Add oauth for calls from VNFM adapter to VNFM

Change-Id: I0e6ba16bbeab457ec0c1985e345e26f544434667
Issue-ID: SO-2169
Signed-off-by: MichaelMorris <michael.morris@est.tech>

7 files changed, 150 insertions, 87 deletions

diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProvider.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProvider.java
index 7a0df0fdba..cb8c7c4e56 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProvider.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProvider.java
@@ -21,6 +21,7 @@
 package org.onap.so.adapters.vnfmadapter.extclients.vnfm;
 
 import com.google.common.base.Optional;
+import org.onap.aai.domain.yang.EsrVnfm;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.CreateVnfRequest;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse200;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse2001;
@@ -37,63 +38,67 @@ public interface VnfmServiceProvider {
     /**
      * Invoke a get request for a VNF.
      *
+     * @param vnfm the VNFM in AAI
      * @param vnfSelfLink the link to the VNF in the VNFM
      * @return the VNF from the VNFM
      */
-    Optional<InlineResponse201> getVnf(final String vnfSelfLink);
+    Optional<InlineResponse201> getVnf(final EsrVnfm vnfm, final String vnfSelfLink);
 
     /**
      * Invoke an instantiate request for a VNF.
      *
+     * @param vnfm the VNFM in AAI
      * @param vnfSelfLink the link to he VNF on the VNFM
      * @param instantiateVnfRequest the instantiate request
      * @return the operation ID of the instantiation operation
      */
-    String instantiateVnf(final String vnfSelfLink, final InstantiateVnfRequest instantiateVnfRequest);
+    String instantiateVnf(final EsrVnfm vnfm, final String vnfSelfLink,
+            final InstantiateVnfRequest instantiateVnfRequest);
 
     /**
      * Invoke a notification subscription request to a VNFM.
      *
-     * @param vnfmId the ID of the VNFM
+     * @param vnfm the VNFM in AAI
      * @param subscriptionRequest
      * @return the response to the subscription request
      */
-    InlineResponse2001 subscribeForNotifications(final String vnfmId,
-            final LccnSubscriptionRequest subscriptionRequest);
+    InlineResponse2001 subscribeForNotifications(final EsrVnfm vnfm, final LccnSubscriptionRequest subscriptionRequest);
 
     /**
      * Invoke a terminate request for a VNF.
      *
+     * @param vnfm the VNFM in AAI
      * @param vnfSelfLink the link to he VNF on the VNFM
      * @param terminateVnfRequest the terminate request
      * @return the operation ID of the termination operation
      */
-    String terminateVnf(final String vnfSelfLink, final TerminateVnfRequest terminateVnfRequest);
+    String terminateVnf(final EsrVnfm vnfm, final String vnfSelfLink, final TerminateVnfRequest terminateVnfRequest);
 
     /**
      * Invoke a delete request for a VNF.
      *
+     * @param vnfm the VNFM in AAI
      * @param vnfSelfLink the link to he VNF on the VNFM
      * @return the operation ID of the instantiation operation
      */
-    void deleteVnf(final String vnfSelfLink);
+    void deleteVnf(final EsrVnfm vnfm, final String vnfSelfLink);
 
     /**
      * Invoke a get request for a VNFM operation.
      *
-     * @param vnfmId the id of the VNFM in AAI
+     * @param vnfm the VNFM in AAI
      * @param operationId the id of the operation on the VNFM
      * @return the operation from the VNFM
      */
-    Optional<InlineResponse200> getOperation(final String vnfmId, final String operationId);
+    Optional<InlineResponse200> getOperation(final EsrVnfm vnfm, final String operationId);
 
     /**
      * Invoke a create request to a VNFM
      *
-     * @param vnfmId the id of the VNFM in AAI
+     * @param vnfm the VNFM in AAI
      * @param createVnfRequest the parameters for creating a VNF
      * @return the newly created VNF
      */
-    Optional<InlineResponse201> createVnf(final String vnfmId, final CreateVnfRequest createVnfRequest);
+    Optional<InlineResponse201> createVnf(final EsrVnfm vnfm, final CreateVnfRequest createVnfRequest);
 
