moved node utils to util.go

added tests for FindByHwaddr and FindByIpaddr

internal/pkg/node/util.go

@@ -0,0 +1,47 @@
+package node
+
+import (
+	"errors"
+	"net"
+	"strings"
+)
+
+func (config *nodeYaml) FindByHwaddr(hwa string) (NodeInfo, error) {
+	if _, err := net.ParseMAC(hwa); err != nil {
+		return NodeInfo{}, errors.New("invalid hardware address: " + hwa)
+	}
+
+	var ret NodeInfo
+
+	n, _ := config.FindAllNodes()
+
+	for _, node := range n {
+		for _, dev := range node.NetDevs {
+			if strings.EqualFold(dev.Hwaddr.Get(), hwa) {
+				return node, nil
+			}
+		}
+	}
+
+	return ret, errors.New("No nodes found with HW Addr: " + hwa)
+}
+
+func (config *nodeYaml) FindByIpaddr(ipaddr string) (NodeInfo, error) {
+	if net.ParseIP(ipaddr) == nil {
+		return NodeInfo{}, errors.New("invalid IP:" + ipaddr)
+	}
+
+	var ret NodeInfo
+
+	n, _ := config.FindAllNodes()
+
+	for _, node := range n {
+		for _, dev := range node.NetDevs {
+			if dev.Ipaddr.Get() == ipaddr {
+				return node, nil
+			}
+		}
+	}
+
+	return ret, errors.New("No nodes found with IP Addr: " + ipaddr)
+}