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Hyunsun Moon
Committed by Gerrit Code Review
c14be427 1 parent 0c2a28f4

CORD-564 Remove flow rules completely when a VM or dependency removed 

Change-Id: I5d1956992c9353c9a9080bf6f59a8ff73cce32c0
Inline Side-by-side
Showing 3 changed files with 116 additions and 299 deletions
......@@ -176,7 +176,7 @@ public final class CordService {
* @param netName network name
* @return network type, or PRIVATE if it doesn't match any type
*/
public static ServiceType getServiceType(String netName) {
private ServiceType getServiceType(String netName) {
checkNotNull(netName);
String name = netName.toUpperCase();
......
......@@ -30,7 +30,6 @@ import org.onlab.packet.IpAddress;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import org.onosproject.cordvtn.api.CordService;
import org.onosproject.cordvtn.api.CordService.ServiceType;
import org.onosproject.cordvtn.api.CordServiceId;
import org.onosproject.cordvtn.api.CordVtnConfig;
import org.onosproject.cordvtn.api.CordVtnNode;
......@@ -88,7 +87,6 @@ import java.util.stream.StreamSupport;
import static com.google.common.base.Preconditions.checkNotNull;
import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
import static org.onlab.util.Tools.groupedThreads;
import static org.onosproject.cordvtn.api.CordService.getServiceType;
import static org.slf4j.LoggerFactory.getLogger;
/**
......@@ -234,7 +232,7 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
}
log.info("Service dependency from {} to {} created.", tService.id().id(), pService.id().id());
ruleInstaller.populateServiceDependencyRules(tService, pService, isBidirectional);
ruleInstaller.populateServiceDependencyRules(tService, pService, isBidirectional, true);
}
@Override
......@@ -248,7 +246,7 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
}
log.info("Service dependency from {} to {} removed.", tService.id().id(), pService.id().id());
ruleInstaller.removeServiceDependencyRules(tService, pService);
ruleInstaller.populateServiceDependencyRules(tService, pService, true, false);
}
@Override
......@@ -434,10 +432,9 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
CordServiceId serviceId = CordServiceId.of(osNet.getId());
// here it assumes all cord service networks has only one subnet
Subnet osSubnet = osNet.getNeutronSubnets().stream()
.findFirst()
.orElse(null);
.findFirst().orElse(null);
if (osSubnet == null) {
log.warn("Couldn't find OpenStack subnet for service {}", serviceId.id());
log.warn("Couldn't find OpenStack subnet for network {}", serviceId.id());
return null;
}
......@@ -445,12 +442,11 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
.stream()
.collect(Collectors.toMap(host -> host, this::getTunnelIp));
ServiceType serviceType = getServiceType(osNet.getName());
// allows working without XOS for now
Set<CordServiceId> tServices = Sets.newHashSet();
Set<CordServiceId> pServices = Sets.newHashSet();
if (xosClient.access() != null && serviceType != ServiceType.MANAGEMENT) {
if (xosClient.access() != null) {
tServices = xosClient.vtnServiceApi().getTenantServices(serviceId.id())
.stream()
.map(CordServiceId::of)
......@@ -561,27 +557,17 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
virtualSubscriberGatewayAdded(host, serviceVlan);
}
String osNetId = host.annotations().value(SERVICE_ID);
if (osNetId == null) {
// ignore this host, it is not the service VM, or it's a vSG
String serviceId = host.annotations().value(SERVICE_ID);
if (serviceId == null) {
// ignore this host, it is not a service VM
return;
}
OSClient osClient = OSFactory.clientFromAccess(osAccess);
Network osNet = osClient.networking().network().get(osNetId);
if (osNet == null) {
log.warn("Failed to get OpenStack network {} for VM {}.",
osNetId, host.id());
return;
}
log.info("VM is detected, MAC: {} IP: {}", host.mac(), host.ipAddresses());
log.info("VM is detected, MAC: {} IP: {}",
host.mac(),
host.ipAddresses().stream().findFirst().get());
CordService service = getCordService(osNet);
CordService service = getCordService(CordServiceId.of(serviceId));
if (service == null) {
log.warn("Failed to get CordService for {}", osNet.getName());
log.warn("Failed to get CordService for {}", serviceId);
return;
}
......@@ -599,7 +585,7 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
service.providerServices().stream().forEach(
pServiceId -> createServiceDependency(service.id(), pServiceId, true));
ruleInstaller.updateServiceGroup(service);
ruleInstaller.updateProviderServiceGroup(service);
// sends gratuitous ARP here for the case of adding existing VMs
// when ONOS or cordvtn app is restarted
arpProxy.sendGratuitousArpForGateway(service.serviceIp(), Sets.newHashSet(host));
