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/*-
* ============LICENSE_START=======================================================
* ONAP : APP-C
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.flow.controller.node;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
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());
e.printStackTrace();
log.error("Error Message : " + e.getMessage());
throw new SvcLogicException(e.getMessage());
}
}
public 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(output.get("restResponse") !=null && 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)
{
e.printStackTrace();
log.error("Error Message " + e.getMessage());
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;
InputStream propStream = new FileInputStream(propFile);
try
{
props.load(propStream);
}
catch (Exception e)
{
throw new Exception("Could not load properties file " + propFile, e);
}
finally
{
try
{
propStream.close();
}
catch (Exception e)
{
log.warn("Could not close FileInputStream", e);
}
}
// TODO Auto-generated method stub
return props;
}
public JsonNode isValidJSON(String json) throws IOException {
JsonNode output = null;
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);
return null;
}
log.info("state is " + output.findValue("state"));
return output;
}
}
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