898 lines
25 KiB
Go
898 lines
25 KiB
Go
// Copyright 2016 The etcd 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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package integration
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import (
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"bytes"
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"math/rand"
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"os"
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"reflect"
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"strings"
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"testing"
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"time"
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"github.com/coreos/etcd/clientv3"
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"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
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"github.com/coreos/etcd/integration"
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"github.com/coreos/etcd/mvcc/mvccpb"
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"github.com/coreos/etcd/pkg/testutil"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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)
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func TestKVPutError(t *testing.T) {
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defer testutil.AfterTest(t)
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var (
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maxReqBytes = 1.5 * 1024 * 1024 // hard coded max in v3_server.go
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quota = int64(int(maxReqBytes) + 8*os.Getpagesize())
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)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1, QuotaBackendBytes: quota})
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defer clus.Terminate(t)
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kv := clus.RandClient()
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ctx := context.TODO()
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_, err := kv.Put(ctx, "", "bar")
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if err != rpctypes.ErrEmptyKey {
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t.Fatalf("expected %v, got %v", rpctypes.ErrEmptyKey, err)
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}
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_, err = kv.Put(ctx, "key", strings.Repeat("a", int(maxReqBytes+100)))
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if err != rpctypes.ErrRequestTooLarge {
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t.Fatalf("expected %v, got %v", rpctypes.ErrRequestTooLarge, err)
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}
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_, err = kv.Put(ctx, "foo1", strings.Repeat("a", int(maxReqBytes-50)))
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if err != nil { // below quota
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t.Fatal(err)
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}
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time.Sleep(1 * time.Second) // give enough time for commit
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_, err = kv.Put(ctx, "foo2", strings.Repeat("a", int(maxReqBytes-50)))
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if err != rpctypes.ErrNoSpace { // over quota
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t.Fatalf("expected %v, got %v", rpctypes.ErrNoSpace, err)
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}
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}
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func TestKVPut(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
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defer clus.Terminate(t)
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lapi := clus.RandClient()
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kv := clus.RandClient()
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ctx := context.TODO()
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resp, err := lapi.Grant(context.Background(), 10)
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if err != nil {
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t.Fatalf("failed to create lease %v", err)
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}
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tests := []struct {
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key, val string
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leaseID clientv3.LeaseID
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}{
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{"foo", "bar", clientv3.NoLease},
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{"hello", "world", resp.ID},
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}
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for i, tt := range tests {
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if _, err := kv.Put(ctx, tt.key, tt.val, clientv3.WithLease(tt.leaseID)); err != nil {
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t.Fatalf("#%d: couldn't put %q (%v)", i, tt.key, err)
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}
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resp, err := kv.Get(ctx, tt.key)
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if err != nil {
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t.Fatalf("#%d: couldn't get key (%v)", i, err)
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}
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if len(resp.Kvs) != 1 {
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t.Fatalf("#%d: expected 1 key, got %d", i, len(resp.Kvs))
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}
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if !bytes.Equal([]byte(tt.val), resp.Kvs[0].Value) {
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t.Errorf("#%d: val = %s, want %s", i, tt.val, resp.Kvs[0].Value)
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}
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if tt.leaseID != clientv3.LeaseID(resp.Kvs[0].Lease) {
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t.Errorf("#%d: val = %d, want %d", i, tt.leaseID, resp.Kvs[0].Lease)
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}
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}
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}
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// TestKVPutWithIgnoreValue ensures that Put with WithIgnoreValue does not clobber the old value.
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func TestKVPutWithIgnoreValue(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
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defer clus.Terminate(t)
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kv := clus.RandClient()
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_, err := kv.Put(context.TODO(), "foo", "", clientv3.WithIgnoreValue())
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if err != rpctypes.ErrKeyNotFound {
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t.Fatalf("err expected %v, got %v", rpctypes.ErrKeyNotFound, err)
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}
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if _, err := kv.Put(context.TODO(), "foo", "bar"); err != nil {
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t.Fatal(err)
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}
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if _, err := kv.Put(context.TODO(), "foo", "", clientv3.WithIgnoreValue()); err != nil {
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t.Fatal(err)
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}
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rr, rerr := kv.Get(context.TODO(), "foo")
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if rerr != nil {
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t.Fatal(rerr)
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}
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if len(rr.Kvs) != 1 {
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t.Fatalf("len(rr.Kvs) expected 1, got %d", len(rr.Kvs))
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}
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if !bytes.Equal(rr.Kvs[0].Value, []byte("bar")) {
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t.Fatalf("value expected 'bar', got %q", rr.Kvs[0].Value)
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}
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}
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// TestKVPutWithIgnoreLease ensures that Put with WithIgnoreLease does not affect the existing lease for the key.
