plans/so/integration-etsi-testing/so-simulators/vnfm-simulator/vnfm-service/src/main/java/org/onap/so/svnfm/simulator/services/OperationProgressor.java

   1 package org.onap.so.svnfm.simulator.services;
   2
   3 import com.google.gson.JsonObject;
   4 import com.google.gson.JsonParser;
   5 import java.io.BufferedReader;
   6 import java.io.IOException;
   7 import java.io.InputStream;
   8 import java.io.InputStreamReader;
   9 import java.net.URL;
  10 import java.nio.charset.StandardCharsets;
  11 import java.security.KeyStore;
  12 import java.security.KeyStoreException;
  13 import java.security.NoSuchAlgorithmException;
  14 import java.security.UnrecoverableKeyException;
  15 import java.security.cert.CertificateException;
  16 import java.util.ArrayList;
  17 import java.util.List;
  18 import java.util.UUID;
  19 import javax.net.ssl.HttpsURLConnection;
  20 import javax.net.ssl.KeyManager;
  21 import javax.net.ssl.KeyManagerFactory;
  22 import javax.ws.rs.core.MediaType;
  23 import org.apache.commons.codec.binary.Base64;
  24 import org.modelmapper.ModelMapper;
  25 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiResponse;
  26 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantRequest;
  27 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantsAddResources;
  28 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantsLinks;
  29 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantsLinksVnfLcmOpOcc;
  30 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.InlineResponse201;
  31 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.ApiClient;
  32 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.ApiException;
  33 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.api.DefaultApi;
  34 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs;
  35 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs.ChangeTypeEnum;
  36 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationLinks;
  37 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance;
  38 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification;
  39 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.NotificationStatusEnum;
  40 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.NotificationTypeEnum;
  41 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.OperationEnum;
  42 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.model.VnfLcmOperationOccurrenceNotification.OperationStateEnum;
  43 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse200;
  44 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201InstantiatedVnfInfoVnfcResourceInfo;
  45 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthenticationParamsBasic;
  46 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthenticationParamsOauth2ClientCredentials;
  47 import org.onap.so.svnfm.simulator.model.Vnfds;
  48 import org.onap.so.svnfm.simulator.repository.VnfOperationRepository;
  49 import org.onap.so.svnfm.simulator.config.ApplicationConfig;
  50 import org.onap.so.svnfm.simulator.model.VnfOperation;
  51 import org.slf4j.Logger;
  52 import org.slf4j.LoggerFactory;
  53 import org.springframework.core.io.ClassPathResource;
  54 import org.springframework.core.io.Resource;
  55
  56 public abstract class OperationProgressor implements Runnable {
  57
  58     private static final Logger LOGGER = LoggerFactory.getLogger(OperationProgressor.class);
  59     private static final String CERTIFICATE_TO_TRUST = "so-vnfm-adapter.crt.pem";
  60
  61     private Resource keyStoreResource = new ClassPathResource("so-vnfm-simulator.p12");
  62     private String keyStorePassword = "7Em3&j4.19xYiMelhD5?xbQ.";
  63
  64     protected final VnfOperation operation;
  65     protected final SvnfmService svnfmService;
  66     private final VnfOperationRepository vnfOperationRepository;
  67     private final ApplicationConfig applicationConfig;
  68     protected final Vnfds vnfds;
  69     private final SubscriptionService subscriptionService;
  70     private final DefaultApi notificationClient;
  71     private final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.api.DefaultApi grantClient;
  72
  73     public OperationProgressor(final VnfOperation operation, final SvnfmService svnfmService,
  74             final VnfOperationRepository vnfOperationRepository, final ApplicationConfig applicationConfig,
  75             final Vnfds vnfds, final SubscriptionService subscriptionService) {
  76         this.operation = operation;
  77         this.svnfmService = svnfmService;
  78         this.vnfOperationRepository = vnfOperationRepository;
  79         this.applicationConfig = applicationConfig;
  80         this.vnfds = vnfds;
