/*-
* ============LICENSE_START=======================================================
- * ONAP : APP-C
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ONAP : APPC
* ================================================================================
+ * Copyright (C) 2017 AT&T 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.
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.flow.controller.node;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.HashMap;
+import static org.onap.appc.flow.controller.utils.FlowControllerConstants.APPC_FLOW_CONTROLLER;
+import static org.onap.appc.flow.controller.utils.FlowControllerConstants.INPUT_PARAM_RESPONSE_PREFIX;
+import static org.onap.appc.flow.controller.utils.FlowControllerConstants.OUTPUT_PARAM_ERROR_MESSAGE;
+import static org.onap.appc.flow.controller.utils.FlowControllerConstants.OUTPUT_PARAM_STATUS;
+import static org.onap.appc.flow.controller.utils.FlowControllerConstants.OUTPUT_STATUS_FAILURE;
+import static org.onap.appc.flow.controller.utils.FlowControllerConstants.OUTPUT_STATUS_MESSAGE;
+import static org.onap.appc.flow.controller.utils.FlowControllerConstants.OUTPUT_STATUS_SUCCESS;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.fasterxml.jackson.databind.JsonNode;
import java.util.Map;
import java.util.Properties;
-
import org.apache.commons.lang3.StringUtils;
import org.onap.appc.flow.controller.data.Transaction;
import org.onap.appc.flow.controller.executorImpl.RestExecutor;
-import org.onap.appc.flow.controller.utils.FlowControllerConstants;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
-import com.att.eelf.configuration.EELFLogger;
-import com.att.eelf.configuration.EELFManager;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-public class RestServiceNode implements SvcLogicJavaPlugin{
-
- private static final EELFLogger log = EELFManager.getInstance().getLogger(RestServiceNode.class);
- private static final String SDNC_CONFIG_DIR_VAR = "SDNC_CONFIG_DIR";
-
- public void sendRequest(Map<String, String> inParams, SvcLogicContext ctx) throws SvcLogicException {
- String fn = "RestServiceNode.sendRequest";
- log.info("Received processParamKeys call with params : " + inParams);
- String responsePrefix = inParams.get(FlowControllerConstants.INPUT_PARAM_RESPONSE_PRIFIX);
- try {
- responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix+".") : "";
- //Remove below for Block
- for (Object key : ctx.getAttributeKeySet()) {
- String parmName = (String) key;
- String parmValue = ctx.getAttribute(parmName);
- log.info(fn + "Getting Key = " + parmName + "and Value = " + parmValue);
- }
-
- send(ctx, inParams);
- ctx.setAttribute(responsePrefix + FlowControllerConstants.OUTPUT_PARAM_STATUS, FlowControllerConstants.OUTPUT_STATUS_SUCCESS);
-
- } catch (Exception e) {
- ctx.setAttribute(responsePrefix + FlowControllerConstants.OUTPUT_PARAM_STATUS, FlowControllerConstants.OUTPUT_STATUS_FAILURE);
- ctx.setAttribute(responsePrefix + FlowControllerConstants.OUTPUT_PARAM_ERROR_MESSAGE, e.getMessage());
- log.error("Error Message : " + e.getMessage(), e);
- throw new SvcLogicException(e.getMessage());
- }
- }
-
- private void send(SvcLogicContext ctx, Map<String, String> inParams) throws Exception {
- try {
- Properties prop = loadProperties();
- log.info("Loaded Properties " + prop.toString());
- String responsePrefix = inParams.get(FlowControllerConstants.INPUT_PARAM_RESPONSE_PRIFIX);
- RestExecutor restRequestExecutor = new RestExecutor();
- String resourceUri = "";
- if(ctx.getAttribute(FlowControllerConstants.INPUT_URL) != null && !(ctx.getAttribute(FlowControllerConstants.INPUT_URL).isEmpty()))
- resourceUri = ctx.getAttribute(FlowControllerConstants.INPUT_URL);
- else {
- resourceUri = resourceUri.concat(FlowControllerConstants.HTTP);
- log.info("resourceUri= " + resourceUri );
- resourceUri = resourceUri.concat(ctx.getAttribute(FlowControllerConstants.INPUT_HOST_IP_ADDRESS));
