neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/mapping/rule/NeutronGbpMapperServiceImpl.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.groupbasedpolicy.neutron.mapper.mapping.rule;
  10
  11 import static com.google.common.base.Preconditions.checkNotNull;
  12
  13 import java.util.List;
  14 import java.util.concurrent.ExecutionException;
  15 import java.util.concurrent.Future;
  16
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.SecurityRuleUtils;
  21 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.ChangeActionOfSecurityGroupRulesInput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.NeutronGbpMapperService;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.change.action.of.security.group.rules.input.SecurityGroupRule;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.secgroups.rev150712.security.rules.attributes.security.rules.SecurityRule;
  28 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.common.RpcResult;
  31 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 import com.google.common.base.Optional;
  36 import com.google.common.util.concurrent.Futures;
  37
  38 public class NeutronGbpMapperServiceImpl implements NeutronGbpMapperService {
  39
  40     private static final Logger LOG = LoggerFactory.getLogger(NeutronGbpMapperServiceImpl.class);
  41     private NeutronSecurityRuleAware secRuleAware;
  42     private DataBroker dataProvider;
  43
  44     public NeutronGbpMapperServiceImpl(DataBroker dataProvider, NeutronSecurityRuleAware secRuleAware) {
  45         this.dataProvider = checkNotNull(dataProvider);
  46         this.secRuleAware = checkNotNull(secRuleAware);
  47     }
  48
  49     @Override
  50     public Future<RpcResult<Void>> changeActionOfSecurityGroupRules(ChangeActionOfSecurityGroupRulesInput input) {
  51         List<SecurityGroupRule> securityGroupRules = input.getSecurityGroupRule();
  52         if (securityGroupRules == null || input.getAction() == null) {
  53             LOG.debug("Missing params in request:\n{}", input);
  54             return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
  55                 .withError(ErrorType.PROTOCOL, "Missing params. Changing to action "
  56                         + input.getAction().getActionChoice() + " was not successful.")
  57                 .build());
  58         }
  59
  60         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  61         Optional<Neutron> potentialNeutron;
  62         try {
  63             potentialNeutron = rwTx.read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.builder(Neutron.class).build()).get();
  64         } catch (InterruptedException | ExecutionException e) {
  65             LOG.error("Exception during neutron reading.", e);
  66             return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
  67                     .withError(ErrorType.PROTOCOL, "Cannot read from CONF DS.")
  68                     .build());
  69         }
  70         if (!potentialNeutron.isPresent()) {
  71             return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
  72                     .withError(ErrorType.PROTOCOL, "No neutron data in CONF DS.")
  73                     .build());
  74         }
  75         Neutron neutron = potentialNeutron.get();
  76         for (SecurityGroupRule secGrpRule : securityGroupRules) {
  77             Uuid uuid = secGrpRule.getUuid();
  78             Optional<SecurityRule> potentialSecRule = SecurityRuleUtils.findSecurityRule(uuid, neutron.getSecurityRules());
  79             if (!potentialSecRule.isPresent()) {
  80                 LOG.warn("Security rule {} does not exist.", uuid);
  81                 continue;
  82             }
  83             LOG.trace("Changing action to {} in security group rule {}", input.getAction().getActionChoice(), uuid);
  84             boolean isSuccessful =
  85                     secRuleAware.changeActionOfNeutronSecurityRule(potentialSecRule.get(), input.getAction().getActionChoice(), neutron, rwTx);
  86             if (!isSuccessful) {
  87                 rwTx.cancel();
  88                 LOG.warn("Changing action to {} in security group rule {} was not successful.",
  89                         input.getAction().getActionChoice(), uuid);
  90                 return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
  91                     .withError(ErrorType.APPLICATION,
  92                             "Changing to action " + input.getAction().getActionChoice() + " was not successful.")
  93                     .build());
  94             }
  95         }
  96         boolean isSubmittedToDs = DataStoreHelper.submitToDs(rwTx);
  97         if (!isSubmittedToDs) {
  98             LOG.warn("Changing action to {} in security group rules {} was not successful.",
  99                     input.getAction().getActionChoice(), input.getSecurityGroupRule());
 100             return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
 101                 .withError(ErrorType.APPLICATION, "Storing to datastore was not successful. Changing to action "
 102                         + input.getAction().getActionChoice() + " was not successful.")
 103                 .build());
 104         }
 105         return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
 106     }
 107
 108 }