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/*
* Copyright (C) 2018 Bell Canada. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package org.onap.so.heatbridge.utils;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import java.util.Optional;
import javax.annotation.Nonnull;
public class HeatBridgeUtils {
private HeatBridgeUtils() {
throw new IllegalStateException("Trying to instantiate a utility class.");
}
/**
* IaaS naming convention for compute/p-interface to openstack/physical-network name mapping
*/
private static final String OS_SIDE_SHARED_SRIOV_PREFIX = "shared-";
private static final String OS_SIDE_DEDICATED_SRIOV_PREFIX = "dedicated-";
private static final String COMPUTE_SIDE_SHARED_SRIOV_PREFIX = "sriov-s-";
private static final String COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX = "sriov-d-";
public static Optional<String> getMatchingPserverPifName(@Nonnull final String physicalNetworkName) {
Preconditions.checkState(!Strings.isNullOrEmpty(physicalNetworkName),
"Physical network name is null or " + "empty!");
if (physicalNetworkName.contains(OS_SIDE_DEDICATED_SRIOV_PREFIX)) {
return Optional.of(
physicalNetworkName.replace(OS_SIDE_DEDICATED_SRIOV_PREFIX, COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX));
} else if (physicalNetworkName.contains(OS_SIDE_SHARED_SRIOV_PREFIX)) {
return Optional
.of(physicalNetworkName.replace(OS_SIDE_SHARED_SRIOV_PREFIX, COMPUTE_SIDE_SHARED_SRIOV_PREFIX));
}
return Optional.empty();
}
public static Optional<String> getMatchingPhysicalNetworkName(final String pserverPinterfaceName) {
if (pserverPinterfaceName.contains(COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX)) {
return Optional.of(
pserverPinterfaceName.replace(COMPUTE_SIDE_DEDICATED_SRIOV_PREFIX, OS_SIDE_DEDICATED_SRIOV_PREFIX));
} else if (pserverPinterfaceName.contains(COMPUTE_SIDE_SHARED_SRIOV_PREFIX)) {
return Optional
.of(pserverPinterfaceName.replace(COMPUTE_SIDE_SHARED_SRIOV_PREFIX, OS_SIDE_SHARED_SRIOV_PREFIX));
}
return Optional.empty();
}
}
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