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.api.VeVnfmApi;
  48 import org.onap.so.svnfm.simulator.model.Vnfds;
  49 import org.onap.so.svnfm.simulator.repository.VnfOperationRepository;
  50 import org.onap.so.svnfm.simulator.config.ApplicationConfig;
  51 import org.onap.so.svnfm.simulator.model.VnfOperation;
  52 import org.onap.so.svnfm.simulator.util.PatternContainedChecker;
  53 import org.slf4j.Logger;
  54 import org.slf4j.LoggerFactory;
  55 import org.springframework.core.io.ClassPathResource;
  56 import org.springframework.core.io.Resource;
  57
  58 public abstract class OperationProgressor implements Runnable {
  59
  60     private static final Logger LOGGER = LoggerFactory.getLogger(OperationProgressor.class);
  61     private static final String CERTIFICATE_TO_TRUST = "so-vnfm-adapter.crt.pem";
  62
  63     private Resource keyStoreResource = new ClassPathResource("so-vnfm-simulator.p12");
  64     private String keyStorePassword = "7Em3&j4.19xYiMelhD5?xbQ.";
  65
  66     protected final VnfOperation operation;
  67     protected final SvnfmService svnfmService;
  68     private final VnfOperationRepository vnfOperationRepository;
  69     private final ApplicationConfig applicationConfig;
  70     protected final Vnfds vnfds;
  71     private final SubscriptionService subscriptionService;
  72     private final DefaultApi notificationClient;
  73     private final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.api.DefaultApi grantClient;
  74
  75     public OperationProgressor(final VnfOperation operation, final SvnfmService svnfmService,
  76             final VnfOperationRepository vnfOperationRepository, final ApplicationConfig applicationConfig,
  77             final Vnfds vnfds, final SubscriptionService subscriptionService) {
  78         this.operation = operation;
  79         this.svnfmService = svnfmService;
  80         this.vnfOperationRepository = vnfOperationRepository;
  81         this.applicationConfig = applicationConfig;
  82         this.vnfds = vnfds;
  83         this.subscriptionService = subscriptionService;
  84
  85         final ApiClient apiClient = new ApiClient();
  86         String callBackUrl = subscriptionService.getSubscriptions().iterator().next().getCallbackUri();
  87         final PatternContainedChecker checker = new PatternContainedChecker("/lcn/", callBackUrl);
  88         callBackUrl = checker.getText();
  89         apiClient.setBasePath(callBackUrl);
  90         apiClient.setKeyManagers(getKeyManagers());
  91         apiClient.setSslCaCert(getCertificateToTrust());
  92         notificationClient = checker.isContained() ? new DefaultApi(apiClient) : new VeVnfmApi(apiClient);
  93
  94         final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiClient grantApiClient =
  95                 new org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiClient();
  96         grantApiClient.setBasePath(callBackUrl);
  97         grantApiClient.setKeyManagers(getKeyManagers());
  98         grantApiClient.setSslCaCert(getCertificateToTrust());
  99         grantClient = new org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.api.DefaultApi(grantApiClient);
 100     }
 101
 102     private InputStream getCertificateToTrust() {
 103         try {
 104             return new ClassPathResource(CERTIFICATE_TO_TRUST).getInputStream();
 105         } catch (final IOException exception) {
 106             LOGGER.error("Error reading certificate to trust, https calls to VNFM adapter will fail", exception);
 107             return null;
 108         }
 109     }
 110
 111     private KeyManager[] getKeyManagers() {
 112         KeyStore keystore;
 113         try {
 114             keystore = KeyStore.getInstance("pkcs12");
 115             keystore.load(keyStoreResource.getInputStream(), keyStorePassword.toCharArray());
 116             KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance("SunX509");
 117             keyManagerFactory.init(keystore, keyStorePassword.toCharArray());
 118             return keyManagerFactory.getKeyManagers();
 119         } catch (KeyStoreException | NoSuchAlgorithmException | CertificateException | IOException
 120                 | UnrecoverableKeyException exception) {
 121             LOGGER.error("Error reading certificate, https calls using two way TLS to VNFM adapter will fail",
 122                     exception);
 123             return new KeyManager[0];
 124         }
 125     }
 126
 127     @Override
 128     public void run() {
 129         try {
 130             final VnfLcmOperationOccurrenceNotification notificationOfStarting =
 131                     buildNotification(NotificationStatusEnum.START, OperationStateEnum.STARTING);
 132             sendNotification(notificationOfStarting);
 133
 134             sleep(2000);
 135             setState(InlineResponse200.OperationStateEnum.PROCESSING);
 136             final VnfLcmOperationOccurrenceNotification notificationOfProcessing =
 137                     buildNotification(NotificationStatusEnum.START, OperationStateEnum.PROCESSING);
 138             sendNotification(notificationOfProcessing);
 139
 140
 141             final GrantRequest grantRequest = buildGrantRequest();
 142             final InlineResponse201 grantResponse = sendGrantRequest(grantRequest);
 143             final List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> vnfcs = handleGrantResponse(grantResponse);
