2  * ============LICENSE_START=======================================================
 
   3  *  Copyright (C) 2019 Nordix Foundation.
 
   4  * ================================================================================
 
   5  * Licensed under the Apache License, Version 2.0 (the "License");
 
   6  * you may not use this file except in compliance with the License.
 
   7  * You may obtain a copy of the License at
 
   9  *      http://www.apache.org/licenses/LICENSE-2.0
 
  11  * Unless required by applicable law or agreed to in writing, software
 
  12  * distributed under the License is distributed on an "AS IS" BASIS,
 
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
  14  * See the License for the specific language governing permissions and
 
  15  * limitations under the License.
 
  17  * SPDX-License-Identifier: Apache-2.0
 
  18  * ============LICENSE_END=========================================================
 
  21 package org.onap.so.adapters.vnfmadapter.extclients.vnfm;
 
  23 import java.security.GeneralSecurityException;
 
  24 import java.util.ArrayList;
 
  25 import java.util.List;
 
  27 import org.apache.commons.lang3.tuple.ImmutablePair;
 
  28 import org.onap.aai.domain.yang.EsrSystemInfo;
 
  29 import org.onap.so.adapters.vnfmadapter.VnfmAdapterUrlProvider;
 
  30 import org.onap.so.adapters.vnfmadapter.extclients.aai.AaiServiceProvider;
 
  31 import org.onap.so.adapters.vnfmadapter.extclients.vim.model.AccessInfo;
 
  32 import org.onap.so.adapters.vnfmadapter.extclients.vim.model.InterfaceInfo;
 
  33 import org.onap.so.adapters.vnfmadapter.extclients.vim.model.VimCredentials;
 
  34 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.InlineResponse201VimConnections;
 
  35 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InstantiateVnfRequest;
 
  36 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.LccnSubscriptionRequest;
 
  37 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthentication;
 
  38 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthentication.AuthTypeEnum;
 
  39 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthenticationParamsBasic;
 
  40 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthenticationParamsOauth2ClientCredentials;
 
  41 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsFilter;
 
  42 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsFilter.NotificationTypesEnum;
 
  43 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsFilterVnfInstanceSubscriptionFilter;
 
  44 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.VnfInstancesvnfInstanceIdinstantiateExtVirtualLinks;
 
  45 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo;
 
  46 import org.onap.vnfmadapter.v1.model.CreateVnfRequest;
 
  47 import org.onap.vnfmadapter.v1.model.ExternalVirtualLink;
 
  48 import org.onap.vnfmadapter.v1.model.Tenant;
 
  49 import org.slf4j.Logger;
 
  50 import org.slf4j.LoggerFactory;
 
  51 import org.springframework.beans.factory.annotation.Autowired;
 
  52 import org.springframework.stereotype.Service;
 
  53 import com.google.common.reflect.TypeToken;
 
  54 import com.google.gson.Gson;
 
  55 import com.google.gson.JsonElement;
 
  56 import com.google.gson.JsonObject;
 
  59  * Provides helper methods for interactions with VNFM.
 
  62 public class VnfmHelper {
 
  64     private static final Logger logger = LoggerFactory.getLogger(VnfmHelper.class);
 
  65     private static final String SEPARATOR = "_";
 
  66     private final AaiServiceProvider aaiServiceProvider;
 
  67     private final VnfmAdapterUrlProvider vnfmAdapterUrlProvider;
 
  70     public VnfmHelper(final AaiServiceProvider aaiServiceProvider,
 
  71             final VnfmAdapterUrlProvider vnfmAdapterUrlProvider) {
 
  72         this.aaiServiceProvider = aaiServiceProvider;
 
  73         this.vnfmAdapterUrlProvider = vnfmAdapterUrlProvider;
 
  77      * Create an {@link InstantiateVnfRequest} to send in an instantiation request to a VNFM.
 