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java
index ab631837db..a604f9a6b9 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java
@@ -29,14 +29,19 @@ import java.security.NoSuchAlgorithmException;
 import java.security.cert.CertificateException;
 import java.util.Iterator;
 import java.util.ListIterator;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
 import javax.net.ssl.SSLContext;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.http.client.HttpClient;
 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
 import org.apache.http.impl.client.HttpClients;
 import org.apache.http.ssl.SSLContextBuilder;
+import org.onap.aai.domain.yang.EsrSystemInfo;
+import org.onap.aai.domain.yang.EsrVnfm;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.JSON;
 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
-import org.onap.so.configuration.rest.HttpHeadersProvider;
 import org.onap.so.logging.jaxrs.filter.SpringClientFilter;
 import org.onap.so.rest.service.HttpRestServiceProvider;
 import org.onap.so.rest.service.HttpRestServiceProviderImpl;
@@ -45,7 +50,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.Resource;
 import org.springframework.http.client.ClientHttpRequestInterceptor;
@@ -53,6 +57,8 @@ import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
 import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.http.converter.json.GsonHttpMessageConverter;
 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.security.oauth2.client.OAuth2RestTemplate;
+import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
 import org.springframework.web.client.RestTemplate;
 
 /**
@@ -62,26 +68,63 @@ import org.springframework.web.client.RestTemplate;
 public class VnfmServiceProviderConfiguration {
 
     private static final Logger logger = LoggerFactory.getLogger(VnfmServiceProviderConfiguration.class);
+    private Map<String, HttpRestServiceProvider> mapOfVnfmIdToHttpRestServiceProvider = new ConcurrentHashMap<>();
 
     @Value("${http.client.ssl.trust-store:#{null}}")
-    private Resource keyStore;
+    private Resource trustStore;
     @Value("${http.client.ssl.trust-store-password:#{null}}")
-    private String keyStorePassword;
+    private String trustPassword;
 
-    @Bean(name = "vnfmServiceProvider")
-    public HttpRestServiceProvider httpRestServiceProvider(
-            @Qualifier(CONFIGURABLE_REST_TEMPLATE) @Autowired final RestTemplate restTemplate) {
-        return getHttpRestServiceProvider(restTemplate, new BasicHttpHeadersProvider());
+    /**
+     * This property is only intended to be temporary until the AAI schema is updated to support setting the endpoint
+     */
+    @Value("${vnfmadapter.temp.vnfm.oauth.endpoint:#{null}}")
+    private String oauthEndpoint;
+
+    @Qualifier(CONFIGURABLE_REST_TEMPLATE)
+    @Autowired()
+    private RestTemplate defaultRestTemplate;
+
+    public HttpRestServiceProvider getHttpRestServiceProvider(final EsrVnfm vnfm) {
+        if (!mapOfVnfmIdToHttpRestServiceProvider.containsKey(vnfm.getVnfmId())) {
+            mapOfVnfmIdToHttpRestServiceProvider.put(vnfm.getVnfmId(), createHttpRestServiceProvider(vnfm));
+        }
+        return mapOfVnfmIdToHttpRestServiceProvider.get(vnfm.getVnfmId());
     }
 
