podman

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