- resourceUri = resourceUri.concat(":");
- resourceUri = resourceUri.concat(ctx.getAttribute(FlowControllerConstants.INPUT_PORT_NUMBER));
-
- if(ctx.getAttribute(FlowControllerConstants.INPUT_CONTEXT) != null && !ctx.getAttribute(FlowControllerConstants.INPUT_CONTEXT).isEmpty()){
- resourceUri = resourceUri.concat("/").concat(ctx.getAttribute(FlowControllerConstants.INPUT_CONTEXT));
- log.info("resourceUri= " + resourceUri );
- }
- else if(prop.getProperty(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION).concat(".context")) != null ){
- log.info("resourceUri = " + resourceUri );
- resourceUri = resourceUri.concat("/").concat(prop.getProperty(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION).concat(".context")));
- } else {
- throw new Exception("Could Not found the context for operation " + ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION));
- }
-
- if(ctx.getAttribute(FlowControllerConstants.INPUT_SUB_CONTEXT) != null && !ctx.getAttribute(FlowControllerConstants.INPUT_SUB_CONTEXT).isEmpty()){
- resourceUri = resourceUri.concat("/").concat(ctx.getAttribute(FlowControllerConstants.INPUT_SUB_CONTEXT));
- log.info("resourceUri" + resourceUri );
- }
- else if(prop.getProperty(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION).concat(".sub-context")) != null ){
- resourceUri = resourceUri.concat("/").concat(prop.getProperty(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION).concat(".sub-context")));
- log.info("resourceUri" + resourceUri );
- }
- }
-
- log.info("Rest Constructed URL : " + resourceUri);
- Transaction transaction = new Transaction();
-
- transaction.setExecutionEndPoint(resourceUri);
- transaction.setExecutionRPC(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION_TYPE));
- transaction.setAction(FlowControllerConstants.INPUT_REQUEST_ACTION);
- if(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION_TYPE) == null || ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION_TYPE).isEmpty())
- throw new Exception("Dont know REST operation for Action " + transaction.getExecutionRPC());
- if(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION) == null || ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION).isEmpty())
- throw new Exception("Dont know request-action " + transaction.getAction());
-
- //This code need to get changed to get the UserID and pass from a common place.
- if(transaction.getuId() == null)
- transaction.setuId(prop.getProperty(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION).concat(".default-rest-user")));
- if(transaction.getPswd() == null)
- transaction.setPswd(prop.getProperty(ctx.getAttribute(FlowControllerConstants.INPUT_REQUEST_ACTION).concat(".default-rest-pass")));
-
- HashMap<String, String> output = restRequestExecutor.execute(transaction, ctx);
-
- if(isValidJSON(output.get("restResponse")) != null) {
- ctx.setAttribute(responsePrefix + "." + FlowControllerConstants.OUTPUT_STATUS_MESSAGE , output.get("restResponse"));
-// JsonNode restResponse = isValidJSON(output.get("restResponse"));
-// for (String key : inParams.keySet()) {
-// if(key !=null && key.startsWith("output-")){
-// log.info("Found Key = " + key);
-// log.info("Found Key in Params " + inParams.get(key) + ".");
-// JsonNode setValue = restResponse.findValue(inParams.get(key));
-// log.info("Found value = " + setValue);
-// if(setValue !=null && setValue.textValue() !=null && !setValue.textValue().isEmpty())
-// ctx.setAttribute(responsePrefix + "." + key, setValue.textValue());
-// else
-// ctx.setAttribute(responsePrefix + "." + key, null);
-// }
-// }
- }
- log.info("Response from Rest :" );
-
- } catch(Exception e) {
- log.error("Error Message: " + e.getMessage(), e);
- throw e;
- }
- }
-
- private Properties loadProperties() throws Exception {
- Properties props = new Properties();
- String propDir = System.getenv(SDNC_CONFIG_DIR_VAR);
- if (propDir == null)
