Examples with Reachability org.onosproject.openstacktroubleshoot.api.Reachability used on opensource projects

Example 1 with Reachability

use of org.onosproject.openstacktroubleshoot.api.Reachability in project onos by opennetworkinglab.

the class OpenstackTroubleshootManager method handleIcmpEchoReply.

/**
 * Handles ICMP ECHO REPLY packets.
 *
 * @param ipPacket  IP packet
 * @param icmp ICMP packet
 */
private void handleIcmpEchoReply(IPv4 ipPacket, ICMP icmp) {
    String icmpKey = icmpId(icmp);
    String srcIp = IPv4.fromIPv4Address(ipPacket.getDestinationAddress());
    String dstIp = IPv4.fromIPv4Address(ipPacket.getSourceAddress());
    Reachability reachability = DefaultReachability.builder().srcIp(IpAddress.valueOf(srcIp)).dstIp(IpAddress.valueOf(dstIp)).isReachable(false).build();
    icmpReachabilityMap.computeIfPresent(icmpKey, (key, value) -> {
        if (value.equals(reachability)) {
            log.debug("src: {}, dst: {} is reachable!", value.dstIp(), value.srcIp());
            return DefaultReachability.builder().srcIp(IpAddress.valueOf(srcIp)).dstIp(IpAddress.valueOf(dstIp)).isReachable(true).build();
        }
        return reachability;
    });
}

Example 2 with Reachability

use of org.onosproject.openstacktroubleshoot.api.Reachability in project onos by opennetworkinglab.

the class OpenstackTroubleshootManager method probeEastWest.

@Override
public Reachability probeEastWest(InstancePort srcPort, InstancePort dstPort) {
    Reachability.Builder rBuilder = DefaultReachability.builder().srcIp(srcPort.ipAddress()).dstIp(dstPort.ipAddress());
    if (srcPort.equals(dstPort)) {
        // self probing should always return true
        rBuilder.isReachable(true);
        return rBuilder.build();
    } else {
        if (srcPort.state() == ACTIVE && dstPort.state() == ACTIVE) {
            // we immediately return unreachable state
            if (!osNetworkService.networkType(srcPort.networkId()).equals(osNetworkService.networkType(dstPort.networkId()))) {
                rBuilder.isReachable(false);
                return rBuilder.build();
            }
            // install flow rules to enforce ICMP_REQUEST to be tagged and direct to ACL table
            eventExecutor.execute(() -> setVidTagRule(srcPort, true));
            // install flow rules to enforce forwarding ICMP_REPLY to controller
            eventExecutor.execute(() -> setEastWestIcmpReplyRule(srcPort, true));
            timeoutPredicate(1, VID_TAG_RULE_INSTALL_TIMEOUT_MS, this::checkVidTagRule, srcPort.ipAddress().toString());
            timeoutPredicate(1, ICMP_RULE_INSTALL_TIMEOUT_MS, this::checkEastWestIcmpReplyRule, srcPort.ipAddress().toString());
            // send out ICMP ECHO request
            sendIcmpEchoRequest(srcPort, dstPort, null, Direction.EAST_WEST);
            BooleanSupplier checkReachability = () -> icmpReachabilityMap.asJavaMap().values().stream().allMatch(Reachability::isReachable);
            timeoutSupplier(1, ICMP_REPLY_TIMEOUT_MS, checkReachability);
            // uninstall ICMP_REQUEST VID tagging rules
            eventExecutor.execute(() -> setVidTagRule(srcPort, false));
            // uninstall ICMP_REPLY enforcing rules
            eventExecutor.execute(() -> setEastWestIcmpReplyRule(srcPort, false));
            return icmpReachabilityMap.asJavaMap().get(String.valueOf(icmpIdCounter.get()));
        } else {
            rBuilder.isReachable(false);
            return rBuilder.build();
        }
    }
}

Example 3 with Reachability

use of org.onosproject.openstacktroubleshoot.api.Reachability in project onos by opennetworkinglab.

the class OpenstackTroubleshootManager method probeNorthSouth.