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func TestKVPutWithIgnoreLease(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
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defer clus.Terminate(t)
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kv := clus.RandClient()
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lapi := clus.RandClient()
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resp, err := lapi.Grant(context.Background(), 10)
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if err != nil {
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t.Errorf("failed to create lease %v", err)
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}
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if _, err := kv.Put(context.TODO(), "zoo", "bar", clientv3.WithIgnoreLease()); err != rpctypes.ErrKeyNotFound {
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t.Fatalf("err expected %v, got %v", rpctypes.ErrKeyNotFound, err)
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}
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if _, err := kv.Put(context.TODO(), "zoo", "bar", clientv3.WithLease(resp.ID)); err != nil {
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t.Fatal(err)
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}
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if _, err := kv.Put(context.TODO(), "zoo", "bar1", clientv3.WithIgnoreLease()); err != nil {
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t.Fatal(err)
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}
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rr, rerr := kv.Get(context.TODO(), "zoo")
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if rerr != nil {
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t.Fatal(rerr)
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}
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if len(rr.Kvs) != 1 {
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t.Fatalf("len(rr.Kvs) expected 1, got %d", len(rr.Kvs))
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}
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if rr.Kvs[0].Lease != int64(resp.ID) {
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t.Fatalf("lease expected %v, got %v", resp.ID, rr.Kvs[0].Lease)
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}
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}
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func TestKVPutWithRequireLeader(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
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defer clus.Terminate(t)
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clus.Members[1].Stop(t)
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clus.Members[2].Stop(t)
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// wait for election timeout, then member[0] will not have a leader.
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var (
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electionTicks = 10
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tickDuration = 10 * time.Millisecond
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)
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time.Sleep(time.Duration(3*electionTicks) * tickDuration)
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kv := clus.Client(0)
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_, err := kv.Put(clientv3.WithRequireLeader(context.Background()), "foo", "bar")
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if err != rpctypes.ErrNoLeader {
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t.Fatal(err)
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}
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// clients may give timeout errors since the members are stopped; take
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// the clients so that terminating the cluster won't complain
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clus.Client(1).Close()
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clus.Client(2).Close()
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clus.TakeClient(1)
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clus.TakeClient(2)
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}
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func TestKVRange(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
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defer clus.Terminate(t)
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kv := clus.RandClient()
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ctx := context.TODO()
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keySet := []string{"a", "b", "c", "c", "c", "foo", "foo/abc", "fop"}
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for i, key := range keySet {
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if _, err := kv.Put(ctx, key, ""); err != nil {
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t.Fatalf("#%d: couldn't put %q (%v)", i, key, err)
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}
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}
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resp, err := kv.Get(ctx, keySet[0])
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if err != nil {
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t.Fatalf("couldn't get key (%v)", err)
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}
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wheader := resp.Header
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tests := []struct {
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begin, end string
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rev int64
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opts []clientv3.OpOption
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wantSet []*mvccpb.KeyValue
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}{
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// range first two
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{
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"a", "c",
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0,
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nil,
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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},
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},
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// range first two with serializable
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{
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"a", "c",
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0,
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[]clientv3.OpOption{clientv3.WithSerializable()},
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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},
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},
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// range all with rev
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{
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"a", "x",
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2,
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nil,
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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},
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},
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// range all with countOnly
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{
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"a", "x",
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2,
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[]clientv3.OpOption{clientv3.WithCountOnly()},
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nil,
