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package overlay
import (
//"fmt"
//"os"
//"path/filepath"
//"strings"
//"syscall"
"errors"
//"github.com/containers/storage/pkg/unshare"
"github.com/opencontainers/runtime-spec/specs-go"
)
// MountWithOptions returns a specs.Mount which makes the contents of ${source}
// visible at ${dest} in the container.
// Options allows the caller to configure whether or not the mount should be
// read-only.
// This API is used by podman.
func MountWithOptions(contentDir, source, dest string, opts *Options) (mount specs.Mount, Err error) {
if opts == nil {
opts = &Options{}
}
if opts.ReadOnly {
// Read-only overlay mounts can be simulated with nullfs
mount.Source = source
mount.Destination = dest
mount.Type = "nullfs"
mount.Options = []string{"ro"}
return mount, nil
} else {
return mount, errors.New("read/write overlay mounts not supported on freebsd")
}
}
|
