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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm;
import java.security.GeneralSecurityException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.onap.aai.domain.yang.EsrSystemInfo;
import org.onap.so.adapters.etsi.sol003.adapter.common.VnfmAdapterUrlProvider;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.aai.AaiServiceProvider;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vim.model.AccessInfo;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vim.model.InterfaceInfo;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vim.model.VimCredentials;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.InstantiateVnfRequest;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.LccnSubscriptionRequest;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.SubscriptionsAuthentication;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.SubscriptionsAuthentication.AuthTypeEnum;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.SubscriptionsAuthenticationParamsBasic;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.SubscriptionsAuthenticationParamsOauth2ClientCredentials;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.SubscriptionsFilter;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.SubscriptionsFilter.NotificationTypesEnum;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.SubscriptionsFilterVnfInstanceSubscriptionFilter;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.VnfInstancesvnfInstanceIdinstantiateExtVirtualLinks;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo;
import org.onap.so.adapters.etsisol003adapter.lcm.grant.model.InlineResponse201VimConnections;
import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfRequest;
import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.ExternalVirtualLink;
import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.Tenant;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.google.common.reflect.TypeToken;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
/**
* Provides helper methods for interactions with VNFM.
*/
@Service
public class VnfmHelper {
private static final Logger logger = LoggerFactory.getLogger(VnfmHelper.class);
private static final String SEPARATOR = "_";
private final AaiServiceProvider aaiServiceProvider;
private final VnfmAdapterUrlProvider vnfmAdapterUrlProvider;
@Autowired
public VnfmHelper(final AaiServiceProvider aaiServiceProvider,
final VnfmAdapterUrlProvider vnfmAdapterUrlProvider) {
this.aaiServiceProvider = aaiServiceProvider;
this.vnfmAdapterUrlProvider = vnfmAdapterUrlProvider;
}
/**
* Create an {@link InstantiateVnfRequest} to send in an instantiation request to a VNFM.
*
* @param tenant the tenant the request is to be fulfilled on
* @param createVnfRequest the request received by the VNFM adapter
*/
public InstantiateVnfRequest createInstantiateRequest(final Tenant tenant, final CreateVnfRequest createVnfRequest,
final String flavourId) {
final InstantiateVnfRequest instantiateVnfRequest = new InstantiateVnfRequest();
instantiateVnfRequest.setFlavourId(flavourId);
instantiateVnfRequest.setVimConnectionInfo(getVimConnectionInfos(tenant));
instantiateVnfRequest
.setAdditionalParams(getAdditionalParametersAsJsonObject(createVnfRequest.getAdditionalParams()));
instantiateVnfRequest.setExtVirtualLinks(getExternalVirtualLinks(createVnfRequest.getExternalVirtualLinks()));
createVnfRequest.getExternalVirtualLinks();
return instantiateVnfRequest;
}
private List<VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo> getVimConnectionInfos(final Tenant tenant) {
final List<VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo> connectionInfos = new ArrayList<>();
connectionInfos.add(getVimConnectionInfo(tenant));
return connectionInfos;
}
private VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo getVimConnectionInfo(final Tenant tenant) {
final EsrSystemInfo esrSystemInfo =
aaiServiceProvider.invokeGetCloudRegionEsrSystemInfoList(tenant.getCloudOwner(), tenant.getRegionName())
.getEsrSystemInfo().iterator().next();
final VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo vnfInstancesVimConnectionInfo =
new VnfInstancesvnfInstanceIdinstantiateVimConnectionInfo();
final String vimId = createVimId(tenant.getCloudOwner(), tenant.getRegionName());
vnfInstancesVimConnectionInfo.setId(vimId);
vnfInstancesVimConnectionInfo.setVimId(vimId);
vnfInstancesVimConnectionInfo.setVimType(esrSystemInfo.getType());
vnfInstancesVimConnectionInfo.setInterfaceInfo(getInterfaceInfo(esrSystemInfo.getServiceUrl()));
vnfInstancesVimConnectionInfo.setAccessInfo(getAccessInfo(esrSystemInfo, tenant.getTenantId()));
return vnfInstancesVimConnectionInfo;
}
private InterfaceInfo getInterfaceInfo(final String url) {
final InterfaceInfo interfaceInfo = new InterfaceInfo();
interfaceInfo.setIdentityEndPoint(url);
return interfaceInfo;
}
private AccessInfo getAccessInfo(final EsrSystemInfo esrSystemInfo, final String tenantId) {
final AccessInfo accessInfo = new AccessInfo();
accessInfo.setProjectId(tenantId);
accessInfo.setDomainName(esrSystemInfo.getCloudDomain());
final VimCredentials vimCredentials = new VimCredentials();
vimCredentials.setUsername(esrSystemInfo.getUserName());
vimCredentials.setPassword(esrSystemInfo.getPassword());
accessInfo.setCredentials(vimCredentials);
return accessInfo;
}
private String createVimId(final String cloudOwner, final String cloudRegion) {
return cloudOwner + SEPARATOR + cloudRegion;
}
private JsonObject getAdditionalParametersAsJsonObject(final Map<String, String> additionalParameters) {
final JsonObject additionalParametersJsonObject = new JsonObject();
if (additionalParameters != null) {
for (final Map.Entry<String, JsonElement> item : new Gson().toJsonTree(additionalParameters)
.getAsJsonObject().entrySet()) {
additionalParametersJsonObject.add(item.getKey(), item.getValue());
}
} else {
logger.warn("No additional parameters were specified for the operation");
}
return additionalParametersJsonObject;
}
private List<VnfInstancesvnfInstanceIdinstantiateExtVirtualLinks> getExternalVirtualLinks(
final List<ExternalVirtualLink> extVirtualLinks) {
if (extVirtualLinks != null) {
final String extVirtualLinksJsonObject =
new Gson().toJson(extVirtualLinks, new TypeToken<List<ExternalVirtualLink>>() {}.getType());
return new Gson().fromJson(extVirtualLinksJsonObject,
new TypeToken<List<VnfInstancesvnfInstanceIdinstantiateExtVirtualLinks>>() {}.getType());
}
return null;
}
/**
* Create a {@link LccnSubscriptionRequest} to send in an notification subscription request to a VNFM.
