podman/pkg/machine/volumes.go

74 lines
1.4 KiB
Go

package machine
import (
"strings"
"github.com/containers/podman/v5/pkg/machine/vmconfigs"
)
type Volume interface {
Kind() VolumeKind
}
type VolumeKind string
var (
VirtIOFsVk VolumeKind = "virtiofs"
NinePVk VolumeKind = "9p"
)
type VirtIoFs struct {
VolumeKind
ReadOnly bool
Source string
Tag string
Target string
}
func (v VirtIoFs) Kind() string {
return string(VirtIOFsVk)
}
// unitName is the fq path where /'s are replaced with -'s
func (v VirtIoFs) unitName() string {
// delete the leading -
unit := strings.ReplaceAll(v.Target, "/", "-")
if strings.HasPrefix(unit, "-") {
return unit[1:]
}
return unit
}
func (v VirtIoFs) ToMount() vmconfigs.Mount {
return vmconfigs.Mount{
ReadOnly: v.ReadOnly,
Source: v.Source,
Tag: v.Tag,
Target: v.Target,
Type: v.Kind(),
}
}
// NewVirtIoFsMount describes a machine volume mount for virtio-fs. With virtio-fs
// the source/target are described as a "shared dir". With this style of volume mount
// the Tag is used as the descriptor value for the mount (in Linux).
func NewVirtIoFsMount(src, target string, readOnly bool) VirtIoFs {
vfs := VirtIoFs{
ReadOnly: readOnly,
Source: src,
Target: target,
}
vfs.Tag = vfs.unitName()
return vfs
}
func MountToVirtIOFs(mnt *vmconfigs.Mount) VirtIoFs {
return VirtIoFs{
VolumeKind: VirtIOFsVk,
ReadOnly: mnt.ReadOnly,
Source: mnt.Source,
Tag: mnt.Tag,
Target: mnt.Target,
}
}