  79      * @param tenant the tenant the request is to be fulfilled on
 
  80      * @param createVnfRequest the request received by the VNFM adapter
 
  82     public InstantiateVnfRequest createInstantiateRequest(final Tenant tenant, final CreateVnfRequest createVnfRequest,
 
  83             final String flavourId) {
 
  84         final InstantiateVnfRequest instantiateVnfRequest = new InstantiateVnfRequest();
 
  85         instantiateVnfRequest.setFlavourId(flavourId);
 
  86         instantiateVnfRequest.setVimConnectionInfo(getVimConnectionInfos(tenant));
 
  88                 .setAdditionalParams(getAdditionalParametersAsJsonObject(createVnfRequest.getAdditionalParams()));
 
  89         instantiateVnfRequest.setExtVirtualLinks(getExternalVirtualLinks(createVnfRequest.getExternalVirtualLinks()));
 
  90         createVnfRequest.getExternalVirtualLinks();
 
  91         return instantiateVnfRequest;
 
  94     private List<VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo> getVimConnectionInfos(final Tenant tenant) {
 
  95         final List<VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo> connectionInfos = new ArrayList<>();
 
  96         connectionInfos.add(getVimConnectionInfo(tenant));
 
  97         return connectionInfos;
 
 100     private VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo getVimConnectionInfo(final Tenant tenant) {
 
 101         final EsrSystemInfo esrSystemInfo =
 
 102                 aaiServiceProvider.invokeGetCloudRegionEsrSystemInfoList(tenant.getCloudOwner(), tenant.getRegionName())
 
 103                         .getEsrSystemInfo().iterator().next();
 
 105         final VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo vnfInstancesVimConnectionInfo =
 
 106                 new VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo();
 
 107         final String vimId = createVimId(tenant.getCloudOwner(), tenant.getRegionName());
 
 108         vnfInstancesVimConnectionInfo.setId(vimId);
 
 109         vnfInstancesVimConnectionInfo.setVimId(vimId);
 
 110         vnfInstancesVimConnectionInfo.setVimType(esrSystemInfo.getType());
 
 111         vnfInstancesVimConnectionInfo.setInterfaceInfo(getInterfaceInfo(esrSystemInfo.getServiceUrl()));
 
 112         vnfInstancesVimConnectionInfo.setAccessInfo(getAccessInfo(esrSystemInfo, tenant.getTenantId()));
 
 113         return vnfInstancesVimConnectionInfo;
 
 116     private InterfaceInfo getInterfaceInfo(final String url) {
 
 117         final InterfaceInfo interfaceInfo = new InterfaceInfo();
 
 118         interfaceInfo.setIdentityEndPoint(url);
 
 119         return interfaceInfo;
 
 122     private AccessInfo getAccessInfo(final EsrSystemInfo esrSystemInfo, final String tenantId) {
 
 123         final AccessInfo accessInfo = new AccessInfo();
 
 124         accessInfo.setProjectId(tenantId);
 
 125         accessInfo.setDomainName(esrSystemInfo.getCloudDomain());
 
 127         final VimCredentials vimCredentials = new VimCredentials();
 
 128         vimCredentials.setUsername(esrSystemInfo.getUserName());
 
 129         vimCredentials.setPassword(esrSystemInfo.getPassword());
 
 130         accessInfo.setCredentials(vimCredentials);
 
 134     private String createVimId(final String cloudOwner, final String cloudRegion) {
 
 135         return cloudOwner + SEPARATOR + cloudRegion;
 
 138     private JsonObject getAdditionalParametersAsJsonObject(final Map<String, String> additionalParameters) {
 
 139         final JsonObject additionalParametersJsonObject = new JsonObject();
 
 140         if (additionalParameters != null) {
 
 141             for (final Map.Entry<String, JsonElement> item : new Gson().toJsonTree(additionalParameters)
 
 142                     .getAsJsonObject().entrySet()) {
 
 143                 additionalParametersJsonObject.add(item.getKey(), item.getValue());
 
 146             logger.warn("No additional parameters were specified for the operation");
 
 148         return additionalParametersJsonObject;
 
 151     private List<VnfInstancesvnfInstanceIdinstantiateExtVirtualLinks> getExternalVirtualLinks(
 
 152             final List<ExternalVirtualLink> extVirtualLinks) {
 
 153         if (extVirtualLinks != null) {
 
 154             final String extVirtualLinksJsonObject =
 
 155                     new Gson().toJson(extVirtualLinks, new TypeToken<List<ExternalVirtualLink>>() {}.getType());
 
 156             return new Gson().fromJson(extVirtualLinksJsonObject,
 
 157                     new TypeToken<List<VnfInstancesvnfInstanceIdinstantiateExtVirtualLinks>>() {}.getType());
 
 163      * Create a {@link LccnSubscriptionRequest} to send in an notification subscription request to a VNFM.
 
