329 lines
7.4 KiB
Go
329 lines
7.4 KiB
Go
package serv
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/dosco/super-graph/migrate"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var sampleMigration = `-- This is a sample migration.
|
|
|
|
create table users(
|
|
id serial primary key,
|
|
fullname varchar not null,
|
|
email varchar not null
|
|
);
|
|
|
|
---- create above / drop below ----
|
|
|
|
drop table users;
|
|
`
|
|
|
|
var newMigrationText = `-- Write your migrate up statements here
|
|
|
|
---- create above / drop below ----
|
|
|
|
-- Write your migrate down statements here. If this migration is irreversible
|
|
-- Then delete the separator line above.
|
|
`
|
|
|
|
func cmdDBSetup(cmd *cobra.Command, args []string) {
|
|
initConfOnce()
|
|
cmdDBCreate(cmd, []string{})
|
|
cmdDBMigrate(cmd, []string{"up"})
|
|
|
|
sfile := path.Join(confPath, conf.SeedFile)
|
|
_, err := os.Stat(sfile)
|
|
|
|
if err == nil {
|
|
cmdDBSeed(cmd, []string{})
|
|
return
|
|
}
|
|
|
|
if os.IsNotExist(err) == false {
|
|
logger.Fatal().Err(err).Msgf("unable to check if '%s' exists", sfile)
|
|
}
|
|
|
|
logger.Warn().Msgf("failed to read seed file '%s'", sfile)
|
|
}
|
|
|
|
func cmdDBReset(cmd *cobra.Command, args []string) {
|
|
initConfOnce()
|
|
|
|
if conf.Production {
|
|
logger.Fatal().Msg("db:reset does not work in production")
|
|
return
|
|
}
|
|
cmdDBDrop(cmd, []string{})
|
|
cmdDBSetup(cmd, []string{})
|
|
}
|
|
|
|
func cmdDBCreate(cmd *cobra.Command, args []string) {
|
|
initConfOnce()
|
|
ctx := context.Background()
|
|
|
|
conn, err := initDB(conf, false)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to connect to database")
|
|
}
|
|
defer conn.Close(ctx)
|
|
|
|
sql := fmt.Sprintf("CREATE DATABASE %s", conf.DB.DBName)
|
|
|
|
_, err = conn.Exec(ctx, sql)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to create database")
|
|
}
|
|
|
|
logger.Info().Msgf("created database '%s'", conf.DB.DBName)
|
|
}
|
|
|
|
func cmdDBDrop(cmd *cobra.Command, args []string) {
|
|
initConfOnce()
|
|
ctx := context.Background()
|
|
|
|
conn, err := initDB(conf, false)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to connect to database")
|
|
}
|
|
defer conn.Close(ctx)
|
|
|
|
sql := fmt.Sprintf(`DROP DATABASE IF EXISTS %s`, conf.DB.DBName)
|
|
|
|
_, err = conn.Exec(ctx, sql)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to create database")
|
|
}
|
|
|
|
logger.Info().Msgf("dropped database '%s'", conf.DB.DBName)
|
|
}
|
|
|
|
func cmdDBNew(cmd *cobra.Command, args []string) {
|
|
if len(args) != 1 {
|
|
cmd.Help()
|
|
os.Exit(1)
|
|
}
|
|
|
|
initConfOnce()
|
|
name := args[0]
|
|
|
|
m, err := migrate.FindMigrations(conf.MigrationsPath)
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "Error loading migrations:\n %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
mname := fmt.Sprintf("%d_%s.sql", len(m), name)
|
|
|
|
// Write new migration
|
|
mpath := filepath.Join(conf.MigrationsPath, mname)
|
|
mfile, err := os.OpenFile(mpath, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0666)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
defer mfile.Close()
|
|
|
|
_, err = mfile.WriteString(newMigrationText)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
logger.Info().Msgf("created migration '%s'", mpath)
|
|
}
|
|
|
|
func cmdDBMigrate(cmd *cobra.Command, args []string) {
|
|
if len(args) == 0 {
|
|
cmd.Help()
|
|
os.Exit(1)
|
|
}
|
|
|
|
initConfOnce()
|
|
dest := args[0]
|
|
|
|
conn, err := initDB(conf, true)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to connect to database")
|
|
}
|
|
defer conn.Close(context.Background())
|
|
|
|
m, err := migrate.NewMigrator(conn, "schema_version")
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to initializing migrator")
|
|
}
|
|
|
|
m.Data = getMigrationVars()
|
|
|
|
err = m.LoadMigrations(conf.MigrationsPath)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to load migrations")
|
|
}
|
|
|
|
if len(m.Migrations) == 0 {
|
|
logger.Fatal().Msg("No migrations found")
|
|
}
|
|
|
|
m.OnStart = func(sequence int32, name, direction, sql string) {
|
|
logger.Info().Msgf("%s executing %s %s\n%s\n\n",
