Imports
- cloud.google.com/go/storage
- github.com/aws/aws-sdk-go/aws
- github.com/aws/aws-sdk-go/aws/awserr
- github.com/aws/aws-sdk-go/aws/client
- github.com/aws/aws-sdk-go/aws/credentials
- github.com/aws/aws-sdk-go/aws/request
- github.com/aws/aws-sdk-go/aws/session
- github.com/aws/aws-sdk-go/service/s3
- github.com/aws/aws-sdk-go/service/s3/s3iface
- github.com/pingcap/errors
- github.com/pingcap/kvproto/pkg/backup
- github.com/pingcap/log
- github.com/spf13/pflag
- go.uber.org/zap
- golang.org/x/oauth2/google
- google.golang.org/api/iterator
- google.golang.org/api/option