1 package org.onap.so.svnfm.simulator.services;
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;
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;
58 public abstract class OperationProgressor implements Runnable {
60 private static final Logger LOGGER = LoggerFactory.getLogger(OperationProgressor.class);
61 private static final String CERTIFICATE_TO_TRUST = "so-vnfm-adapter.crt.pem";
63 private Resource keyStoreResource = new ClassPathResource("so-vnfm-simulator.p12");
64 private String keyStorePassword = "7Em3&j4.19xYiMelhD5?xbQ.";
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;
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;
83 this.subscriptionService = subscriptionService;
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);
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);
102 private InputStream getCertificateToTrust() {
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);
111 private KeyManager[] getKeyManagers() {
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",
123 return new KeyManager[0];
130 final VnfLcmOperationOccurrenceNotification notificationOfStarting =
131 buildNotification(NotificationStatusEnum.START, OperationStateEnum.STARTING);
132 sendNotification(notificationOfStarting);
135 setState(InlineResponse200.OperationStateEnum.PROCESSING);
136 final VnfLcmOperationOccurrenceNotification notificationOfProcessing =
137 buildNotification(NotificationStatusEnum.START, OperationStateEnum.PROCESSING);
138 sendNotification(notificationOfProcessing);
141 final GrantRequest grantRequest = buildGrantRequest();
142 final InlineResponse201 grantResponse = sendGrantRequest(grantRequest);
143 final List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> vnfcs = handleGrantResponse(grantResponse);
145 svnfmService.getVnf(operation.getVnfInstanceId()).getInstantiatedVnfInfo();
148 setState(InlineResponse200.OperationStateEnum.COMPLETED);
149 final VnfLcmOperationOccurrenceNotification notificationOfCompleted =
150 buildNotification(NotificationStatusEnum.RESULT, OperationStateEnum.COMPLETED);
151 notificationOfCompleted.setAffectedVnfcs(getVnfcs(vnfcs));
153 sendNotification(notificationOfCompleted);
154 } catch (final Exception exception) {
155 LOGGER.error("Error in OperationProgressor ", exception);
160 private void sleep(final long milliSeconds) {
162 Thread.sleep(milliSeconds);
163 } catch (final InterruptedException e) {
164 operation.setOperationState(InlineResponse200.OperationStateEnum.FAILED);
165 // Restore interrupted state
166 Thread.currentThread().interrupt();
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);
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());
187 final LcnVnfLcmOperationOccurrenceNotificationLinks links = new LcnVnfLcmOperationOccurrenceNotificationLinks();
188 final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance vnfInstanceLink =
189 new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
190 vnfInstanceLink.setHref(getVnfLink());
191 links.setVnfInstance(vnfInstanceLink);
194 final LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance operationLink =
195 new LcnVnfLcmOperationOccurrenceNotificationLinksVnfInstance();
196 operationLink.setHref(getOperationLink());
197 links.setVnfLcmOpOcc(operationLink);
199 notification.setLinks(links);
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());
221 private void sendNotification(final VnfLcmOperationOccurrenceNotification notification) {
222 LOGGER.info("Sending notification: {}", notification);
224 final SubscriptionsAuthenticationParamsBasic subscriptionAuthentication =
225 subscriptionService.getSubscriptions().iterator().next().getAuthentication().getParamsBasic();
227 subscriptionAuthentication.getUserName() + ":" + subscriptionAuthentication.getPassword();
228 final byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.ISO_8859_1));
229 String authHeader = "Basic " + new String(encodedAuth);
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());
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());
251 .setOperation(org.onap.so.adapters.vnfmadapter.extclients.vnfm.grant.model.GrantRequest.OperationEnum
252 .fromValue(operation.getOperation().getValue()));
253 grantRequest.setIsAutomaticInvocation(false);
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);
266 protected abstract List<GrantsAddResources> getAddResources(final String vnfdId);
268 protected abstract List<GrantsAddResources> getRemoveResources(final String vnfdId);
270 protected abstract List<InlineResponse201InstantiatedVnfInfoVnfcResourceInfo> handleGrantResponse(
271 InlineResponse201 grantResponse);
273 protected abstract ChangeTypeEnum getVnfcChangeType();
275 private InlineResponse201 sendGrantRequest(final GrantRequest grantRequest) {
276 LOGGER.info("Sending grant request: {}", grantRequest);
279 final SubscriptionsAuthenticationParamsOauth2ClientCredentials subscriptionAuthentication =
280 subscriptionService.getSubscriptions().iterator().next().getAuthentication()
281 .getParamsOauth2ClientCredentials();
283 final String authHeader = applicationConfig.getGrantAuth().equals("oauth")
284 ? "Bearer " + getToken(notificationClient.getApiClient(), subscriptionAuthentication)
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);
297 private String getVnfLink() {
298 return getLinkBaseUrl() + "/vnf_instances/" + operation.getVnfInstanceId();
301 private String getOperationLink() {
302 return getLinkBaseUrl() + "/vnf_lcm_op_occs/" + operation.getId();
305 private String getLinkBaseUrl() {
306 return applicationConfig.getBaseUrl() + "/vnflcm/v1";
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";
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);
321 connection.connect();
323 return getResponse(connection).get("access_token").getAsString();
325 } catch (IOException exception) {
326 LOGGER.error("Error getting token", exception);
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);
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) {
345 connection.getInputStream().close();
347 JsonObject jsonObject = new JsonParser().parse(data).getAsJsonObject();