-    private HttpRestServiceProvider getHttpRestServiceProvider(final RestTemplate restTemplate,
-            final HttpHeadersProvider httpHeadersProvider) {
+    private HttpRestServiceProvider createHttpRestServiceProvider(final EsrVnfm vnfm) {
+        final RestTemplate restTemplate = createRestTemplate(vnfm);
         setGsonMessageConverter(restTemplate);
-        if (keyStore != null) {
+        if (trustStore != null) {
             setTrustStore(restTemplate);
         }
         removeSpringClientFilter(restTemplate);
-        return new HttpRestServiceProviderImpl(restTemplate, httpHeadersProvider);
+        return new HttpRestServiceProviderImpl(restTemplate, new BasicHttpHeadersProvider());
+    }
+
+    private RestTemplate createRestTemplate(final EsrVnfm vnfm) {
+        if (vnfm != null) {
+            for (final EsrSystemInfo esrSystemInfo : vnfm.getEsrSystemInfoList().getEsrSystemInfo()) {
+                if (!StringUtils.isEmpty(esrSystemInfo.getUserName())
+                        && !StringUtils.isEmpty(esrSystemInfo.getPassword())) {
+                    return createOAuth2RestTemplate(esrSystemInfo);
+                }
+            }
+        }
+        return defaultRestTemplate;
+    }
+
+    private OAuth2RestTemplate createOAuth2RestTemplate(final EsrSystemInfo esrSystemInfo) {
+        logger.debug("Getting OAuth2RestTemplate ...");
+        final ClientCredentialsResourceDetails resourceDetails = new ClientCredentialsResourceDetails();
+        resourceDetails.setId(UUID.randomUUID().toString());
+        resourceDetails.setClientId(esrSystemInfo.getUserName());
+        resourceDetails.setClientSecret(esrSystemInfo.getPassword());
+        resourceDetails.setAccessTokenUri(
+                oauthEndpoint == null ? esrSystemInfo.getServiceUrl().replace("vnflcm/v1", "oauth/token")
+                        : oauthEndpoint);
+        resourceDetails.setGrantType("client_credentials");
+        return new OAuth2RestTemplate(resourceDetails);
     }
 
     private void setGsonMessageConverter(final RestTemplate restTemplate) {
@@ -98,9 +141,9 @@ public class VnfmServiceProviderConfiguration {
     private void setTrustStore(final RestTemplate restTemplate) {
         SSLContext sslContext;
         try {
-            sslContext = new SSLContextBuilder().loadTrustMaterial(keyStore.getURL(), keyStorePassword.toCharArray())
-                    .build();
-            logger.info("Setting truststore: {}", keyStore.getURL());
+            sslContext =
+                    new SSLContextBuilder().loadTrustMaterial(trustStore.getURL(), trustPassword.toCharArray()).build();
+            logger.info("Setting truststore: {}", trustStore.getURL());
             final SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(sslContext);
             final HttpClient httpClient = HttpClients.custom().setSSLSocketFactory(socketFactory).build();
             final HttpComponentsClientHttpRequestFactory factory =
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderImpl.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderImpl.java
index c470008d08..948f5fc269 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderImpl.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderImpl.java
@@ -21,6 +21,7 @@
 package org.onap.so.adapters.vnfmadapter.extclients.vnfm;
 
 import com.google.common.base.Optional;
+import org.onap.aai.domain.yang.EsrVnfm;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.CreateVnfRequest;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse200;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse2001;
@@ -33,7 +34,6 @@ import org.onap.so.rest.service.HttpRestServiceProvider;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
@@ -42,28 +42,29 @@ import org.springframework.stereotype.Service;
 public class VnfmServiceProviderImpl implements VnfmServiceProvider {
     private static final Logger logger = LoggerFactory.getLogger(VnfmServiceProviderImpl.class);
 
-    private final HttpRestServiceProvider httpServiceProvider;
+    private final VnfmServiceProviderConfiguration vnfmServiceProviderConfiguration;
     private final VnfmUrlProvider urlProvider;
 
     @Autowired
     public VnfmServiceProviderImpl(final VnfmUrlProvider urlProvider,
-            @Qualifier("vnfmServiceProvider") final HttpRestServiceProvider httpServiceProvider) {
-        this.httpServiceProvider = httpServiceProvider;
+            VnfmServiceProviderConfiguration vnfmServiceProviderConfiguration) {
+        this.vnfmServiceProviderConfiguration = vnfmServiceProviderConfiguration;
         this.urlProvider = urlProvider;
     }
 
     @Override
-    public Optional<InlineResponse201> getVnf(final String vnfSelfLink) {
-        return httpServiceProvider.get(vnfSelfLink, InlineResponse201.class);
+    public Optional<InlineResponse201> getVnf(final EsrVnfm vnfm, final String vnfSelfLink) {
+        return getHttpServiceProvider(vnfm).get(vnfSelfLink, InlineResponse201.class);
     }
 