*
* @param the ID of the VNF notifications are required for
* @return the request
* @throws GeneralSecurityException
*/
public LccnSubscriptionRequest createNotificationSubscriptionRequest(final String vnfId)
throws GeneralSecurityException {
final LccnSubscriptionRequest lccnSubscriptionRequest = new LccnSubscriptionRequest();
lccnSubscriptionRequest.setAuthentication(getSubscriptionsAuthentication());
lccnSubscriptionRequest.setCallbackUri(vnfmAdapterUrlProvider.getVnfLcmOperationOccurrenceNotificationUrl());
final SubscriptionsFilter filter = new SubscriptionsFilter();
filter.addNotificationTypesItem(NotificationTypesEnum.VNFLCMOPERATIONOCCURRENCENOTIFICATION);
final SubscriptionsFilterVnfInstanceSubscriptionFilter vnfInstanceSubscriptionFilter =
new SubscriptionsFilterVnfInstanceSubscriptionFilter();
vnfInstanceSubscriptionFilter.addVnfInstanceIdsItem(vnfId);
filter.setVnfInstanceSubscriptionFilter(vnfInstanceSubscriptionFilter);
lccnSubscriptionRequest.setFilter(filter);
return lccnSubscriptionRequest;
}
private SubscriptionsAuthentication getSubscriptionsAuthentication() throws GeneralSecurityException {
final SubscriptionsAuthentication authentication = new SubscriptionsAuthentication();
final ImmutablePair<String, String> decrypedAuth = vnfmAdapterUrlProvider.getDecryptAuth();
final SubscriptionsAuthenticationParamsOauth2ClientCredentials oauthParams =
new SubscriptionsAuthenticationParamsOauth2ClientCredentials();
oauthParams.setTokenEndpoint(vnfmAdapterUrlProvider.getOauthTokenUrl());
oauthParams.clientId(decrypedAuth.getLeft());
oauthParams.setClientPassword(decrypedAuth.getRight());
authentication.addAuthTypeItem(AuthTypeEnum.OAUTH2_CLIENT_CREDENTIALS);
authentication.paramsOauth2ClientCredentials(oauthParams);
final SubscriptionsAuthenticationParamsBasic basicAuthParams = new SubscriptionsAuthenticationParamsBasic();
basicAuthParams.setUserName(decrypedAuth.getLeft());
basicAuthParams.setPassword(decrypedAuth.getRight());
authentication.addAuthTypeItem(AuthTypeEnum.BASIC);
authentication.paramsBasic(basicAuthParams);
authentication.addAuthTypeItem(AuthTypeEnum.TLS_CERT);
return authentication;
}
/**
* Get the VIM connections for a tenant
*
* @param tenant the tenant
* @return the VIM connections
*/
public InlineResponse201VimConnections getVimConnections(final Tenant tenant) {
final EsrSystemInfo esrSystemInfo =
aaiServiceProvider.invokeGetCloudRegionEsrSystemInfoList(tenant.getCloudOwner(), tenant.getRegionName())
.getEsrSystemInfo().iterator().next();
final InlineResponse201VimConnections vimConnection = new InlineResponse201VimConnections();
vimConnection.setId(createVimId(tenant.getCloudOwner(), tenant.getRegionName()));
vimConnection.setVimId(vimConnection.getId());
vimConnection.setVimType(esrSystemInfo.getType());
vimConnection.setInterfaceInfo(getInterfaceInfo(esrSystemInfo.getServiceUrl()));
vimConnection.setAccessInfo(getAccessInfo(esrSystemInfo, tenant.getTenantId()));
return vimConnection;
}
}
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