adapters/mso-openstack-adapters/src/main/java/org/onap/so/heatbridge/utils/HeatBridgeUtils.java

   1 /*
   2  * Copyright (C) 2018 Bell Canada. All rights reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.so.heatbridge.utils;
  18
  19 import com.google.common.base.Preconditions;
  20 import com.google.common.base.Strings;
  21 import java.util.Optional;
  22 import javax.annotation.Nonnull;
  23
  24 public class HeatBridgeUtils {
  25
  26     private HeatBridgeUtils() {
  27         throw new IllegalStateException("Trying to instantiate a utility class.");
  28     }
  29
  30     /**
  31      * IaaS naming convention for compute/p-interface to openstack/physical-network name mapping
  32      */
  33     private static final String OS_SIDE_SHARED_SRIOV_PREFIX = "shared-";
  34     private static final String OS_SIDE_DEDICATED_SRIOV_PREFIX = "dedicated-";
  35     private static final String COMPUTE_SIDE_SHARED_SRIOV_PREFIX = "sriov-s-";
  36     private static final String COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX = "sriov-d-";
  37
  38     public static Optional<String> getMatchingPserverPifName(@Nonnull final String physicalNetworkName) {
  39         Preconditions.checkState(!Strings.isNullOrEmpty(physicalNetworkName), "Physical network name is null or "
  40             + "empty!");
  41         if (physicalNetworkName.contains(OS_SIDE_DEDICATED_SRIOV_PREFIX)) {
  42             return Optional
  43                 .of(physicalNetworkName.replace(OS_SIDE_DEDICATED_SRIOV_PREFIX, COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX));
  44         } else if (physicalNetworkName.contains(OS_SIDE_SHARED_SRIOV_PREFIX)) {
  45             return Optional
  46                 .of(physicalNetworkName.replace(OS_SIDE_SHARED_SRIOV_PREFIX, COMPUTE_SIDE_SHARED_SRIOV_PREFIX));
  47         }
  48         return Optional.empty();
  49     }
  50
  51     public static Optional<String> getMatchingPhysicalNetworkName(final String pserverPinterfaceName) {
  52         if (pserverPinterfaceName.contains(COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX)) {
  53             return Optional
  54                 .of(pserverPinterfaceName.replace(COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX, OS_SIDE_DEDICATED_SRIOV_PREFIX));
  55         } else if (pserverPinterfaceName.contains(COMPUTE_SIDE_SHARED_SRIOV_PREFIX)) {
  56             return Optional
  57                 .of(pserverPinterfaceName.replace(COMPUTE_SIDE_SHARED_SRIOV_PREFIX, OS_SIDE_SHARED_SRIOV_PREFIX));
  58         }
  59         return Optional.empty();
  60     }
  61 }