adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/audit/HeatStackAudit.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.adapters.audit;
  22
  23 import java.net.URI;
  24 import java.util.HashSet;
  25 import java.util.List;
  26 import java.util.Optional;
  27 import java.util.Set;
  28 import java.util.stream.Collectors;
  29 import java.util.stream.Stream;
  30
  31 import org.onap.aai.domain.yang.LInterface;
  32 import org.onap.aai.domain.yang.LInterfaces;
  33 import org.onap.aai.domain.yang.Vserver;
  34 import org.onap.so.openstack.utils.MsoHeatUtils;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37 import org.springframework.beans.factory.annotation.Autowired;
  38 import org.springframework.stereotype.Component;
  39
  40 import com.woorea.openstack.heat.model.Link;
  41 import com.woorea.openstack.heat.model.Resource;
  42 import com.woorea.openstack.heat.model.Resources;
  43 import com.woorea.openstack.heat.model.Stack;
  44
  45 @Component
  46 public class HeatStackAudit {
  47
  48         private static final String RESOURCES = "/resources";
  49
  50         protected static final Logger logger = LoggerFactory.getLogger(HeatStackAudit.class);
  51
  52         @Autowired
  53         protected MsoHeatUtils heat;
  54
  55         @Autowired
  56         protected AuditVServer auditVservers;
  57
  58         public boolean auditHeatStack(String cloudRegion, String cloudOwner, String tenantId, String heatStackName) {
  59                 try {
  60                         logger.debug("Fetching Top Level Stack Information");
  61                         Resources resources = heat.queryStackResources(cloudRegion, tenantId, heatStackName);
  62                         List<Resource> novaResources = resources.getList().stream()
  63                                         .filter(p -> "OS::Nova::Server".equals(p.getType())).collect(Collectors.toList());
  64                         List<Resource> resourceGroups = resources.getList().stream()
  65                                         .filter(p -> "OS::Heat::ResourceGroup".equals(p.getType()) && p.getName().contains("subinterfaces")).collect(Collectors.toList());
  66                         Set<Vserver> vserversToAudit = createVserverSet(resources, novaResources);
  67                         Set<Vserver> vserversWithSubInterfaces = processSubInterfaces(cloudRegion, tenantId, resourceGroups,
  68                                         vserversToAudit);
  69                         return auditVservers.auditVservers(vserversWithSubInterfaces, tenantId, cloudOwner, cloudRegion);
  70                 } catch (Exception e) {
  71                         logger.error("Error during auditing stack resources", e);
  72                         return false;
  73                 }
  74         }
  75
  76         protected Set<Vserver> processSubInterfaces(String cloudRegion, String tenantId, List<Resource> resourceGroups,
  77                         Set<Vserver> vServersToAudit) throws Exception {
  78                 for (Resource resourceGroup : resourceGroups) {
  79                         processResourceGroups(cloudRegion, tenantId, vServersToAudit, resourceGroup);
  80                 }
  81                 return vServersToAudit;
  82         }
  83
  84         protected void processResourceGroups(String cloudRegion, String tenantId, Set<Vserver> vServersWithLInterface,
  85                         Resource resourceGroup) throws Exception {
  86                 Optional<Link> stackLink = resourceGroup.getLinks().stream().filter(link -> "nested".equals(link.getRel()))
  87                                 .findAny();
  88                 if (stackLink.isPresent()) {
  89                         try {
  90                                 Optional<String> path = extractResourcePathFromHref(stackLink.get().getHref());
  91                                 if (path.isPresent()) {
  92                                         logger.debug("Fetching nested Resource Stack Information");
  93                                         Resources nestedResourceGroupResources = heat.executeHeatClientRequest(path.get(), cloudRegion,
  94                                                         tenantId, Resources.class);
  95                                         processNestedResourceGroup(cloudRegion, tenantId, vServersWithLInterface,
  96                                                         nestedResourceGroupResources);
  97                                 } else
  98                                         throw new Exception("Error finding Path from Self Link");
  99                         } catch (Exception e) {
 100                                 logger.error("Error Parsing Link to obtain Path", e);
 101                                 throw new Exception("Error finding Path from Self Link");
 102                         }
 103
 104                 }
 105         }
 106
 107         protected void processNestedResourceGroup(String cloudRegion, String tenantId, Set<Vserver> vServersWithLInterface,
 108                         Resources nestedResourceGroupResources) throws Exception {
 109                 for (Resource resourceGroupNested : nestedResourceGroupResources) {
 110                         Optional<Link> subInterfaceStackLink = resourceGroupNested.getLinks().stream()
 111                                         .filter(link -> "nested".equals(link.getRel())).findAny();
 112                         if (subInterfaceStackLink.isPresent()) {
 113                                 addSubInterface(cloudRegion, tenantId, vServersWithLInterface,subInterfaceStackLink.get());
 114                         }
 115                 }
 116         }
 117
