update kine to v0.4.1

go.mod

@@ -88,7 +88,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/rancher/dynamiclistener v0.2.1
 	github.com/rancher/helm-controller v0.7.3
-	github.com/rancher/kine v0.4.0
+	github.com/rancher/kine v0.4.1
 	github.com/rancher/remotedialer v0.2.0
 	github.com/rancher/wrangler v0.6.1
 	github.com/rancher/wrangler-api v0.6.0

go.sum

@@ -679,6 +679,8 @@ github.com/rancher/helm-controller v0.7.3 h1:WTQHcNF2vl9w6Xd1eBtXDe0JUsYMFFstqX9
 github.com/rancher/helm-controller v0.7.3/go.mod h1:ZylsxIMGNADRPRNW+NiBWhrwwks9vnKLQiCHYWb6Bi0=
 github.com/rancher/kine v0.4.0 h1:1IhWy3TzjExG8xnj46eyUEWdzqNAD1WrgL4eEBKm6Uc=
 github.com/rancher/kine v0.4.0/go.mod h1:IImtCJ68AIkE+VY/kUI0NkyJL5q5WzO8QvMsSXqbrpA=
+github.com/rancher/kine v0.4.1 h1:CPtGDXsov5t5onXwhZ97VBpaxDoj1MBHeQwB0TSrUu8=
+github.com/rancher/kine v0.4.1/go.mod h1:IImtCJ68AIkE+VY/kUI0NkyJL5q5WzO8QvMsSXqbrpA=
 github.com/rancher/kubernetes v1.19.2-k3s1 h1:/oTv57BwDcf8kapnr1ViYH98Fwk3vnklWmQdlI3vJE0=
 github.com/rancher/kubernetes v1.19.2-k3s1/go.mod h1:yhT1/ltQajQsha3tnYc9QPFYSumGM45nlZdjf7WqE1A=
 github.com/rancher/kubernetes/staging/src/k8s.io/api v1.19.2-k3s1 h1:OPBCfsjKfgMaMt0mtWaoy+IirLeD+/CeVxoHXdP5bTE=

vendor/github.com/rancher/kine/pkg/drivers/dqlite/dqlite.go

@@ -15,6 +15,7 @@ import (
 	"github.com/canonical/go-dqlite/client"
 	"github.com/canonical/go-dqlite/driver"
 	"github.com/pkg/errors"
+	"github.com/rancher/kine/pkg/drivers/generic"
 	"github.com/rancher/kine/pkg/drivers/sqlite"
 	"github.com/rancher/kine/pkg/server"
 	"github.com/sirupsen/logrus"
@@ -66,7 +67,7 @@ outer:
 	return nil
 }
 
-func New(ctx context.Context, datasourceName string) (server.Backend, error) {
+func New(ctx context.Context, datasourceName string, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, error) {
 	opts, err := parseOpts(datasourceName)
 	if err != nil {
 		return nil, err
@@ -95,7 +96,7 @@ func New(ctx context.Context, datasourceName string) (server.Backend, error) {
 	}
 
 	sql.Register("dqlite", d)
-	backend, generic, err := sqlite.NewVariant(ctx, "dqlite", opts.dsn)
+	backend, generic, err := sqlite.NewVariant(ctx, "dqlite", opts.dsn, connPoolConfig)
 	if err != nil {
 		return nil, errors.Wrap(err, "sqlite client")
 	}

vendor/github.com/rancher/kine/pkg/drivers/dqlite/no_dqlite.go

@@ -4,11 +4,12 @@ package dqlite
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
+	"github.com/rancher/kine/pkg/drivers/generic"
 	"github.com/rancher/kine/pkg/server"
 )
 