  81         this.subscriptionService = subscriptionService;
  82
  83         final ApiClient apiClient = new ApiClient();
  84         String callBackUrl = subscriptionService.getSubscriptions().iterator().next().getCallbackUri();
  85         callBackUrl = callBackUrl.substring(0, callBackUrl.indexOf("/lcn/"));
  86         apiClient.setBasePath(callBackUrl);
  87         apiClient.setKeyManagers(getKeyManagers());
  88         apiClient.setSslCaCert(getCertificateToTrust());
  89         notificationClient = new DefaultApi(apiClient);
  90
  91         final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiClient grantApiClient =
  92                 new org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiClient();
  93         grantApiClient.setBasePath(callBackUrl);
  94         grantApiClient.setKeyManagers(getKeyManagers());
  95         grantApiClient.setSslCaCert(getCertificateToTrust());
  96         grantClient = new org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.api.DefaultApi(grantApiClient);
  97     }
  98
  99     private InputStream getCertificateToTrust() {
 100         try {
 101             return new ClassPathResource(CERTIFICATE_TO_TRUST).getInputStream();
 102         } catch (final IOException exception) {
 103             LOGGER.error("Error reading certificate to trust, https calls to VNFM adapter will fail", exception);
 104             return null;
 105         }
 106     }
 107
 108     private KeyManager[] getKeyManagers() {
 109         KeyStore keystore;
 110         try {
 111             keystore = KeyStore.getInstance("pkcs12");
 112             keystore.load(keyStoreResource.getInputStream(), keyStorePassword.toCharArray());
 113             KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance("SunX509");
 114             keyManagerFactory.init(keystore, keyStorePassword.toCharArray());
 115             return keyManagerFactory.getKeyManagers();
 116         } catch (KeyStoreException | NoSuchAlgorithmException | CertificateException | IOException
 117                 | UnrecoverableKeyException exception) {
 118             LOGGER.error("Error reading certificate, https calls using two way TLS to VNFM adapter will fail",
 119                     exception);
 120             return new KeyManager[0];
 121         }
 122     }
 123
 124     @Override
 125     public void run() {
 126         try {
 127             final VnfLcmOperationOccurrenceNotification notificationOfStarting =
 128                     buildNotification(NotificationStatusEnum.START, OperationStateEnum.STARTING);
 129             sendNotification(notificationOfStarting);
 130
 131             sleep(2000);
 132             setState(InlineResponse200.OperationStateEnum.PROCESSING);
 133             final VnfLcmOperationOccurrenceNotification notificationOfProcessing =
 134                     buildNotification(NotificationStatusEnum.START, OperationStateEnum.PROCESSING);
 135             sendNotification(notificationOfProcessing);
 136
 137
 138             final GrantRequest grantRequest = buildGrantRequest();
 139             final InlineResponse201 grantResponse = sendGrantRequest(grantRequest);
 140             final List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> vnfcs = handleGrantResponse(grantResponse);
 141
 142             svnfmService.getVnf(operation.getVnfInstanceId()).getInstantiatedVnfInfo();
 143
 144             sleep(10000);
 145             setState(InlineResponse200.OperationStateEnum.COMPLETED);
 146             final VnfLcmOperationOccurrenceNotification notificationOfCompleted =
 147                     buildNotification(NotificationStatusEnum.RESULT, OperationStateEnum.COMPLETED);
 148             notificationOfCompleted.setAffectedVnfcs(getVnfcs(vnfcs));
 149
 150             sendNotification(notificationOfCompleted);
 151         } catch (final Exception exception) {
 152             LOGGER.error("Error in OperationProgressor ", exception);
 153         }
 154
 155     }
 156
 157     private void sleep(final long milliSeconds) {
 158         try {
 159             Thread.sleep(milliSeconds);
 160         } catch (final InterruptedException e) {
 161             operation.setOperationState(InlineResponse200.OperationStateEnum.FAILED);
 162             // Restore interrupted state
 163             Thread.currentThread().interrupt();
 164         }
 165     }
 166
 167     private void setState(final InlineResponse200.OperationStateEnum state) {
 168         LOGGER.info("Setting state to {} for operation {}", state, operation.getId());
 169         operation.setOperationState(state);
 170         vnfOperationRepository.save(operation);
 171     }
 172