     @Override
-    public String instantiateVnf(final String vnfSelfLink, final InstantiateVnfRequest instantiateVnfRequest) {
+    public String instantiateVnf(final EsrVnfm vnfm, final String vnfSelfLink,
+            final InstantiateVnfRequest instantiateVnfRequest) {
         logger.debug("Sending instantiate request " + instantiateVnfRequest + " to : " + vnfSelfLink);
 
         ResponseEntity<Void> response = null;
         try {
-            response = httpServiceProvider.postHttpRequest(instantiateVnfRequest, vnfSelfLink + "/instantiate",
+            response = getHttpServiceProvider(vnfm).postHttpRequest(instantiateVnfRequest, vnfSelfLink + "/instantiate",
                     Void.class);
         } catch (final Exception exception) {
             final String errorMessage =
@@ -82,22 +83,22 @@ public class VnfmServiceProviderImpl implements VnfmServiceProvider {
     }
 
     @Override
-    public InlineResponse2001 subscribeForNotifications(final String vnfmId,
+    public InlineResponse2001 subscribeForNotifications(final EsrVnfm vnfm,
             final LccnSubscriptionRequest subscriptionRequest) {
         logger.info("Subscribing for notifications {}", subscriptionRequest);
-        final String url = urlProvider.getSubscriptionsUrl(vnfmId);
+        final String url = urlProvider.getSubscriptionsUrl(vnfm.getVnfmId());
         ResponseEntity<InlineResponse2001> response = null;
         try {
-            response = httpServiceProvider.postHttpRequest(subscriptionRequest, url, InlineResponse2001.class);
+            response = getHttpServiceProvider(vnfm).postHttpRequest(subscriptionRequest, url, InlineResponse2001.class);
             logger.info("Subscribing for notifications response {}", response);
         } catch (final Exception exception) {
             final String errorMessage =
-                    "Subscription to VNFM " + vnfmId + " resulted in exception" + subscriptionRequest;
+                    "Subscription to VNFM " + vnfm.getVnfmId() + " resulted in exception" + subscriptionRequest;
             logger.error(errorMessage, exception);
             throw new VnfmRequestFailureException(errorMessage, exception);
         }
         if (response.getStatusCode() != HttpStatus.CREATED) {
-            final String errorMessage = "Subscription to VNFM " + vnfmId + " returned status code: "
+            final String errorMessage = "Subscription to VNFM " + vnfm.getVnfmId() + " returned status code: "
                     + response.getStatusCode() + ", request: " + subscriptionRequest;
             logger.error(errorMessage);
             throw new VnfmRequestFailureException(errorMessage);
@@ -106,12 +107,14 @@ public class VnfmServiceProviderImpl implements VnfmServiceProvider {
     }
 
     @Override
-    public String terminateVnf(final String vnfSelfLink, final TerminateVnfRequest terminateVnfRequest) {
+    public String terminateVnf(final EsrVnfm vnfm, final String vnfSelfLink,
+            final TerminateVnfRequest terminateVnfRequest) {
         logger.debug("Sending terminate request " + terminateVnfRequest + " to : " + vnfSelfLink);
 
         ResponseEntity<Void> response = null;
         try {
-            response = httpServiceProvider.postHttpRequest(terminateVnfRequest, vnfSelfLink + "/terminate", Void.class);
+            response = getHttpServiceProvider(vnfm).postHttpRequest(terminateVnfRequest, vnfSelfLink + "/terminate",
+                    Void.class);
         } catch (final Exception exception) {
             final String errorMessage =
                     "Terminate request to " + vnfSelfLink + " resulted in exception" + terminateVnfRequest;
@@ -130,9 +133,9 @@ public class VnfmServiceProviderImpl implements VnfmServiceProvider {
     }
 
