// Test Group creation before AUDIT process
private void testGroupCreationBeforeAudit(DeviceId deviceId) {
PortNumber[] ports1 = {PortNumber.portNumber(31), PortNumber.portNumber(32)};
PortNumber[] ports2 = {PortNumber.portNumber(41), PortNumber.portNumber(42)};
GroupKey key = new DefaultGroupKey("group1BeforeAudit".getBytes());
List<GroupBucket> buckets = new ArrayList<>();
List<PortNumber> outPorts = new ArrayList<>();
outPorts.addAll(Arrays.asList(ports1));
outPorts.addAll(Arrays.asList(ports2));
for (PortNumber portNumber : outPorts) {
TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
tBuilder
.setOutput(portNumber)
.setEthDst(MacAddress.valueOf("00:00:00:00:00:02"))
.setEthSrc(MacAddress.valueOf("00:00:00:00:00:01"))
.pushMpls()
.setMpls(MplsLabel.mplsLabel(106));
buckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
}
GroupBuckets groupBuckets = new GroupBuckets(buckets);
GroupDescription newGroupDesc =
new DefaultGroupDescription(deviceId, Group.Type.SELECT, groupBuckets, key, null, appId);
groupService.addGroup(newGroupDesc);
assertEquals(null, groupService.getGroup(deviceId, key));
assertEquals(0, Iterables.size(groupService.getGroups(deviceId, appId)));
}
/**
* Remove VLAN tag and packet out to given port.
*
* <p>Note: In current implementation, we expect all communication with end hosts within a subnet
* to be untagged.
*
* <p>For those pipelines that internally assigns a VLAN, the VLAN tag will be removed before
* egress.
*
* <p>For those pipelines that do not assign internal VLAN, the packet remains untagged.
*
* @param packet packet to be forwarded
* @param outPort where the packet should be forwarded
*/
private void removeVlanAndForward(Ethernet packet, ConnectPoint outPort) {
packet.setEtherType(Ethernet.TYPE_ARP);
packet.setVlanID(Ethernet.VLAN_UNTAGGED);
ByteBuffer buf = ByteBuffer.wrap(packet.serialize());
TrafficTreatment.Builder tbuilder = DefaultTrafficTreatment.builder();
tbuilder.setOutput(outPort.port());
srManager.packetService.emit(
new DefaultOutboundPacket(outPort.deviceId(), tbuilder.build(), buf));
}
// Test group add bucket operations
private void testAddBuckets(DeviceId deviceId) {
GroupKey addKey = new DefaultGroupKey("group1AddBuckets".getBytes());
GroupKey prevKey = new DefaultGroupKey("group1BeforeAudit".getBytes());
Group createdGroup = groupService.getGroup(deviceId, prevKey);
List<GroupBucket> buckets = new ArrayList<>();
buckets.addAll(createdGroup.buckets().buckets());
PortNumber[] addPorts = {PortNumber.portNumber(51), PortNumber.portNumber(52)};
List<PortNumber> outPorts;
outPorts = new ArrayList<>();
outPorts.addAll(Arrays.asList(addPorts));
List<GroupBucket> addBuckets;
addBuckets = new ArrayList<>();
for (PortNumber portNumber : outPorts) {
TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
tBuilder
.setOutput(portNumber)
.setEthDst(MacAddress.valueOf("00:00:00:00:00:02"))
.setEthSrc(MacAddress.valueOf("00:00:00:00:00:01"))
.pushMpls()
.setMpls(MplsLabel.mplsLabel(106));
addBuckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
buckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
}
GroupBuckets groupAddBuckets = new GroupBuckets(addBuckets);
groupService.addBucketsToGroup(deviceId, prevKey, groupAddBuckets, addKey, appId);
GroupBuckets updatedBuckets = new GroupBuckets(buckets);
List<GroupOperation> expectedGroupOps =
Collections.singletonList(
GroupOperation.createModifyGroupOperation(
createdGroup.id(), Group.Type.SELECT, updatedBuckets));
if (deviceId.equals(DID)) {
internalProvider.validate(deviceId, expectedGroupOps);
} else {
this.validate(deviceId, expectedGroupOps);
}
Group existingGroup = groupService.getGroup(deviceId, addKey);
List<Group> groupEntries = Collections.singletonList(existingGroup);
providerService.pushGroupMetrics(deviceId, groupEntries);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_UPDATED));
}
private Group createSouthboundGroupEntry(
GroupId gId, List<PortNumber> ports, long referenceCount, DeviceId deviceId) {
List<PortNumber> outPorts = new ArrayList<>();
outPorts.addAll(ports);
List<GroupBucket> buckets = new ArrayList<>();
for (PortNumber portNumber : outPorts) {
TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
tBuilder
.setOutput(portNumber)
.setEthDst(MacAddress.valueOf("00:00:00:00:00:02"))
.setEthSrc(MacAddress.valueOf("00:00:00:00:00:01"))
.pushMpls()
.setMpls(MplsLabel.mplsLabel(106));
buckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
}
GroupBuckets groupBuckets = new GroupBuckets(buckets);
StoredGroupEntry group = new DefaultGroup(gId, deviceId, Group.Type.SELECT, groupBuckets);
group.setReferenceCount(referenceCount);
return group;
}
private void populateGatewayIcmpRule(Ip4Address gatewayIp, DeviceId deviceId) {
TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder();
TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
sBuilder
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPProtocol(IPv4.PROTOCOL_ICMP)
.matchIPDst(gatewayIp.toIpPrefix());
tBuilder.setOutput(PortNumber.CONTROLLER);
ForwardingObjective fo =
DefaultForwardingObjective.builder()
.withSelector(sBuilder.build())
.withTreatment(tBuilder.build())
.withPriority(GATEWAY_ICMP_PRIORITY)
.withFlag(ForwardingObjective.Flag.VERSATILE)
.fromApp(appId)
.add();
flowObjectiveService.forward(deviceId, fo);
}
private void populateGatewayToController(long vni, String subNetCidr) {
TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder();
TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
sBuilder
.matchEthType(Ethernet.TYPE_IPV4)
.matchTunnelId(vni)
.matchIPSrc(IpPrefix.valueOf(subNetCidr))
.matchEthDst(Constants.DEFAULT_GATEWAY_MAC);
tBuilder.setOutput(PortNumber.CONTROLLER);
ForwardingObjective fo =
DefaultForwardingObjective.builder()
.withSelector(sBuilder.build())
.withTreatment(tBuilder.build())
.withFlag(ForwardingObjective.Flag.VERSATILE)
.withPriority(ROUTING_RULE_PRIORITY)
.fromApp(appId)
.add();
gatewayService
.getGatewayDeviceIds()
.forEach(deviceId -> flowObjectiveService.forward(deviceId, fo));
}
private void groupOperationFaliure(DeviceId deviceId) {
PortNumber[] ports1 = {PortNumber.portNumber(31), PortNumber.portNumber(32)};
PortNumber[] ports2 = {PortNumber.portNumber(41), PortNumber.portNumber(42)};
// Test Group creation before AUDIT process
GroupKey key = new DefaultGroupKey("group1BeforeAudit".getBytes());
List<GroupBucket> buckets = new ArrayList<>();
List<PortNumber> outPorts = new ArrayList<>();
outPorts.addAll(Arrays.asList(ports1));
outPorts.addAll(Arrays.asList(ports2));
for (PortNumber portNumber : outPorts) {
TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
tBuilder
.setOutput(portNumber)
.setEthDst(MacAddress.valueOf("00:00:00:00:00:02"))
.setEthSrc(MacAddress.valueOf("00:00:00:00:00:01"))
.pushMpls()
.setMpls(MplsLabel.mplsLabel(106));
buckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
}
GroupBuckets groupBuckets = new GroupBuckets(buckets);
GroupDescription newGroupDesc =
new DefaultGroupDescription(deviceId, Group.Type.SELECT, groupBuckets, key, null, appId);
groupService.addGroup(newGroupDesc);
// Test initial group audit process
GroupId gId1 = new DefaultGroupId(1);
Group group1 = createSouthboundGroupEntry(gId1, Arrays.asList(ports1), 0, deviceId);
GroupId gId2 = new DefaultGroupId(2);
// Non zero reference count will make the group manager to queue
// the extraneous groups until reference count is zero.
Group group2 = createSouthboundGroupEntry(gId2, Arrays.asList(ports2), 2, deviceId);
List<Group> groupEntries = Arrays.asList(group1, group2);
providerService.pushGroupMetrics(deviceId, groupEntries);
Group createdGroup = groupService.getGroup(deviceId, key);
// Group Add failure test
GroupOperation groupAddOp =
GroupOperation.createAddGroupOperation(
createdGroup.id(), createdGroup.type(), createdGroup.buckets());
providerService.groupOperationFailed(deviceId, groupAddOp);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_ADD_FAILED));
// Group Mod failure test
groupService.addGroup(newGroupDesc);
createdGroup = groupService.getGroup(deviceId, key);
assertNotNull(createdGroup);
GroupOperation groupModOp =
GroupOperation.createModifyGroupOperation(
createdGroup.id(), createdGroup.type(), createdGroup.buckets());
providerService.groupOperationFailed(deviceId, groupModOp);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_UPDATE_FAILED));
// Group Delete failure test
groupService.addGroup(newGroupDesc);
createdGroup = groupService.getGroup(deviceId, key);
assertNotNull(createdGroup);
GroupOperation groupDelOp =
GroupOperation.createDeleteGroupOperation(createdGroup.id(), createdGroup.type());
providerService.groupOperationFailed(deviceId, groupDelOp);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_REMOVE_FAILED));
}