2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
20 package org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.utils;
22 import static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.Constants.ADDITIONAL_PARAMS;
23 import static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.Constants.EXT_VIRTUAL_LINKS;
24 import static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.Constants.FORWARD_SLASH;
25 import static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.Constants.PRELOAD_VNFS_URL;
26 import java.io.IOException;
27 import java.util.Arrays;
28 import java.util.Collections;
29 import java.util.List;
31 import java.util.stream.Collectors;
32 import org.onap.etsi.sol003.adapter.lcm.v1.model.ExternalVirtualLink;
33 import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
34 import org.onap.so.bpmn.servicedecomposition.modelinfo.ModelInfoGenericVnf;
35 import org.onap.so.client.sdnc.SDNCClient;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
38 import org.springframework.beans.factory.annotation.Autowired;
39 import org.springframework.stereotype.Service;
40 import com.fasterxml.jackson.databind.ObjectMapper;
41 import com.jayway.jsonpath.JsonPath;
42 import net.minidev.json.JSONArray;
45 * This class retrieve pre-load data from SDNC using <br/>
46 * <b>GET</b> /config/VNF-API:preload-vnfs/vnf-preload-list/{vnf-name}/{vnf-type}
48 * @author waqas.ikram@est.tech
51 public class SdncInputParametersProvider extends AbstractInputParametersProvider<GenericVnf> {
53 private static final Logger LOGGER = LoggerFactory.getLogger(SdncInputParametersProvider.class);
55 private static final String VNF_PARAMETERS_PATH = "$..vnf-parameters";
57 private final SDNCClient sdncClient;
60 public SdncInputParametersProvider(final SDNCClient sdncClient) {
61 this.sdncClient = sdncClient;
65 public InputParameter getInputParameter(final GenericVnf genericVnf) {
66 final String vnfName = genericVnf.getVnfName();
67 final String vnfType = getVnfType(genericVnf);
68 final String url = getPreloadVnfsUrl(vnfName, vnfType);
71 LOGGER.debug("Will query sdnc for input parameters using url: {}", url);
72 final String jsonResponse = sdncClient.get(url);
74 final JSONArray vnfParametersArray = JsonPath.read(jsonResponse, VNF_PARAMETERS_PATH);
75 if (vnfParametersArray != null) {
76 for (int index = 0; index < vnfParametersArray.size(); index++) {
77 final Object vnfParametersObject = vnfParametersArray.get(index);
78 if (vnfParametersObject instanceof JSONArray) {
79 final JSONArray vnfParameters = (JSONArray) vnfParametersObject;
80 final Map<String, String> vnfParametersMap = getVnfParameterMap(vnfParameters);
81 final Map<String, String> additionalParameters = getAdditionalParameters(vnfParametersMap);
82 final List<ExternalVirtualLink> extVirtualLinks = getExtVirtualLinks(vnfParametersMap);
83 final InputParameter inputParameter = new InputParameter(additionalParameters, extVirtualLinks);
84 LOGGER.info("InputParameter found in sdnc response : {}", inputParameter);
85 return inputParameter;
89 } catch (final Exception exception) {
90 LOGGER.error("Unable to retrieve/parse input parameters using URL: {} ", url, exception);
92 LOGGER.warn("No input parameters found ...");
93 return NullInputParameter.NULL_INSTANCE;
97 private List<ExternalVirtualLink> getExtVirtualLinks(final Map<String, String> vnfParametersMap) {
98 final String extVirtualLinksString = vnfParametersMap.get(EXT_VIRTUAL_LINKS);
100 if (extVirtualLinksString != null && !extVirtualLinksString.isEmpty()) {
101 return parseExternalVirtualLinks(extVirtualLinksString);
103 return Collections.emptyList();
106 private Map<String, String> getAdditionalParameters(final Map<String, String> vnfParametersMap) {
107 final String additionalParamsString = vnfParametersMap.get(ADDITIONAL_PARAMS);
108 if (additionalParamsString != null && !additionalParamsString.isEmpty()) {
109 return parseAdditionalParameters(additionalParamsString);
111 return Collections.emptyMap();
115 private Map<String, String> getVnfParameterMap(final JSONArray array) {
118 final ObjectMapper mapper = new ObjectMapper();
119 final VnfParameter[] readValue = mapper.readValue(array.toJSONString(), VnfParameter[].class);
120 LOGGER.debug("Vnf parameters: {}", Arrays.asList(readValue));
121 return Arrays.asList(readValue).stream()
122 .filter(vnfParam -> vnfParam.getName() != null && vnfParam.getValue() != null)
123 .collect(Collectors.toMap(VnfParameter::getName, VnfParameter::getValue));
125 } catch (final IOException exception) {
126 LOGGER.error("Unable to parse vnf parameters : {}", array, exception);
128 return Collections.emptyMap();
131 private String getPreloadVnfsUrl(final String vnfName, final String vnfType) {
132 return PRELOAD_VNFS_URL + vnfName + FORWARD_SLASH + vnfType;
135 private String getVnfType(final GenericVnf genericVnf) {
136 final ModelInfoGenericVnf modelInfoGenericVnf = genericVnf.getModelInfoGenericVnf();
137 if (modelInfoGenericVnf != null && modelInfoGenericVnf.getModelName() != null) {
138 return modelInfoGenericVnf.getModelName();
140 return genericVnf.getVnfType();