     @Override
-    public void deleteVnf(final String vnfSelfLink) {
+    public void deleteVnf(final EsrVnfm vnfm, final String vnfSelfLink) {
         logger.debug("Sending delete request to : " + vnfSelfLink);
-        final ResponseEntity<Void> response = httpServiceProvider.deleteHttpRequest(vnfSelfLink, Void.class);
+        final ResponseEntity<Void> response = getHttpServiceProvider(vnfm).deleteHttpRequest(vnfSelfLink, Void.class);
         if (response.getStatusCode() != HttpStatus.NO_CONTENT) {
             throw new VnfmRequestFailureException(
                     "Delete request to " + vnfSelfLink + " return status code: " + response.getStatusCode());
@@ -140,23 +143,27 @@ public class VnfmServiceProviderImpl implements VnfmServiceProvider {
     }
 
     @Override
-    public Optional<InlineResponse200> getOperation(final String vnfmId, final String operationId) {
-        final String url = urlProvider.getOperationUrl(vnfmId, operationId);
-        return httpServiceProvider.get(url, InlineResponse200.class);
+    public Optional<InlineResponse200> getOperation(final EsrVnfm vnfm, final String operationId) {
+        final String url = urlProvider.getOperationUrl(vnfm.getVnfmId(), operationId);
+        return getHttpServiceProvider(vnfm).get(url, InlineResponse200.class);
     }
 
     @Override
-    public Optional<InlineResponse201> createVnf(final String vnfmId, final CreateVnfRequest createVnfRequest) {
-        final String url = urlProvider.getCreationUrl(vnfmId);
+    public Optional<InlineResponse201> createVnf(final EsrVnfm vnfm, final CreateVnfRequest createVnfRequest) {
+        final String url = urlProvider.getCreationUrl(vnfm.getVnfmId());
         logger.debug("Sending create request {} to : {}", createVnfRequest, url);
         try {
-            return httpServiceProvider.post(createVnfRequest, url, InlineResponse201.class);
+            return getHttpServiceProvider(vnfm).post(createVnfRequest, url, InlineResponse201.class);
         } catch (final Exception exception) {
             final String errorMessage =
-                    "Create request to vnfm:" + vnfmId + " resulted in exception" + createVnfRequest;
+                    "Create request to vnfm:" + vnfm.getVnfmId() + " resulted in exception" + createVnfRequest;
             logger.error(errorMessage, exception);
             throw new VnfmRequestFailureException(errorMessage, exception);
         }
     }
 
+    private HttpRestServiceProvider getHttpServiceProvider(final EsrVnfm vnfm) {
+        return vnfmServiceProviderConfiguration.getHttpRestServiceProvider(vnfm);
+    }
+
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/jobmanagement/JobManager.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/jobmanagement/JobManager.java
index 537bb77b32..19c8d22030 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/jobmanagement/JobManager.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/jobmanagement/JobManager.java
@@ -25,6 +25,7 @@ import com.google.common.base.Optional;
 import com.google.common.collect.Maps;
 import java.util.Map;
 import java.util.UUID;
+import org.onap.so.adapters.vnfmadapter.extclients.aai.AaiServiceProvider;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.VnfmServiceProvider;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse200;
 import org.onap.so.adapters.vnfmadapter.rest.exceptions.JobNotFoundException;
@@ -45,10 +46,12 @@ public class JobManager {
     private static Logger logger = getLogger(JobManager.class);
     private final Map<String, VnfmOperation> mapOfJobIdToVnfmOperation = Maps.newConcurrentMap();
     private final VnfmServiceProvider vnfmServiceProvider;
+    private final AaiServiceProvider aaiServiceProvider;
 
     @Autowired
-    JobManager(final VnfmServiceProvider vnfmServiceProvider) {
+    JobManager(final VnfmServiceProvider vnfmServiceProvider, final AaiServiceProvider aaiServiceProvider) {
         this.vnfmServiceProvider = vnfmServiceProvider;
+        this.aaiServiceProvider = aaiServiceProvider;
     }
 