@Override
public Reachability probeNorthSouth(InstancePort port) {
    Optional<OpenstackNode> gw = osNodeService.completeNodes(GATEWAY).stream().findFirst();
    if (!gw.isPresent()) {
        log.warn("Gateway is not available to troubleshoot north-south traffic.");
        return null;
    }
    // install flow rules to enforce forwarding ICMP_REPLY to controller
    eventExecutor.execute(() -> setNorthSouthIcmpReplyRule(port, gw.get(), true));
    timeoutPredicate(1, ICMP_RULE_INSTALL_TIMEOUT_MS, this::checkNorthSouthIcmpReplyRule, port.ipAddress().toString());
    // send out ICMP ECHO request
    sendIcmpEchoRequest(null, port, gw.get(), Direction.NORTH_SOUTH);
    BooleanSupplier checkReachability = () -> icmpReachabilityMap.asJavaMap().values().stream().allMatch(Reachability::isReachable);
    timeoutSupplier(1, ICMP_REPLY_TIMEOUT_MS, checkReachability);
    // uninstall ICMP_REPLY enforcing rules
    eventExecutor.execute(() -> setNorthSouthIcmpReplyRule(port, gw.get(), false));
    return icmpReachabilityMap.asJavaMap().get(String.valueOf(icmpIdCounter.get()));
}

Example 4 with Reachability

use of org.onosproject.openstacktroubleshoot.api.Reachability in project onos by opennetworkinglab.

the class OpenstackTroubleshootManager method buildIcmpOutputPacket.

/**
 * Builds ICMP Outbound packet.
 *
 * @param srcPort   source instance port
 * @param dstPort   destination instance port
 * @param icmpId    ICMP identifier
 * @param icmpSeq   ICMP sequence number
 */
private OutboundPacket buildIcmpOutputPacket(InstancePort srcPort, InstancePort dstPort, OpenstackNode gateway, short icmpId, short icmpSeq, Direction direction) {
    Ethernet ethFrame;
    IpAddress srcIp;
    IpAddress dstIp;
    DeviceId deviceId;
    if (direction == Direction.EAST_WEST) {
        ethFrame = constructEastWestIcmpPacket(srcPort, dstPort, icmpId, icmpSeq);
        srcIp = srcPort.ipAddress();
        dstIp = dstPort.ipAddress();
        deviceId = srcPort.deviceId();
    } else if (direction == Direction.NORTH_SOUTH) {
        ethFrame = constructNorthSouthIcmpPacket(dstPort, icmpId, icmpSeq);
        srcIp = clusterService.getLocalNode().ip();
        dstIp = instancePortService.floatingIp(dstPort.portId());
        deviceId = gateway.intgBridge();
    } else {
        log.warn("Invalid traffic direction {}", direction);
        return null;
    }
    TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
    // we send out the packet to ingress table (index is 0) of source OVS
    // to enforce the Outbound packet to go through the ingress and egress
    // pipeline
    tBuilder.setOutput(TABLE);
    Reachability reachability = DefaultReachability.builder().srcIp(srcIp).dstIp(dstIp).isReachable(false).build();
    icmpReachabilityMap.put(String.valueOf(icmpId), reachability);
    icmpIds.add(String.valueOf(icmpId));
    return new DefaultOutboundPacket(deviceId, tBuilder.build(), ByteBuffer.wrap(ethFrame.serialize()));
}

Example 5 with Reachability

use of org.onosproject.openstacktroubleshoot.api.Reachability in project onos by opennetworkinglab.

the class DefaultReachabilityTest method testConstruction.

/**
 * Test object construction.
 */
@Test
public void testConstruction() {
    Reachability reachability = reachability1;
    assertEquals(reachability.srcIp(), IP_ADDRESS_1_1);
    assertEquals(reachability.dstIp(), IP_ADDRESS_1_2);
    assertTrue(reachability.isReachable());
}