Background(), 10)
|
|
if err != nil {
|
|
t.Errorf("failed to create lease %v", err)
|
|
}
|
|
_, err = cli.Revoke(context.Background(), resp.ID)
|
|
if err != nil {
|
|
t.Errorf("failed to Revoke lease %v", err)
|
|
}
|
|
|
|
lresp, err := cli.TimeToLive(context.Background(), resp.ID)
|
|
// TimeToLive() doesn't return LeaseNotFound error
|
|
// but return a response with TTL to be -1
|
|
if err != nil {
|
|
t.Fatalf("expected err to be nil")
|
|
}
|
|
if lresp == nil {
|
|
t.Fatalf("expected lresp not to be nil")
|
|
}
|
|
if lresp.ResponseHeader == nil {
|
|
t.Fatalf("expected ResponseHeader not to be nil")
|
|
}
|
|
if lresp.ID != resp.ID {
|
|
t.Fatalf("expected Lease ID %v, but got %v", resp.ID, lresp.ID)
|
|
}
|
|
if lresp.TTL != -1 {
|
|
t.Fatalf("expected TTL %v, but got %v", lresp.TTL, lresp.TTL)
|
|
}
|
|
}
|
|
|
|
// TestLeaseRenewLostQuorum ensures keepalives work after losing quorum
|
|
// for a while.
|
|
func TestLeaseRenewLostQuorum(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
r, err := cli.Grant(context.TODO(), 4)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
kctx, kcancel := context.WithCancel(context.Background())
|
|
defer kcancel()
|
|
ka, err := cli.KeepAlive(kctx, r.ID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// consume first keepalive so next message sends when cluster is down
|
|
<-ka
|
|
lastKa := time.Now()
|
|
|
|
// force keepalive stream message to timeout
|
|
clus.Members[1].Stop(t)
|
|
clus.Members[2].Stop(t)
|
|
// Use TTL-2 since the client closes the keepalive channel if no
|
|
// keepalive arrives before the lease deadline; the client will
|
|
// try to resend a keepalive after TTL/3 seconds, so for a TTL of 4,
|
|
// sleeping for 2s should be sufficient time for issuing a retry.
|
|
// The cluster has two seconds to recover and reply to the keepalive.
|
|
time.Sleep(time.Duration(r.TTL-2) * time.Second)
|
|
clus.Members[1].Restart(t)
|
|
clus.Members[2].Restart(t)
|
|
|
|
if time.Since(lastKa) > time.Duration(r.TTL)*time.Second {
|
|
t.Skip("waited too long for server stop and restart")
|
|
}
|
|
|
|
select {
|
|
case _, ok := <-ka:
|
|
if !ok {
|
|
t.Fatalf("keepalive closed")
|
|
}
|
|
case <-time.After(time.Duration(r.TTL) * time.Second):
|
|
t.Fatalf("timed out waiting for keepalive")
|
|
}
|
|
}
|
|
|
|
func TestLeaseKeepAliveLoopExit(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
ctx := context.Background()
|
|
cli := clus.Client(0)
|
|
clus.TakeClient(0)
|
|
|
|
resp, err := cli.Grant(ctx, 5)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cli.Close()
|
|
|
|
_, err = cli.KeepAlive(ctx, resp.ID)
|
|
if _, ok := err.(clientv3.ErrKeepAliveHalted); !ok {
|
|
t.Fatalf("expected %T, got %v(%T)", clientv3.ErrKeepAliveHalted{}, err, err)
|
|
}
|
|
}
|
|
|
|
// TestV3LeaseFailureOverlap issues Grant and Keepalive requests to a cluster
|
|
// before, during, and after quorum loss to confirm Grant/Keepalive tolerates
|
|
// transient cluster failure.
|
|
func TestV3LeaseFailureOverlap(t *testing.T) {
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 2})
|
|
defer clus.Terminate(t)
|
|
|
|
numReqs := 5
|
|
cli := clus.Client(0)
|
|
|
|
// bring up a session, tear it down
|
|
updown := func(i int) error {
|
|
sess, err := concurrency.NewSession(cli)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ch := make(chan struct{})
|
|
go func() {
|
|
defer close(ch)
|
|
sess.Close()
|
|
}()
|
|
select {
|
|
case <-ch:
|
|
case <-time.After(time.Minute / 4):
|
|
t.Fatalf("timeout %d", i)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
mkReqs := func(n int) {
|
|
wg.Add(numReqs)
|
|
for i := 0; i < numReqs; i++ {
|
|
go func() {
|
|
defer wg.Done()
|
|
err := updown(n)
|
|
if err == nil || err == rpctypes.ErrTimeoutDueToConnectionLost {
|
|
return
|
|
}
|
|
t.Fatal(err)
|
|
}()
|
|
}
|
|
}
|
|
|
|
mkReqs(1)
|
|
clus.Members[1].Stop(t)
|
|
mkReqs(2)
|
|
time.Sleep(time.Second)
|
|
mkReqs(3)
|
|
clus.Members[1].Restart(t)
|
|
mkReqs(4)
|
|
wg.Wait()
|
|
}
|
|
|
|
// TestLeaseWithRequireLeader checks keep-alive channel close when no leader.
|
|
func TestLeaseWithRequireLeader(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 2})
|
|
defer clus.Terminate(t)
|
|
|
|
c := clus.Client(0)
|
|
lid1, err1 := c.Grant(context.TODO(), 60)
|
|
if err1 != nil {
|
|
t.Fatal(err1)
|
|
}
|
|
lid2, err2 := c.Grant(context.TODO(), 60)
|
|
if err2 != nil {
|
|
t.Fatal(err2)
|
|
}
|
|
// kaReqLeader close if the leader is lost
|
|
kaReqLeader, kerr1 := c.KeepAlive(clientv3.WithRequireLeader(context.TODO()), lid1.ID)
|
|
if kerr1 != nil {
|
|
t.Fatal(kerr1)
|
|
}
|
|
// kaWait will wait even if the leader is lost
|
|
kaWait, kerr2 := c.KeepAlive(context.TODO(), lid2.ID)
|
|
if kerr2 != nil {
|
|
t.Fatal(kerr2)
|
|
}
|
|
|
|
select {
|
|
case <-kaReqLeader:
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatalf("require leader first keep-alive timed out")
|
|
}
|
|
select {
|
|
case <-kaWait:
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatalf("leader not required first keep-alive timed out")
|
|
}
|
|
|
|
clus.Members[1].Stop(t)
|
|
// kaReqLeader may issue multiple requests while waiting for the first
|
|
// response from proxy server; drain any stray keepalive responses
|
|
time.Sleep(100 * time.Millisecond)
|
|
for len(kaReqLeader) > 0 {
|
|
<-kaReqLeader
|
|
}
|
|
|
|
select {
|
|
case resp, ok := <-kaReqLeader:
|
|
if ok {
|
|
t.Fatalf("expected closed require leader, got response %+v", resp)
|
|
}
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatal("keepalive with require leader took too long to close")
|
|
}
|
|
select {
|
|
case _, ok := <-kaWait:
|
|
if !ok {
|
|
t.Fatalf("got closed channel with no require leader, expected non-closed")
|
|
}
|
|
case <-time.After(10 * time.Millisecond):
|
|
// wait some to detect any closes happening soon after kaReqLeader closing
|
|
}
|
|
}
|