-func New(ctx context.Context, datasourceName string) (server.Backend, error) {
-	return nil, fmt.Errorf("dqlite is not support, compile with \"-tags dqlite\"")
+func New(ctx context.Context, datasourceName string, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, error) {
+	return nil, errors.New(`this binary is built without dqlite support, compile with "-tags dqlite"`)
 }

vendor/github.com/rancher/kine/pkg/drivers/generic/generic.go

@@ -15,6 +15,10 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+const (
+	defaultMaxIdleConns = 2 // copied from database/sql
+)
+
 var (
 	columns = "kv.id as theid, kv.name, kv.created, kv.deleted, kv.create_revision, kv.prev_revision, kv.lease, kv.value, kv.old_value"
 	revSQL  = `
@@ -64,6 +68,12 @@ func (s Stripped) String() string {
 type ErrRetry func(error) bool
 type TranslateErr func(error) error
 
+type ConnectionPoolConfig struct {
+	MaxIdle     int           // zero means defaultMaxIdleConns; negative means 0
+	MaxOpen     int           // <= 0 means unlimited
+	MaxLifetime time.Duration // maximum amount of time a connection may be reused
+}
+
 type Generic struct {
 	sync.Mutex
 
@@ -128,6 +138,20 @@ func (d *Generic) Migrate(ctx context.Context) {
 	}
 }
 
+func configureConnectionPooling(connPoolConfig ConnectionPoolConfig, db *sql.DB) {
+	// behavior copied from database/sql - zero means defaultMaxIdleConns; negative means 0
+	if connPoolConfig.MaxIdle < 0 {
+		connPoolConfig.MaxIdle = 0
+	} else if connPoolConfig.MaxIdle == 0 {
+		connPoolConfig.MaxIdle = defaultMaxIdleConns
+	}
+
+	logrus.Infof("Configuring DB connection pooling: maxIdleConns=%d, maxOpenConns=%d, connMaxLifetime=%s", connPoolConfig.MaxIdle, connPoolConfig.MaxOpen, connPoolConfig.MaxLifetime)
+	db.SetMaxIdleConns(connPoolConfig.MaxIdle)
+	db.SetMaxOpenConns(connPoolConfig.MaxOpen)
+	db.SetConnMaxLifetime(connPoolConfig.MaxLifetime)
+}
+
 func openAndTest(driverName, dataSourceName string) (*sql.DB, error) {
 	db, err := sql.Open(driverName, dataSourceName)
 	if err != nil {
@@ -144,7 +168,7 @@ func openAndTest(driverName, dataSourceName string) (*sql.DB, error) {
 	return db, nil
 }
 
-func Open(ctx context.Context, driverName, dataSourceName string, paramCharacter string, numbered bool) (*Generic, error) {
+func Open(ctx context.Context, driverName, dataSourceName string, connPoolConfig ConnectionPoolConfig, paramCharacter string, numbered bool) (*Generic, error) {
 	var (
 		db  *sql.DB
 		err error
@@ -164,6 +188,8 @@ func Open(ctx context.Context, driverName, dataSourceName string, paramCharacter
 		}
 	}
 
+	configureConnectionPooling(connPoolConfig, db)
+
 	return &Generic{
 		DB: db,
 
@@ -229,11 +255,7 @@ func (d *Generic) execute(ctx context.Context, sql string, args ...interface{})
 
 	wait := strategy.Backoff(backoff.Linear(100 + time.Millisecond))
 	for i := uint(0); i < 20; i++ {
-		if i > 2 {
-			logrus.Debugf("EXEC (try: %d) %v : %s", i, args, Stripped(sql))
-		} else {
-			logrus.Tracef("EXEC (try: %d) %v : %s", i, args, Stripped(sql))
-		}
+		logrus.Tracef("EXEC (try: %d) %v : %s", i, args, Stripped(sql))
 		result, err = d.DB.ExecContext(ctx, sql, args...)
 		if err != nil && d.Retry != nil && d.Retry(err) {
 			wait(i)

vendor/github.com/rancher/kine/pkg/drivers/mysql/mysql.go

@@ -40,7 +40,7 @@ var (
 	createDB    = "create database if not exists "
 )
 