 173     private VnfLcmOperationOccurrenceNotification buildNotification(final NotificationStatusEnum status,
 174             final OperationStateEnum operationState) {
 175         final VnfLcmOperationOccurrenceNotification notification = new VnfLcmOperationOccurrenceNotification();
 176         notification.setId(UUID.randomUUID().toString());
 177         notification.setNotificationType(NotificationTypeEnum.VNFLCMOPERATIONOCCURRENCENOTIFICATION);
 178         notification.setNotificationStatus(status);
 179         notification.setOperationState(operationState);
 180         notification.setOperation(OperationEnum.fromValue(operation.getOperation().toString()));
 181         notification.setVnfInstanceId(operation.getVnfInstanceId());
 182         notification.setVnfLcmOpOccId(operation.getId());
 183
 184         final LcnVnfLcmOperationOccurrenceNotificationLinks links = new LcnVnfLcmOperationOccurrenceNotificationLinks();
 185         final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance vnfInstanceLink =
 186                 new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
 187         vnfInstanceLink.setHref(getVnfLink());
 188         links.setVnfInstance(vnfInstanceLink);
 189
 190
 191         final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance operationLink =
 192                 new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
 193         operationLink.setHref(getOperationLink());
 194         links.setVnfLcmOpOcc(operationLink);
 195
 196         notification.setLinks(links);
 197
 198         return notification;
 199     }
 200
 201     private List<LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs> getVnfcs(
 202             final List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> instantiatedVnfcs) {
 203         final List<LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs> vnfcs = new ArrayList<>();
 204         if (instantiatedVnfcs != null) {
 205             for (final InlineResponse201InstantiatedVnfInfoVnfcResourceInfo instantiatedVnfc : instantiatedVnfcs) {
 206                 LOGGER.info("VNFC TO BE CONVERTED: {}", instantiatedVnfc);
 207                 final ModelMapper mapper = new ModelMapper();
 208                 final LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs vnfc =
 209                         mapper.map(instantiatedVnfc, LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs.class);
 210                 LOGGER.info("VNFC FROM CONVERSION: {}", vnfc);
 211                 vnfc.setChangeType(getVnfcChangeType());
 212                 vnfcs.add(vnfc);
 213             }
 214         }
 215         return vnfcs;
 216     }
 217
 218     private void sendNotification(final VnfLcmOperationOccurrenceNotification notification) {
 219         LOGGER.info("Sending notification: {}", notification);
 220         try {
 221             final SubscriptionsAuthenticationParamsBasic subscriptionAuthentication =
 222                     subscriptionService.getSubscriptions().iterator().next().getAuthentication().getParamsBasic();
 223             final String auth =
 224                     subscriptionAuthentication.getUserName() + ":" + subscriptionAuthentication.getPassword();
 225             final byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.ISO_8859_1));
 226             String authHeader = "Basic " + new String(encodedAuth);
 227
 228             notificationClient.lcnVnfLcmOperationOccurrenceNotificationPostWithHttpInfo(notification,
 229                     MediaType.APPLICATION_JSON, authHeader);
 230         } catch (final ApiException exception) {
 231             LOGGER.error("Error sending notification: " + notification, exception);
 232             LOGGER.error("Response code: {}, body: {}, basePath: {}", exception.getCode(), exception.getResponseBody(),
 233                     notificationClient.getApiClient().getBasePath());
 234
 235         }
 236     }
 237
 238
 239     public GrantRequest buildGrantRequest() {
 240         final GrantRequest grantRequest = new GrantRequest();
 241         grantRequest.setVnfInstanceId(operation.getVnfInstanceId());
 242         final String vnfdId = svnfmService.getVnf(operation.getVnfInstanceId()).getVnfdId();
 243         grantRequest.setVnfdId(vnfdId);
 244         grantRequest.setAddResources(getAddResources(vnfdId));
 245         grantRequest.setRemoveResources(getRemoveResources(vnfdId));
 246         grantRequest.setVnfLcmOpOccId(operation.getId());
 247         grantRequest
 248                 .setOperation(org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantRequest.OperationEnum
 249                         .fromValue(operation.getOperation().getValue()));
 250         grantRequest.setIsAutomaticInvocation(false);
