clientv3,etcdctl: support structured logger

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

clientv3/integration/maintenance_test.go

@@ -24,6 +24,8 @@ import (
 	"testing"
 	"time"
 
+	"go.uber.org/zap"
+
 	"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
 	"github.com/coreos/etcd/integration"
 	"github.com/coreos/etcd/lease"
@@ -145,7 +147,7 @@ func TestMaintenanceSnapshotErrorInflight(t *testing.T) {
 	clus.Members[0].Stop(t)
 	dpath := filepath.Join(clus.Members[0].DataDir, "member", "snap", "db")
 	b := backend.NewDefaultBackend(dpath)
-	s := mvcc.NewStore(b, &lease.FakeLessor{}, nil)
+	s := mvcc.NewStore(zap.NewExample(), b, &lease.FakeLessor{}, nil)
 	rev := 100000
 	for i := 2; i <= rev; i++ {
 		s.Put([]byte(fmt.Sprintf("%10d", i)), bytes.Repeat([]byte("a"), 1024), lease.NoLease)

etcdctl/ctlv2/command/backup_command.go

@@ -35,6 +35,7 @@ import (
 
 	bolt "github.com/coreos/bbolt"
 	"github.com/urfave/cli"
+	"go.uber.org/zap"
 )
 
 func NewBackupCommand() cli.Command {
@@ -86,7 +87,7 @@ func handleBackup(c *cli.Context) error {
 	metadata.NodeID = idgen.Next()
 	metadata.ClusterID = idgen.Next()
 
-	neww, err := wal.Create(destWAL, pbutil.MustMarshal(&metadata))
+	neww, err := wal.Create(zap.NewExample(), destWAL, pbutil.MustMarshal(&metadata))
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -102,14 +103,14 @@ func handleBackup(c *cli.Context) error {
 }
 
 func saveSnap(destSnap, srcSnap string) (walsnap walpb.Snapshot) {
-	ss := raftsnap.New(srcSnap)
+	ss := raftsnap.New(zap.NewExample(), srcSnap)
 	snapshot, err := ss.Load()
 	if err != nil && err != raftsnap.ErrNoSnapshot {
 		log.Fatal(err)
 	}
 	if snapshot != nil {
 		walsnap.Index, walsnap.Term = snapshot.Metadata.Index, snapshot.Metadata.Term
-		newss := raftsnap.New(destSnap)
+		newss := raftsnap.New(zap.NewExample(), destSnap)
 		if err = newss.SaveSnap(*snapshot); err != nil {
 			log.Fatal(err)
 		}
@@ -118,7 +119,7 @@ func saveSnap(destSnap, srcSnap string) (walsnap walpb.Snapshot) {
 }
 
 func loadWAL(srcWAL string, walsnap walpb.Snapshot, v3 bool) (etcdserverpb.Metadata, raftpb.HardState, []raftpb.Entry) {
-	w, err := wal.OpenForRead(srcWAL, walsnap)
+	w, err := wal.OpenForRead(zap.NewExample(), srcWAL, walsnap)
 	if err != nil {
 		log.Fatal(err)
 	}

etcdctl/ctlv3/command/migrate_command.go

@@ -43,6 +43,7 @@ import (
 
 	"github.com/gogo/protobuf/proto"
 	"github.com/spf13/cobra"
+	"go.uber.org/zap"
 )
 
 var (
@@ -127,7 +128,7 @@ func prepareBackend() backend.Backend {
 
 func rebuildStoreV2() (v2store.Store, uint64) {
 	var index uint64
-	cl := membership.NewCluster("")
+	cl := membership.NewCluster(zap.NewExample(), "")
 
 	waldir := migrateWALdir
 	if len(waldir) == 0 {
@@ -135,7 +136,7 @@ func rebuildStoreV2() (v2store.Store, uint64) {
 	}
 	snapdir := filepath.Join(migrateDatadir, "member", "snap")
 
-	ss := raftsnap.New(snapdir)
+	ss := raftsnap.New(zap.NewExample(), snapdir)
 	snapshot, err := ss.Load()
 	if err != nil && err != raftsnap.ErrNoSnapshot {
 		ExitWithError(ExitError, err)
@@ -147,7 +148,7 @@ func rebuildStoreV2() (v2store.Store, uint64) {
 		index = snapshot.Metadata.Index
 	}
 
-	w, err := wal.OpenForRead(waldir, walsnap)
+	w, err := wal.OpenForRead(zap.NewExample(), waldir, walsnap)
 	if err != nil {
 		ExitWithError(ExitError, err)
 	}
@@ -169,7 +170,7 @@ func rebuildStoreV2() (v2store.Store, uint64) {
 	cl.SetStore(st)
 	cl.Recover(api.UpdateCapability)
 
-	applier := etcdserver.NewApplierV2(st, cl)
+	applier := etcdserver.NewApplierV2(zap.NewExample(), st, cl)
 	for _, ent := range ents {
 		if ent.Type == raftpb.EntryConfChange {
 			var cc raftpb.ConfChange