Fix import paths to include v3 for etcd

The module name is go.etcd.io/etcd/v3, but many places were importing
go.etcd.io/etcd which (to the best of my understanding) was the root
cause for vendoring the latter and causing build problems.

`./scripts/updatedep.sh` is a noop as of this commit.:x

auth/range_perm_cache.go

@@ -15,10 +15,9 @@
 package auth
 
 import (
-	"go.etcd.io/etcd/auth/authpb"
-	"go.etcd.io/etcd/mvcc/backend"
-	"go.etcd.io/etcd/pkg/adt"
-
+	"go.etcd.io/etcd/v3/auth/authpb"
+	"go.etcd.io/etcd/v3/mvcc/backend"
+	"go.etcd.io/etcd/v3/pkg/adt"
 	"go.uber.org/zap"
 )
 

auth/range_perm_cache_test.go

@@ -17,9 +17,8 @@ package auth
 import (
 	"testing"
 
-	"go.etcd.io/etcd/auth/authpb"
-	"go.etcd.io/etcd/pkg/adt"
-
+	"go.etcd.io/etcd/v3/auth/authpb"
+	"go.etcd.io/etcd/v3/pkg/adt"
 	"go.uber.org/zap"
 )
 

auth/store.go

@@ -24,12 +24,11 @@ import (
 	"sync"
 	"sync/atomic"
 
-	"go.etcd.io/etcd/auth/authpb"
-	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/mvcc/backend"
-
 	"github.com/coreos/pkg/capnslog"
+	"go.etcd.io/etcd/v3/auth/authpb"
+	"go.etcd.io/etcd/v3/etcdserver/api/v3rpc/rpctypes"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/mvcc/backend"
 	"go.uber.org/zap"
 	"golang.org/x/crypto/bcrypt"
 	"google.golang.org/grpc/credentials"

auth/store_test.go

@@ -24,11 +24,10 @@ import (
 	"testing"
 	"time"
 
-	"go.etcd.io/etcd/auth/authpb"
-	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/mvcc/backend"
-
+	"go.etcd.io/etcd/v3/auth/authpb"
+	"go.etcd.io/etcd/v3/etcdserver/api/v3rpc/rpctypes"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/mvcc/backend"
 	"go.uber.org/zap"
 	"golang.org/x/crypto/bcrypt"
 	"google.golang.org/grpc/metadata"

client/client.go

@@ -29,7 +29,7 @@ import (
 	"sync"
 	"time"
 
-	"go.etcd.io/etcd/version"
+	"go.etcd.io/etcd/v3/version"
 )
 
 var (

client/client_test.go

@@ -29,8 +29,8 @@ import (
 	"testing"
 	"time"
 
-	"go.etcd.io/etcd/pkg/testutil"
-	"go.etcd.io/etcd/version"
+	"go.etcd.io/etcd/v3/pkg/testutil"
+	"go.etcd.io/etcd/v3/version"
 )
 
 type actionAssertingHTTPClient struct {

client/discover.go

@@ -15,7 +15,7 @@
 package client
 
 import (
-	"go.etcd.io/etcd/pkg/srv"
+	"go.etcd.io/etcd/v3/pkg/srv"
 )
 
 // Discoverer is an interface that wraps the Discover method.

client/doc.go

@@ -21,7 +21,7 @@ Create a Config and exchange it for a Client:
 		"net/http"
 		"context"
 
-		"go.etcd.io/etcd/client"
+		"go.etcd.io/etcd/v3/client"
 	)
 
 	cfg := client.Config{

client/example_keys_test.go

@@ -20,7 +20,7 @@ import (
 	"log"
 	"sort"
 
-	"go.etcd.io/etcd/client"
+	"go.etcd.io/etcd/v3/client"
 )
 
 func ExampleKeysAPI_directory() {

client/integration/client_test.go

@@ -24,9 +24,9 @@ import (
 	"sync/atomic"
 	"testing"
 
-	"go.etcd.io/etcd/client"
-	"go.etcd.io/etcd/integration"
-	"go.etcd.io/etcd/pkg/testutil"
+	"go.etcd.io/etcd/v3/client"
+	"go.etcd.io/etcd/v3/integration"
+	"go.etcd.io/etcd/v3/pkg/testutil"
 )
 
 // TestV2NoRetryEOF tests destructive api calls won't retry on a disconnection.