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},
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// range all with SortByKey, SortAscend
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend)},
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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// range all with SortByKey, missing sorting order (ASCEND by default)
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByKey, clientv3.SortNone)},
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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// range all with SortByCreateRevision, SortDescend
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByCreateRevision, clientv3.SortDescend)},
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[]*mvccpb.KeyValue{
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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},
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},
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// range all with SortByCreateRevision, missing sorting order (ASCEND by default)
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByCreateRevision, clientv3.SortNone)},
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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// range all with SortByModRevision, SortDescend
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByModRevision, clientv3.SortDescend)},
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[]*mvccpb.KeyValue{
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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},
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},
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// WithPrefix
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{
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"foo", "",
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0,
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[]clientv3.OpOption{clientv3.WithPrefix()},
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[]*mvccpb.KeyValue{
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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},
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},
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// WithFromKey
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{
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"fo", "",
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0,
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[]clientv3.OpOption{clientv3.WithFromKey()},
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[]*mvccpb.KeyValue{
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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// fetch entire keyspace using WithFromKey
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{
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"\x00", "",
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0,
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[]clientv3.OpOption{clientv3.WithFromKey(), clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend)},
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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// fetch entire keyspace using WithPrefix
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{
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"", "",
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0,
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[]clientv3.OpOption{clientv3.WithPrefix(), clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend)},
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[]*mvccpb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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}
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for i, tt := range tests {
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opts := []clientv3.OpOption{clientv3.WithRange(tt.end), clientv3.WithRev(tt.rev)}
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opts = append(opts, tt.opts...)
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resp, err := kv.Get(ctx, tt.begin, opts...)
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if err != nil {
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t.Fatalf("#%d: couldn't range (%v)", i, err)
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}
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if !reflect.DeepEqual(wheader, resp.Header) {
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t.Fatalf("#%d: wheader expected %+v, got %+v", i, wheader, resp.Header)
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}
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if !reflect.DeepEqual(tt.wantSet, resp.Kvs) {
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t.Fatalf("#%d: resp.Kvs expected %+v, got %+v", i, tt.wantSet, resp.Kvs)
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}
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}
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}
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func TestKVGetErrConnClosed(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
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defer clus.Terminate(t)
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cli := clus.Client(0)
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donec := make(chan struct{})
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go func() {
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defer close(donec)
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_, err := cli.Get(context.TODO(), "foo")
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if err != nil && err != grpc.ErrClientConnClosing {
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t.Fatalf("expected %v, got %v", grpc.ErrClientConnClosing, err)
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}
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}()
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if err := cli.Close(); err != nil {
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t.Fatal(err)
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}
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clus.TakeClient(0)
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select {
|
|
case <-time.After(3 * time.Second):
|
|
t.Fatal("kv.Get took too long")
|
|
case <-donec:
|
|
}
|
|
}
|
|
|
|
func TestKVNewAfterClose(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.Get(context.TODO(), "foo"); err != grpc.ErrClientConnClosing {
|
|
t.Fatalf("expected %v, got %v", grpc.ErrClientConnClosing, err)
|
|
}
|
|
close(donec)
|
|
}()
|
|
select {
|
|
case <-time.After(3 * time.Second):
|
|
t.Fatal("kv.Get took too long")
|
|
case <-donec:
|
|
}
|
|
}
|
|
|
|
func TestKVDeleteRange(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
kv := clus.RandClient()
|
|
ctx := context.TODO()
|
|
|
|
tests := []struct {
|
|
key string
|
|
opts []clientv3.OpOption
|
|
|
|
wkeys []string
|
|
}{
|
|
// [a, c)
|
|
{
|
|
key: "a",
|
|
opts: []clientv3.OpOption{clientv3.WithRange("c")},
|
|
|
|
wkeys: []string{"c", "c/abc", "d"},
|
|
},
|
|
// >= c
|
|
{
|
|
key: "c",
|
|
opts: []clientv3.OpOption{clientv3.WithFromKey()},
|
|
|
|
wkeys: []string{"a", "b"},
|
|
},
|
|
// c*
|
|
{
|
|
key: "c",
|
|
opts: []clientv3.OpOption{clientv3.WithPrefix()},
|
|
|
|
wkeys: []string{"a", "b", "d"},
|
|
},
|
|
// *
|
|
{
|
|
key: "\x00",
|
|
opts: []clientv3.OpOption{clientv3.WithFromKey()},
|
|
|
|
wkeys: []string{},
|
|
},
|
|
}
|
|
|
|
for i, tt := range tests {
|
|
keySet := []string{"a", "b", "c", "c/abc", "d"}
|
|
for j, key := range keySet {
|
|
if _, err := kv.Put(ctx, key, ""); err != nil {
|
|
t.Fatalf("#%d: couldn't put %q (%v)", j, key, err)
|
|
}
|
|
}
|
|
|
|
_, err := kv.Delete(ctx, tt.key, tt.opts...)
