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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2020 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.etsi.sol003.adapter.packagemanagement.subscriptionmanagement;
import static org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.SubscriptionAuthentication.AuthTypeEnum.BASIC;
import static org.slf4j.LoggerFactory.getLogger;
import java.net.URI;
import java.security.GeneralSecurityException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.onap.so.adapters.etsi.sol003.adapter.common.VnfmAdapterUrlProvider;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.EtsiCatalogServiceProvider;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.BasicAuth;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.NsdmSubscription;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.PkgmSubscription;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.model.InlineResponse201;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.model.PkgmSubscriptionRequest;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.model.SubscriptionsLinks;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.model.VnfPackagesLinksSelf;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.rest.exceptions.ConversionFailedException;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.rest.exceptions.InternalServerErrorException;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.rest.exceptions.SubscriptionNotFoundException;
import org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.subscriptionmanagement.cache.PackageManagementCacheServiceProvider;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.convert.ConversionService;
import org.springframework.stereotype.Service;
/**
* Manages package management subscriptions from the VNFMs
*
* @author Ronan Kenny (ronan.kenny@est.tech)
* @author Gareth Roper (gareth.roper@est.tech)
*/
@Service
public class SubscriptionManager {
private static final Logger logger = getLogger(SubscriptionManager.class);
private final PackageManagementCacheServiceProvider packageManagementCacheServiceProvider;
private final ConversionService conversionService;
private final EtsiCatalogServiceProvider etsiCatalogServiceProvider;
private final VnfmAdapterUrlProvider vnfmAdapterUrlProvider;
@Autowired
public SubscriptionManager(final PackageManagementCacheServiceProvider packageManagementCacheServiceProvider,
final ConversionService conversionService, final EtsiCatalogServiceProvider etsiCatalogServiceProvider,
final VnfmAdapterUrlProvider vnfmAdapterUrlProvider) {
this.packageManagementCacheServiceProvider = packageManagementCacheServiceProvider;
this.conversionService = conversionService;
this.etsiCatalogServiceProvider = etsiCatalogServiceProvider;
this.vnfmAdapterUrlProvider = vnfmAdapterUrlProvider;
}
public Optional<InlineResponse201> createSubscription(final PkgmSubscriptionRequest pkgmSubscriptionRequest)
throws GeneralSecurityException {
final org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.PkgmSubscriptionRequest etsiCatalogManagerSubscriptionRequest =
buildEtsiCatalogManagerPkgmSubscriptionRequest(pkgmSubscriptionRequest);
final Optional<PkgmSubscription> optionalEtsiCatalogManagerSubscription =
etsiCatalogServiceProvider.postSubscription(etsiCatalogManagerSubscriptionRequest);
if (optionalEtsiCatalogManagerSubscription.isPresent()) {
final PkgmSubscription etsiCatalogManagerSubscription = optionalEtsiCatalogManagerSubscription.get();
logger.debug("postPkgmSubscriptionRequest Response SubscriptionId: {}",
Objects.requireNonNull(etsiCatalogManagerSubscription.getId()));
final String subscriptionId = etsiCatalogManagerSubscription.getId();
packageManagementCacheServiceProvider.addSubscription(subscriptionId, pkgmSubscriptionRequest);
final InlineResponse201 response = new InlineResponse201();
response.setId(subscriptionId);
response.setFilter(pkgmSubscriptionRequest.getFilter());
response.setCallbackUri(vnfmAdapterUrlProvider.getSubscriptionUriString(subscriptionId));
response.setLinks(new SubscriptionsLinks()
.self(new VnfPackagesLinksSelf().href(getSubscriptionUri(subscriptionId).toString())));
return Optional.of(response);
}
throw new InternalServerErrorException(
"Received empty response from POST to ETSI Catalog Manager Subscription Endpoint.");
}
public Optional<String> getSubscriptionId(final PkgmSubscriptionRequest pkgmSubscriptionRequest) {
return packageManagementCacheServiceProvider.getSubscriptionId(pkgmSubscriptionRequest);