 118         protected void addSubInterface(String cloudRegion, String tenantId, Set<Vserver> vServersWithLInterface, Link subInterfaceStackLink) throws Exception {
 119                         Optional<String> resourcePath = extractResourcePathFromHref(subInterfaceStackLink.getHref());
 120                         Optional<String> stackPath = extractStackPathFromHref(subInterfaceStackLink.getHref());
 121                         if (resourcePath.isPresent() && stackPath.isPresent()) {
 122                                 logger.debug("Fetching nested Sub-Interface Stack Information");
 123                                 Stack subinterfaceStack = heat.executeHeatClientRequest(stackPath.get(), cloudRegion, tenantId, Stack.class);
 124                                 Resources subinterfaceResources = heat.executeHeatClientRequest(resourcePath.get(), cloudRegion, tenantId, Resources.class);
 125                                 if (subinterfaceStack != null) {
 126                                         addSubInterfaceToVserver(vServersWithLInterface, subinterfaceStack, subinterfaceResources);
 127                                 }
 128                         } else
 129                                 throw new Exception("Error finding Path from Self Link");
 130
 131         }
 132
 133         protected void addSubInterfaceToVserver(Set<Vserver> vServersWithLInterface, Stack subinterfaceStack, Resources subinterfaceResources) throws Exception {
 134                 String parentNeutronPortId = (String) subinterfaceStack.getParameters().get("port_interface");
 135                 logger.debug("Parent neutron Port: {} on SubInterface: {}", parentNeutronPortId, subinterfaceStack.getId());
 136                 for (Vserver auditVserver : vServersWithLInterface)
 137                         for (LInterface lInterface : auditVserver.getLInterfaces().getLInterface())
 138
 139                                 if (parentNeutronPortId.equals(lInterface.getInterfaceId())) {
 140                                         logger.debug("Found Parent Port on VServer: {} on Port: {}", auditVserver.getVserverId(), lInterface.getInterfaceId());
 141                                         Resource contrailVm = subinterfaceResources.getList().stream().filter(resource -> "OS::ContrailV2::VirtualMachineInterface".equals(resource.getType())).findAny()
 142                         .orElse(null);
 143                                         if(contrailVm == null){
 144                                                 throw new Exception("Cannnot find Contrail Virtual Machine Interface on Stack: "+ subinterfaceStack.getId());
 145                                         }
 146                                         LInterface subInterface = new LInterface();
 147                                         subInterface.setInterfaceId(contrailVm.getPhysicalResourceId());
 148
 149                                         if(lInterface.getLInterfaces() == null)
 150                                                 lInterface.setLInterfaces(new LInterfaces());
 151
 152                                         lInterface.getLInterfaces().getLInterface().add(subInterface);
 153                                 }else
 154                                         logger.debug("Did Not Find Parent Port on VServer: {} Parent Port: SubInterface: {}",auditVserver.getVserverId(),
 155                                                         lInterface.getInterfaceId(),subinterfaceStack.getId());
 156         }
 157
 158         protected Set<Vserver> createVserverSet(Resources resources, List<Resource> novaResources) {
 159                 Set<Vserver> vserversToAudit = new HashSet<>();
 160                 for (Resource novaResource : novaResources) {
 161                         Vserver auditVserver = new Vserver();
 162                         auditVserver.setLInterfaces(new LInterfaces());
 163                         auditVserver.setVserverId(novaResource.getPhysicalResourceId());
 164                         Stream<Resource> filteredNeutronNetworks = resources.getList().stream()
 165                                         .filter(network -> network.getRequiredBy().contains(novaResource.getLogicalResourceId()));
 166                         filteredNeutronNetworks.forEach(network -> {
 167                                 LInterface lInterface = new LInterface();
 168                                 lInterface.setInterfaceId(network.getPhysicalResourceId());
 169                                 auditVserver.getLInterfaces().getLInterface().add(lInterface);
 170                         });
 171                         vserversToAudit.add(auditVserver);
 172                 }
 173                 return vserversToAudit;
 174         }
 175
 176         protected Optional<String> extractResourcePathFromHref(String href) {
 177                 URI uri;
 178                 try {
 179                         uri = new URI(href);
 180                         return Optional.of(uri.getPath().replaceFirst("/v\\d+", "")+RESOURCES);
 181                 } catch (Exception e) {
 182                         logger.error("Error parsing URI", e);
 183                 }
 184                 return Optional.empty();
 185         }
 186
 187         protected Optional<String> extractStackPathFromHref(String href) {
 188                 URI uri;
 189                 try {
 190                         uri = new URI(href);
 191                         return Optional.of(uri.getPath().replaceFirst("/v\\d+", ""));
 192                 } catch (Exception e) {
 193                         logger.error("Error parsing URI", e);
 194                 }
 195                 return Optional.empty();
 196         }
 197
 198
 199 }