......@@ -607,7 +593,7 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
}
registerDhcpLease(host, service);
ruleInstaller.populateBasicConnectionRules(host, getTunnelIp(host), osNet);
ruleInstaller.populateBasicConnectionRules(host, service, true);
}
/**
......@@ -618,52 +604,45 @@ public class CordVtn extends AbstractProvider implements CordVtnService, HostPro
private void serviceVmRemoved(Host host) {
checkNotNull(osAccess, "OpenStack access is not set");
String serviceVlan = host.annotations().value(S_TAG);
if (serviceVlan != null) {
if (host.annotations().value(S_TAG) != null) {
virtualSubscriberGatewayRemoved(host);
}
String osNetId = host.annotations().value(SERVICE_ID);
if (osNetId == null) {
// ignore it, it's not the service VM or it's a vSG
return;
}
OSClient osClient = OSFactory.clientFromAccess(osAccess);
Network osNet = osClient.networking().network().get(osNetId);
if (osNet == null) {
log.warn("Failed to get OpenStack network {} for VM {}",
osNetId, host.id());
String serviceId = host.annotations().value(SERVICE_ID);
if (serviceId == null) {
// ignore it, it's not a service VM
return;
}
log.info("VM is vanished, MAC: {} IP: {}",
host.mac(),
host.ipAddresses().stream().findFirst().get());
log.info("VM is vanished, MAC: {} IP: {}", host.mac(), host.ipAddresses());
ruleInstaller.removeBasicConnectionRules(host);
dhcpService.removeStaticMapping(host.mac());
CordService service = getCordService(osNet);
CordService service = getCordService(CordServiceId.of(serviceId));
if (service == null) {
log.warn("Failed to get CORD service for {}", serviceId);
return;
}
// TODO need to consider the case that the network is removed also
switch (service.serviceType()) {
case MANAGEMENT:
ruleInstaller.removeManagementNetworkRules(host, service);
break;
case PRIVATE:
if (getHostsWithOpenstackNetwork(osNet).isEmpty()) {
if (service.hosts().isEmpty()) {
arpProxy.removeGateway(service.serviceIp());
}
case PUBLIC:
default:
if (!service.tenantServices().isEmpty()) {
ruleInstaller.updateServiceGroup(service);
ruleInstaller.updateProviderServiceGroup(service);
}
if (!service.providerServices().isEmpty()) {
ruleInstaller.updateTenantServiceVm(host, service);
}
break;
}
dhcpService.removeStaticMapping(host.mac());
ruleInstaller.populateBasicConnectionRules(host, service, false);
}
......
......@@ -53,15 +53,12 @@ import org.onosproject.net.flow.FlowRuleService;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flow.criteria.Criterion;
import org.onosproject.net.flow.criteria.EthCriterion;
import org.onosproject.net.flow.criteria.IPCriterion;
import org.onosproject.net.flow.criteria.PortCriterion;
import org.onosproject.net.flow.instructions.ExtensionPropertyException;
import org.onosproject.net.flow.instructions.ExtensionTreatment;
import org.onosproject.net.flow.instructions.Instruction;
import org.onosproject.net.flow.instructions.Instructions;
import org.onosproject.net.flow.instructions.L2ModificationInstruction;
import org.onosproject.net.flow.instructions.L2ModificationInstruction.ModEtherInstruction;
import org.onosproject.net.group.DefaultGroupBucket;
import org.onosproject.net.group.DefaultGroupDescription;
import org.onosproject.net.group.DefaultGroupKey;
......@@ -71,8 +68,6 @@ import org.onosproject.net.group.GroupBuckets;
import org.onosproject.net.group.GroupDescription;
import org.onosproject.net.group.GroupKey;
import org.onosproject.net.group.GroupService;
import org.openstack4j.model.network.Network;
import org.openstack4j.model.network.Subnet;
import org.slf4j.Logger;
import java.util.ArrayList;
......@@ -83,11 +78,8 @@ import java.util.Set;
import java.util.stream.Collectors;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.onosproject.net.flow.criteria.Criterion.Type.IN_PORT;
import static org.onosproject.net.flow.criteria.Criterion.Type.IPV4_DST;
import static org.onosproject.net.flow.criteria.Criterion.Type.IPV4_SRC;
import static org.onosproject.net.flow.instructions.ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST;
import static org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.ETH_DST;
import static org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.VLAN_PUSH;
import static org.slf4j.LoggerFactory.getLogger;
......@@ -118,6 +110,7 @@ public class CordVtnRuleInstaller {
private static final String PORT_NAME = "portName";
private static final String DATA_PLANE_INTF = "dataPlaneIntf";
private static final String DATA_PLANE_IP = "dataPlaneIp";
private static final String S_TAG = "stag";
private final ApplicationId appId;
......@@ -181,93 +174,45 @@ public class CordVtnRuleInstaller {
* Populates basic rules that connect a VM to the other VMs in the system.