     /**
@@ -90,8 +93,8 @@ public class JobManager {
         }
 
         try {
-            final Optional<InlineResponse200> operationOptional =
-                    vnfmServiceProvider.getOperation(vnfmOperation.getVnfmId(), vnfmOperation.getOperationId());
+            final Optional<InlineResponse200> operationOptional = vnfmServiceProvider.getOperation(
+                    aaiServiceProvider.invokeGetVnfm(vnfmOperation.getVnfmId()), vnfmOperation.getOperationId());
 
             if (!operationOptional.isPresent()) {
                 return response.operationStatusRetrievalStatus(OperationStatusRetrievalStatusEnum.OPERATION_NOT_FOUND);
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/lifecycle/LifecycleManager.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/lifecycle/LifecycleManager.java
index fa2fa30b4a..0aad91e5be 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/lifecycle/LifecycleManager.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/lifecycle/LifecycleManager.java
@@ -82,16 +82,15 @@ public class LifecycleManager {
      */
     public CreateVnfResponse createVnf(final String vnfIdInAai, final CreateVnfRequest request) {
         final GenericVnf genericVnf = getGenericVnfFromAai(vnfIdInAai);
-        checkIfVnfAlreadyExistsInVnfm(genericVnf);
-
         EsrVnfm vnfm = aaiHelper.getAssignedVnfm(genericVnf);
+        checkIfVnfAlreadyExistsInVnfm(vnfm, genericVnf);
+
         if (vnfm == null) {
             vnfm = aaiHelper.selectVnfm(genericVnf);
             aaiHelper.addRelationshipFromGenericVnfToVnfm(genericVnf, vnfm.getVnfmId());
         }
         aaiHelper.addRelationshipFromGenericVnfToTenant(genericVnf, request.getTenant());
-        final InlineResponse201 vnfmResponse =
-                sendCreateRequestToVnfm(request, genericVnf, vnfIdInAai, vnfm.getVnfmId());
+        final InlineResponse201 vnfmResponse = sendCreateRequestToVnfm(request, genericVnf, vnfIdInAai, vnfm);
 
         logger.info("Create response: {}", vnfmResponse);
 
@@ -102,8 +101,8 @@ public class LifecycleManager {
         final OamIpAddressSource oamIpAddressSource = extractOamIpAddressSource(request);
         aaiHelper.setOamIpAddressSource(vnfIdInVnfm, oamIpAddressSource);
 
-        createNotificationSubscription(vnfm.getVnfmId(), vnfIdInVnfm);
-        final String operationId = sendInstantiateRequestToVnfm(vnfm, genericVnf, request, vnfIdInAai, vnfIdInVnfm);
+        createNotificationSubscription(vnfm, vnfIdInVnfm);
+        final String operationId = sendInstantiateRequestToVnfm(vnfm, genericVnf, request);
 
         final String jobId = jobManager.createJob(vnfm.getVnfmId(), operationId, false);
         final CreateVnfResponse response = new CreateVnfResponse();
@@ -133,11 +132,11 @@ public class LifecycleManager {
         }
     }
 
-    private void checkIfVnfAlreadyExistsInVnfm(final GenericVnf genericVnf) {
-        if (genericVnf.getSelflink() != null && !genericVnf.getSelflink().isEmpty()) {
+    private void checkIfVnfAlreadyExistsInVnfm(final EsrVnfm vnfm, final GenericVnf genericVnf) {
+        if (genericVnf.getSelflink() != null && !genericVnf.getSelflink().isEmpty() && vnfm != null) {
             Optional<InlineResponse201> response = Optional.absent();
             try {
-                response = vnfmServiceProvider.getVnf(genericVnf.getSelflink());
+                response = vnfmServiceProvider.getVnf(vnfm, genericVnf.getSelflink());
             } catch (final Exception exception) {
                 logger.debug("Ignoring invalid self link in generic vnf", exception);
             }
@@ -149,7 +148,7 @@ public class LifecycleManager {
     }
 
     private InlineResponse201 sendCreateRequestToVnfm(final CreateVnfRequest aaiRequest, final GenericVnf genericVnf,
-            final String vnfIdInAai, final String vnfmId) {
+            final String vnfIdInAai, final EsrVnfm vnfm) {
         logger.debug("Sending a create request to SVNFM " + aaiRequest);
         final org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.CreateVnfRequest vnfmRequest =
                 new org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.CreateVnfRequest();
@@ -159,7 +158,7 @@ public class LifecycleManager {
         vnfmRequest.setVnfInstanceName(aaiRequest.getName().replaceAll(" ", "_"));
         vnfmRequest.setVnfInstanceDescription(vnfIdInAai);
 
