Examples with NAT_TABLE org.onosproject.k8snetworking.api.Constants.NAT_TABLE used on opensource projects

Example 1 with NAT_TABLE

use of org.onosproject.k8snetworking.api.Constants.NAT_TABLE in project onos by opennetworkinglab.

the class K8sServiceHandler method setStatefulGroupFlowRules.

private void setStatefulGroupFlowRules(DeviceId deviceId, long ctState, long ctMask, Service service, boolean install) {
    List<GroupBucket> buckets = Lists.newArrayList();
    String serviceName = service.getMetadata().getName();
    String serviceIp = service.getSpec().getClusterIP();
    // TODO: multi-ports case should be addressed
    Integer servicePort = service.getSpec().getPorts().get(0).getPort();
    String serviceProtocol = service.getSpec().getPorts().get(0).getProtocol();
    String svcStr = servicePortStr(serviceIp, servicePort, serviceProtocol);
    int groupId = svcStr.hashCode();
    List<Endpoints> endpointses = k8sEndpointsService.endpointses().stream().filter(ep -> serviceName.equals(ep.getMetadata().getName())).collect(Collectors.toList());
    Map<String, String> nodeIpGatewayIpMap = nodeIpGatewayIpMap(k8sNodeService, k8sNetworkService);
    for (Endpoints endpoints : endpointses) {
        for (EndpointSubset endpointSubset : endpoints.getSubsets()) {
            List<EndpointPort> ports = endpointSubset.getPorts().stream().filter(p -> p.getProtocol().equals(TCP)).collect(Collectors.toList());
            for (EndpointAddress address : endpointSubset.getAddresses()) {
                String podIp = nodeIpGatewayIpMap.containsKey(address.getIp()) ? nodeIpGatewayIpMap.get(address.getIp()) : address.getIp();
                NiciraConnTrackTreatmentBuilder connTreatmentBuilder = niciraConnTrackTreatmentBuilder(driverService, deviceId).commit(true).natAction(true).natIp(IpAddress.valueOf(podIp)).natFlag(CT_NAT_DST_FLAG);
                ports.forEach(p -> {
                    ExtensionTreatment ctNatTreatment = connTreatmentBuilder.natPortMin(TpPort.tpPort(p.getPort())).natPortMax(TpPort.tpPort(p.getPort())).build();
                    ExtensionTreatment resubmitTreatment = buildResubmitExtension(deviceService.getDevice(deviceId), ACL_TABLE);
                    TrafficTreatment treatment = DefaultTrafficTreatment.builder().extension(ctNatTreatment, deviceId).extension(resubmitTreatment, deviceId).build();
                    buckets.add(buildGroupBucket(treatment, SELECT, (short) -1));
                });
            }
        }
    }
    if (!buckets.isEmpty()) {
        k8sGroupRuleService.setRule(appId, deviceId, groupId, SELECT, buckets, install);
        setTrackNew(deviceId, ctState, ctMask, IpAddress.valueOf(serviceIp), TpPort.tpPort(servicePort), NAT_TABLE, groupId, PRIORITY_CT_RULE, install);
    }
}