Using golang 1.14

.github/workflows/ci.yml

@@ -8,13 +8,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v2
 
-    - name: Set up Go 1.12
+    - name: Set up Go 1.14
       uses: actions/setup-go@v1
       with:
-        version: 1.12
-      id: go
+        go-version: 1.14
 
     - name: Build
       run: script/cibuild

.github/workflows/replica-tests.yml

@@ -8,13 +8,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v2
 
-    - name: Set up Go 1.12
+    - name: Set up Go 1.14
       uses: actions/setup-go@v1
       with:
-        version: 1.12
-      id: go
+        go-version: 1.14
 
     - name: migration tests
       run:  script/cibuild-gh-ost-replica-tests

Dockerfile.packaging

@@ -1,6 +1,6 @@
 #
 
-FROM golang:1.12.6
+FROM golang:1.14.4
 
 RUN apt-get update
 RUN apt-get install -y ruby ruby-dev rubygems build-essential

Dockerfile.test

@@ -1,4 +1,4 @@
-FROM golang:1.12.1
+FROM golang:1.14.4
 LABEL maintainer="github@github.com"
 
 RUN apt-get update

README.md

@@ -94,7 +94,7 @@ Please see [Coding gh-ost](doc/coding-ghost.md) for a guide to getting started d
 
 [Download latest release here](https://github.com/github/gh-ost/releases/latest)
 
-`gh-ost` is a Go project; it is built with Go `1.12` and above. To build on your own, use either:
+`gh-ost` is a Go project; it is built with Go `1.14` and above. To build on your own, use either:
 - [script/build](https://github.com/github/gh-ost/blob/master/script/build) - this is the same build script used by CI hence the authoritative; artifact is `./bin/gh-ost` binary.
 - [build.sh](https://github.com/github/gh-ost/blob/master/build.sh) for building `tar.gz` artifacts in `/tmp/gh-ost`
 

build.sh

@@ -18,8 +18,8 @@ function build {
   GOOS=$3
   GOARCH=$4
 
-  if ! go version | egrep -q 'go(1\.1[234])' ; then
-    echo "go version must be 1.12 or above"
+  if ! go version | egrep -q 'go(1\.1[456])' ; then
+    echo "go version must be 1.14 or above"
     exit 1
   fi
 

go/base/context.go

@@ -19,6 +19,7 @@ import (
 
 	"github.com/github/gh-ost/go/mysql"
 	"github.com/github/gh-ost/go/sql"
+	"github.com/outbrain/golib/log"
 
 	"gopkg.in/gcfg.v1"
 	gcfgscanner "gopkg.in/gcfg.v1/scanner"
@@ -217,6 +218,25 @@ type MigrationContext struct {
 	ForceTmpTableName                string
 
 	recentBinlogCoordinates mysql.BinlogCoordinates
+
+	Log Logger
+}
+
+type Logger interface {
+	Debug(args ...interface{})
+	Debugf(format string, args ...interface{})
+	Info(args ...interface{})
+	Infof(format string, args ...interface{})
+	Warning(args ...interface{}) error
+	Warningf(format string, args ...interface{}) error
+	Error(args ...interface{}) error
+	Errorf(format string, args ...interface{}) error
+	Errore(err error) error
+	Fatal(args ...interface{}) error
+	Fatalf(format string, args ...interface{}) error
+	Fatale(err error) error
+	SetLevel(level log.LogLevel)
+	SetPrintStackTrace(printStackTraceFlag bool)
 }
 
 type ContextConfig struct {
@@ -251,6 +271,7 @@ func NewMigrationContext() *MigrationContext {
 		pointOfInterestTimeMutex:            &sync.Mutex{},
 		ColumnRenameMap:                     make(map[string]string),
 		PanicAbort:                          make(chan error),
+		Log:                                 NewDefaultLogger(),
 	}
 }
 

go/base/default_logger.go

@@ -0,0 +1,73 @@
+package base
+
+import (
+	"github.com/outbrain/golib/log"
+)
+
+type simpleLogger struct{}
+
+func NewDefaultLogger() *simpleLogger {
+	return &simpleLogger{}
+}
+
+func (*simpleLogger) Debug(args ...interface{}) {
+	log.Debug(args[0].(string), args[1:])
+	return
+}
+
+func (*simpleLogger) Debugf(format string, args ...interface{}) {
+	log.Debugf(format, args...)
+	return
+}
+
+func (*simpleLogger) Info(args ...interface{}) {
+	log.Info(args[0].(string), args[1:])
+	return
+}
+
+func (*simpleLogger) Infof(format string, args ...interface{}) {
+	log.Infof(format, args...)
+	return
+}
+
+func (*simpleLogger) Warning(args ...interface{}) error {
+	return log.Warning(args[0].(string), args[1:])
+}
+
+func (*simpleLogger) Warningf(format string, args ...interface{}) error {
+	return log.Warningf(format, args...)
+}
+
+func (*simpleLogger) Error(args ...interface{}) error {
+	return log.Error(args[0].(string), args[1:])
+}
+
+func (*simpleLogger) Errorf(format string, args ...interface{}) error {
+	return log.Errorf(format, args...)
+}
+
+func (*simpleLogger) Errore(err error) error {
+	return log.Errore(err)
+}
+
+func (*simpleLogger) Fatal(args ...interface{}) error {
+	return log.Fatal(args[0].(string), args[1:])
+}
+
+func (*simpleLogger) Fatalf(format string, args ...interface{}) error {
+	return log.Fatalf(format, args...)
+}
+
+func (*simpleLogger) Fatale(err error) error {
+	return log.Fatale(err)
+}
+
+func (*simpleLogger) SetLevel(level log.LogLevel) {
+	log.SetLevel(level)
+	return
+}
+
+func (*simpleLogger) SetPrintStackTrace(printStackTraceFlag bool) {
+	log.SetPrintStackTrace(printStackTraceFlag)
+	return
+}