|
|
if err != nil {
|
|
t.Fatalf("#%d: couldn't delete range (%v)", i, err)
|
|
}
|
|
|
|
resp, err := kv.Get(ctx, "a", clientv3.WithFromKey())
|
|
if err != nil {
|
|
t.Fatalf("#%d: couldn't get keys (%v)", i, err)
|
|
}
|
|
keys := []string{}
|
|
for _, kv := range resp.Kvs {
|
|
keys = append(keys, string(kv.Key))
|
|
}
|
|
if !reflect.DeepEqual(tt.wkeys, keys) {
|
|
t.Errorf("#%d: resp.Kvs got %v, expected %v", i, keys, tt.wkeys)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestKVDelete(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
kv := clus.RandClient()
|
|
ctx := context.TODO()
|
|
|
|
presp, err := kv.Put(ctx, "foo", "")
|
|
if err != nil {
|
|
t.Fatalf("couldn't put 'foo' (%v)", err)
|
|
}
|
|
if presp.Header.Revision != 2 {
|
|
t.Fatalf("presp.Header.Revision got %d, want %d", presp.Header.Revision, 2)
|
|
}
|
|
resp, err := kv.Delete(ctx, "foo")
|
|
if err != nil {
|
|
t.Fatalf("couldn't delete key (%v)", err)
|
|
}
|
|
if resp.Header.Revision != 3 {
|
|
t.Fatalf("resp.Header.Revision got %d, want %d", resp.Header.Revision, 3)
|
|
}
|
|
gresp, err := kv.Get(ctx, "foo")
|
|
if err != nil {
|
|
t.Fatalf("couldn't get key (%v)", err)
|
|
}
|
|
if len(gresp.Kvs) > 0 {
|
|
t.Fatalf("gresp.Kvs got %+v, want none", gresp.Kvs)
|
|
}
|
|
}
|
|
|
|
func TestKVCompactError(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
kv := clus.RandClient()
|
|
ctx := context.TODO()
|
|
|
|
for i := 0; i < 5; i++ {
|
|
if _, err := kv.Put(ctx, "foo", "bar"); err != nil {
|
|
t.Fatalf("couldn't put 'foo' (%v)", err)
|
|
}
|
|
}
|
|
_, err := kv.Compact(ctx, 6)
|
|
if err != nil {
|
|
t.Fatalf("couldn't compact 6 (%v)", err)
|
|
}
|
|
|
|
_, err = kv.Compact(ctx, 6)
|
|
if err != rpctypes.ErrCompacted {
|
|
t.Fatalf("expected %v, got %v", rpctypes.ErrCompacted, err)
|
|
}
|
|
|
|
_, err = kv.Compact(ctx, 100)
|
|
if err != rpctypes.ErrFutureRev {
|
|
t.Fatalf("expected %v, got %v", rpctypes.ErrFutureRev, err)
|
|
}
|
|
}
|
|
|
|
func TestKVCompact(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
kv := clus.RandClient()
|
|
ctx := context.TODO()
|
|
|
|
for i := 0; i < 10; i++ {
|
|
if _, err := kv.Put(ctx, "foo", "bar"); err != nil {
|
|
t.Fatalf("couldn't put 'foo' (%v)", err)
|
|
}
|
|
}
|
|
|
|
_, err := kv.Compact(ctx, 7)
|
|
if err != nil {
|
|
t.Fatalf("couldn't compact kv space (%v)", err)
|
|
}
|
|
_, err = kv.Compact(ctx, 7)
|
|
if err == nil || err != rpctypes.ErrCompacted {
|
|
t.Fatalf("error got %v, want %v", err, rpctypes.ErrCompacted)
|
|
}
|
|
|
|
wcli := clus.RandClient()
|
|
// new watcher could precede receiving the compaction without quorum first
|
|
wcli.Get(ctx, "quorum-get")
|
|
|
|
wchan := wcli.Watch(ctx, "foo", clientv3.WithRev(3))
|
|
|
|
if wr := <-wchan; wr.CompactRevision != 7 {
|
|
t.Fatalf("wchan CompactRevision got %v, want 7", wr.CompactRevision)
|
|
}
|
|
if wr, ok := <-wchan; ok {
|
|
t.Fatalf("wchan got %v, expected closed", wr)
|
|
}
|
|
|
|
_, err = kv.Compact(ctx, 1000)
|
|
if err == nil || err != rpctypes.ErrFutureRev {
|
|
t.Fatalf("error got %v, want %v", err, rpctypes.ErrFutureRev)
|
|
}
|
|
}
|
|
|
|
// TestKVGetRetry ensures get will retry on disconnect.