*
* @param host host
* @param tunnelIp tunnel ip
* @param osNet openstack network
* @param service cord service
* @param install true to install or false to remove
*/
public void populateBasicConnectionRules(Host host, IpAddress tunnelIp, Network osNet) {
public void populateBasicConnectionRules(Host host, CordService service, boolean install) {
checkNotNull(host);
checkNotNull(osNet);
checkNotNull(service);
DeviceId deviceId = host.location().deviceId();
PortNumber inPort = host.location().port();
MacAddress dstMac = host.mac();
IpAddress hostIp = host.ipAddresses().stream().findFirst().get();
long tunnelId = Long.parseLong(osNet.getProviderSegID());
Subnet osSubnet = osNet.getNeutronSubnets().stream()
.findFirst()
.orElse(null);
if (osSubnet == null) {
log.error("Failed to get subnet for {}", host.id());
return;
}
Ip4Prefix cidr = Ip4Prefix.valueOf(osSubnet.getCidr());
populateLocalInPortRule(deviceId, inPort, hostIp);
populateDirectAccessRule(cidr, cidr);
populateServiceIsolationRule(cidr);
populateDstIpRule(deviceId, inPort, dstMac, hostIp, tunnelId, tunnelIp);
populateTunnelInRule(deviceId, inPort, dstMac, tunnelId);
}
/**
* Removes all rules related to a given service VM host.
*
* @param host host to be removed
*/
public void removeBasicConnectionRules(Host host) {
checkNotNull(host);
DeviceId deviceId = host.location().deviceId();
MacAddress mac = host.mac();
PortNumber port = host.location().port();
IpAddress ip = host.ipAddresses().stream().findFirst().orElse(null);
for (FlowRule flowRule : flowRuleService.getFlowRulesById(appId)) {
if (flowRule.deviceId().equals(deviceId)) {
PortNumber inPort = getInPort(flowRule);
if (inPort != null && inPort.equals(port)) {
processFlowRule(false, flowRule);
continue;
}
PortNumber output = getOutputFromTreatment(flowRule);
if (output != null && output.equals(host.location().port())) {
processFlowRule(false, flowRule);
}
}
long tunnelId = service.segmentationId();
Ip4Prefix serviceIpRange = service.serviceIpRange().getIp4Prefix();
MacAddress dstMac = getDstMacFromTreatment(flowRule);
if (dstMac != null && dstMac.equals(mac)) {
processFlowRule(false, flowRule);
continue;
}
populateLocalInPortRule(deviceId, inPort, hostIp, install);
populateDstIpRule(deviceId, inPort, dstMac, hostIp, tunnelId, getTunnelIp(host), install);
populateTunnelInRule(deviceId, inPort, dstMac, tunnelId, install);
dstMac = getDstMacFromSelector(flowRule);
if (dstMac != null && dstMac.equals(mac)) {
processFlowRule(false, flowRule);
continue;
}
IpPrefix dstIp = getDstIpFromSelector(flowRule);
if (dstIp != null && dstIp.equals(ip.toIpPrefix())) {
processFlowRule(false, flowRule);
}
if (install) {
populateDirectAccessRule(serviceIpRange, serviceIpRange, true);
populateServiceIsolationRule(serviceIpRange, true);
} else if (service.hosts().isEmpty()) {
// removes network related rules only if there's no hosts left in this network
populateDirectAccessRule(serviceIpRange, serviceIpRange, false);
populateServiceIsolationRule(serviceIpRange, false);
}
// TODO uninstall same network access rule in access table if no vm exists in the network
}
/**
* Populates service dependency rules.
* Creates provider service group and populates service dependency rules.