-func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config) (server.Backend, error) {
+func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, error) {
 	tlsConfig, err := tlsInfo.ClientConfig()
 	if err != nil {
 		return nil, err
@@ -59,7 +59,7 @@ func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config) (server
 		return nil, err
 	}
 
-	dialect, err := generic.Open(ctx, "mysql", parsedDSN, "?", false)
+	dialect, err := generic.Open(ctx, "mysql", parsedDSN, connPoolConfig, "?", false)
 	if err != nil {
 		return nil, err
 	}

vendor/github.com/rancher/kine/pkg/drivers/pgsql/pgsql.go

@@ -41,7 +41,7 @@ var (
 	createDB = "create database "
 )
 
-func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config) (server.Backend, error) {
+func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, error) {
 	parsedDSN, err := prepareDSN(dataSourceName, tlsInfo)
 	if err != nil {
 		return nil, err
@@ -51,7 +51,7 @@ func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config) (server
 		return nil, err
 	}
 
-	dialect, err := generic.Open(ctx, "postgres", parsedDSN, "$", true)
+	dialect, err := generic.Open(ctx, "postgres", parsedDSN, connPoolConfig, "$", true)
 	if err != nil {
 		return nil, err
 	}

vendor/github.com/rancher/kine/pkg/drivers/sqlite/sqlite.go

@@ -39,12 +39,12 @@ var (
 	}
 )
 
-func New(ctx context.Context, dataSourceName string) (server.Backend, error) {
-	backend, _, err := NewVariant(ctx, "sqlite3", dataSourceName)
+func New(ctx context.Context, dataSourceName string, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, error) {
+	backend, _, err := NewVariant(ctx, "sqlite3", dataSourceName, connPoolConfig)
 	return backend, err
 }
 
-func NewVariant(ctx context.Context, driverName, dataSourceName string) (server.Backend, *generic.Generic, error) {
+func NewVariant(ctx context.Context, driverName, dataSourceName string, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, *generic.Generic, error) {
 	if dataSourceName == "" {
 		if err := os.MkdirAll("./db", 0700); err != nil {
 			return nil, nil, err
@@ -52,7 +52,7 @@ func NewVariant(ctx context.Context, driverName, dataSourceName string) (server.
 		dataSourceName = "./db/state.db?_journal=WAL&cache=shared"
 	}
 
-	dialect, err := generic.Open(ctx, driverName, dataSourceName, "?", false)
+	dialect, err := generic.Open(ctx, driverName, dataSourceName, connPoolConfig, "?", false)
 	if err != nil {
 		return nil, nil, err
 	}

vendor/github.com/rancher/kine/pkg/drivers/sqlite/sqlite_nocgo.go

@@ -13,11 +13,11 @@ import (
 
 var errNoCgo = errors.New("this binary is built without CGO, sqlite is disabled")
 
-func New(ctx context.Context, dataSourceName string) (server.Backend, error) {
+func New(ctx context.Context, dataSourceName string, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, error) {
 	return nil, errNoCgo
 }
 
-func NewVariant(driverName, dataSourceName string) (server.Backend, *generic.Generic, error) {
+func NewVariant(driverName, dataSourceName string, connPoolConfig generic.ConnectionPoolConfig) (server.Backend, *generic.Generic, error) {
 	return nil, nil, errNoCgo
 }
 

vendor/github.com/rancher/kine/pkg/endpoint/endpoint.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/pkg/errors"
 	"github.com/rancher/kine/pkg/drivers/dqlite"
+	"github.com/rancher/kine/pkg/drivers/generic"
 	"github.com/rancher/kine/pkg/drivers/mysql"
 	"github.com/rancher/kine/pkg/drivers/pgsql"
 	"github.com/rancher/kine/pkg/drivers/sqlite"
@@ -28,9 +29,10 @@ const (
 )
 
 type Config struct {
-	GRPCServer *grpc.Server
-	Listener   string
-	Endpoint   string
+	GRPCServer           *grpc.Server
+	Listener             string
+	Endpoint             string
+	ConnectionPoolConfig generic.ConnectionPoolConfig
 
