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moby--moby/daemon/export.go
Morgan Bauer abd72d4008
golint fixes for daemon/ package
- some method names were changed to have a 'Locking' suffix, as the
 downcased versions already existed, and the existing functions simply
 had locks around the already downcased version.
 - deleting unused functions
 - package comment
 - magic numbers replaced by golang constants
 - comments all over

Signed-off-by: Morgan Bauer <mbauer@us.ibm.com>
2015-08-27 22:07:42 -07:00

27 lines
620 B
Go

package daemon
import (
"fmt"
"io"
)
// ContainerExport writes the contents of the container to the given
// writer. An error is returned if the container cannot be found.
func (daemon *Daemon) ContainerExport(name string, out io.Writer) error {
container, err := daemon.Get(name)
if err != nil {
return err
}
data, err := container.export()
if err != nil {
return fmt.Errorf("%s: %s", name, err)
}
defer data.Close()
// Stream the entire contents of the container (basically a volatile snapshot)
if _, err := io.Copy(out, data); err != nil {
return fmt.Errorf("%s: %s", name, err)
}
return nil
}