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/*-
* ============LICENSE_START=======================================================
* openECOMP : SDN-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdnc.ra.comp;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang.NotImplementedException;
import org.openecomp.sdnc.ra.equip.data.EquipmentData;
import org.openecomp.sdnc.rm.comp.ResourceManager;
import org.openecomp.sdnc.rm.data.AllocationItem;
import org.openecomp.sdnc.rm.data.AllocationOutcome;
import org.openecomp.sdnc.rm.data.AllocationRequest;
import org.openecomp.sdnc.rm.data.AllocationStatus;
import org.openecomp.sdnc.rm.data.LimitAllocationItem;
import org.openecomp.sdnc.rm.data.LimitResource;
import org.openecomp.sdnc.rm.data.RangeAllocationItem;
import org.openecomp.sdnc.rm.data.RangeResource;
import org.openecomp.sdnc.rm.data.Resource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class EndPointAllocatorImpl implements EndPointAllocator {
private static final Logger log = LoggerFactory.getLogger(EndPointAllocatorImpl.class);
private Map<String, List<EndPointAllocationDefinition>> endPointAllocationDefinitionMap;
private ResourceManager resourceManager;
@Override
public List<EndPointData> allocateEndPoints(
ServiceData serviceData,
Map<String, Object> equipmentConstraints,
boolean checkOnly,
boolean change,
int changeNumber) {
List<EndPointAllocationDefinition> defList = endPointAllocationDefinitionMap.get(serviceData.serviceModel);
if (defList == null)
throw new NotImplementedException("Service model: " + serviceData.serviceModel + " not supported");
List<EndPointData> epList = new ArrayList<>();
for (EndPointAllocationDefinition def : defList) {
if (serviceData.endPointPosition != null && !serviceData.endPointPosition.equals(def.endPointPosition))
continue;
log.info(
"Starting allocation of end point: " + def.endPointPosition + ": " + serviceData.serviceInstanceId);
String resourceUnionId = serviceData.serviceInstanceId + '/' + def.endPointPosition;
String resourceSetId = resourceUnionId + '/' + changeNumber;
String equipmentId = (String) equipmentConstraints.get("equipment-id");
if (equipmentId == null) {
EndPointData epExisting = readEndPoint(resourceUnionId, resourceSetId);
if (epExisting != null && epExisting.equipmentId != null) {
equipmentConstraints.put("equipment-id", epExisting.equipmentId);
log.info("Trying assignment on the current equipment: " + epExisting.equipmentId);
}
}
List<EquipmentData> equipList = def.equipmentReader.readEquipment(equipmentConstraints);
if (equipList == null || equipList.isEmpty()) {
log.info("Equipment not found for " + def.endPointPosition);
break;
}
if (def.equipmentCheckList != null) {
for (EquipmentCheck filter : def.equipmentCheckList) {
List<EquipmentData> newEquipList = new ArrayList<>();
for (EquipmentData equipData : equipList)
if (filter.checkEquipment(def.endPointPosition, serviceData, equipData, equipmentConstraints))
newEquipList.add(equipData);
equipList = newEquipList;
}
if (equipList.isEmpty()) {
log.info("No equipment meets the requiremets for the service for: " + def.endPointPosition);
break;
}
}
if (equipList.size() > 1 && def.preferenceRuleList != null && !def.preferenceRuleList.isEmpty()) {
List<PrefEquipment> prefEquipList = new ArrayList<>();
for (EquipmentData equipData : equipList) {
PrefEquipment prefEquip = new PrefEquipment();
prefEquip.equipData = equipData;
prefEquip.prefNumbers = new long[def.preferenceRuleList.size()];
prefEquipList.add(prefEquip);
int i = 0;
for (PreferenceRule prefRule : def.preferenceRuleList)
prefEquip.prefNumbers[i++] =
prefRule.assignOrderNumber(def.endPointPosition, serviceData, equipData);
}
Collections.sort(prefEquipList);
equipList = new ArrayList<>();
for (PrefEquipment prefEquip : prefEquipList)
equipList.add(prefEquip.equipData);
}
for (EquipmentData equipData : equipList) {
boolean allgood = true;
if (def.allocationRuleList != null)
for (AllocationRule allocationRule : def.allocationRuleList) {
AllocationRequest ar = allocationRule.buildAllocationRequest(resourceUnionId, resourceSetId,
def.endPointPosition, serviceData, equipData, checkOnly, change);
if (ar != null) {
AllocationOutcome ao = resourceManager.allocateResources(ar);
if (ao.status != AllocationStatus.Success) {
allgood = false;
break;
}
}
}
if (allgood) {
EndPointData ep = readEndPoint(resourceUnionId, resourceSetId);
epList.add(ep);
break;
}
}
}
return epList;
}
private EndPointData readEndPoint(String resourceUnionId, String resourceSetId) {
EndPointData ep = new EndPointData();
ep.resourceUnionId = resourceUnionId;
ep.resourceSetId = resourceSetId;
int i1 = resourceUnionId.indexOf('/');
if (i1 > 0)
ep.endPointPosition = resourceUnionId.substring(i1 + 1);
ep.data = new HashMap<>();
List<Resource> rlist = resourceManager.getResourceUnion(resourceUnionId);
for (Resource r : rlist) {
if (r instanceof RangeResource) {
RangeResource rr = (RangeResource) r;
for (AllocationItem ai : r.allocationItems)
if (ai.resourceUnionId.equals(resourceUnionId)) {
RangeAllocationItem rai = (RangeAllocationItem) ai;
ep.data.put(ep.endPointPosition + '.' + rr.resourceKey.resourceName, rai.used.first());
}
}
if (r instanceof LimitResource) {
LimitResource rr = (LimitResource) r;
for (AllocationItem ai : r.allocationItems)
if (ai.resourceUnionId.equals(resourceUnionId)) {
LimitAllocationItem rai = (LimitAllocationItem) ai;
ep.data.put(ep.endPointPosition + '.' + rr.resourceKey.resourceName + ".allocated", rai.used);
ep.data.put(ep.endPointPosition + '.' + rr.resourceKey.resourceName + ".used", rr.used);
ep.data.put(ep.endPointPosition + '.' + rr.resourceKey.resourceName + ".assetId",
r.resourceKey.assetId);
}
}
}
return ep;
}
private static class PrefEquipment implements Comparable<PrefEquipment> {
public long[] prefNumbers;
public EquipmentData equipData;
@Override
public int compareTo(PrefEquipment o) {
for (int i = 0; i < prefNumbers.length; i++) {
if (prefNumbers[i] < o.prefNumbers[i])
return -1;
if (prefNumbers[i] > o.prefNumbers[i])
return 1;
}
return 0;
}
}
public void setEndPointAllocationDefinitionMap(
Map<String, List<EndPointAllocationDefinition>> endPointAllocationDefinitionMap) {
this.endPointAllocationDefinitionMap = endPointAllocationDefinitionMap;
}
public void setResourceManager(ResourceManager resourceManager) {
this.resourceManager = resourceManager;
}
}
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