Bind DNS names through /etc/hosts

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/vishvananda/netlink/protinfo.go

@@ -0,0 +1,58 @@
+package netlink
+
+import (
+	"strings"
+)
+
+// Protinfo represents bridge flags from netlink.
+type Protinfo struct {
+	Hairpin      bool
+	Guard        bool
+	FastLeave    bool
+	RootBlock    bool
+	Learning     bool
+	Flood        bool
+	ProxyArp     bool
+	ProxyArpWiFi bool
+}
+
+// String returns a list of enabled flags
+func (prot *Protinfo) String() string {
+	var boolStrings []string
+	if prot.Hairpin {
+		boolStrings = append(boolStrings, "Hairpin")
+	}
+	if prot.Guard {
+		boolStrings = append(boolStrings, "Guard")
+	}
+	if prot.FastLeave {
+		boolStrings = append(boolStrings, "FastLeave")
+	}
+	if prot.RootBlock {
+		boolStrings = append(boolStrings, "RootBlock")
+	}
+	if prot.Learning {
+		boolStrings = append(boolStrings, "Learning")
+	}
+	if prot.Flood {
+		boolStrings = append(boolStrings, "Flood")
+	}
+	if prot.ProxyArp {
+		boolStrings = append(boolStrings, "ProxyArp")
+	}
+	if prot.ProxyArpWiFi {
+		boolStrings = append(boolStrings, "ProxyArpWiFi")
+	}
+	return strings.Join(boolStrings, " ")
+}
+
+func boolToByte(x bool) []byte {
+	if x {
+		return []byte{1}
+	}
+	return []byte{0}
+}
+
+func byteToBool(x byte) bool {
+	return uint8(x) != 0
+}