Not sure why my .gitignore is causing some files to be skipped... Have to look into that.

internal/app/wwctl/container/build/main.go

@@ -0,0 +1,86 @@
+package build
+
+import (
+	"github.com/hpcng/warewulf/internal/pkg/container"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	var containers []string
+
+	if BuildAll == true {
+		containers, _ = container.ListSources()
+	} else {
+		containers = args
+	}
+
+	for _, c := range containers {
+		if container.ValidSource(c) == false {
+			wwlog.Printf(wwlog.ERROR, "VNFS name does not exist: %s\n", c)
+			os.Exit(1)
+		}
+
+		container.Build(c, BuildForce)
+	}
+
+	/*
+		var nodes []node.NodeInfo
+		set := make(map[string]int)
+
+		n, err := node.New()
+		if err != nil {
+			wwlog.Printf(wwlog.ERROR, "Could not open node configuration: %s\n", err)
+			os.Exit(1)
+		}
+
+		if len(args) == 1 && ByNode == true {
+			var err error
+			nodes, err = n.SearchByName(args[0])
+			if err != nil {
+				wwlog.Printf(wwlog.ERROR, "Could not find nodes for search term: %s\n", args[0])
+				os.Exit(1)
+			}
+
+			for _, node := range nodes {
+				if node.Vnfs.Defined() == true {
+					set[node.Vnfs.Get()]++
+				}
+			}
+
+		} else if BuildAll == true {
+			var err error
+			nodes, err = n.FindAllNodes()
+			if err != nil {
+				wwlog.Printf(wwlog.ERROR, "Could not get list of nodes: %s\n", err)
+				os.Exit(1)
+			}
+
+			for _, node := range nodes {
+				if node.Vnfs.Defined() == true {
+					wwlog.Printf(wwlog.VERBOSE, "Adding VNFS to list: %s (%s)\n", node.Vnfs.Get(), node.Id.Get())
+					set[node.Vnfs.Get()]++
+				}
+			}
+
+		} else if len(args) == 1 {
+			set[args[0]]++
+		} else {
+			cmd.Usage()
+			os.Exit(1)
+		}
+
+		for v := range set {
+			fmt.Printf("Building VNFS: %s\n", v)
+			err := container.Build(v, BuildForce)
+			if err != nil {
+				wwlog.Printf(wwlog.ERROR, "%s\n", err)
+				os.Exit(1)
+			}
+		}
+
+	*/
+
+	return nil
+}

internal/app/wwctl/container/build/root.go

@@ -0,0 +1,25 @@
+package build
+
+import "github.com/spf13/cobra"
+
+var (
+	baseCmd = &cobra.Command{
+		Use:   "build (container location | node search pattern)",
+		Short: "VNFS Image Build",
+		Long:  "VNFS kernel images",
+		RunE:  CobraRunE,
+		Args:  cobra.RangeArgs(0, 1),
+	}
+	BuildForce bool
+	BuildAll   bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVarP(&BuildAll, "all", "a", false, "(re)Build all VNFS images for all nodes")
+	baseCmd.PersistentFlags().BoolVarP(&BuildForce, "force", "f", false, "Force rebuild, even if it isn't necessary")
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}