*
* @param tService tenant cord service
* @param pService provider cord service
* @param isBidirectional true to enable bidirectional connection between two services
* @param install true to install or false to remove
*/
public void populateServiceDependencyRules(CordService tService, CordService pService,
boolean isBidirectional) {
boolean isBidirectional, boolean install) {
checkNotNull(tService);
checkNotNull(pService);
......@@ -290,66 +235,12 @@ public class CordVtnRuleInstaller {
inPorts.put(deviceId, tServiceVms);
});
populateIndirectAccessRule(srcRange, serviceIp, outGroups);
populateDirectAccessRule(srcRange, dstRange);
populateIndirectAccessRule(srcRange, serviceIp, outGroups, install);
populateDirectAccessRule(srcRange, dstRange, install);
if (isBidirectional) {
populateDirectAccessRule(dstRange, srcRange);
populateDirectAccessRule(dstRange, srcRange, install);
}
populateInServiceRule(inPorts, outGroups);
}
/**
* Removes service dependency rules.
*
* @param tService tenant cord service
* @param pService provider cord service
*/
public void removeServiceDependencyRules(CordService tService, CordService pService) {
checkNotNull(tService);
checkNotNull(pService);
Ip4Prefix srcRange = tService.serviceIpRange().getIp4Prefix();
Ip4Prefix dstRange = pService.serviceIpRange().getIp4Prefix();
IpPrefix serviceIp = pService.serviceIp().toIpPrefix();
Map<DeviceId, GroupId> outGroups = Maps.newHashMap();
GroupKey groupKey = new DefaultGroupKey(pService.id().id().getBytes());
getVirtualSwitches().stream().forEach(deviceId -> {
Group group = groupService.getGroup(deviceId, groupKey);
if (group != null) {
outGroups.put(deviceId, group.id());
}
});
for (FlowRule flowRule : flowRuleService.getFlowRulesById(appId)) {
IpPrefix dstIp = getDstIpFromSelector(flowRule);
IpPrefix srcIp = getSrcIpFromSelector(flowRule);
if (dstIp != null && dstIp.equals(serviceIp)) {
processFlowRule(false, flowRule);
continue;
}
if (dstIp != null && srcIp != null) {
if (dstIp.equals(dstRange) && srcIp.equals(srcRange)) {
processFlowRule(false, flowRule);
continue;
}
if (dstIp.equals(srcRange) && srcIp.equals(dstRange)) {
processFlowRule(false, flowRule);
continue;
}
}
GroupId groupId = getGroupIdFromTreatment(flowRule);
if (groupId != null && groupId.equals(outGroups.get(flowRule.deviceId()))) {
processFlowRule(false, flowRule);
}
}
// TODO remove the group if it is not in use
populateInServiceRule(inPorts, outGroups, install);
}
/**
......@@ -357,7 +248,7 @@ public class CordVtnRuleInstaller {
*
* @param service cord service
*/
public void updateServiceGroup(CordService service) {
public void updateProviderServiceGroup(CordService service) {
checkNotNull(service);
GroupKey groupKey = getGroupKey(service.id());
......@@ -400,6 +291,30 @@ public class CordVtnRuleInstaller {
}
/**
* Updates tenant service indirect access rules when VM is created or removed.
*
* @param host removed vm
* @param service tenant service
*/
public void updateTenantServiceVm(Host host, CordService service) {
checkNotNull(host);
checkNotNull(service);
DeviceId deviceId = host.location().deviceId();
PortNumber inPort = host.location().port();
service.providerServices().stream().forEach(pServiceId -> {
Map<DeviceId, Set<PortNumber>> inPorts = Maps.newHashMap();
Map<DeviceId, GroupId> outGroups = Maps.newHashMap();
inPorts.put(deviceId, Sets.newHashSet(inPort));
outGroups.put(deviceId, getGroupId(pServiceId, deviceId));
populateInServiceRule(inPorts, outGroups, false);
});
}
/**
* Populates flow rules for management network access.
*
* @param host host which has management network interface
......@@ -499,17 +414,6 @@ public class CordVtnRuleInstaller {
}
/**
* Removes management network access rules.
*
* @param host host to be removed
* @param mService service for management network
*/
public void removeManagementNetworkRules(Host host, CordService mService) {
checkNotNull(mService);
// TODO remove management network specific rules
}
/**
* Populates rules for vSG VM.
