2 * Copyright 2016-2017, Nokia Corporation
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.direct.notification;
18 import com.nokia.cbam.lcm.v32.model.VnfInfo;
19 import java.util.ArrayList;
20 import java.util.NoSuchElementException;
21 import org.onap.aai.model.GenericVnf;
22 import org.onap.aai.model.Relationship;
23 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.direct.AAIRestApiProvider;
24 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.spring.Conditions;
25 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.CbamRestApiProvider;
26 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.DriverProperties;
27 import org.slf4j.Logger;
28 import org.springframework.beans.factory.annotation.Autowired;
29 import org.springframework.context.annotation.Conditional;
30 import org.springframework.stereotype.Component;
32 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.buildFatalFailure;
33 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
36 * Responsible for managing the {@link GenericVnf} in AAI
39 @Conditional(value = Conditions.UseForDirect.class)
40 class GenericVnfManager extends AbstractManager {
41 private static final long MAX_MS_TO_WAIT_FOR_VNF_TO_APPEAR = 30 * 1000L;
42 private static Logger logger = org.slf4j.LoggerFactory.getLogger(GenericVnfManager.class);
45 GenericVnfManager(AAIRestApiProvider aaiRestApiProvider, CbamRestApiProvider cbamRestApiProvider, DriverProperties driverProperties) {
46 super(aaiRestApiProvider, cbamRestApiProvider, driverProperties);
49 static Relationship linkTo(String vnfId) {
50 Relationship relationship = new Relationship();
51 relationship.setRelatedTo("generic-vnf");
52 relationship.setRelationshipData(new ArrayList<>());
53 relationship.getRelationshipData().add(buildRelationshipData("generic-vnf.vnf-id", vnfId));
58 protected Logger getLogger() {
62 void createOrUpdate(String vnfId, boolean inMaintenance) {
64 GenericVnf vnf = waitForVnfToAppearInAai(vnfId);
65 updateFields(vnf, vnfId, inMaintenance);
66 } catch (NoSuchElementException e) {
68 logger.warn("The VNF with " + vnfId + " identifier did not appear in time", e);
69 updateFields(new GenericVnf(), vnfId, inMaintenance);
70 } catch (Exception e2) {
71 logger.warn("The VNF with " + vnfId + " identifier has been created since after the maximal wait for VNF to appear timeout", e2);
72 //the VNF might have been created since the last poll
73 updateFields(getExistingVnf(vnfId), vnfId, inMaintenance);
78 private GenericVnf getExistingVnf(String vnfId) {
79 return aaiRestApiProvider.getNetworkApi().getNetworkGenericVnfsGenericVnf(vnfId, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null).blockingFirst();
82 private void updateFields(GenericVnf vnf, String vnfId, boolean inMaintenance) {
84 VnfInfo vnfInfo = cbamRestApiProvider.getCbamLcmApi(driverProperties.getVnfmId()).vnfsVnfInstanceIdGet(vnfId, CbamRestApiProvider.NOKIA_LCM_API_VERSION).blockingFirst();
85 vnf.setVnfName(vnfInfo.getName());
86 } catch (RuntimeException e) {
87 throw buildFatalFailure(logger, "Unable to query VNF with " + vnfId + " identifier from CBAM", e);
90 vnf.setInMaint(inMaintenance);
91 //FIXME whould be good to know if this parameter is relevant or not? (mandatory)
92 vnf.setVnfType("NokiaVNF");
93 vnf.setIsClosedLoopDisabled(inMaintenance);
94 aaiRestApiProvider.getNetworkApi().createOrUpdateNetworkGenericVnfsGenericVnf(vnf.getVnfId(), vnf).blockingFirst();
97 private GenericVnf waitForVnfToAppearInAai(String vnfId) {
98 long timeoutInMs = systemFunctions().currentTimeMillis() + MAX_MS_TO_WAIT_FOR_VNF_TO_APPEAR;
99 while (timeoutInMs - systemFunctions().currentTimeMillis() > 0) {
101 return getExistingVnf(vnfId);
102 } catch (NoSuchElementException e) {
103 logger.debug("Unable to get VNF with " + vnfId + " identifier", e);
105 systemFunctions().sleep(3 * 1000L);
107 throw new NoSuchElementException();