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refactor function signatures
This commit is contained in:
ZhengYang
parent
c9b12183f8
commit
399e3ffefc
89
migrate.go
89
migrate.go
@ -19,7 +19,9 @@ import (
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"os"
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"os/exec"
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"path"
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"strconv"
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"strings"
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"time"
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)
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var cmdMigrate = &Command{
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@ -58,6 +60,8 @@ func init() {
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}
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func runMigration(cmd *Command, args []string) {
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crupath, _ := os.Getwd()
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gopath := os.Getenv("GOPATH")
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Debugf("gopath:%s", gopath)
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if gopath == "" {
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@ -81,19 +85,19 @@ func runMigration(cmd *Command, args []string) {
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if len(args) == 0 {
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// run all outstanding migrations
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ColorLog("[INFO] Running all outstanding migrations\n")
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migrateUpdate(driverStr, connStr)
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migrateUpdate(crupath, driverStr, connStr)
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} else {
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mcmd := args[0]
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switch mcmd {
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case "rollback":
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ColorLog("[INFO] Rolling back the last migration operation\n")
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migrateRollback(driverStr, connStr)
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migrateRollback(crupath, driverStr, connStr)
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case "reset":
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ColorLog("[INFO] Reseting all migrations\n")
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migrateReset(driverStr, connStr)
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migrateReset(crupath, driverStr, connStr)
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case "refresh":
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ColorLog("[INFO] Refreshing all migrations\n")
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migrateReset(driverStr, connStr)
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migrateReset(crupath, driverStr, connStr)
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default:
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ColorLog("[ERRO] Command is missing\n")
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os.Exit(2)
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@ -151,41 +155,47 @@ func checkForSchemaUpdateTable(db *sql.DB) {
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}
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}
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func getLatestMigration(db *sql.DB) (file string, createdAt string) {
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func getLatestMigration(db *sql.DB) (file string, createdAt int64) {
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sql := "SELECT name, created_at FROM migrations where status = 'update' ORDER BY id_migration DESC LIMIT 1"
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if rows, err := db.Query(sql); err != nil {
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ColorLog("[ERRO] Could not retrieve migrations: %s\n", err)
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os.Exit(2)
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} else {
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var fileBytes, createdAtBytes []byte
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var createdAtStr string
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if rows.Next() {
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if err := rows.Scan(&fileBytes, &createdAtBytes); err != nil {
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if err := rows.Scan(&file, &createdAtStr); err != nil {
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ColorLog("[ERRO] Could not read migrations in database: %s\n", err)
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os.Exit(2)
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}
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file, createdAt = string(fileBytes), string(createdAtBytes)
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if t, err := time.Parse("2006-01-02 15:04:05", createdAtStr); err != nil {
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ColorLog("[ERRO] Could not parse time: %s\n", err)
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os.Exit(2)
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} else {
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createdAt = t.Unix()
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}
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} else {
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file, createdAt = "", "0"
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file, createdAt = "", 0
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}
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}
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return
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}
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func createTempMigrationDir(path string) {
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if err := os.MkdirAll(path, 0777); err != nil {
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ColorLog("[ERRO] Could not create path: %s\n", err)
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func createTempMigrationDir(dir string) {
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if err := os.MkdirAll(dir, 0777); err != nil {
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ColorLog("[ERRO] Could not create directory: %s\n", err)
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os.Exit(2)
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}
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}
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func writeMigrationSourceFile(filename string, driver string, connStr string, latestTime string, latestName string, task string) {
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if f, err := os.OpenFile(filename+".go", os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666); err != nil {
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func writeMigrationSourceFile(dir, source, driver, connStr string, latestTime int64, latestName string, task string) {
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os.Chdir(dir)
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if f, err := os.OpenFile(source, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666); err != nil {
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ColorLog("[ERRO] Could not create file: %s\n", err)
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os.Exit(2)
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} else {
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content := strings.Replace(MIGRATION_MAIN_TPL, "{{DBDriver}}", driver, -1)