-        final Optional<InlineResponse201> optionalResponse = vnfmServiceProvider.createVnf(vnfmId, vnfmRequest);
+        final Optional<InlineResponse201> optionalResponse = vnfmServiceProvider.createVnf(vnfm, vnfmRequest);
 
         try {
             return optionalResponse.get();
@@ -170,24 +169,24 @@ public class LifecycleManager {
         }
     }
 
-    private void createNotificationSubscription(final String vnfmId, final String vnfId) {
+    private void createNotificationSubscription(final EsrVnfm vnfm, final String vnfId) {
         try {
             final LccnSubscriptionRequest subscriptionRequest = vnfmHelper.createNotificationSubscriptionRequest(vnfId);
-            vnfmServiceProvider.subscribeForNotifications(vnfmId, subscriptionRequest);
+            vnfmServiceProvider.subscribeForNotifications(vnfm, subscriptionRequest);
         } catch (final Exception exception) {
-            logger.warn("Subscription for notifications to VNFM: " + vnfmId + " for VNF " + vnfId
+            logger.warn("Subscription for notifications to VNFM: " + vnfm.getVnfmId() + " for VNF " + vnfId
                     + " failed. AAI will not be updated unless the VNFM is configured by other means to send notifications relating to this VNF",
                     exception);
         }
     }
 
     private String sendInstantiateRequestToVnfm(final EsrVnfm vnfm, final GenericVnf genericVnf,
-            final CreateVnfRequest createVnfRequest, final String vnfIdInAai, final String vnfIdInVnfm) {
+            final CreateVnfRequest createVnfRequest) {
 
         final InstantiateVnfRequest instantiateVnfRequest =
                 vnfmHelper.createInstantiateRequest(createVnfRequest.getTenant(), createVnfRequest,
                         packageProvider.getFlavourId(genericVnf.getModelVersionId()));
-        final String jobId = vnfmServiceProvider.instantiateVnf(genericVnf.getSelflink(), instantiateVnfRequest);
+        final String jobId = vnfmServiceProvider.instantiateVnf(vnfm, genericVnf.getSelflink(), instantiateVnfRequest);
 
         logger.info("Instantiate VNF request successfully sent to " + genericVnf.getSelflink());
         return jobId;
@@ -201,18 +200,18 @@ public class LifecycleManager {
      */
     public DeleteVnfResponse deleteVnf(final String vnfIdInAai) {
         final GenericVnf genericVnf = getGenericVnfFromAai(vnfIdInAai);
-        final String vnfmId = getIdOfAssignedVnfm(genericVnf);
+        final EsrVnfm vnfm = getAssignedVnfm(genericVnf);
 
-        final String operationId = sendTerminateRequestToVnfm(genericVnf);
-        final String jobId = jobManager.createJob(vnfmId, operationId, true);
+        final String operationId = sendTerminateRequestToVnfm(vnfm, genericVnf);
+        final String jobId = jobManager.createJob(vnfm.getVnfmId(), operationId, true);
 
         return new DeleteVnfResponse().jobId(jobId);
     }
 
-    private String sendTerminateRequestToVnfm(final GenericVnf genericVnf) {
+    private String sendTerminateRequestToVnfm(final EsrVnfm vnfm, final GenericVnf genericVnf) {
         final TerminateVnfRequest terminateVnfRequest = new TerminateVnfRequest();
         terminateVnfRequest.setTerminationType(TerminationTypeEnum.FORCEFUL);
-        return vnfmServiceProvider.terminateVnf(genericVnf.getSelflink(), terminateVnfRequest);
+        return vnfmServiceProvider.terminateVnf(vnfm, genericVnf.getSelflink(), terminateVnfRequest);
     }
 
     private GenericVnf getGenericVnfFromAai(final String vnfIdInAai) {
@@ -224,11 +223,11 @@ public class LifecycleManager {
         return genericVnf;
     }
 