*
* @param vSgHost vSG host
......@@ -897,8 +801,10 @@ public class CordVtnRuleInstaller {
* @param deviceId device id to install the rules
* @param inPort in port
* @param srcIp source ip
* @param install true to install or false to remove
*/
private void populateLocalInPortRule(DeviceId deviceId, PortNumber inPort, IpAddress srcIp) {
private void populateLocalInPortRule(DeviceId deviceId, PortNumber inPort, IpAddress srcIp,
boolean install) {
TrafficSelector selector = DefaultTrafficSelector.builder()
.matchInPort(inPort)
.matchEthType(Ethernet.TYPE_IPV4)
......@@ -920,7 +826,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRule);
processFlowRule(install, flowRule);
selector = DefaultTrafficSelector.builder()
.matchInPort(inPort)
......@@ -940,7 +846,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRule);
processFlowRule(install, flowRule);
}
/**
......@@ -949,8 +855,9 @@ public class CordVtnRuleInstaller {
*
* @param srcRange source ip range
* @param dstRange destination ip range
* @param install true to install or false to remove
*/
private void populateDirectAccessRule(Ip4Prefix srcRange, Ip4Prefix dstRange) {
private void populateDirectAccessRule(Ip4Prefix srcRange, Ip4Prefix dstRange, boolean install) {
TrafficSelector selector = DefaultTrafficSelector.builder()
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPSrc(srcRange)
......@@ -973,7 +880,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRuleDirect);
processFlowRule(install, flowRuleDirect);
});
}
......@@ -982,8 +889,9 @@ public class CordVtnRuleInstaller {
* destination to a different service network in ACCESS_TYPE table.
*
* @param dstRange destination ip range
* @param install true to install or false to remove
*/
private void populateServiceIsolationRule(Ip4Prefix dstRange) {
private void populateServiceIsolationRule(Ip4Prefix dstRange, boolean install) {
TrafficSelector selector = DefaultTrafficSelector.builder()
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPDst(dstRange)
......@@ -1004,7 +912,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRuleDirect);
processFlowRule(install, flowRuleDirect);
});
}
......@@ -1015,9 +923,10 @@ public class CordVtnRuleInstaller {
* @param srcRange source range
* @param serviceIp service ip
* @param outGroups list of output group
* @param install true to install or false to remove
*/
private void populateIndirectAccessRule(Ip4Prefix srcRange, Ip4Address serviceIp,
Map<DeviceId, GroupId> outGroups) {
Map<DeviceId, GroupId> outGroups, boolean install) {
TrafficSelector selector = DefaultTrafficSelector.builder()
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPSrc(srcRange)
......@@ -1039,7 +948,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRule);
processFlowRule(install, flowRule);
}
}
......@@ -1048,8 +957,10 @@ public class CordVtnRuleInstaller {
*
* @param inPorts list of inports related to the service for each device
* @param outGroups set of output groups
* @param install true to install or false to remove
*/
private void populateInServiceRule(Map<DeviceId, Set<PortNumber>> inPorts, Map<DeviceId, GroupId> outGroups) {
private void populateInServiceRule(Map<DeviceId, Set<PortNumber>> inPorts,
Map<DeviceId, GroupId> outGroups, boolean install) {
checkNotNull(inPorts);
checkNotNull(outGroups);
......@@ -1081,7 +992,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRule);
processFlowRule(install, flowRule);
});
}
}
......@@ -1095,9 +1006,11 @@ public class CordVtnRuleInstaller {
* @param dstIp destination ip
* @param tunnelId tunnel id
* @param tunnelIp tunnel remote ip
* @param install true to install or false to remove
*/
private void populateDstIpRule(DeviceId deviceId, PortNumber inPort, MacAddress dstMac,
IpAddress dstIp, long tunnelId, IpAddress tunnelIp) {
IpAddress dstIp, long tunnelId, IpAddress tunnelIp,
boolean install) {
TrafficSelector selector = DefaultTrafficSelector.builder()
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPDst(dstIp.toIpPrefix())
......@@ -1118,7 +1031,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRule);
processFlowRule(install, flowRule);
for (DeviceId vSwitchId : getVirtualSwitches()) {
if (vSwitchId.equals(deviceId)) {
......@@ -1147,7 +1060,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRule);
processFlowRule(install, flowRule);
}
}
......@@ -1158,8 +1071,10 @@ public class CordVtnRuleInstaller {
* @param inPort in port
* @param mac mac address
* @param tunnelId tunnel id
* @param install true to install or false to remove
*/
private void populateTunnelInRule(DeviceId deviceId, PortNumber inPort, MacAddress mac, long tunnelId) {
private void populateTunnelInRule(DeviceId deviceId, PortNumber inPort, MacAddress mac,
long tunnelId, boolean install) {
TrafficSelector selector = DefaultTrafficSelector.builder()
.matchTunnelId(tunnelId)
.matchEthDst(mac)
......@@ -1179,7 +1094,7 @@ public class CordVtnRuleInstaller {
.makePermanent()
.build();
processFlowRule(true, flowRule);
processFlowRule(install, flowRule);
}
/**
......@@ -1252,58 +1167,16 @@ public class CordVtnRuleInstaller {
}
/**
* Returns the inport from a given flow rule if the rule contains the match of it.