 165      * @param the ID of the VNF notifications are required for
 
 166      * @return the request
 
 167      * @throws GeneralSecurityException
 
 169     public LccnSubscriptionRequest createNotificationSubscriptionRequest(final String vnfId)
 
 170             throws GeneralSecurityException {
 
 171         final LccnSubscriptionRequest lccnSubscriptionRequest = new LccnSubscriptionRequest();
 
 172         lccnSubscriptionRequest.setAuthentication(getSubscriptionsAuthentication());
 
 173         lccnSubscriptionRequest.setCallbackUri(vnfmAdapterUrlProvider.getVnfLcmOperationOccurrenceNotificationUrl());
 
 174         final SubscriptionsFilter filter = new SubscriptionsFilter();
 
 175         filter.addNotificationTypesItem(NotificationTypesEnum.VNFLCMOPERATIONOCCURRENCENOTIFICATION);
 
 176         final SubscriptionsFilterVnfInstanceSubscriptionFilter vnfInstanceSubscriptionFilter =
 
 177                 new SubscriptionsFilterVnfInstanceSubscriptionFilter();
 
 178         vnfInstanceSubscriptionFilter.addVnfInstanceIdsItem(vnfId);
 
 179         filter.setVnfInstanceSubscriptionFilter(vnfInstanceSubscriptionFilter);
 
 180         lccnSubscriptionRequest.setFilter(filter);
 
 181         return lccnSubscriptionRequest;
 
 184     private SubscriptionsAuthentication getSubscriptionsAuthentication() throws GeneralSecurityException {
 
 185         final SubscriptionsAuthentication authentication = new SubscriptionsAuthentication();
 
 187         final ImmutablePair<String, String> decrypedAuth = vnfmAdapterUrlProvider.getDecryptAuth();
 
 189         final SubscriptionsAuthenticationParamsOauth2ClientCredentials oauthParams =
 
 190                 new SubscriptionsAuthenticationParamsOauth2ClientCredentials();
 
 191         oauthParams.setTokenEndpoint(vnfmAdapterUrlProvider.getOauthTokenUrl());
 
 192         oauthParams.clientId(decrypedAuth.getLeft());
 
 193         oauthParams.setClientPassword(decrypedAuth.getRight());
 
 194         authentication.addAuthTypeItem(AuthTypeEnum.OAUTH2_CLIENT_CREDENTIALS);
 
 195         authentication.paramsOauth2ClientCredentials(oauthParams);
 
 197         final SubscriptionsAuthenticationParamsBasic basicAuthParams = new SubscriptionsAuthenticationParamsBasic();
 
 198         basicAuthParams.setUserName(decrypedAuth.getLeft());
 
 199         basicAuthParams.setPassword(decrypedAuth.getRight());
 
 200         authentication.addAuthTypeItem(AuthTypeEnum.BASIC);
 
 201         authentication.paramsBasic(basicAuthParams);
 
 203         authentication.addAuthTypeItem(AuthTypeEnum.TLS_CERT);
 
 204         return authentication;
 
 208      * Get the VIM connections for a tenant
 
 210      * @param tenant the tenant
 
 211      * @return the VIM connections
 
 213     public InlineResponse201VimConnections getVimConnections(final Tenant tenant) {
 
 214         final EsrSystemInfo esrSystemInfo =
 
 215                 aaiServiceProvider.invokeGetCloudRegionEsrSystemInfoList(tenant.getCloudOwner(), tenant.getRegionName())
 
 216                         .getEsrSystemInfo().iterator().next();
 
 218         final InlineResponse201VimConnections vimConnection = new InlineResponse201VimConnections();
 
 219         vimConnection.setId(createVimId(tenant.getCloudOwner(), tenant.getRegionName()));
 
 220         vimConnection.setVimId(vimConnection.getId());
 
 221         vimConnection.setVimType(esrSystemInfo.getType());
 
 222         vimConnection.setInterfaceInfo(getInterfaceInfo(esrSystemInfo.getServiceUrl()));
 
 223         vimConnection.setAccessInfo(getAccessInfo(esrSystemInfo, tenant.getTenantId()));
 
 224         return vimConnection;