-    private String getIdOfAssignedVnfm(final GenericVnf genericVnf) {
-        final String vnfmId = aaiHelper.getIdOfAssignedVnfm(genericVnf);
-        if (vnfmId == null) {
+    private EsrVnfm getAssignedVnfm(final GenericVnf genericVnf) {
+        final EsrVnfm vnfm = aaiHelper.getAssignedVnfm(genericVnf);
+        if (vnfm == null) {
             throw new VnfmNotFoundException("No VNFM found in AAI for VNF " + genericVnf.getVnfId());
         }
-        return vnfmId;
+        return vnfm;
     }
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/notificationhandling/NotificationHandler.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/notificationhandling/NotificationHandler.java
index 93c7ea91ff..eb912c8775 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/notificationhandling/NotificationHandler.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/notificationhandling/NotificationHandler.java
@@ -156,7 +156,7 @@ public class NotificationHandler implements Runnable {
 
         boolean deleteSuccessful = false;
         try {
-            vnfmServiceProvider.deleteVnf(genericVnf.getSelflink());
+            vnfmServiceProvider.deleteVnf(aaiHelper.getAssignedVnfm(genericVnf), genericVnf.getSelflink());
             deleteSuccessful = true;
         } finally {
             jobManager.notificationProcessedForOperation(vnfLcmOperationOccurrenceNotification.getVnfLcmOpOccId(),
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003LcnContoller.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003LcnContoller.java
index 9cb09e6261..f97822a0cd 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003LcnContoller.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003LcnContoller.java
@@ -20,6 +20,14 @@
 
 package org.onap.so.adapters.vnfmadapter.rest;
 
+import static org.onap.so.adapters.vnfmadapter.Constants.BASE_URL;
+import static org.onap.so.adapters.vnfmadapter.Constants.OPERATION_NOTIFICATION_ENDPOINT;
+import static org.slf4j.LoggerFactory.getLogger;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import javax.ws.rs.core.MediaType;
+import org.onap.aai.domain.yang.EsrVnfm;
+import org.onap.aai.domain.yang.GenericVnf;
 import org.onap.so.adapters.vnfmadapter.extclients.aai.AaiHelper;
 import org.onap.so.adapters.vnfmadapter.extclients.aai.AaiServiceProvider;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.VnfmServiceProvider;
@@ -39,12 +47,6 @@ import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
-import javax.ws.rs.core.MediaType;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import static org.onap.so.adapters.vnfmadapter.Constants.BASE_URL;
-import static org.onap.so.adapters.vnfmadapter.Constants.OPERATION_NOTIFICATION_ENDPOINT;
-import static org.slf4j.LoggerFactory.getLogger;
 
 /**
  * Controller for handling notifications from the VNFM (Virtual Network Function Manager).
@@ -118,8 +120,12 @@ public class Sol003LcnContoller {
 
     private InlineResponse201 getVnfInstance(
             final VnfLcmOperationOccurrenceNotification vnfLcmOperationOccurrenceNotification) {
-        return vnfmServiceProvider.getVnf(vnfLcmOperationOccurrenceNotification.getLinks().getVnfInstance().getHref())
-                .get();
+        GenericVnf vnfInAai = aaiServiceProvider
+                .invokeQueryGenericVnf(vnfLcmOperationOccurrenceNotification.getLinks().getVnfInstance().getHref())
+                .getGenericVnf().get(0);
+        EsrVnfm vnfm = aaiHelper.getAssignedVnfm(vnfInAai);
+        return vnfmServiceProvider
+                .getVnf(vnfm, vnfLcmOperationOccurrenceNotification.getLinks().getVnfInstance().getHref()).get();
     }
 
 }