pixiecore: implement the boot command, using static booter.

Doesn't quite work yet: cmdline isn't processed very well, and the
ipxe firmwares aren't plumbed through.

pixiecore/cli/bootcmd.go

@@ -14,7 +14,12 @@
 
 package cli
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"go.universe.tf/netboot/pixiecore"
+)
 
 var bootCmd = &cobra.Command{
 	Use:   "boot kernel [initrd...]",
@@ -24,16 +29,36 @@ var bootCmd = &cobra.Command{
 			fatalf("you must specify at least a kernel")
 		}
 		kernel := args[0]
-		initrd := args[1:]
+		initrds := args[1:]
 		cmdline, err := cmd.Flags().GetString("cmdline")
 		if err != nil {
 			fatalf("Error reading flag: %s", err)
 		}
-		todo("run in static mode with kernel=%s, initrd=%v, cmdline=%q", kernel, initrd, cmdline)
+		bootmsg, err := cmd.Flags().GetString("bootmsg")
+		if err != nil {
+			fatalf("Error reading flag: %s", err)
+		}
+
+		spec := &pixiecore.Spec{
+			Kernel:  pixiecore.ID(kernel),
+			Cmdline: map[string]interface{}{cmdline: ""},
+			Message: bootmsg,
+		}
+		for _, initrd := range initrds {
+			spec.Initrd = append(spec.Initrd, pixiecore.ID(initrd))
+		}
+
+		s := &pixiecore.Server{
+			Booter: pixiecore.StaticBooter(spec),
+			Ipxe:   nil, // TODO
+			Log:    func(msg string) { fmt.Println(msg) },
+		}
+		fmt.Println(s.Serve())
 	},
 }
 
 func init() {
 	rootCmd.AddCommand(bootCmd)
-	bootCmd.Flags().StringP("cmdline", "c", "", "Kernel commandline arguments")
+	bootCmd.Flags().String("cmdline", "", "Kernel commandline arguments")
+	bootCmd.Flags().String("bootmsg", "", "Message to print on machines before booting")
 }

pixiecore/cli/cli.go

@@ -27,19 +27,6 @@ import (
 //
 // Takes a map of ipxe bootloader binaries for various architectures.
 func CLI(ipxe map[pixiecore.Firmware][]byte) {
-	s := &pixiecore.Server{
-		Booter: pixiecore.StaticBooter(&pixiecore.Spec{
-			Kernel: pixiecore.ID("http://tinycorelinux.net/7.x/x86/release/distribution_files/vmlinuz64"),
-			Initrd: []pixiecore.ID{
-				"http://tinycorelinux.net/7.x/x86/release/distribution_files/rootfs.gz",
-				"http://tinycorelinux.net/7.x/x86/release/distribution_files/modules64.gz",
-			},
-		}),
-		Ipxe: ipxe,
-		Log:  func(msg string) { fmt.Println(msg) },
-	}
-	fmt.Println(s.Serve())
-
 	if err := rootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(-1)