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migrate.go
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migrate.go
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package cmd
import (
"strconv"
"github.com/hashicorp/go-multierror"
"github.com/spf13/cobra"
"github.com/Permify/permify/internal/storage"
)
const (
target = "target"
databaseEngine = "database-engine"
databaseURI = "database-uri"
)
// NewMigrateCommand - Creates new migrate command
func NewMigrateCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "migrate",
Short: "migrate the database",
Args: cobra.NoArgs,
}
cmd.AddCommand(NewMigrateUpCommand())
cmd.AddCommand(NewMigrateDownCommand())
cmd.AddCommand(NewMigrateStatusCommand())
cmd.AddCommand(NewMigrateResetCommand())
return cmd
}
// NewMigrateUpCommand - Creates new migrate up command
func NewMigrateUpCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "up",
Short: "migrate the DB to the most recent version available",
RunE: migrateUp(),
Args: cobra.NoArgs,
}
// add flags to the migration up command
cmd.PersistentFlags().String(target, "0", "version to migrate")
cmd.PersistentFlags().String(databaseEngine, "", "database engine")
cmd.PersistentFlags().String(databaseURI, "", "database URI")
return cmd
}
// NewMigrateDownCommand - Creates new migrate down command
func NewMigrateDownCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "down",
Short: "roll back the migration for the current database",
RunE: migrateDown(),
Args: cobra.NoArgs,
}
// add flags to the migration down command
cmd.PersistentFlags().String(target, "0", "version to rollback")
cmd.PersistentFlags().String(databaseEngine, "", "database engine")
cmd.PersistentFlags().String(databaseURI, "", "database URI")
return cmd
}
// NewMigrateStatusCommand - Creates new migrate status command
func NewMigrateStatusCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "status",
Short: "dump the migration status for the current DB",
RunE: migrateStatus(),
Args: cobra.NoArgs,
}
// add flags to the migration status command
cmd.PersistentFlags().String(databaseEngine, "", "database engine")
cmd.PersistentFlags().String(databaseURI, "", "database URI")
return cmd
}
// NewMigrateResetCommand - Creates new migrate reset command
func NewMigrateResetCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "reset",
Short: "roll back all migrations",
RunE: migrateReset(),
Args: cobra.NoArgs,
}
// add flags to the migration status command
cmd.PersistentFlags().String(databaseEngine, "", "database engine")
cmd.PersistentFlags().String(databaseURI, "", "database URI")
return cmd
}
// migrateUp - permify migrate up command
func migrateUp() func(cmd *cobra.Command, args []string) error {
return func(cmd *cobra.Command, args []string) error {
flags, err := getFlags(cmd, []string{target, databaseEngine, databaseURI})
if err != nil {
return err
}
p, err := strconv.ParseInt(flags[target], 10, 64)
if err != nil {
return err
}
if p == 0 {
return storage.MigrateUp(flags[databaseEngine], flags[databaseURI])
}
return storage.MigrateUpTo(flags[databaseEngine], flags[databaseURI], p)
}
}
// migrateDown - permify migrate down command
func migrateDown() func(cmd *cobra.Command, args []string) error {
return func(cmd *cobra.Command, args []string) error {
flags, err := getFlags(cmd, []string{target, databaseEngine, databaseURI})
if err != nil {
return err
}
p, err := strconv.ParseInt(flags[target], 10, 64)
if err != nil {
return nil
}
if p == 0 {
return storage.MigrateDown(flags[databaseEngine], flags[databaseURI])
}
return storage.MigrateDownTo(flags[databaseEngine], flags[databaseURI], p)
}
}
// migrateReset - permify migrate reset command
func migrateReset() func(cmd *cobra.Command, args []string) error {
return func(cmd *cobra.Command, args []string) error {
flags, err := getFlags(cmd, []string{databaseEngine, databaseURI})
if err != nil {
return err
}
return storage.MigrateReset(flags[databaseEngine], flags[databaseURI])
}
}
// migrateStatus - permify migrate status command
func migrateStatus() func(cmd *cobra.Command, args []string) error {
return func(cmd *cobra.Command, args []string) error {
flags, err := getFlags(cmd, []string{databaseEngine, databaseURI})
if err != nil {
return err
}
return storage.MigrateStatus(flags[databaseEngine], flags[databaseURI])
}
}
func getFlags(cmd *cobra.Command, flags []string) (map[string]string, error) {
resp := make(map[string]string, len(flags))
var multiErr *multierror.Error
for i := range flags {
value, err := cmd.Flags().GetString(flags[i])
if err != nil {
multiErr.Errors = append(multiErr.Errors, err)
}
resp[flags[i]] = value
}
if multiErr.ErrorOrNil() != nil {
return nil, multiErr
}
return resp, nil
}