Files
warewulf/internal/pkg/overlay/config.go
2022-03-17 15:36:07 +01:00

35 lines
880 B
Go

package overlay
import (
"os"
"path"
"strings"
"github.com/hpcng/warewulf/internal/pkg/buildconfig"
)
func OverlaySourceTopDir() string {
return buildconfig.WWOVERLAYDIR()
}
/*
Return the path for the base of the overlay, strips rootfs
prefix in the overlay dir if this it exists
*/
func OverlaySourceDir(overlayName string) string {
/* Assume using old style overlay dir without rootfs */
var overlaypath = path.Join(OverlaySourceTopDir(), overlayName)
if _, err := os.Stat(path.Join(overlaypath, "rootfs")); err == nil {
/* rootfs exists, use it. */
overlaypath = path.Join(overlaypath, "rootfs")
}
return overlaypath
}
/*
Returns the overlay name of the image for a given node
*/
func OverlayImage(nodeName string, overlayName []string) string {
return path.Join(buildconfig.WWPROVISIONDIR(), "overlays/", nodeName, strings.Join(overlayName, "-")+".img")
}