 144
 145             svnfmService.getVnf(operation.getVnfInstanceId()).getInstantiatedVnfInfo();
 146
 147             sleep(10000);
 148             setState(InlineResponse200.OperationStateEnum.COMPLETED);
 149             final VnfLcmOperationOccurrenceNotification notificationOfCompleted =
 150                     buildNotification(NotificationStatusEnum.RESULT, OperationStateEnum.COMPLETED);
 151             notificationOfCompleted.setAffectedVnfcs(getVnfcs(vnfcs));
 152
 153             sendNotification(notificationOfCompleted);
 154         } catch (final Exception exception) {
 155             LOGGER.error("Error in OperationProgressor ", exception);
 156         }
 157
 158     }
 159
 160     private void sleep(final long milliSeconds) {
 161         try {
 162             Thread.sleep(milliSeconds);
 163         } catch (final InterruptedException e) {
 164             operation.setOperationState(InlineResponse200.OperationStateEnum.FAILED);
 165             // Restore interrupted state
 166             Thread.currentThread().interrupt();
 167         }
 168     }
 169
 170     private void setState(final InlineResponse200.OperationStateEnum state) {
 171         LOGGER.info("Setting state to {} for operation {}", state, operation.getId());
 172         operation.setOperationState(state);
 173         vnfOperationRepository.save(operation);
 174     }
 175
 176     private VnfLcmOperationOccurrenceNotification buildNotification(final NotificationStatusEnum status,
 177             final OperationStateEnum operationState) {
 178         final VnfLcmOperationOccurrenceNotification notification = new VnfLcmOperationOccurrenceNotification();
 179         notification.setId(UUID.randomUUID().toString());
 180         notification.setNotificationType(NotificationTypeEnum.VNFLCMOPERATIONOCCURRENCENOTIFICATION);
 181         notification.setNotificationStatus(status);
 182         notification.setOperationState(operationState);
 183         notification.setOperation(OperationEnum.fromValue(operation.getOperation().toString()));
 184         notification.setVnfInstanceId(operation.getVnfInstanceId());
 185         notification.setVnfLcmOpOccId(operation.getId());
 186
 187         final LcnVnfLcmOperationOccurrenceNotificationLinks links = new LcnVnfLcmOperationOccurrenceNotificationLinks();
 188         final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance vnfInstanceLink =
 189                 new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
 190         vnfInstanceLink.setHref(getVnfLink());
 191         links.setVnfInstance(vnfInstanceLink);
 192
 193
 194         final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance operationLink =
 195                 new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
 196         operationLink.setHref(getOperationLink());
 197         links.setVnfLcmOpOcc(operationLink);
 198
 199         notification.setLinks(links);
 200
 201         return notification;
 202     }
 203
 204     private List<LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs> getVnfcs(
 205             final List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> instantiatedVnfcs) {
 206         final List<LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs> vnfcs = new ArrayList<>();
 207         if (instantiatedVnfcs != null) {
 208             for (final InlineResponse201InstantiatedVnfInfoVnfcResourceInfo instantiatedVnfc : instantiatedVnfcs) {
 209                 LOGGER.info("VNFC TO BE CONVERTED: {}", instantiatedVnfc);
 210                 final ModelMapper mapper = new ModelMapper();
 211                 final LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs vnfc =
 212                         mapper.map(instantiatedVnfc, LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs.class);
 213                 LOGGER.info("VNFC FROM CONVERSION: {}", vnfc);
 214                 vnfc.setChangeType(getVnfcChangeType());
 215                 vnfcs.add(vnfc);
 216             }
 217         }
 218         return vnfcs;
 219     }
 220
 221     private void sendNotification(final VnfLcmOperationOccurrenceNotification notification) {
 222         LOGGER.info("Sending notification: {}", notification);
 223         try {
 224             final SubscriptionsAuthenticationParamsBasic subscriptionAuthentication =
 225                     subscriptionService.getSubscriptions().iterator().next().getAuthentication().getParamsBasic();
 226             final String auth =
 227                     subscriptionAuthentication.getUserName() + ":" + subscriptionAuthentication.getPassword();
 228             final byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.ISO_8859_1));
 229             String authHeader = "Basic " + new String(encodedAuth);
 230
 231             notificationClient.lcnVnfLcmOperationOccurrenceNotificationPostWithHttpInfo(notification,
 232                     MediaType.APPLICATION_JSON, authHeader);
 233         } catch (final ApiException exception) {
 234             LOGGER.error("Error sending notification: " + notification, exception);
 235             LOGGER.error("Response code: {}, body: {}, basePath: {}", exception.getCode(), exception.getResponseBody(),
 236                     notificationClient.getApiClient().getBasePath());
 237
 238         }
 239     }
 240
 241
 242     public GrantRequest buildGrantRequest() {