|
|
time.Now().Format("2006-01-02 15:04:05"), name, direction, sql)
|
|
}
|
|
|
|
var currentVersion int32
|
|
currentVersion, err = m.GetCurrentVersion()
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "Unable to get current version:\n %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
mustParseDestination := func(d string) int32 {
|
|
var n int64
|
|
n, err = strconv.ParseInt(d, 10, 32)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("invalid destination")
|
|
}
|
|
return int32(n)
|
|
}
|
|
|
|
if dest == "up" {
|
|
err = m.Migrate()
|
|
|
|
} else if dest == "down" {
|
|
err = m.MigrateTo(currentVersion - 1)
|
|
|
|
} else if len(dest) >= 3 && dest[0:2] == "-+" {
|
|
err = m.MigrateTo(currentVersion - mustParseDestination(dest[2:]))
|
|
if err == nil {
|
|
err = m.MigrateTo(currentVersion)
|
|
}
|
|
|
|
} else if len(dest) >= 2 && dest[0] == '-' {
|
|
err = m.MigrateTo(currentVersion - mustParseDestination(dest[1:]))
|
|
|
|
} else if len(dest) >= 2 && dest[0] == '+' {
|
|
err = m.MigrateTo(currentVersion + mustParseDestination(dest[1:]))
|
|
|
|
} else {
|
|
cmd.Help()
|
|
os.Exit(1)
|
|
}
|
|
|
|
if err != nil {
|
|
logger.Info().Err(err).Send()
|
|
|
|
// logger.Info().Err(err).Send()
|
|
|
|
// if err, ok := err.(m.MigrationPgError); ok {
|
|
// if err.Detail != "" {
|
|
// logger.Info().Err(err).Msg(err.Detail)
|
|
// }
|
|
|
|
// if err.Position != 0 {
|
|
// ele, err := ExtractErrorLine(err.Sql, int(err.Position))
|
|
// if err != nil {
|
|
// logger.Fatal().Err(err).Send()
|
|
// }
|
|
|
|
// prefix := fmt.Sprintf()
|
|
// logger.Info().Msgf("line %d, %s%s", ele.LineNum, prefix, ele.Text)
|
|
// }
|
|
// }
|
|
// os.Exit(1)
|
|
}
|
|
|
|
logger.Info().Msg("migration done")
|
|
|
|
}
|
|
|
|
func cmdDBStatus(cmd *cobra.Command, args []string) {
|
|
initConfOnce()
|
|
|
|
conn, err := initDB(conf, true)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to connect to database")
|
|
}
|
|
defer conn.Close(context.Background())
|
|
|
|
m, err := migrate.NewMigrator(conn, "schema_version")
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to initialize migrator")
|
|
}
|
|
|
|
m.Data = getMigrationVars()
|
|
|
|
err = m.LoadMigrations(conf.MigrationsPath)
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to load migrations")
|
|
}
|
|
|
|
if len(m.Migrations) == 0 {
|
|
logger.Fatal().Msg("no migrations found")
|
|
}
|
|
|
|
mver, err := m.GetCurrentVersion()
|
|
if err != nil {
|
|
logger.Fatal().Err(err).Msg("failed to retrieve migration")
|
|
}
|
|
|
|
var status string
|
|
behindCount := len(m.Migrations) - int(mver)
|
|
if behindCount == 0 {
|
|
status = "up to date"
|
|
} else {
|
|
status = "migration(s) pending"
|
|
}
|
|
|
|
fmt.Println("status: ", status)
|
|
fmt.Printf("version: %d of %d\n", mver, len(m.Migrations))
|
|
fmt.Println("host: ", conf.DB.Host)
|
|
fmt.Println("database:", conf.DB.DBName)
|
|
}
|
|
|
|
type ErrorLineExtract struct {
|
|
LineNum int // Line number starting with 1
|
|
ColumnNum int // Column number starting with 1
|
|
Text string // Text of the line without a new line character.
|
|
}
|
|
|
|
// ExtractErrorLine takes source and character position extracts the line
|
|
// number, column number, and the line of text.
|
|
//
|
|
// The first character is position 1.
|
|
func ExtractErrorLine(source string, position int) (ErrorLineExtract, error) {
|
|
ele := ErrorLineExtract{LineNum: 1}
|
|
|
|
if position > len(source) {
|
|
return ele, fmt.Errorf("position (%d) is greater than source length (%d)", position, len(source))
|
|
}
|
|
|
|
lines := strings.SplitAfter(source, "\n")
|
|
for _, ele.Text = range lines {
|
|
if position-len(ele.Text) < 1 {
|
|
ele.ColumnNum = position
|
|
break
|
|
}
|
|
|
|
ele.LineNum += 1
|
|
position -= len(ele.Text)
|
|
}
|
|
|
|
ele.Text = strings.TrimSuffix(ele.Text, "\n")
|
|
|
|
return ele, nil
|
|
}
|
|
|
|
func getMigrationVars() map[string]interface{} {
|
|
return map[string]interface{}{
|
|
"app_name": strings.Title(conf.AppName),
|
|
"app_name_slug": strings.ToLower(strings.Replace(conf.AppName, " ", "_", -1)),
|
|
"env": strings.ToLower(os.Getenv("GO_ENV")),
|
|
}
|
|
}
|