client/integration/main_test.go

@@ -8,7 +8,7 @@ import (
 	"os"
 	"testing"
 
-	"go.etcd.io/etcd/pkg/testutil"
+	"go.etcd.io/etcd/v3/pkg/testutil"
 )
 
 func TestMain(m *testing.M) {

client/keys.go

@@ -19,12 +19,13 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.etcd.io/etcd/pkg/pathutil"
 	"net/http"
 	"net/url"
 	"strconv"
 	"strings"
 	"time"
+
+	"go.etcd.io/etcd/v3/pkg/pathutil"
 )
 
 const (

client/main_test.go

@@ -23,9 +23,9 @@ import (
 	"testing"
 	"time"
 
-	"go.etcd.io/etcd/integration"
-	"go.etcd.io/etcd/pkg/testutil"
-	"go.etcd.io/etcd/pkg/transport"
+	"go.etcd.io/etcd/v3/integration"
+	"go.etcd.io/etcd/v3/pkg/testutil"
+	"go.etcd.io/etcd/v3/pkg/transport"
 )
 
 var exampleEndpoints []string

client/members.go

@@ -23,7 +23,7 @@ import (
 	"net/url"
 	"path"
 
-	"go.etcd.io/etcd/pkg/types"
+	"go.etcd.io/etcd/v3/pkg/types"
 )
 
 var (

client/members_test.go

@@ -23,7 +23,7 @@ import (
 	"reflect"
 	"testing"
 
-	"go.etcd.io/etcd/pkg/types"
+	"go.etcd.io/etcd/v3/pkg/types"
 )
 
 func TestMembersAPIActionList(t *testing.T) {

clientv3/auth.go

@@ -19,8 +19,8 @@ import (
 	"fmt"
 	"strings"
 
-	"go.etcd.io/etcd/auth/authpb"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/auth/authpb"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
 	"google.golang.org/grpc"
 )
 

clientv3/balancer/balancer.go

@@ -20,8 +20,7 @@ import (
 	"sync"
 	"time"
 
-	"go.etcd.io/etcd/clientv3/balancer/picker"
-
+	"go.etcd.io/etcd/v3/clientv3/balancer/picker"
 	"go.uber.org/zap"
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/connectivity"

clientv3/balancer/balancer_test.go

@@ -21,11 +21,10 @@ import (
 	"testing"
 	"time"
 
-	"go.etcd.io/etcd/clientv3/balancer/picker"
-	"go.etcd.io/etcd/clientv3/balancer/resolver/endpoint"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/pkg/mock/mockserver"
-
+	"go.etcd.io/etcd/v3/clientv3/balancer/picker"
+	"go.etcd.io/etcd/v3/clientv3/balancer/resolver/endpoint"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/pkg/mock/mockserver"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"

clientv3/balancer/config.go

@@ -15,8 +15,7 @@
 package balancer
 
 import (
-	"go.etcd.io/etcd/clientv3/balancer/picker"
-
+	"go.etcd.io/etcd/v3/clientv3/balancer/picker"
 	"go.uber.org/zap"
 )
 

clientv3/balancer/grpc1.7-health_test.go

@@ -22,9 +22,8 @@ import (
 	"testing"
 	"time"
 
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/pkg/testutil"
-
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/pkg/testutil"
 	"google.golang.org/grpc"
 )
 

clientv3/client.go

@@ -27,11 +27,11 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-	"go.etcd.io/etcd/clientv3/balancer"
-	"go.etcd.io/etcd/clientv3/balancer/picker"
-	"go.etcd.io/etcd/clientv3/balancer/resolver/endpoint"
-	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
-	"go.etcd.io/etcd/pkg/logutil"
+	"go.etcd.io/etcd/v3/clientv3/balancer"
+	"go.etcd.io/etcd/v3/clientv3/balancer/picker"
+	"go.etcd.io/etcd/v3/clientv3/balancer/resolver/endpoint"
+	"go.etcd.io/etcd/v3/etcdserver/api/v3rpc/rpctypes"
+	"go.etcd.io/etcd/v3/pkg/logutil"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"

clientv3/client_test.go

@@ -21,9 +21,8 @@ import (
 	"testing"
 	"time"
 