go/base/utils.go

@@ -14,7 +14,6 @@ import (
 
 	gosql "database/sql"
 	"github.com/github/gh-ost/go/mysql"
-	"github.com/outbrain/golib/log"
 )
 
 var (
@@ -86,7 +85,7 @@ func ValidateConnection(db *gosql.DB, connectionConfig *mysql.ConnectionConfig,
 	}
 
 	if connectionConfig.Key.Port == port || (extraPort > 0 && connectionConfig.Key.Port == extraPort) {
-		log.Infof("connection validated on %+v", connectionConfig.Key)
+		migrationContext.Log.Infof("connection validated on %+v", connectionConfig.Key)
 		return version, nil
 	} else if extraPort == 0 {
 		return "", fmt.Errorf("Unexpected database port reported: %+v", port)

go/binlog/gomysql_reader.go

@@ -13,13 +13,13 @@ import (
 	"github.com/github/gh-ost/go/mysql"
 	"github.com/github/gh-ost/go/sql"
 
-	"github.com/outbrain/golib/log"
 	gomysql "github.com/siddontang/go-mysql/mysql"
 	"github.com/siddontang/go-mysql/replication"
 	"golang.org/x/net/context"
 )
 
 type GoMySQLReader struct {
+	migrationContext         *base.MigrationContext
 	connectionConfig         *mysql.ConnectionConfig
 	binlogSyncer             *replication.BinlogSyncer
 	binlogStreamer           *replication.BinlogStreamer
@@ -30,6 +30,7 @@ type GoMySQLReader struct {
 
 func NewGoMySQLReader(migrationContext *base.MigrationContext) (binlogReader *GoMySQLReader, err error) {
 	binlogReader = &GoMySQLReader{
+		migrationContext:        migrationContext,
 		connectionConfig:        migrationContext.InspectorConnectionConfig,
 		currentCoordinates:      mysql.BinlogCoordinates{},
 		currentCoordinatesMutex: &sync.Mutex{},
@@ -57,11 +58,11 @@ func NewGoMySQLReader(migrationContext *base.MigrationContext) (binlogReader *Go
 // ConnectBinlogStreamer
 func (this *GoMySQLReader) ConnectBinlogStreamer(coordinates mysql.BinlogCoordinates) (err error) {
 	if coordinates.IsEmpty() {
-		return log.Errorf("Empty coordinates at ConnectBinlogStreamer()")
+		return this.migrationContext.Log.Errorf("Empty coordinates at ConnectBinlogStreamer()")
 	}
 
 	this.currentCoordinates = coordinates
-	log.Infof("Connecting binlog streamer at %+v", this.currentCoordinates)
+	this.migrationContext.Log.Infof("Connecting binlog streamer at %+v", this.currentCoordinates)
 	// Start sync with specified binlog file and position
 	this.binlogStreamer, err = this.binlogSyncer.StartSync(gomysql.Position{this.currentCoordinates.LogFile, uint32(this.currentCoordinates.LogPos)})
 
@@ -78,7 +79,7 @@ func (this *GoMySQLReader) GetCurrentBinlogCoordinates() *mysql.BinlogCoordinate
 // StreamEvents
 func (this *GoMySQLReader) handleRowsEvent(ev *replication.BinlogEvent, rowsEvent *replication.RowsEvent, entriesChannel chan<- *BinlogEntry) error {
 	if this.currentCoordinates.SmallerThanOrEquals(&this.LastAppliedRowsEventHint) {
-		log.Debugf("Skipping handled query at %+v", this.currentCoordinates)
+		this.migrationContext.Log.Debugf("Skipping handled query at %+v", this.currentCoordinates)
 		return nil
 	}
 
@@ -147,14 +148,14 @@ func (this *GoMySQLReader) StreamEvents(canStopStreaming func() bool, entriesCha
 				defer this.currentCoordinatesMutex.Unlock()
 				this.currentCoordinates.LogFile = string(rotateEvent.NextLogName)
 			}()
-			log.Infof("rotate to next log from %s:%d to %s", this.currentCoordinates.LogFile, int64(ev.Header.LogPos), rotateEvent.NextLogName)
+			this.migrationContext.Log.Infof("rotate to next log from %s:%d to %s", this.currentCoordinates.LogFile, int64(ev.Header.LogPos), rotateEvent.NextLogName)
 		} else if rowsEvent, ok := ev.Event.(*replication.RowsEvent); ok {
 			if err := this.handleRowsEvent(ev, rowsEvent, entriesChannel); err != nil {
 				return err
 			}
 		}
 	}
-	log.Debugf("done streaming events")
+	this.migrationContext.Log.Debugf("done streaming events")
 
 	return nil
 }