- throw new Exception("Cannot find Property file -" + SDNC_CONFIG_DIR_VAR);
- String propFile = propDir + FlowControllerConstants.APPC_FLOW_CONTROLLER;
- try (InputStream propStream = new FileInputStream(propFile))
- {
- props.load(propStream);
- }
- catch (Exception e)
- {
- throw new Exception("Could not load properties file " + propFile, e);
- }
- return props;
+public class RestServiceNode implements SvcLogicJavaPlugin {
+
+ private static final EELFLogger log = EELFManager.getInstance().getLogger(RestServiceNode.class);
+ private static final String SDNC_CONFIG_DIR_VAR = "SDNC_CONFIG_DIR";
+
+ static final String REST_RESPONSE = "restResponse";
+
+ private final TransactionHandler transactionHandler;
+ private final RestExecutor restExecutor;
+ private final ResourceUriExtractor resourceUriExtractor;
+ private final EnvVariables envVariables;
+
+ public RestServiceNode() {
+ this.transactionHandler = new TransactionHandler();
+ this.restExecutor = new RestExecutor();
+ this.resourceUriExtractor = new ResourceUriExtractor();
+ this.envVariables = new EnvVariables();
+ }
+
+ /**
+ * Constructor for tests, prefer to use no arg constructor
+ */
+ RestServiceNode(TransactionHandler transactionHandler, RestExecutor restExecutor,
+ ResourceUriExtractor uriExtractor, EnvVariables envVariables) {
+ this.transactionHandler = transactionHandler;
+ this.restExecutor = restExecutor;
+ this.resourceUriExtractor = uriExtractor;
+ this.envVariables = envVariables;
+ }
+
+ public void sendRequest(Map<String, String> inParams, SvcLogicContext ctx)
+ throws SvcLogicException {
+ String fn = "RestServiceNode.sendRequest";
+ log.info("Received processParamKeys call with params : " + inParams);
+ String responsePrefix = inParams.get(INPUT_PARAM_RESPONSE_PREFIX);
+ try {
+ responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix + ".") : "";
+ //Remove below for Block
+ for (String key : ctx.getAttributeKeySet()) {
+ log.info(fn + "Getting Key = " + key + "and Value = " + ctx.getAttribute(key));
+ }
+
+ Properties prop = loadProperties();
+ log.info("Loaded Properties " + prop.toString());
+
+ String resourceUri = resourceUriExtractor.extractResourceUri(ctx, prop);
+
+ log.info("Rest Constructed URL : " + resourceUri);
+
+ Transaction transaction = transactionHandler.buildTransaction(ctx, prop, resourceUri);
+ Map<String, String> output = restExecutor.execute(transaction, ctx);
+
+ String json = output.get(REST_RESPONSE);
+ log.info("Received response from Interface " + json);
+
+ JsonNode validatedJson = JsonValidator.validate(json);
+
+ if (validatedJson != null) {
+ log.info("state is " + validatedJson.findValue("state"));
+ ctx.setAttribute(responsePrefix + OUTPUT_STATUS_MESSAGE, output.get(REST_RESPONSE));
+ }
+
+ ctx.setAttribute(responsePrefix + OUTPUT_PARAM_STATUS, OUTPUT_STATUS_SUCCESS);
+
+ } catch (Exception e) {
+ ctx.setAttribute(responsePrefix + OUTPUT_PARAM_STATUS, OUTPUT_STATUS_FAILURE);
+ ctx.setAttribute(responsePrefix + OUTPUT_PARAM_ERROR_MESSAGE, e.getMessage());
+ log.error("Error Message : " + e.getMessage(), e);
+ throw new SvcLogicException(e.getMessage());
}
+ }
- private JsonNode isValidJSON(String json) throws IOException {
- JsonNode output;
- log.info("Received response from Interface " + json);
- if(json == null || json.isEmpty())
- return null;
- try {
- ObjectMapper objectMapper = new ObjectMapper();
- output = objectMapper.readTree(json);
- } catch(JsonProcessingException e) {
- log.warn("Response received from interface is not a valid JSON block" + json, e);
- return null;
- }
- log.info("state is " + output.findValue("state"));
- return output;
+ private Properties loadProperties() throws Exception {
+ String directory = envVariables.getenv(SDNC_CONFIG_DIR_VAR);
+ if (directory == null) {
+ throw new Exception("Cannot find Property file: " + SDNC_CONFIG_DIR_VAR);
}
+ String path = directory + APPC_FLOW_CONTROLLER;
+ return PropertiesLoader.load(path);
+ }
}