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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2018 Huawei Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.bpmn.common.resource;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import javax.ws.rs.core.Response;
import org.camunda.bpm.engine.runtime.Execution;
import org.jboss.resteasy.client.jaxrs.ResteasyClient;
import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.jboss.resteasy.client.jaxrs.ResteasyWebTarget;
import org.openecomp.mso.bpmn.core.json.JsonUtils;
import org.openecomp.mso.logger.MessageEnum;
import org.openecomp.mso.logger.MsoLogger;
import org.onap.sdc.tosca.parser.api.ISdcCsarHelper;
import org.onap.sdc.tosca.parser.exceptions.SdcToscaParserException;
import org.onap.sdc.tosca.parser.impl.SdcToscaParserFactory;
import org.onap.sdc.toscaparser.api.NodeTemplate;
import org.onap.sdc.toscaparser.api.Property;
import org.onap.sdc.toscaparser.api.functions.GetInput;
import org.onap.sdc.toscaparser.api.parameters.Input;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
public class ResourceRequestBuilder {
public static String CUSTOMIZATION_UUID = "customizationUUID";
public static String SERVICE_URL_TOSCA_CSAR = "http://mso:8080/ecomp/mso/catalog/v3/serviceToscaCsar?serviceModelUuid=";
private static MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
static JsonUtils jsonUtil = new JsonUtils();
/**
* build the resource Parameters detail.
* It's a json string for resource instantiant
* {
* "locationConstraints":[...]
* "requestInputs":{K,V}
* }
* <br>
*
* @param execution Execution context
* @param serviceUuid The service template uuid
* @param resourceCustomizationUuid The resource customization uuid
* @param serviceParameters the service parameters passed from the API
* @return the resource instantiate parameters
* @since ONAP Beijing Release
*/
@SuppressWarnings("unchecked")
public static String buildResourceRequestParameters(Execution execution, String serviceUuid, String resourceCustomizationUuid, String serviceParameters) {
List<String> resourceList = jsonUtil.StringArrayToList(execution, (String)JsonUtils.getJsonValue(serviceParameters, "resources"));
//Get the right location str for resource. default is an empty array.
String locationConstraints ="[]";
String resourceInputsFromUui = "";
for(String resource: resourceList){
String resCusUuid = (String)JsonUtils.getJsonValue(resource, "resourceCustomizationUuid");
if(resourceCustomizationUuid.equals(resCusUuid)){
String resourceParameters = JsonUtils.getJsonValue(resource, "parameters");
locationConstraints = JsonUtils.getJsonValue(resourceParameters, "locationConstraints");
resourceInputsFromUui = JsonUtils.getJsonValue(resourceParameters, "requestInputs");
}
}
Map<String, Object> serviceInput =getJsonObject((String)JsonUtils.getJsonValue(serviceParameters, "requestInputs"), Map.class);
Map<String, Object> resourceInputsFromUuiMap = getJsonObject(resourceInputsFromUui, Map.class);
try {
Map<String, Object> resourceInputsFromServiceDeclaredLevel = buildResouceRequest(serviceUuid, resourceCustomizationUuid, serviceInput);
resourceInputsFromUuiMap.putAll(resourceInputsFromServiceDeclaredLevel);
} catch(SdcToscaParserException e) {
e.printStackTrace();
}
String resourceInputsStr = getJsonString(resourceInputsFromUuiMap);
String result = "{\n"
+ "\"locationConstraints\":" + locationConstraints +",\n"
+ "\"requestInputs\":" + resourceInputsStr +"\n"
+"}";
return result;
}
public static Map<String, Object> buildResouceRequest(String serviceUuid, String resourceCustomizationUuid, Map<String, Object> serviceInputs)
throws SdcToscaParserException {
Map<String, Object> resouceRequest = new HashMap<>();
String csarpath = null;
try {
csarpath = getCsarFromUuid(serviceUuid);
} catch(Exception e) {
LOGGER.debug("csar file is not available for service uuid:" + serviceUuid, e);
return resouceRequest;
}
SdcToscaParserFactory toscaParser = SdcToscaParserFactory.getInstance();
ISdcCsarHelper iSdcCsarHelper = toscaParser.getSdcCsarHelper(csarpath);
List<Input> serInput = iSdcCsarHelper.getServiceInputs();
Optional<NodeTemplate> nodeTemplateOpt = iSdcCsarHelper.getServiceNodeTemplates().stream()
.filter(e -> e.getMetaData().getValue(CUSTOMIZATION_UUID).equals(resourceCustomizationUuid)).findFirst();
if(nodeTemplateOpt.isPresent()) {
NodeTemplate nodeTemplate = nodeTemplateOpt.get();
LinkedHashMap<String, Property> resourceProperties = nodeTemplate.getProperties();
for(String key : resourceProperties.keySet()) {
Property property = resourceProperties.get(key);
Object value = getValue(property.getValue(), serviceInputs, serInput);
resouceRequest.put(key, value);
}
}
return resouceRequest;
}
private static Object getValue(Object value, Map<String, Object> serviceInputs, List<Input> servInputs) {
if(value instanceof Map) {
Map<String, Object> valueMap = new HashMap<>();
Map<String, Object> propertyMap = (Map<String, Object>)value;
for(String key : propertyMap.keySet()) {
valueMap.put(key, getValue(propertyMap.get(key), serviceInputs, servInputs));
}
return valueMap; // return if the value is nested hashmap
} else if(value instanceof GetInput) {
String inputName = ((GetInput)value).getInputName();
if(serviceInputs.get(inputName) != null) {
value = serviceInputs.get(inputName);
} else {
for(Input input : servInputs) {
if(input.getName().equals(inputName)) {
return input.getDefault(); // return default value
}
}
}
}
return value; // return property value
}
private static String getCsarFromUuid(String uuid) throws Exception {
ResteasyClient client = new ResteasyClientBuilder().build();
ResteasyWebTarget target = client.target(SERVICE_URL_TOSCA_CSAR + uuid);
Response response = target.request().get();
String value = response.readEntity(String.class);
HashMap<String, String> map = new Gson().fromJson(value, new TypeToken<HashMap<String, String>>() {}.getType());
File csarFile = new File(System.getProperty("mso.config.path") + "ASDC/" + map.get("name"));
if(!csarFile.exists()) {
throw new Exception("csar file does not exist.");
}
return csarFile.getAbsolutePath();
}
public static <T> T getJsonObject(String jsonstr, Class<T> type) {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);
try {
return mapper.readValue(jsonstr, type);
} catch(IOException e) {
LOGGER.error(MessageEnum.RA_NS_EXC, "", "", MsoLogger.ErrorCode.BusinessProcesssError, "fail to unMarshal json", e);
}
return null;
}
public static String getJsonString(Object srcObj) {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
String jsonStr = null;
try {
jsonStr = mapper.writeValueAsString(srcObj);
} catch(JsonProcessingException e) {
e.printStackTrace();
}
return jsonStr;
}
}
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