paramters in node

internal/app/wwctl/node/list/main.go

@@ -58,6 +58,10 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 				fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":TYPE", netdev.Type.Source(), netdev.Type.Print())
 				fmt.Printf("%-20s %-18s %-12s %t\n", node.Id.Get(), name+":DEFAULT", netdev.Default.Source(), netdev.Default.PrintB())
 			}
+
+			for name, param := range node.Params {
+				fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":VALUE", param.Value.Source(), param.Value.Print())
+			}
 		}
 
 	} else if ShowNet {

internal/app/wwctl/node/set/main.go

@@ -325,6 +325,20 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 			n.NetDevs[SetNetDev].Default.SetB(true)
 		}
 
+		if SetValue != "" {
+			if SetParam == "" {
+				wwlog.Printf(wwlog.ERROR, "You must include the '--param' option\n")
+				os.Exit(1)
+			}
+
+			if _, ok := n.Params[SetParam]; !ok {
+				var nd node.ParamEntry
+				n.Params[SetParam] = &nd
+			}
+			wwlog.Printf(wwlog.VERBOSE, "Node: %s:%s, Setting Value %s\n", n.Id.Get(), SetParam, SetValue)
+			n.Params[SetParam].Value.Set(SetValue)
+		}
+
 		err := nodeDB.NodeUpdate(n)
 		if err != nil {
 			wwlog.Printf(wwlog.ERROR, "%s\n", err)

internal/app/wwctl/node/set/root.go

@@ -41,6 +41,8 @@ var (
 	SetDiscoverable   bool
 	SetUndiscoverable bool
 	SetRoot           string
+	SetParam          string
+	SetValue          string
 )
 
 func init() {
@@ -74,6 +76,9 @@ func init() {
 	baseCmd.PersistentFlags().BoolVar(&SetNetDevDel, "netdel", false, "Delete the node's network device")
 	baseCmd.PersistentFlags().BoolVar(&SetNetDevDefault, "netdefault", false, "Set this network to be default")
 
+	baseCmd.PersistentFlags().StringVarP(&SetParam, "param", "p", "", "Define custom parameter")
+	baseCmd.PersistentFlags().StringVarP(&SetValue, "value", "", "", "Set custom parameter value")
+
 	baseCmd.PersistentFlags().BoolVarP(&SetNodeAll, "all", "a", false, "Set all nodes")
 
 	baseCmd.PersistentFlags().BoolVarP(&SetYes, "yes", "y", false, "Set 'yes' to all questions asked")

internal/pkg/node/constructors.go

@@ -43,6 +43,7 @@ func (config *nodeYaml) FindAllNodes() ([]NodeInfo, error) {
 
 		wwlog.Printf(wwlog.DEBUG, "In node loop: %s\n", nodename)
 		n.NetDevs = make(map[string]*NetDevEntry)
+		n.Params = make(map[string]*ParamEntry)
 		n.SystemOverlay.SetDefault("default")
 		n.RuntimeOverlay.SetDefault("default")
 		n.Ipxe.SetDefault("default")
@@ -94,6 +95,14 @@ func (config *nodeYaml) FindAllNodes() ([]NodeInfo, error) {
 			n.NetDevs[devname].Default.SetB(netdev.Default)
 		}
 
+		for paramname, param := range node.Params {
+			if _, ok := n.Params[paramname]; !ok {
+				var param ParamEntry
+				n.Params[paramname] = &param
+			}
+			n.Params[paramname].Value.Set(param.Value)
+		}
+
 		for _, p := range n.Profiles {
 			if _, ok := config.NodeProfiles[p]; !ok {
 				wwlog.Printf(wwlog.WARN, "Profile not found for node '%s': %s\n", nodename, p)

internal/pkg/node/datastructure.go

@@ -36,6 +36,7 @@ type NodeConf struct {
 	Discoverable   bool                `yaml:"discoverable,omitempty"`
 	Profiles       []string            `yaml:"profiles,omitempty"`
 	NetDevs        map[string]*NetDevs `yaml:"network devices,omitempty"`
+	Params         map[string]*Params   `yaml:"parameters,omitempty"`
 }
 
 type NetDevs struct {
@@ -47,6 +48,10 @@ type NetDevs struct {
 	Gateway string `yaml:"gateway,omitempty"`
 }
 
+type Params struct {
+	Value   string `yaml:"value,omitempty"`
+}
+
 /******
  * Internal code data representations
  ******/
@@ -82,6 +87,7 @@ type NodeInfo struct {
 	Profiles       []string
 	GroupProfiles  []string
 	NetDevs        map[string]*NetDevEntry
+	Params         map[string]*ParamEntry
 }
 
 type NetDevEntry struct {
@@ -93,6 +99,10 @@ type NetDevEntry struct {
 	Gateway Entry `yaml:"gateway,omitempty"`
 }
 
+type ParamEntry struct {
+	Value   Entry `yaml:"value,omitempty"`
+}
+
 func init() {
 	//TODO: Check to make sure nodes.conf is found
 	if !util.IsFile(ConfigFile) {

internal/pkg/node/modifiers.go

@@ -27,6 +27,7 @@ func (config *nodeYaml) AddNode(nodeID string) (NodeInfo, error) {
 	config.Nodes[nodeID] = &node
 	config.Nodes[nodeID].Profiles = []string{"default"}
 	config.Nodes[nodeID].NetDevs = make(map[string]*NetDevs)
+	// config.Nodes[nodeID].Params = make(map[string]*Params)
 
 	n.Id.Set(nodeID)
 	n.Profiles = []string{"default"}
@@ -75,6 +76,8 @@ func (config *nodeYaml) NodeUpdate(node NodeInfo) error {
 	config.Nodes[nodeID].Profiles = node.Profiles
 	config.Nodes[nodeID].NetDevs = make(map[string]*NetDevs)
 
+	config.Nodes[nodeID].Params = make(map[string]*Params)
+
 	for devname, netdev := range node.NetDevs {
 		var newdev NetDevs
 		config.Nodes[nodeID].NetDevs[devname] = &newdev
@@ -87,6 +90,12 @@ func (config *nodeYaml) NodeUpdate(node NodeInfo) error {
 		config.Nodes[nodeID].NetDevs[devname].Default = netdev.Default.GetRealB()
 	}
 
+	for paramname, param := range node.Params {
+		var newparam Params
+		config.Nodes[nodeID].Params[paramname] = &newparam
+		config.Nodes[nodeID].Params[paramname].Value = param.Value.GetReal()
+	}
+
 	return nil
 }