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);
});
}
@Override
public void removeRouterInterface(OpenstackRouterInterface routerIface) {
OpenstackRouter osRouter = openstackService.router(routerIface.id());
if (osRouter == null) {
log.warn("Failed to remove router interface {}", routerIface);
return;
}
OpenstackSubnet osSubnet = openstackService.subnet(routerIface.subnetId());
OpenstackNetwork osNet = openstackService.network(osSubnet.networkId());
unsetGatewayIcmp(
Ip4Address.valueOf(openstackService.subnet(routerIface.subnetId()).gatewayIp()));
unsetRoutes(osRouter, osSubnet);
if (osRouter.gatewayExternalInfo().externalFixedIps().size() > 0) {
unsetExternalConnection(osRouter, osNet.id(), osSubnet.cidr());
}
log.info("Disconnected {} from router {}", osSubnet.cidr(), osRouter.name());
}
private void populateExternalRules(OpenstackNetwork osNet, OpenstackSubnet osSubNet) {
populateCnodeToGateway(Long.valueOf(osNet.segmentId()), osSubNet.cidr());
populateGatewayToController(Long.valueOf(osNet.segmentId()), osSubNet.cidr());
}