Updates around VNFS restructure and kernel restructure. More coming.

internal/pkg/vnfs_old/containerdir.go

@@ -0,0 +1,62 @@
+package vnfs
+
+import (
+	"fmt"
+	"github.com/hpcng/warewulf/internal/pkg/util"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"os"
+	"path"
+)
+
+func BuildContainerdir(vnfs VnfsObject, buildForce bool) {
+
+	if _, err := os.Stat(vnfs.Source); err != nil {
+		wwlog.Printf(wwlog.INFO, "%-35s: Skipping (bad path)\n", vnfs.Source)
+		return
+	}
+
+	wwlog.Printf(wwlog.DEBUG, "Checking if there have been any updates to the VNFS directory\n")
+	if util.PathIsNewer(vnfs.Source, vnfs.Image) {
+		if buildForce == false {
+			wwlog.Printf(wwlog.INFO, "%-35s: Skipping, VNFS is current\n", vnfs.Name)
+			return
+		}
+	}
+
+	wwlog.Printf(wwlog.DEBUG, "Making parent directory for: %s\n", vnfs.Image)
+	err := os.MkdirAll(path.Dir(vnfs.Image), 0755)
+	if err != nil {
+		fmt.Printf("ERROR: %s\n", err)
+		return
+	}
+
+	wwlog.Printf(wwlog.DEBUG, "Making parent directory for: %s\n", vnfs.Chroot)
+	err = os.MkdirAll(path.Dir(vnfs.Chroot), 0755)
+	if err != nil {
+		fmt.Printf("ERROR: %s\n", err)
+		return
+	}
+
+	wwlog.Printf(wwlog.DEBUG, "Building VNFS image: '%s' -> '%s'\n", vnfs.Source, vnfs.Image)
+	err = buildVnfs(vnfs.Source, vnfs.Image)
+	if err != nil {
+		fmt.Printf("ERROR: %s\n", err)
+		os.Exit(1)
+	}
+
+	// Setup links from OCI rootfs to chroot path
+	_ = os.Remove(vnfs.Chroot + "-link")
+	err = os.Symlink(vnfs.Source, vnfs.Chroot+"-link")
+	if err != nil {
+		wwlog.Printf(wwlog.ERROR, "Could not create symlink for Chroot: %s\n", err)
+		os.Exit(1)
+	}
+	err = os.Rename(vnfs.Chroot + "-link", vnfs.Chroot)
+	if err != nil {
+		wwlog.Printf(wwlog.ERROR, "Could not rename link: %s\n", err)
+		os.Exit(1)
+	}
+
+	wwlog.Printf(wwlog.INFO, "%-35s: Done\n", vnfs.Name)
+
+}