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content = strings.Replace(content, "{{ConnStr}}", connStr, -1)
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content = strings.Replace(content, "{{LatestTime}}", latestTime, -1)
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content = strings.Replace(content, "{{LatestTime}}", strconv.FormatInt(latestTime, 10), -1)
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content = strings.Replace(content, "{{LatestName}}", latestName, -1)
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content = strings.Replace(content, "{{Task}}", task, -1)
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if _, err := f.WriteString(content); err != nil {
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@ -196,9 +206,9 @@ func writeMigrationSourceFile(filename string, driver string, connStr string, la
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}
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}
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func buildMigrationBinary(filename string) {
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os.Chdir(path.Join("database", "migrations"))
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cmd := exec.Command("go", "build", "-o", filename)
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func buildMigrationBinary(dir, binary string) {
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os.Chdir(dir)
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cmd := exec.Command("go", "build", "-o", binary)
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if out, err := cmd.CombinedOutput(); err != nil {
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ColorLog("[ERRO] Could not build migration binary: %s\n", err)
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formatShellErrOutput(string(out))
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@ -206,8 +216,9 @@ func buildMigrationBinary(filename string) {
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}
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}
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func runMigrationBinary(filename string) {
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cmd := exec.Command("./" + filename)
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func runMigrationBinary(dir, binary string) {
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os.Chdir(dir)
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cmd := exec.Command("./" + binary)
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if out, err := cmd.CombinedOutput(); err != nil {
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formatShellOutput(string(out))
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ColorLog("[ERRO] Could not run migration binary: %s\n", err)
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@ -217,31 +228,34 @@ func runMigrationBinary(filename string) {
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}
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}
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func removeMigrationBinary(path string) {
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if err := os.Remove(path); err != nil {
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ColorLog("[ERRO] Could not remove migration binary: %s\n", err)
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func removeTempFile(dir, file string) {
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os.Chdir(dir)
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if err := os.Remove(file); err != nil {
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ColorLog("[ERRO] Could not remove temporary migration files: %s\n", err)
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os.Exit(2)
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}
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}
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func migrateUpdate(driver, connStr string) {
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migrate("upgrade", driver, connStr)
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func migrateUpdate(crupath, driver, connStr string) {
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migrate("upgrade", crupath, driver, connStr)
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}
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func migrateRollback(driver, connStr string) {
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migrate("rollback", driver, connStr)
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func migrateRollback(crupath, driver, connStr string) {
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migrate("rollback", crupath, driver, connStr)
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}
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func migrateReset(driver, connStr string) {
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migrate("reset", driver, connStr)
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func migrateReset(crupath, driver, connStr string) {
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migrate("reset", crupath, driver, connStr)
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}
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func migrateRefresh(driver, connStr string) {
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migrate("refresh", driver, connStr)
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func migrateRefresh(crupath, driver, connStr string) {
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migrate("refresh", crupath, driver, connStr)
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}
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func migrate(goal, driver, connStr string) {
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filepath := path.Join("database", "migrations", "migrate")
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func migrate(goal, crupath, driver, connStr string) {
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dir := path.Join(crupath, "database", "migrations")
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binary := "m"
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source := binary + ".go"
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// connect to database
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db, err := sql.Open(driver, connStr)
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if err != nil {
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@ -251,10 +265,11 @@ func migrate(goal, driver, connStr string) {
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defer db.Close()
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checkForSchemaUpdateTable(db)
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latestName, latestTime := getLatestMigration(db)
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writeMigrationSourceFile(filepath, driver, connStr, latestTime, latestName, goal)
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buildMigrationBinary(filepath)
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runMigrationBinary(filepath)
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removeMigrationBinary(filepath)
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writeMigrationSourceFile(dir, source, driver, connStr, latestTime, latestName, goal)
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buildMigrationBinary(dir, binary)
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runMigrationBinary(dir, binary)
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removeTempFile(dir, source)
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removeTempFile(dir, binary)
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}
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func formatShellErrOutput(o string) {
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