Files
kopia/cli/command_repository_connect_from_config.go
Julio López 961a39039b refactor(general): use errors.New where appropriate (#4160)
Replaces 'errors.Errorf\("([^"]+)"\)' => 'errors.New("\1")'
2024-10-05 19:05:00 -07:00

104 lines
3.0 KiB
Go

package cli
import (
"context"
"io"
"os"
"github.com/alecthomas/kingpin/v2"
"github.com/pkg/errors"
"github.com/kopia/kopia/repo"
"github.com/kopia/kopia/repo/blob"
)
type storageFromConfigFlags struct {
connectFromConfigFile string
connectFromConfigToken string
connectFromTokenFile string
connectFromTokenStdin bool
sps StorageProviderServices
}
func (c *storageFromConfigFlags) Setup(sps StorageProviderServices, cmd *kingpin.CmdClause) {
cmd.Flag("file", "Path to the configuration file").StringVar(&c.connectFromConfigFile)
cmd.Flag("token", "Configuration token").StringVar(&c.connectFromConfigToken)
cmd.Flag("token-file", "Path to the configuration token file").StringVar(&c.connectFromTokenFile)
cmd.Flag("token-stdin", "Read configuration token from stdin").BoolVar(&c.connectFromTokenStdin)
c.sps = sps
}
func (c *storageFromConfigFlags) Connect(ctx context.Context, isCreate bool, formatVersion int) (blob.Storage, error) {
_ = formatVersion
if !isCreate && c.connectFromConfigFile != "" {
return c.connectToStorageFromConfigFile(ctx)
}
if c.connectFromConfigToken != "" {
return c.connectToStorageFromConfigToken(ctx, c.connectFromConfigToken)
}
if c.connectFromTokenFile != "" {
return c.connectToStorageFromStorageConfigFile(ctx)
}
if c.connectFromTokenStdin {
return c.connectToStorageFromStorageConfigStdin(ctx)
}
if isCreate {
return nil, errors.New("one of --token-file, --token-stdin or --token must be provided")
}
return nil, errors.New("one of --file, --token-file, --token-stdin or --token must be provided")
}
func (c *storageFromConfigFlags) connectToStorageFromConfigFile(ctx context.Context) (blob.Storage, error) {
cfg, err := repo.LoadConfigFromFile(c.connectFromConfigFile)
if err != nil {
return nil, errors.Wrap(err, "unable to open config")
}
if cfg.Storage == nil {
return nil, errors.New("connection file does not specify blob storage connection parameters, kopia server connections are not supported")
}
//nolint:wrapcheck
return blob.NewStorage(ctx, *cfg.Storage, false)
}
func (c *storageFromConfigFlags) connectToStorageFromConfigToken(ctx context.Context, token string) (blob.Storage, error) {
ci, pass, err := repo.DecodeToken(token)
if err != nil {
return nil, errors.Wrap(err, "invalid token")
}
if pass != "" {
c.sps.setPasswordFromToken(pass)
}
//nolint:wrapcheck
return blob.NewStorage(ctx, ci, false)
}
func (c *storageFromConfigFlags) connectToStorageFromStorageConfigFile(ctx context.Context) (blob.Storage, error) {
tokenData, err := os.ReadFile(c.connectFromTokenFile)
if err != nil {
return nil, errors.Wrap(err, "unable to open token file")
}
return c.connectToStorageFromConfigToken(ctx, string(tokenData))
}
func (c *storageFromConfigFlags) connectToStorageFromStorageConfigStdin(ctx context.Context) (blob.Storage, error) {
tokenData, err := io.ReadAll(c.sps.stdin())
if err != nil {
return nil, errors.Wrap(err, "unable to read token from stdin")
}
return c.connectToStorageFromConfigToken(ctx, string(tokenData))
}