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import.go
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import.go
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package main
import (
"errors"
"fmt"
"io"
"os"
"path/filepath"
"github.com/spf13/cobra"
"go.flipt.io/flipt/internal/ext"
"go.flipt.io/flipt/internal/storage/sql"
)
type importCommand struct {
dropBeforeImport bool
importStdin bool
address string
token string
}
func newImportCommand() *cobra.Command {
importCmd := &importCommand{}
cmd := &cobra.Command{
Use: "import",
Short: "Import Flipt data from file/stdin",
RunE: importCmd.run,
}
cmd.Flags().BoolVar(
&importCmd.dropBeforeImport,
"drop",
false,
"drop database before import",
)
cmd.Flags().BoolVar(
&importCmd.importStdin,
"stdin",
false,
"import from STDIN",
)
cmd.Flags().StringVarP(
&importCmd.address,
"address", "a",
"",
"address of Flipt instance (defaults to direct DB import if not supplied).",
)
cmd.Flags().StringVarP(
&importCmd.token,
"token", "t",
"",
"client token used to authenticate access to Flipt instance.",
)
cmd.Flags().StringVar(&providedConfigFile, "config", "", "path to config file")
return cmd
}
func (c *importCommand) run(cmd *cobra.Command, args []string) error {
var (
ctx = cmd.Context()
in io.Reader = os.Stdin
enc = ext.EncodingYML
)
if !c.importStdin {
if len(args) < 1 {
return errors.New("import filename required")
}
importFilename := args[0]
if importFilename == "" {
return errors.New("import filename required")
}
f := filepath.Clean(importFilename)
fi, err := os.Open(f)
if err != nil {
return fmt.Errorf("opening import file: %w", err)
}
defer fi.Close()
in = fi
if extn := filepath.Ext(importFilename); len(extn) > 0 {
// strip off leading .
enc = ext.Encoding(extn[1:])
}
}
// Use client when remote address is configured.
if c.address != "" {
client, err := fliptClient(c.address, c.token)
if err != nil {
return err
}
return ext.NewImporter(client).Import(ctx, enc, in)
}
logger, cfg, err := buildConfig(ctx)
if err != nil {
return err
}
defer func() {
_ = logger.Sync()
}()
// drop tables if specified
if c.dropBeforeImport {
migrator, err := sql.NewMigrator(*cfg, logger)
if err != nil {
return err
}
if err := migrator.Drop(); err != nil {
return fmt.Errorf("attempting to drop: %w", err)
}
if _, err := migrator.Close(); err != nil {
return fmt.Errorf("closing migrator: %w", err)
}
}
migrator, err := sql.NewMigrator(*cfg, logger)
if err != nil {
return err
}
if err := migrator.Up(forceMigrate); err != nil {
return err
}
if _, err := migrator.Close(); err != nil {
return fmt.Errorf("closing migrator: %w", err)
}
// Otherwise, go direct to the DB using Flipt configuration file.
server, cleanup, err := fliptServer(logger, cfg)
if err != nil {
return err
}
defer cleanup()
return ext.NewImporter(
server,
).Import(ctx, enc, in)
}