Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Info method of migrator Package

Best Testkube code snippet using migrator.Info

migrate.go

Source:migrate.go

...71		return72	}73	mContainer.Lock()74	mContainer.state = MigrateCompleted75	logger.INFO("[#cluster] migrator container %s > %s to %s", ShortContainerID(mContainer.ID), ShortContainerID(container.Info.ID), engine.IP)76	mContainer.Unlock()77	return78}79// Migrator is exported80type Migrator struct {81	sync.RWMutex82	MetaID       string83	Cluster      *Cluster84	retryCount   int6485	migrateDelay time.Duration86	containers   []*MigrateContainer87	handler      MigratorHandler88}89// NewMigrator is exported90func NewMigrator(metaid string, containers Containers, cluster *Cluster, migrateDelay time.Duration, handler MigratorHandler) *Migrator {91	mContainers := []*MigrateContainer{}92	for _, container := range containers {93		mContainer := NewMigrateContainer(container.Info.ID, container.BaseConfig)94		if mContainer != nil {95			mContainers = append(mContainers, mContainer)96		}97	}98	return &Migrator{99		MetaID:       metaid,100		Cluster:      cluster,101		retryCount:   cluster.createRetry,102		migrateDelay: migrateDelay,103		containers:   mContainers,104		handler:      handler,105	}106}107func (migrator *Migrator) verifyEngines() bool {108	_, engines, err := migrator.Cluster.GetMetaDataEngines(migrator.MetaID)109	if err != nil {110		return false111	}112	for _, engine := range engines {113		if engine.IsHealthy() {114			return true115		}116	}117	return false118}119func (migrator *Migrator) isAllCompleted() bool {120	migrator.RLock()121	defer migrator.RUnlock()122	for _, mContainer := range migrator.containers {123		if mContainer.GetState() != MigrateCompleted {124			return false125		}126	}127	return true128}129func (migrator *Migrator) isPartCompleted() bool {130	migrator.RLock()131	defer migrator.RUnlock()132	nCompletedCount := 0133	for _, mContainer := range migrator.containers {134		if mContainer.GetState() == MigrateCompleted {135			nCompletedCount = nCompletedCount + 1136		}137	}138	if nCompletedCount == 0 {139		return false140	}141	return nCompletedCount != len(migrator.containers)142}143func (migrator *Migrator) resetMigrateContainers() {144	migrator.Lock()145	for _, mContainer := range migrator.containers {146		if mContainer.GetState() == MigrateFailure {147			mContainer.SetState(MigrateReady)148		}149	}150	migrator.retryCount = migrator.retryCount - 1151	migrator.Unlock()152}153func (migrator *Migrator) selectMigrateContainer() *MigrateContainer {154	migrator.RLock()155	defer migrator.RUnlock()156	for _, mContainer := range migrator.containers {157		if mContainer.GetState() == MigrateReady {158			return mContainer159		}160	}161	return nil162}163func (migrator *Migrator) removeMigrateContainer(mContainer *MigrateContainer) {164	migrator.Lock()165	for i, pmContainer := range migrator.containers {166		if pmContainer == mContainer {167			migrator.containers = append(migrator.containers[:i], migrator.containers[i+1:]...)168			break169		}170	}171	migrator.Unlock()172}173func (migrator *Migrator) clearMigrateContainers() {174	migrator.Lock()175	migrator.containers = []*MigrateContainer{}176	migrator.Unlock()177}178// Containers is exported179func (migrator *Migrator) Containers() []*MigrateContainer {180	migrator.RLock()181	mContainers := []*MigrateContainer{}182	for _, mContainer := range migrator.containers {183		mContainers = append(mContainers, mContainer)184	}185	migrator.RUnlock()186	return mContainers187}188// Container is exported189func (migrator *Migrator) Container(containerid string) *MigrateContainer {190	migrator.RLock()191	defer migrator.RUnlock()192	for _, mContainer := range migrator.containers {193		if mContainer.ID == containerid {194			return mContainer195		}196	}197	return nil198}199// Start is exported200func (migrator *Migrator) Start() {201	time.Sleep(migrator.migrateDelay)202	for {203		migrator.RLock()204		mContainers := migrator.containers205		migrator.RUnlock()206		if len(mContainers) == 0 {207			break208		}209		if !migrator.isAllCompleted() {210			if !migrator.verifyEngines() {211				err := fmt.Errorf("cluster no docker-engine available")212				logger.ERROR("[#cluster] migrator %s containers error %s.", migrator.MetaID, err)213				migrator.clearMigrateContainers()214				migrator.Cluster.configCache.ClearContainerBaseConfig(migrator.MetaID)215				migrator.handler.OnMigratorNotifyHandleFunc(migrator, err)216				break217			}218		}219		mContainer := migrator.selectMigrateContainer()220		if mContainer != nil {221			mContainer.Execute(migrator.Cluster)222			if mContainer.GetState() == MigrateCompleted {223				migrator.Cluster.configCache.RemoveContainerBaseConfig(migrator.MetaID, mContainer.ID)224			}225			continue226		}227		if migrator.isAllCompleted() {228			migrator.handler.OnMigratorNotifyHandleFunc(migrator, nil)229			break230		}231		if migrator.retryCount <= 0 {232			migrator.Lock()233			for _, mContainer := range migrator.containers {234				if mContainer.GetState() == MigrateFailure {235					migrator.Cluster.configCache.RemoveContainerBaseConfig(migrator.MetaID, mContainer.ID)236				}237			}238			migrator.Unlock()239			migrator.handler.OnMigratorNotifyHandleFunc(migrator, fmt.Errorf("meta containers part migrated failure."))240			break241		}242		if migrator.isPartCompleted() {243			migrator.handler.OnMigratorNotifyHandleFunc(migrator, fmt.Errorf("meta containers part migrated completed."))244		}245		migrator.resetMigrateContainers()246		continue247	}248	migrator.clearMigrateContainers()249	migrator.handler.OnMigratorQuitHandleFunc(migrator)250}251// Update is exported252func (migrator *Migrator) Update(metaid string, containers Containers) {253	for _, container := range containers {254		if mContainer := migrator.Container(container.Info.ID); mContainer == nil {255			mContainer = NewMigrateContainer(container.Info.ID, container.BaseConfig)256			if mContainer != nil {257				migrator.Lock()258				migrator.containers = append(migrator.containers, mContainer)259				migrator.Unlock()260			}261		}262	}263}264// Cancel is exported265func (migrator *Migrator) Cancel(metaid string, containers Containers) {266	for _, container := range containers {267		if mContainer := migrator.Container(container.Info.ID); mContainer != nil {268			state := mContainer.GetState()269			if state == MigrateReady || state == MigrateFailure {270				migrator.removeMigrateContainer(mContainer)271			}272		}273	}274}275// Clear is exported276func (migrator *Migrator) Clear() {277	migrator.Lock()278	migrator.containers = []*MigrateContainer{}279	migrator.Unlock()280}281// MigratorHandler is exported...