 243         final GrantRequest grantRequest = new GrantRequest();
 244         grantRequest.setVnfInstanceId(operation.getVnfInstanceId());
 245         final String vnfdId = svnfmService.getVnf(operation.getVnfInstanceId()).getVnfdId();
 246         grantRequest.setVnfdId(vnfdId);
 247         grantRequest.setAddResources(getAddResources(vnfdId));
 248         grantRequest.setRemoveResources(getRemoveResources(vnfdId));
 249         grantRequest.setVnfLcmOpOccId(operation.getId());
 250         grantRequest
 251                 .setOperation(org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantRequest.OperationEnum
 252                         .fromValue(operation.getOperation().getValue()));
 253         grantRequest.setIsAutomaticInvocation(false);
 254
 255         final GrantsLinksVnfLcmOpOcc vnfInstanceLink = new GrantsLinksVnfLcmOpOcc();
 256         vnfInstanceLink.setHref(getVnfLink());
 257         final GrantsLinksVnfLcmOpOcc operationInstanceLink = new GrantsLinksVnfLcmOpOcc();
 258         operationInstanceLink.setHref(getOperationLink());
 259         final GrantsLinks links = new GrantsLinks();
 260         links.setVnfInstance(vnfInstanceLink);
 261         links.setVnfLcmOpOcc(operationInstanceLink);
 262         grantRequest.setLinks(links);
 263         return grantRequest;
 264     }
 265
 266     protected abstract List<GrantsAddResources> getAddResources(final String vnfdId);
 267
 268     protected abstract List<GrantsAddResources> getRemoveResources(final String vnfdId);
 269
 270     protected abstract List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> handleGrantResponse(
 271             InlineResponse201 grantResponse);
 272
 273     protected abstract ChangeTypeEnum getVnfcChangeType();
 274
 275     private InlineResponse201 sendGrantRequest(final GrantRequest grantRequest) {
 276         LOGGER.info("Sending grant request: {}", grantRequest);
 277         try {
 278
 279             final SubscriptionsAuthenticationParamsOauth2ClientCredentials subscriptionAuthentication =
 280                     subscriptionService.getSubscriptions().iterator().next().getAuthentication()
 281                             .getParamsOauth2ClientCredentials();
 282
 283             final String authHeader = applicationConfig.getGrantAuth().equals("oauth")
 284                     ? "Bearer " + getToken(notificationClient.getApiClient(), subscriptionAuthentication)
 285                     : null;
 286
 287             final ApiResponse<InlineResponse201> response = grantClient.grantsPostWithHttpInfo(grantRequest,
 288                     MediaType.APPLICATION_JSON, MediaType.APPLICATION_JSON, authHeader);
 289             LOGGER.info("Grant Response: {}", response);
 290             return response.getData();
 291         } catch (final org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.ApiException exception) {
 292             LOGGER.error("Error sending notification: " + grantRequest, exception);
 293             return null;
 294         }
 295     }
 296
 297     private String getVnfLink() {
 298         return getLinkBaseUrl() + "/vnf_instances/" + operation.getVnfInstanceId();
 299     }
 300
 301     private String getOperationLink() {
 302         return getLinkBaseUrl() + "/vnf_lcm_op_occs/" + operation.getId();
 303     }
 304
 305     private String getLinkBaseUrl() {
 306         return applicationConfig.getBaseUrl() + "/vnflcm/v1";
 307     }
 308
 309     private String getToken(final ApiClient apiClient,
 310             final SubscriptionsAuthenticationParamsOauth2ClientCredentials oauthClientCredentials) {
 311         final String basePath = apiClient.getBasePath().substring(0, apiClient.getBasePath().indexOf("/so/"));
 312         final String tokenUrl = basePath + "/oauth/token?grant_type=client_credentials";
 313
 314         try {
 315             URL url = new URL(tokenUrl);
 316             HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
 317             connection.setRequestMethod("POST");
 318             final String authorizationHeader = getAuthorizationHeader(oauthClientCredentials);
 319             connection.addRequestProperty("Authorization", authorizationHeader);
 320
 321             connection.connect();
 322
 323             return getResponse(connection).get("access_token").getAsString();
 324
 325         } catch (IOException exception) {
 326             LOGGER.error("Error getting token", exception);
 327             return null;
 328         }
 329     }
 330
 331     private String getAuthorizationHeader(
 332             final SubscriptionsAuthenticationParamsOauth2ClientCredentials oauthClientCredentials) {
 333         final String auth = oauthClientCredentials.getClientId() + ":" + oauthClientCredentials.getClientPassword();
 334         final byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.UTF_8));
 335         return "Basic " + new String(encodedAuth);
 336     }
 337
 338     private JsonObject getResponse(HttpsURLConnection connection) throws IOException {
 339         BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
 340         String line, data = "";
 341         while ((line = in.readLine()) != null) {
 342             data += line;
 343         }
 344         in.close();
 345         connection.getInputStream().close();
 346
 347         JsonObject jsonObject = new JsonParser().parse(data).getAsJsonObject();
 348         return jsonObject;
 349     }
 350
 351 }