 	tls.Config
 }
@@ -124,13 +126,13 @@ func getKineStorageBackend(ctx context.Context, driver, dsn string, cfg Config)
 	switch driver {
 	case SQLiteBackend:
 		leaderElect = false
-		backend, err = sqlite.New(ctx, dsn)
+		backend, err = sqlite.New(ctx, dsn, cfg.ConnectionPoolConfig)
 	case DQLiteBackend:
-		backend, err = dqlite.New(ctx, dsn)
+		backend, err = dqlite.New(ctx, dsn, cfg.ConnectionPoolConfig)
 	case PostgresBackend:
-		backend, err = pgsql.New(ctx, dsn, cfg.Config)
+		backend, err = pgsql.New(ctx, dsn, cfg.Config, cfg.ConnectionPoolConfig)
 	case MySQLBackend:
-		backend, err = mysql.New(ctx, dsn, cfg.Config)
+		backend, err = mysql.New(ctx, dsn, cfg.Config, cfg.ConnectionPoolConfig)
 	default:
 		return false, nil, fmt.Errorf("storage backend is not defined")
 	}

vendor/github.com/rancher/kine/pkg/logstructured/logstructured.go

@@ -41,7 +41,7 @@ func (l *LogStructured) Start(ctx context.Context) error {
 func (l *LogStructured) Get(ctx context.Context, key string, revision int64) (revRet int64, kvRet *server.KeyValue, errRet error) {
 	defer func() {
 		l.adjustRevision(ctx, &revRet)
-		logrus.Debugf("GET %s, rev=%d => rev=%d, kv=%v, err=%v", key, revision, revRet, kvRet != nil, errRet)
+		logrus.Tracef("GET %s, rev=%d => rev=%d, kv=%v, err=%v", key, revision, revRet, kvRet != nil, errRet)
 	}()
 
 	rev, event, err := l.get(ctx, key, revision, false)
@@ -82,7 +82,7 @@ func (l *LogStructured) adjustRevision(ctx context.Context, rev *int64) {
 func (l *LogStructured) Create(ctx context.Context, key string, value []byte, lease int64) (revRet int64, errRet error) {
 	defer func() {
 		l.adjustRevision(ctx, &revRet)
-		logrus.Debugf("CREATE %s, size=%d, lease=%d => rev=%d, err=%v", key, len(value), lease, revRet, errRet)
+		logrus.Tracef("CREATE %s, size=%d, lease=%d => rev=%d, err=%v", key, len(value), lease, revRet, errRet)
 	}()
 
 	rev, prevEvent, err := l.get(ctx, key, 0, true)
@@ -114,7 +114,7 @@ func (l *LogStructured) Create(ctx context.Context, key string, value []byte, le
 func (l *LogStructured) Delete(ctx context.Context, key string, revision int64) (revRet int64, kvRet *server.KeyValue, deletedRet bool, errRet error) {
 	defer func() {
 		l.adjustRevision(ctx, &revRet)
-		logrus.Debugf("DELETE %s, rev=%d => rev=%d, kv=%v, deleted=%v, err=%v", key, revision, revRet, kvRet != nil, deletedRet, errRet)
+		logrus.Tracef("DELETE %s, rev=%d => rev=%d, kv=%v, deleted=%v, err=%v", key, revision, revRet, kvRet != nil, deletedRet, errRet)
 	}()
 
 	rev, event, err := l.get(ctx, key, 0, true)
@@ -155,7 +155,7 @@ func (l *LogStructured) Delete(ctx context.Context, key string, revision int64)
 
 func (l *LogStructured) List(ctx context.Context, prefix, startKey string, limit, revision int64) (revRet int64, kvRet []*server.KeyValue, errRet error) {
 	defer func() {
-		logrus.Debugf("LIST %s, start=%s, limit=%d, rev=%d => rev=%d, kvs=%d, err=%v", prefix, startKey, limit, revision, revRet, len(kvRet), errRet)
+		logrus.Tracef("LIST %s, start=%s, limit=%d, rev=%d => rev=%d, kvs=%d, err=%v", prefix, startKey, limit, revision, revRet, len(kvRet), errRet)
 	}()
 