}
public Optional<InlineResponse201> getSubscription(final String subscriptionId) {
logger.debug("Checking if subscrition with id: {} exists in ETSI Catalog Manager", subscriptionId);
final Optional<NsdmSubscription> etsiCatalogSubscriptionOption =
etsiCatalogServiceProvider.getSubscription(subscriptionId);
if (!etsiCatalogSubscriptionOption.isPresent()) {
logger.debug("Unable to find subscription in ETSI Catalog Manager using id: {}", subscriptionId);
if (packageManagementCacheServiceProvider.getSubscription(subscriptionId).isPresent()) {
logger.debug("will remove subcription with id: {} from local cache", subscriptionId);
packageManagementCacheServiceProvider.deleteSubscription(subscriptionId);
}
}
final Optional<PkgmSubscriptionRequest> optional =
packageManagementCacheServiceProvider.getSubscription(subscriptionId);
if (optional.isPresent()) {
final PkgmSubscriptionRequest subscription = optional.get();
return Optional.of(getInlineResponse2002(subscriptionId, subscription));
}
return Optional.empty();
}
public List<InlineResponse201> getSubscriptions() {
final Map<String, PkgmSubscriptionRequest> subscriptions =
packageManagementCacheServiceProvider.getSubscriptions();
final List<InlineResponse201> response = new ArrayList<>();
subscriptions.forEach((key, value) -> {
final Optional<InlineResponse201> optional = getSubscription(key);
if (optional.isPresent()) {
response.add(optional.get());
}
});
return response;
}
public boolean deleteSubscription(final String subscriptionId) {
if (packageManagementCacheServiceProvider.getSubscription(subscriptionId).isPresent()) {
try {
if (etsiCatalogServiceProvider.deleteSubscription(subscriptionId)) {
return packageManagementCacheServiceProvider.deleteSubscription(subscriptionId);
}
} catch (final SubscriptionNotFoundException subscriptionNotFoundException) {
logger.error(
"Unable to find subscription in ETSI Catalog Manager using id: {} will delete it from local cache",
subscriptionId);
return packageManagementCacheServiceProvider.deleteSubscription(subscriptionId);
}
}
return false;
}
public URI getSubscriptionUri(final String subscriptionId) {
return vnfmAdapterUrlProvider.getSubscriptionUri(subscriptionId);
}
public Optional<PkgmSubscriptionRequest> getSubscriptionRequest(final String subscriptionId) {
return packageManagementCacheServiceProvider.getSubscription(subscriptionId);
}
private InlineResponse201 getInlineResponse2002(final String id, final PkgmSubscriptionRequest subscription) {
return new InlineResponse201().id(id).filter(subscription.getFilter())
.callbackUri(subscription.getCallbackUri());
}
private org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.PkgmSubscriptionRequest buildEtsiCatalogManagerPkgmSubscriptionRequest(
final PkgmSubscriptionRequest pkgmSubscriptionRequest) throws GeneralSecurityException {
final org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.PkgmSubscriptionRequest etsiCatalogManagerSubscriptionRequest;
try {
etsiCatalogManagerSubscriptionRequest = conversionService.convert(pkgmSubscriptionRequest,
org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.PkgmSubscriptionRequest.class);
} catch (final org.springframework.core.convert.ConversionException conversionException) {
logger.error(conversionException.getMessage());
throw new ConversionFailedException(
"Could not convert Sol003 PkgmSubscriptionRequest to ETSI-Catalog Manager PkgmSubscriptionRequest");
} catch (final Exception exception) {
logger.error(exception.getMessage());
throw new InternalServerErrorException(
"Could not convert Sol003 PkgmSubscriptionRequest to ETSI-Catalog Manager PkgmSubscriptionRequest");
}
if (etsiCatalogManagerSubscriptionRequest != null) {
etsiCatalogManagerSubscriptionRequest
.setCallbackUri(vnfmAdapterUrlProvider.getEtsiSubscriptionNotificationBaseUrl());
final ImmutablePair<String, String> immutablePair = vnfmAdapterUrlProvider.getDecryptAuth();
if (!immutablePair.equals(ImmutablePair.nullPair())) {
etsiCatalogManagerSubscriptionRequest.setAuthentication(
new org.onap.so.adapters.etsi.sol003.adapter.packagemanagement.extclients.etsicatalog.model.SubscriptionAuthentication()
.addAuthTypeItem(BASIC).paramsBasic(new BasicAuth().userName(immutablePair.getLeft())
.password(immutablePair.getRight())));
}
return etsiCatalogManagerSubscriptionRequest;
}
throw new ConversionFailedException(
"Failed to convert Sol003 PkgmSubscriptionRequest to ETSI-Catalog Manager PkgmSubscriptionRequest");
}
}
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