@Override public void run(final FlowTrigger chain, final Map data) { final VirtualRouterVmInventory vr = (VirtualRouterVmInventory) data.get(VirtualRouterConstant.Param.VR.toString()); List<String> nwServed = vr.getGuestL3Networks(); List<String> l3Uuids = vrMgr.selectL3NetworksNeedingSpecificNetworkService(nwServed, NetworkServiceType.DNS); if (l3Uuids.isEmpty()) { chain.next(); return; } if (VirtualRouterSystemTags.DEDICATED_ROLE_VR.hasTag(vr.getUuid()) && !VirtualRouterSystemTags.VR_DNS_ROLE.hasTag(vr.getUuid())) { chain.next(); return; } new VirtualRouterRoleManager().makeDnsRole(vr.getUuid()); SimpleQuery<L3NetworkDnsVO> query = dbf.createQuery(L3NetworkDnsVO.class); query.select(L3NetworkDnsVO_.dns); query.add(L3NetworkDnsVO_.l3NetworkUuid, Op.IN, l3Uuids); List<String> lst = query.listValue(); if (lst.isEmpty()) { chain.next(); return; } Set<String> dnsAddresses = new HashSet<String>(lst.size()); dnsAddresses.addAll(lst); final List<DnsInfo> dns = new ArrayList<DnsInfo>(dnsAddresses.size()); for (String d : dnsAddresses) { DnsInfo dinfo = new DnsInfo(); dinfo.setDnsAddress(d); dns.add(dinfo); } SetDnsCmd cmd = new SetDnsCmd(); cmd.setDns(dns); VirtualRouterAsyncHttpCallMsg msg = new VirtualRouterAsyncHttpCallMsg(); msg.setVmInstanceUuid(vr.getUuid()); msg.setPath(VirtualRouterConstant.VR_SET_DNS_PATH); msg.setCommand(cmd); msg.setCommandTimeout(apiTimeoutManager.getTimeout(cmd.getClass(), "5m")); bus.makeTargetServiceIdByResourceUuid(msg, VmInstanceConstant.SERVICE_ID, vr.getUuid()); bus.send( msg, new CloudBusCallBack(chain) { @Override public void run(MessageReply reply) { if (!reply.isSuccess()) { chain.fail(reply.getError()); return; } VirtualRouterAsyncHttpCallReply re = reply.castReply(); SetDnsRsp ret = re.toResponse(SetDnsRsp.class); if (ret.isSuccess()) { chain.next(); } else { String err = String.format( "virtual router[name: %s, uuid: %s] failed to configure dns%s, %s ", vr.getName(), vr.getUuid(), JSONObjectUtil.toJsonString(dns), ret.getError()); logger.warn(err); chain.fail(errf.stringToOperationError(err)); } } }); }