migrator.go

Source:migrator.go

...47			ran = true48		}49	}50	if !ran {51		console.Info("Nothing to migrate.")52	}53}54func (migrator *Migrator) Rollback() {55	lastMigration := Migration{}56	migrator.DB.Order("id DESC").First(&lastMigration)57	var migrations []Migration58	migrator.DB.Where("batch = ?", lastMigration.Batch).Order("id DESC").Find(&migrations)59	if !migrator.rollbackMigrations(migrations) {60		console.Info("Nothing to rollback.")61	}62}63func (migrator *Migrator) rollbackMigrations(migrations []Migration) bool {64	ran := false65	for _, _migration := range migrations {66		fmt.Printf("%s %s\n", ansi.Color("Rolling back:", "yellow"), _migration.Migration)67		migrationFile := GetMigrationFile(_migration.Migration)68		if migrationFile.Down != nil {69			migrationFile.Down(migrator.DB.Migrator())70		}71		ran = true72		migrator.DB.Delete(&_migration)73		fmt.Printf("%s  %s\n", ansi.Color("Rolled back:", "green"), migrationFile.FileName)74	}75	return ran76}77func (migrator *Migrator) getBatch() int {78	batch := 179	lastMigration := Migration{}80	migrator.DB.Order("id DESC").First(&lastMigration)81	if lastMigration.ID > 0 {82		batch = lastMigration.Batch + 183	}84	return batch85}86func (migrator *Migrator) readAllMigrationFiles() []MigrationFile {87	files, err := ioutil.ReadDir(migrator.Folder)88	console.ExitIf(err)89	var migrateFiles []MigrationFile90	for _, f := range files {91		// Get filename92		fileName := file.GetFileNameWithoutExtension(f.Name())93		migrationFile := GetMigrationFile(fileName)94		if len(migrationFile.FileName) > 0 {95			migrateFiles = append(migrateFiles, migrationFile)96		}97	}98	return migrateFiles99}100func (migrator *Migrator) runUpMigration(migrationFile MigrationFile, batch int) {101	if migrationFile.Up != nil {102		fmt.Printf("%s %s\n", ansi.Color("Migrating:", "yellow"), migrationFile.FileName)103		migrationFile.Up(migrator.DB.Migrator())104		fmt.Printf("%s  %s\n", ansi.Color("Migrated:", "green"), migrationFile.FileName)105	}106	err := migrator.DB.Create(&Migration{Migration: migrationFile.FileName, Batch: batch}).Error107	console.ExitIf(err)108}109func (migrator *Migrator) Reset() {110	var migrations []Migration111	migrator.DB.Order("id DESC").Find(&migrations)112	if !migrator.rollbackMigrations(migrations) {113		console.Info("Nothing to rollback.")114	}115}116func (migrator *Migrator) Refresh() {117	migrator.Reset()118	migrator.Up()119}120func (migrator *Migrator) Fresh() {121	// Delete all tables122	database.DB = migrator.DB123	err := database.DeleteAllTables()124	console.ExitIf(err)125	console.Info("Dropped all tables successfully.")126	// Migrate127	migrator.createMigrationsTable()128	console.Info("Migration table created successfully.")129	migrator.Up()130}131func isNotMigrated(migrations []Migration, migrationFile MigrationFile) bool {132	for _, migration := range migrations {133		if migration.Migration == migrationFile.FileName {134			return false135		}136	}137	return true138}...