 	rev, events, err := l.log.List(ctx, prefix, startKey, limit, revision, false)
@@ -185,7 +185,7 @@ func (l *LogStructured) List(ctx context.Context, prefix, startKey string, limit
 
 func (l *LogStructured) Count(ctx context.Context, prefix string) (revRet int64, count int64, err error) {
 	defer func() {
-		logrus.Debugf("COUNT %s => rev=%d, count=%d, err=%v", prefix, revRet, count, err)
+		logrus.Tracef("COUNT %s => rev=%d, count=%d, err=%v", prefix, revRet, count, err)
 	}()
 	rev, count, err := l.log.Count(ctx, prefix)
 	if err != nil {
@@ -211,7 +211,7 @@ func (l *LogStructured) Update(ctx context.Context, key string, value []byte, re
 		if kvRet != nil {
 			kvRev = kvRet.ModRevision
 		}
-		logrus.Debugf("UPDATE %s, value=%d, rev=%d, lease=%v => rev=%d, kvrev=%d, updated=%v, err=%v", key, len(value), revision, lease, revRet, kvRev, updateRet, errRet)
+		logrus.Tracef("UPDATE %s, value=%d, rev=%d, lease=%v => rev=%d, kvrev=%d, updated=%v, err=%v", key, len(value), revision, lease, revRet, kvRev, updateRet, errRet)
 	}()
 
 	rev, event, err := l.get(ctx, key, 0, false)
@@ -311,7 +311,7 @@ func (l *LogStructured) ttl(ctx context.Context) {
 }
 
 func (l *LogStructured) Watch(ctx context.Context, prefix string, revision int64) <-chan []*server.Event {
-	logrus.Debugf("WATCH %s, revision=%d", prefix, revision)
+	logrus.Tracef("WATCH %s, revision=%d", prefix, revision)
 
 	// starting watching right away so we don't miss anything
 	ctx, cancel := context.WithCancel(ctx)
@@ -319,7 +319,7 @@ func (l *LogStructured) Watch(ctx context.Context, prefix string, revision int64
 
 	// include the current revision in list
 	if revision > 0 {
-		revision -= 1
+		revision--
 	}
 
 	result := make(chan []*server.Event, 100)
@@ -330,7 +330,7 @@ func (l *LogStructured) Watch(ctx context.Context, prefix string, revision int64
 		cancel()
 	}
 
-	logrus.Debugf("WATCH LIST key=%s rev=%d => rev=%d kvs=%d", prefix, revision, rev, len(kvs))
+	logrus.Tracef("WATCH LIST key=%s rev=%d => rev=%d kvs=%d", prefix, revision, rev, len(kvs))
 
 	go func() {
 		lastRevision := revision

vendor/github.com/rancher/kine/pkg/logstructured/sqllog/sql.go

@@ -411,13 +411,13 @@ func (s *SQLLog) poll(result chan interface{}, pollStart int64) {
 					break
 				} else {
 					if err := s.d.Fill(s.ctx, next); err == nil {
-						logrus.Debugf("FILL, revision=%d, err=%v", next, err)
+						logrus.Tracef("FILL, revision=%d, err=%v", next, err)
 						select {
 						case s.notify <- next:
 						default:
 						}
 					} else {
-						logrus.Debugf("FILL FAILED, revision=%d, err=%v", next, err)
+						logrus.Tracef("FILL FAILED, revision=%d, err=%v", next, err)
 					}
 					break
 				}
@@ -431,10 +431,10 @@ func (s *SQLLog) poll(result chan interface{}, pollStart int64) {
 			saveLast = true
 			rev = event.KV.ModRevision
 			if s.d.IsFill(event.KV.Key) {
-				logrus.Debugf("NOT TRIGGER FILL %s, revision=%d, delete=%v", event.KV.Key, event.KV.ModRevision, event.Delete)
+				logrus.Tracef("NOT TRIGGER FILL %s, revision=%d, delete=%v", event.KV.Key, event.KV.ModRevision, event.Delete)
 			} else {
 				sequential = append(sequential, event)
-				logrus.Debugf("TRIGGERED %s, revision=%d, delete=%v", event.KV.Key, event.KV.ModRevision, event.Delete)
+				logrus.Tracef("TRIGGERED %s, revision=%d, delete=%v", event.KV.Key, event.KV.ModRevision, event.Delete)
 			}
 		}
 