 251
 252         final GrantsLinksVnfLcmOpOcc vnfInstanceLink = new GrantsLinksVnfLcmOpOcc();
 253         vnfInstanceLink.setHref(getVnfLink());
 254         final GrantsLinksVnfLcmOpOcc operationInstanceLink = new GrantsLinksVnfLcmOpOcc();
 255         operationInstanceLink.setHref(getOperationLink());
 256         final GrantsLinks links = new GrantsLinks();
 257         links.setVnfInstance(vnfInstanceLink);
 258         links.setVnfLcmOpOcc(operationInstanceLink);
 259         grantRequest.setLinks(links);
 260         return grantRequest;
 261     }
 262
 263     protected abstract List<GrantsAddResources> getAddResources(final String vnfdId);
 264
 265     protected abstract List<GrantsAddResources> getRemoveResources(final String vnfdId);
 266
 267     protected abstract List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> handleGrantResponse(
 268             InlineResponse201 grantResponse);
 269
 270     protected abstract ChangeTypeEnum getVnfcChangeType();
 271
 272     private InlineResponse201 sendGrantRequest(final GrantRequest grantRequest) {
 273         LOGGER.info("Sending grant request: {}", grantRequest);
 274         try {
 275
 276             final SubscriptionsAuthenticationParamsOauth2ClientCredentials subscriptionAuthentication =
 277                     subscriptionService.getSubscriptions().iterator().next().getAuthentication()
 278                             .getParamsOauth2ClientCredentials();
 279
 280             final String authHeader = applicationConfig.getGrantAuth().equals("oauth")
 281                     ? "Bearer " + getToken(notificationClient.getApiClient(), subscriptionAuthentication)
 282                     : null;
 283
 284             final ApiResponse<InlineResponse201> response = grantClient.grantsPostWithHttpInfo(grantRequest,
 285                     MediaType.APPLICATION_JSON, MediaType.APPLICATION_JSON, authHeader);
 286             LOGGER.info("Grant Response: {}", response);
 287             return response.getData();
 288         } catch (final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiException exception) {
 289             LOGGER.error("Error sending notification: " + grantRequest, exception);
 290             return null;
 291         }
 292     }
 293
 294     private String getVnfLink() {
 295         return getLinkBaseUrl() + "/vnf_instances/" + operation.getVnfInstanceId();
 296     }
 297
 298     private String getOperationLink() {
 299         return getLinkBaseUrl() + "/vnf_lcm_op_occs/" + operation.getId();
 300     }
 301
 302     private String getLinkBaseUrl() {
 303         return applicationConfig.getBaseUrl() + "/vnflcm/v1";
 304     }
 305
 306     private String getToken(final ApiClient apiClient,
 307             final SubscriptionsAuthenticationParamsOauth2ClientCredentials oauthClientCredentials) {
 308         final String basePath = apiClient.getBasePath().substring(0, apiClient.getBasePath().indexOf("/so/"));
 309         final String tokenUrl = basePath + "/oauth/token?grant_type=client_credentials";
 310
 311         try {
 312             URL url = new URL(tokenUrl);
 313             HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
 314             connection.setRequestMethod("POST");
 315             final String authorizationHeader = getAuthorizationHeader(oauthClientCredentials);
 316             connection.addRequestProperty("Authorization", authorizationHeader);
 317
 318             connection.connect();
 319
 320             return getResponse(connection).get("access_token").getAsString();
 321
 322         } catch (IOException exception) {
 323             LOGGER.error("Error getting token", exception);
 324             return null;
 325         }
 326     }
 327
 328     private String getAuthorizationHeader(
 329             final SubscriptionsAuthenticationParamsOauth2ClientCredentials oauthClientCredentials) {
 330         final String auth = oauthClientCredentials.getClientId() + ":" + oauthClientCredentials.getClientPassword();
 331         final byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.UTF_8));
 332         return "Basic " + new String(encodedAuth);
 333     }
 334
 335     private JsonObject getResponse(HttpsURLConnection connection) throws IOException {
 336         BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
 337         String line, data = "";
 338         while ((line = in.readLine()) != null) {
 339             data += line;
 340         }
 341         in.close();
 342         connection.getInputStream().close();
 343
 344         JsonObject jsonObject = new JsonParser().parse(data).getAsJsonObject();
 345         return jsonObject;
 346     }
 347
 348 }