migrations.go

Source:migrations.go

...40	}41	if target == 0 {42		target = int32(len(migrator.Migrations))43	}44	log.Info("migration started",45		log.Int32("current-version", version),46		log.Int("last-version", len(migrator.Migrations)),47		log.Int32("target-version", target))48	migrator.OnStart = func(v int32, name, direction, sql string) {49		log.Info("migrating", log.Int32("version", v), log.String("name", name), log.String("direction", direction))50	}51	err = migrator.MigrateTo(ctx, target)52	if err != nil {53		log.Error(err)54		return err55	}56	version, err = migrator.GetCurrentVersion(ctx)57	if err != nil {58		log.Error(err)59		return err60	}61	log.Info("migration finished", log.Int32("current-version", version))62	return nil63}64type migratorFS struct {65	embed.FS66}67func (m migratorFS) ReadDir(dirname string) ([]os.FileInfo, error) {68	entries, err := m.FS.ReadDir(dirname)69	if err != nil {70		return nil, err71	}72	infos := []os.FileInfo{}73	for _, entry := range entries {74		info, err := entry.Info()75		if err != nil {76			return nil, err77		}78		infos = append(infos, info)79	}80	return infos, nil81}82func (m migratorFS) ReadFile(filename string) ([]byte, error) {83	return m.FS.ReadFile(filename)84}85func (m migratorFS) Glob(pattern string) ([]string, error) {86	pattern = filepath.Base(pattern)87	matches := []string{}88	entries, err := m.FS.ReadDir(".")...

Info

Using AI Code Generation

1import (2func main() {3    orm.RegisterDriver("mysql", orm.DRMySQL)4    orm.RegisterDataBase("default", "mysql", "root:root@/test?charset=utf8")5    orm.RunSyncdb("default", false, true)6    o := orm.NewOrm()7    migrator := orm.NewMigrator()8    migrator.Info()9    migrator.DropColumn("users", "email")10    migrator.Info()11    migrator.AddColumn("users", "email")12    migrator.Info()13    migrator.RenameColumn("users", "email", "new_email")14    migrator.Info()15    migrator.RenameTable("users", "new_users")16    migrator.Info()17    migrator.AlterColumn("new_users", "new_email", "varchar(100)")18    migrator.Info()19    migrator.AlterColumn("new_users", "new_email", "varchar(100) null")20    migrator.Info()21    migrator.AlterColumn("new_users", "new_email", "varchar(100) null default 'test'")22    migrator.Info()23    migrator.AlterColumn("new_users", "new_email", "varchar(100) null default 'test' unique")24    migrator.Info()25    migrator.AlterColumn("new_users", "new_email", "varchar(100) null default 'test' unique comment 'test'")26    migrator.Info()27    migrator.AlterColumn("new_users", "new_email", "varchar(100) null default 'test' unique comment 'test' after id")28    migrator.Info()29    migrator.AlterColumn("new_users", "new_email", "varchar(100) null default 'test' unique comment 'test' after id")30    migrator.Info()31    migrator.AlterColumn("new_users", "new_email", "varchar(100) null default 'test

Info

Using AI Code Generation

1import (2type Migrator struct {3}4func NewMigrator() *Migrator {5	return &Migrator{}6}7func (m Migrator) Info() {8	rows, err := m.DB.Query("SELECT version FROM schema_version")9	if err != nil {10		log.Fatal(err)11	}12	defer rows.Close()13	for rows.Next() {14		if err := rows.Scan(&version); err != nil {15			log.Fatal(err)16		}17		fmt.Println(version)18	}19	if err := rows.Err(); err != nil {20		log.Fatal(err)21	}22}23func (m Migrator) Migrate() {24	rows, err := m.DB.Query("SELECT version FROM schema_version")25	if err != nil {26		log.Fatal(err)27	}28	defer rows.Close()29	for rows.Next() {30		if err := rows.Scan(&version); err != nil {31			log.Fatal(err)32		}33		fmt.Println(version)34	}35	if err := rows.Err(); err != nil {36		log.Fatal(err)37	}38}39func (m Migrator) Rollback() {40	rows, err := m.DB.Query("SELECT version FROM schema_version")41	if err != nil {42		log.Fatal(err)43	}44	defer rows.Close()45	for rows.Next() {46		if err := rows.Scan(&version); err != nil {47			log.Fatal(err)48		}49		fmt.Println(version)50	}51	if err := rows.Err(); err != nil {52		log.Fatal(err)

Info

Using AI Code Generation

1import (2func main() {3	m := migrator.Migrator{}4	m.Info()5	fmt.Println("Hello world")6}7import (8type Migrator struct {9}10func (m Migrator) Info() {11	fmt.Println("Migrator version 1.0")12}13If you want to run the above code from the root folder then you need to change the import path to14import "github.com/username/projectname/migrator"15If you want to run the above command from the root folder of the project then you need to change the import path to16import "github.com/username/projectname/migrator"

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.