|
|
func TestKVGetRetry(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clusterSize := 3
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: clusterSize})
|
|
defer clus.Terminate(t)
|
|
|
|
// because killing leader and following election
|
|
// could give no other endpoints for client reconnection
|
|
fIdx := (clus.WaitLeader(t) + 1) % clusterSize
|
|
|
|
kv := clus.Client(fIdx)
|
|
ctx := context.TODO()
|
|
|
|
if _, err := kv.Put(ctx, "foo", "bar"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
clus.Members[fIdx].Stop(t)
|
|
|
|
donec := make(chan struct{})
|
|
go func() {
|
|
// Get will fail, but reconnect will trigger
|
|
gresp, gerr := kv.Get(ctx, "foo")
|
|
if gerr != nil {
|
|
t.Fatal(gerr)
|
|
}
|
|
wkvs := []*mvccpb.KeyValue{
|
|
{
|
|
Key: []byte("foo"),
|
|
Value: []byte("bar"),
|
|
CreateRevision: 2,
|
|
ModRevision: 2,
|
|
Version: 1,
|
|
},
|
|
}
|
|
if !reflect.DeepEqual(gresp.Kvs, wkvs) {
|
|
t.Fatalf("bad get: got %v, want %v", gresp.Kvs, wkvs)
|
|
}
|
|
donec <- struct{}{}
|
|
}()
|
|
|
|
time.Sleep(100 * time.Millisecond)
|
|
clus.Members[fIdx].Restart(t)
|
|
|
|
select {
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatalf("timed out waiting for get")
|
|
case <-donec:
|
|
}
|
|
}
|
|
|
|
// TestKVPutFailGetRetry ensures a get will retry following a failed put.
|
|
func TestKVPutFailGetRetry(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
kv := clus.Client(0)
|
|
clus.Members[0].Stop(t)
|
|
|
|
ctx, cancel := context.WithTimeout(context.TODO(), time.Second)
|
|
defer cancel()
|
|
_, err := kv.Put(ctx, "foo", "bar")
|
|
if err == nil {
|
|
t.Fatalf("got success on disconnected put, wanted error")
|
|
}
|
|
|
|
donec := make(chan struct{})
|
|
go func() {
|
|
// Get will fail, but reconnect will trigger
|
|
gresp, gerr := kv.Get(context.TODO(), "foo")
|
|
if gerr != nil {
|
|
t.Fatal(gerr)
|
|
}
|
|
if len(gresp.Kvs) != 0 {
|
|
t.Fatalf("bad get kvs: got %+v, want empty", gresp.Kvs)
|
|
}
|
|
donec <- struct{}{}
|
|
}()
|
|
|
|
time.Sleep(100 * time.Millisecond)
|
|
clus.Members[0].Restart(t)
|
|
|
|
select {
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatalf("timed out waiting for get")
|
|
case <-donec:
|
|
}
|
|
}
|
|
|
|
// TestKVGetCancel tests that a context cancel on a Get terminates as expected.
