[RFC0038] container ipv6 address and icmpv6 support

container.go

@@ -224,6 +224,7 @@ type ContainerInfo struct {
 	Events        []string      // List of events that occurred for the container. It currently includes only "oom" (Out Of Memory) event if it occurred.
 	HostIP        string        // The IP address of the gateway which controls the host side of the container's virtual ethernet pair.
 	ContainerIP   string        // The IP address of the container side of the container's virtual ethernet pair.
+	ContainerIPv6 string        // The IPv6 address of the container side of the container's virtual ethernet pair.
 	ExternalIP    string        //
 	ContainerPath string        // The path to the directory holding the container's files (both its control scripts and filesystem).
 	ProcessIDs    []string      // List of running processes.

net_out_rule.go

@@ -26,6 +26,7 @@ const (
 	ProtocolTCP
 	ProtocolUDP
 	ProtocolICMP
+	ProtocolICMPv6
 )
 
 type IPRange struct {

server/request_handling_test.go

@@ -1383,6 +1383,16 @@ var _ = Describe("When a client connects", func() {
 					})
 				})
 
+				Context("as ICMPv6", func() {
+					It("permits ICMPv6 traffic", func() {
+						Expect(container.NetOut(garden.NetOutRule{
+							Protocol: garden.ProtocolICMPv6,
+						})).To(Succeed())
+						rule := fakeContainer.NetOutArgsForCall(0)
+						Expect(rule.Protocol).To(Equal(garden.ProtocolICMPv6))
+					})
+				})
+
 				Context("as ALL", func() {
 					It("permits ALL traffic", func() {
 						Expect(container.NetOut(garden.NetOutRule{