-	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
-	"go.etcd.io/etcd/pkg/testutil"
-
+	"go.etcd.io/etcd/v3/etcdserver/api/v3rpc/rpctypes"
+	"go.etcd.io/etcd/v3/pkg/testutil"
 	"google.golang.org/grpc"
 )
 

clientv3/clientv3util/example_key_test.go

@@ -18,8 +18,8 @@ import (
 	"context"
 	"log"
 
-	"go.etcd.io/etcd/clientv3"
-	"go.etcd.io/etcd/clientv3/clientv3util"
+	"go.etcd.io/etcd/v3/clientv3"
+	"go.etcd.io/etcd/v3/clientv3/clientv3util"
 )
 
 func ExampleKeyMissing() {

clientv3/clientv3util/util.go

@@ -16,7 +16,7 @@
 package clientv3util
 
 import (
-	"go.etcd.io/etcd/clientv3"
+	"go.etcd.io/etcd/v3/clientv3"
 )
 
 // KeyExists returns a comparison operation that evaluates to true iff the given

clientv3/cluster.go

@@ -17,9 +17,8 @@ package clientv3
 import (
 	"context"
 
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/pkg/types"
-
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/pkg/types"
 	"google.golang.org/grpc"
 )
 

clientv3/compact_op.go

@@ -15,7 +15,7 @@
 package clientv3
 
 import (
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
 )
 
 // CompactOp represents a compact operation.

clientv3/compact_op_test.go

@@ -18,7 +18,7 @@ import (
 	"reflect"
 	"testing"
 
-	"go.etcd.io/etcd/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
 )
 
 func TestCompactOp(t *testing.T) {

clientv3/compare.go

@@ -15,7 +15,7 @@
 package clientv3
 
 import (
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
 )
 
 type CompareTarget int

clientv3/concurrency/election.go

@@ -19,9 +19,9 @@ import (
 	"errors"
 	"fmt"
 
-	v3 "go.etcd.io/etcd/clientv3"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/mvcc/mvccpb"
+	v3 "go.etcd.io/etcd/v3/clientv3"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/mvcc/mvccpb"
 )
 
 var (

clientv3/concurrency/election_test.go

@@ -21,8 +21,8 @@ import (
 	"testing"
 	"time"
 
-	"go.etcd.io/etcd/clientv3"
-	"go.etcd.io/etcd/clientv3/concurrency"
+	"go.etcd.io/etcd/v3/clientv3"
+	"go.etcd.io/etcd/v3/clientv3/concurrency"
 )
 
 func TestResumeElection(t *testing.T) {

clientv3/concurrency/example_election_test.go

@@ -21,8 +21,8 @@ import (
 	"sync"
 	"time"
 
-	"go.etcd.io/etcd/clientv3"
-	"go.etcd.io/etcd/clientv3/concurrency"
+	"go.etcd.io/etcd/v3/clientv3"
+	"go.etcd.io/etcd/v3/clientv3/concurrency"
 )
 
 func ExampleElection_Campaign() {

clientv3/concurrency/example_mutex_test.go

@@ -19,8 +19,8 @@ import (
 	"fmt"
 	"log"
 
-	"go.etcd.io/etcd/clientv3"
-	"go.etcd.io/etcd/clientv3/concurrency"
+	"go.etcd.io/etcd/v3/clientv3"
+	"go.etcd.io/etcd/v3/clientv3/concurrency"
 )
 
 func ExampleMutex_Lock() {

clientv3/concurrency/example_stm_test.go

@@ -21,8 +21,8 @@ import (
 	"math/rand"
 	"sync"
 
-	"go.etcd.io/etcd/clientv3"
-	"go.etcd.io/etcd/clientv3/concurrency"
+	"go.etcd.io/etcd/v3/clientv3"
+	"go.etcd.io/etcd/v3/clientv3/concurrency"
 )
 
 // ExampleSTM_apply shows how to use STM with a transactional

clientv3/concurrency/key.go

@@ -18,9 +18,9 @@ import (
 	"context"
 	"fmt"
 
-	v3 "go.etcd.io/etcd/clientv3"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/mvcc/mvccpb"
+	v3 "go.etcd.io/etcd/v3/clientv3"
+	pb "go.etcd.io/etcd/v3/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/v3/mvcc/mvccpb"
 )
 
 func waitDelete(ctx context.Context, client *v3.Client, key string, rev int64) error {