|
|
func TestKVGetCancel(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
oldconn := clus.Client(0).ActiveConnection()
|
|
kv := clus.Client(0)
|
|
|
|
ctx, cancel := context.WithCancel(context.TODO())
|
|
cancel()
|
|
|
|
resp, err := kv.Get(ctx, "abc")
|
|
if err == nil {
|
|
t.Fatalf("cancel on get response %v, expected context error", resp)
|
|
}
|
|
newconn := clus.Client(0).ActiveConnection()
|
|
if oldconn != newconn {
|
|
t.Fatalf("cancel on get broke client connection")
|
|
}
|
|
}
|
|
|
|
// TestKVGetStoppedServerAndClose ensures closing after a failed Get works.
|
|
func TestKVGetStoppedServerAndClose(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
clus.Members[0].Stop(t)
|
|
ctx, cancel := context.WithTimeout(context.TODO(), time.Second)
|
|
// this Get fails and triggers an asynchronous connection retry
|
|
_, err := cli.Get(ctx, "abc")
|
|
cancel()
|
|
if !strings.Contains(err.Error(), "context deadline") {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// TestKVPutStoppedServerAndClose ensures closing after a failed Put works.
|
|
func TestKVPutStoppedServerAndClose(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer clus.Terminate(t)
|
|
|
|
cli := clus.Client(0)
|
|
clus.Members[0].Stop(t)
|
|
|
|
ctx, cancel := context.WithTimeout(context.TODO(), time.Second)
|
|
// get retries on all errors.
|
|
// so here we use it to eat the potential broken pipe error for the next put.
|
|
// grpc client might see a broken pipe error when we issue the get request before
|
|
// grpc finds out the original connection is down due to the member shutdown.
|
|
_, err := cli.Get(ctx, "abc")
|
|
cancel()
|
|
if !strings.Contains(err.Error(), "context deadline") {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// this Put fails and triggers an asynchronous connection retry
|
|
_, err = cli.Put(ctx, "abc", "123")
|
|
cancel()
|
|
if !strings.Contains(err.Error(), "context deadline") {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// TestKVGetOneEndpointDown ensures a client can connect and get if one endpoint is down
|
|
func TestKVPutOneEndpointDown(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
|
|
defer clus.Terminate(t)
|
|
|
|
// get endpoint list
|
|
eps := make([]string, 3)
|
|
for i := range eps {
|
|
eps[i] = clus.Members[i].GRPCAddr()
|
|
}
|
|
|
|
// make a dead node
|
|
clus.Members[rand.Intn(len(eps))].Stop(t)
|
|
|
|
// try to connect with dead node in the endpoint list
|
|
cfg := clientv3.Config{Endpoints: eps, DialTimeout: 1 * time.Second}
|
|
cli, err := clientv3.New(cfg)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer cli.Close()
|
|
ctx, cancel := context.WithTimeout(context.TODO(), 3*time.Second)
|
|
if _, err := cli.Get(ctx, "abc", clientv3.WithSerializable()); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cancel()
|
|
}
|
|
|
|
// TestKVGetResetLoneEndpoint ensures that if an endpoint resets and all other
|
|
// endpoints are down, then it will reconnect.
|
|
func TestKVGetResetLoneEndpoint(t *testing.T) {
|
|
defer testutil.AfterTest(t)
|
|
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 2})
|
|
defer clus.Terminate(t)
|
|
|
|
// get endpoint list
|
|
eps := make([]string, 2)
|
|
for i := range eps {
|
|
eps[i] = clus.Members[i].GRPCAddr()
|
|
}
|
|
|
|
cfg := clientv3.Config{Endpoints: eps, DialTimeout: 500 * time.Millisecond}
|
|
cli, err := clientv3.New(cfg)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer cli.Close()
|
|
|
|
// disconnect everything
|
|
clus.Members[0].Stop(t)
|
|
clus.Members[1].Stop(t)
|
|
|
|
// have Get try to reconnect
|
|
donec := make(chan struct{})
|
|
go func() {
|
|
ctx, cancel := context.WithTimeout(context.TODO(), 5*time.Second)
|
|
if _, err := cli.Get(ctx, "abc", clientv3.WithSerializable()); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cancel()
|
|
close(donec)
|
|
}()
|
|
time.Sleep(500 * time.Millisecond)
|
|
clus.Members[0].Restart(t)
|
|
select {
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatalf("timed out waiting for Get")
|
|
case <-donec:
|
|
}
|
|
}
|