vendor/github.com/rancher/kine/pkg/server/watch.go

@@ -31,7 +31,7 @@ func (s *KVServerBridge) Watch(ws etcdserverpb.Watch_WatchServer) error {
 		if msg.GetCreateRequest() != nil {
 			w.Start(ws.Context(), msg.GetCreateRequest())
 		} else if msg.GetCancelRequest() != nil {
-			logrus.Debugf("WATCH CANCEL REQ id=%d", msg.GetCancelRequest().GetWatchId())
+			logrus.Tracef("WATCH CANCEL REQ id=%d", msg.GetCancelRequest().GetWatchId())
 			w.Cancel(msg.GetCancelRequest().WatchId, nil)
 		}
 	}
@@ -58,7 +58,7 @@ func (w *watcher) Start(ctx context.Context, r *etcdserverpb.WatchCreateRequest)
 
 	key := string(r.Key)
 
-	logrus.Debugf("WATCH START id=%d, count=%d, key=%s, revision=%d", id, len(w.watches), key, r.StartRevision)
+	logrus.Tracef("WATCH START id=%d, count=%d, key=%s, revision=%d", id, len(w.watches), key, r.StartRevision)
 
 	go func() {
 		defer w.wg.Done()
@@ -78,7 +78,7 @@ func (w *watcher) Start(ctx context.Context, r *etcdserverpb.WatchCreateRequest)
 
 			if logrus.IsLevelEnabled(logrus.DebugLevel) {
 				for _, event := range events {
-					logrus.Debugf("WATCH READ id=%d, key=%s, revision=%d", id, event.KV.Key, event.KV.ModRevision)
+					logrus.Tracef("WATCH READ id=%d, key=%s, revision=%d", id, event.KV.Key, event.KV.ModRevision)
 				}
 			}
 
@@ -92,7 +92,7 @@ func (w *watcher) Start(ctx context.Context, r *etcdserverpb.WatchCreateRequest)
 			}
 		}
 		w.Cancel(id, nil)
-		logrus.Debugf("WATCH CLOSE id=%d, key=%s", id, key)
+		logrus.Tracef("WATCH CLOSE id=%d, key=%s", id, key)
 	}()
 }
 
@@ -130,7 +130,7 @@ func (w *watcher) Cancel(watchID int64, err error) {
 	if err != nil {
 		reason = err.Error()
 	}
-	logrus.Debugf("WATCH CANCEL id=%d reason=%s", watchID, reason)
+	logrus.Tracef("WATCH CANCEL id=%d reason=%s", watchID, reason)
 	serr := w.server.Send(&etcdserverpb.WatchResponse{
 		Header:       &etcdserverpb.ResponseHeader{},
 		Canceled:     true,

vendor/modules.txt

@@ -836,7 +836,7 @@ github.com/rancher/helm-controller/pkg/generated/informers/externalversions/helm
 github.com/rancher/helm-controller/pkg/generated/informers/externalversions/internalinterfaces
 github.com/rancher/helm-controller/pkg/generated/listers/helm.cattle.io/v1
 github.com/rancher/helm-controller/pkg/helm
-# github.com/rancher/kine v0.4.0
+# github.com/rancher/kine v0.4.1
 ## explicit
 github.com/rancher/kine/pkg/broadcaster
 github.com/rancher/kine/pkg/client