Files
kopia/cli/storage_gcs.go
Mike McKay-Dirden 1bceb7155e feat(providers): GCS immutability (#4134)
- Allow blob `Put/ExtendBlobRetention`
- PITR support
- PITR/versioning tests
2024-09-26 21:46:25 -07:00

69 lines
2.1 KiB
Go

package cli
import (
"context"
"encoding/json"
"os"
"time"
"github.com/alecthomas/kingpin/v2"
"github.com/pkg/errors"
"github.com/kopia/kopia/repo/blob"
"github.com/kopia/kopia/repo/blob/gcs"
)
type storageGCSFlags struct {
options gcs.Options
embedCredentials bool
}
func (c *storageGCSFlags) Setup(_ StorageProviderServices, cmd *kingpin.CmdClause) {
cmd.Flag("bucket", "Name of the Google Cloud Storage bucket").Required().StringVar(&c.options.BucketName)
cmd.Flag("prefix", "Prefix to use for objects in the bucket").StringVar(&c.options.Prefix)
cmd.Flag("read-only", "Use read-only GCS scope to prevent write access").BoolVar(&c.options.ReadOnly)
cmd.Flag("credentials-file", "Use the provided JSON file with credentials").ExistingFileVar(&c.options.ServiceAccountCredentialsFile)
cmd.Flag("embed-credentials", "Embed GCS credentials JSON in Kopia configuration").BoolVar(&c.embedCredentials)
commonThrottlingFlags(cmd, &c.options.Limits)
var pointInTimeStr string
pitPreAction := func(_ *kingpin.ParseContext) error {
if pointInTimeStr != "" {
t, err := time.Parse(time.RFC3339, pointInTimeStr)
if err != nil {
return errors.Wrap(err, "invalid point-in-time argument")
}
c.options.PointInTime = &t
}
return nil
}
cmd.Flag("point-in-time", "Use a point-in-time view of the storage repository when supported").PlaceHolder(time.RFC3339).PreAction(pitPreAction).StringVar(&pointInTimeStr)
}
func (c *storageGCSFlags) Connect(ctx context.Context, isCreate bool, formatVersion int) (blob.Storage, error) {
_ = formatVersion
if isCreate && c.options.PointInTime != nil && !c.options.PointInTime.IsZero() {
return nil, errors.New("Cannot specify a 'point-in-time' option when creating a repository")
}
if c.embedCredentials {
data, err := os.ReadFile(c.options.ServiceAccountCredentialsFile)
if err != nil {
return nil, errors.Wrap(err, "unable to open service account credentials file")
}
c.options.ServiceAccountCredentialJSON = json.RawMessage(data)
c.options.ServiceAccountCredentialsFile = ""
}
//nolint:wrapcheck
return gcs.New(ctx, &c.options, isCreate)
}