macvlan 설정 가능하도록 함

octopus-inside/main.go

@@ -22,16 +22,15 @@ func main(){
 
    renameInterface(link,"eth0")
 
-   switch linkInterfaceType {
-   case "macvlan":
-     macAddr,_ := net.ParseMAC(getEnv("IF_ADDR"))
+   if macAddr,err:= net.ParseMAC(getEnvWithDefault("MAC_ADDR","")) ;err == nil{
        renameMacAddress(link,macAddr)
-   case "ipvlan":
-     ipAddr,_ := netlink.ParseAddr(getEnv("IP_ADDR"))
-     gatewayAddr := net.ParseIP(getEnv("GATEWAY_ADDR"))
+   }
+   if ipAddr,err:= netlink.ParseAddr(getEnvWithDefault("IP_ADDR","")) ; err ==nil{
        netlink.AddrAdd(link,ipAddr)
+   }
    netlink.LinkSetUp(link)
-     addRoute(gatewayAddr,link)
+   if gatewayAddrStr:= getEnvWithDefault("GATEWAY_ADDR","");len(gatewayAddrStr)>0{
+       addRoute(net.ParseIP(gatewayAddrStr),link)
    }
 }
 

octopus-outside/main.go

@@ -23,15 +23,39 @@ import (
 	"github.com/vishvananda/netlink"
 )
 
+type cmdList []string
+
+func (i *cmdList) Set(value string) error {
+    *i = append(*i, value)
+    return nil
+}
+
+func (i *cmdList) String() string {
+  return ""
+}
+
+func (i *cmdList) IsCumulative() bool {
+  return true
+}
+
+func CmdList(s kingpin.Settings) (target *[]string) {
+  target = new([]string)
+  s.SetValue((*cmdList)(target))
+  return
+}
+
 var (
 	app               = kingpin.New("octopus-outside", "nspawn Bootstrapper.").Author("Sangbum Kim<sangbumkim@amuz.es>")
 	verbosePtr        = app.Flag("verbose", "Enable verbose mode.").Short('v').Bool()
 	clearPtr          = app.Flag("clear", "clear os environment.").Short('p').Bool()
+	ifBindTypePtr     = app.Flag("if-bind-type", "choose virtual ethernet bind type(ipvlan,macvlan).").Default("ipvlan").Short('b').Enum("ipvlan","macvlan")
+	macAddrPtr        = app.Flag("mac-address", "Specify MAC address of macvlan mode. if not specify, use random.").Short('a').String()
 	nspawnPathPtr     = app.Flag("nspawn-path", "systemd-nspawn location.").Short('s').String()
 	containerHomePtr  = app.Flag("container-home", "container residence path").Default("/container").Short('d').String()
 	configFileNamePtr = app.Flag("config-file", "config file name").Default("settings.yml").HintOptions("FILENAME").Short('c').String()
 	nodeNamePtr       = app.Arg("nodeName", "nodename to spawn.").Required().String()
 	bindIfNamePtr     = app.Arg("bindInterface", "interface name to bind.").Required().String()
+	cmdListArgsPtr	  = CmdList(app.Arg("cmd","execute command rather than boot process"))
 )
 
 type mountPoint struct {
@@ -40,6 +64,7 @@ type mountPoint struct {
 	Readonly bool   `yaml:"readonly"`
 }
 
+
 func (mp mountPoint) Option(nodePath string) (option string, err error) {
 	var mountPointPath string
 	if filepath.IsAbs(mp.Name){
@@ -289,10 +314,13 @@ func main() {
 	_, err := app.Parse(os.Args[1:])
 	var (
 		verbose        = *verbosePtr
+		ifBindType     = *ifBindTypePtr
+		macAddr    = strings.TrimSpace(*macAddrPtr)
 		clear          = *clearPtr
 		nodeName       = *nodeNamePtr
 		bindIfName     = *bindIfNamePtr
 		configFileName = *configFileNamePtr
+		cmdListArgs    = *cmdListArgsPtr
 		nspawnPath     string
 		progress       = -1
 	)
@@ -371,13 +399,25 @@ func main() {
 		fmt.Printf("  - bind interface{%s} : valid\n", bindIfName)
 		fmt.Printf("  - default routing info : ip %s/%d link %s\n", gw.String(), cidr, linkname)
 		fmt.Printf("  - node{%s} IP address : %s\n", nodeName, nodeAddr.String())
+		fmt.Printf("  - bind interface type : %s\n",ifBindType)
 	}
 	option := []string{
 		"--quiet",
-		"--boot",
 		"--link-journal=try-host",
 		"--notify-ready=true"}
+	switch ifBindType {
+		case "macvlan":
+			option = append(option, fmt.Sprintf("--network-macvlan=%s", bindIfName))
+			if len(macAddr)>0{
+				option = append(option, fmt.Sprintf("--setenv=MAC_ADDR=%s", macAddr))
+			}
+		case "ipvlan":
 			option = append(option, fmt.Sprintf("--network-ipvlan=%s", bindIfName))
+		default:
+			panic(errors.New("unknown bind type"))
+	}
+
+	option = append(option, fmt.Sprintf("--setenv=IF_TYPE=%s", ifBindType))
 	option = append(option, fmt.Sprintf("--setenv=IP_ADDR=%s/%d", nodeAddr.String(), cidr))
 	option = append(option, fmt.Sprintf("--setenv=GATEWAY_ADDR=%s", gw.String()))
 	option = append(option, fmt.Sprintf("--machine=%s", nodeName))
@@ -390,6 +430,19 @@ func main() {
 			option = append(option, mountOption)
 		}
 	}
+	if len(cmdListArgs) == 0 {
+		if verbose {
+			fmt.Println("startup type: using systemd")
+		}
+		option = append(option, "--boot")
+	}else {
+		if verbose {
+			fmt.Println("startup type: using command")
+		}
+		for _, cmdArg := range cmdListArgs {
+			option = append(option, fmt.Sprintf(" %s",cmdArg))
+		}
+	}
 	var env []string
 	if clear {
 		env = []string{}

services/octopus-outside@.service

@@ -15,7 +15,7 @@ After=dnsmasq.service
 After=pdnsd.service
 
 [Service]
-ExecStart=/container/octopus-outside %I igb0 -v
+ExecStart=/container/octopus-outside %I igb0 -v -b macvlan
 KillMode=mixed
 Type=notify
 RestartForceExitStatus=133