private void removeExternalRules(OpenstackNetwork osNet, String subNetCidr) {
TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder();
sBuilder
.matchEthType(Ethernet.TYPE_IPV4)
.matchTunnelId(Long.valueOf(osNet.segmentId()))
.matchIPSrc(IpPrefix.valueOf(subNetCidr))
.matchEthDst(Constants.DEFAULT_GATEWAY_MAC);
nodeService
.completeNodes()
.forEach(
node -> {
ForwardingObjective.Flag flag =
node.type().equals(GATEWAY)
? ForwardingObjective.Flag.VERSATILE
: ForwardingObjective.Flag.SPECIFIC;
RulePopulatorUtil.removeRule(
flowObjectiveService,
appId,
node.intBridge(),
sBuilder.build(),
flag,
ROUTING_RULE_PRIORITY);
});
}
private void removeGatewayIcmpRule(Ip4Address gatewayIp, DeviceId deviceId) {
TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder();
sBuilder
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPProtocol(IPv4.PROTOCOL_ICMP)
.matchIPDst(gatewayIp.toIpPrefix());
RulePopulatorUtil.removeRule(
flowObjectiveService,
appId,
deviceId,
sBuilder.build(),
ForwardingObjective.Flag.VERSATILE,
GATEWAY_ICMP_PRIORITY);
}
private void removeRoutingRules(Host host, Set<OpenstackSubnet> osSubNets) {
String osSubNetId = host.annotations().value(SUBNET_ID);
if (osSubNetId == null) {
return;
}
Map<String, String> vniMap = new HashMap<>();
openstackService.networks().stream().forEach(n -> vniMap.put(n.id(), n.segmentId()));
osSubNets
.stream()
.filter(osSubNet -> !osSubNet.id().equals(osSubNetId))
.forEach(
osSubNet -> {
TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder();
sBuilder
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPDst(host.ipAddresses().stream().findFirst().get().toIpPrefix())
.matchIPSrc(IpPrefix.valueOf(osSubNet.cidr()))
.matchTunnelId(Long.valueOf(vniMap.get(osSubNet.networkId())));
nodeService
.completeNodes()
.stream()
.filter(node -> node.type().equals(COMPUTE))
.forEach(
node ->
RulePopulatorUtil.removeRule(
flowObjectiveService,
appId,
node.intBridge(),
sBuilder.build(),
ForwardingObjective.Flag.SPECIFIC,
EW_ROUTING_RULE_PRIORITY));
});
log.debug("Removed routing rule from {} to {}", host, osSubNets);
}