* Returns IP address for tunneling for a given host.
*
* @param flowRule flow rule
* @return port number, or null if the rule doesn't have inport match
*/
private PortNumber getInPort(FlowRule flowRule) {
Criterion criterion = flowRule.selector().getCriterion(IN_PORT);
if (criterion != null && criterion instanceof PortCriterion) {
PortCriterion port = (PortCriterion) criterion;
return port.port();
} else {
return null;
}
}
/**
* Returns the destination mac address from a given flow rule if the rule
* contains the instruction of it.
*
* @param flowRule flow rule
* @return mac address, or null if the rule doesn't have destination mac instruction
* @param host host
* @return ip address, or null
*/
private MacAddress getDstMacFromTreatment(FlowRule flowRule) {
Instruction instruction = flowRule.treatment().allInstructions().stream()
.filter(inst -> inst instanceof ModEtherInstruction &&
((ModEtherInstruction) inst).subtype().equals(ETH_DST))
.findFirst()
.orElse(null);
if (instruction == null) {
return null;
}
return ((ModEtherInstruction) instruction).mac();
private IpAddress getTunnelIp(Host host) {
String ip = host.annotations().value(DATA_PLANE_IP);
return ip == null ? null : IpAddress.valueOf(ip);
}
/**
* Returns the destination mac address from a given flow rule if the rule
* contains the match of it.
*
* @param flowRule flow rule
* @return mac address, or null if the rule doesn't have destination mac match
*/
private MacAddress getDstMacFromSelector(FlowRule flowRule) {
Criterion criterion = flowRule.selector().getCriterion(Criterion.Type.ETH_DST);
if (criterion != null && criterion instanceof EthCriterion) {
EthCriterion eth = (EthCriterion) criterion;
return eth.mac();
} else {
return null;
}
}
/**
* Returns the destination IP from a given flow rule if the rule contains
......@@ -1323,43 +1196,6 @@ public class CordVtnRuleInstaller {
}
/**
* Returns the source IP from a given flow rule if the rule contains
* the match of it.
*
* @param flowRule flow rule
* @return ip prefix, or null if the rule doesn't have ip match
*/
private IpPrefix getSrcIpFromSelector(FlowRule flowRule) {
Criterion criterion = flowRule.selector().getCriterion(IPV4_SRC);
if (criterion != null && criterion instanceof IPCriterion) {
IPCriterion ip = (IPCriterion) criterion;
return ip.ip();
} else {
return null;
}
}
/**
* Returns the group ID from a given flow rule if the rule contains the
* treatment of it.
*
* @param flowRule flow rule
* @return group id, or null if the rule doesn't have group instruction
*/
private GroupId getGroupIdFromTreatment(FlowRule flowRule) {
Instruction instruction = flowRule.treatment().allInstructions().stream()
.filter(inst -> inst instanceof Instructions.GroupInstruction)
.findFirst()
.orElse(null);
if (instruction == null) {
return null;
}
return ((Instructions.GroupInstruction) instruction).groupId();
}
/**
* Returns the output port number from a given flow rule.
*
* @param flowRule flow rule
......@@ -1413,7 +1249,8 @@ public class CordVtnRuleInstaller {
return groupId;
}
GroupBuckets buckets = getServiceGroupBuckets(deviceId, service.segmentationId(), service.hosts());
GroupBuckets buckets = getServiceGroupBuckets(
deviceId, service.segmentationId(), service.hosts());
GroupDescription groupDescription = new DefaultGroupDescription(
deviceId,
GroupDescription.Type.SELECT,
......@@ -1435,7 +1272,8 @@ public class CordVtnRuleInstaller {
* @param hosts list of host
* @return group buckets
*/
private GroupBuckets getServiceGroupBuckets(DeviceId deviceId, long tunnelId, Map<Host, IpAddress> hosts) {
private GroupBuckets getServiceGroupBuckets(DeviceId deviceId, long tunnelId,
Map<Host, IpAddress> hosts) {
List<GroupBucket> buckets = Lists.newArrayList();
for (Map.Entry<Host, IpAddress> entry : hosts.entrySet()) {
......