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/*-
* ============LICENSE_START=======================================================
* PROJECT
* ================================================================================
* 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.dcae.commonFunction;
import com.att.nsa.apiServer.ApiServer;
import com.att.nsa.apiServer.ApiServerConnector;
import com.att.nsa.apiServer.endpoints.NsaBaseEndpoint;
import com.att.nsa.cmdLine.NsaCommandLineUtil;
import com.att.nsa.drumlin.service.framework.DrumlinServlet;
import com.att.nsa.drumlin.till.nv.impl.nvPropertiesFile;
import com.att.nsa.drumlin.till.nv.impl.nvReadableStack;
import com.att.nsa.drumlin.till.nv.impl.nvReadableTable;
import com.att.nsa.drumlin.till.nv.rrNvReadable;
import com.att.nsa.drumlin.till.nv.rrNvReadable.invalidSettingValue;
import com.att.nsa.drumlin.till.nv.rrNvReadable.loadException;
import com.att.nsa.drumlin.till.nv.rrNvReadable.missingReqdSetting;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jsonschema.exceptions.ProcessingException;
import com.github.fge.jsonschema.main.JsonSchema;
import com.github.fge.jsonschema.main.JsonSchemaFactory;
import com.github.fge.jsonschema.report.ProcessingMessage;
import com.github.fge.jsonschema.report.ProcessingReport;
import com.github.fge.jsonschema.util.JsonLoader;
import org.apache.catalina.LifecycleException;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.dcae.restapi.RestfulCollectorServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import javax.servlet.ServletException;
public class CommonStartup extends NsaBaseEndpoint implements Runnable {
public static final String KCONFIG = "c";
public static final String KSETTING_PORT = "collector.service.port";
public static final int KDEFAULT_PORT = 8080;
public static final String KSETTING_SECUREPORT = "collector.service.secure.port";
public static final int KDEFAULT_SECUREPORT = -1;
public static final String KSETTING_KEYSTOREPASSFILE = "collector.keystore.passwordfile";
public static final String KDEFAULT_KEYSTOREPASSFILE = "../etc/passwordfile";
public static final String KSETTING_KEYSTOREFILE = "collector.keystore.file.location";
public static final String KDEFAULT_KEYSTOREFILE = "../etc/keystore";
public static final String KSETTING_KEYALIAS = "collector.keystore.alias";
public static final String KDEFAULT_KEYALIAS = "tomcat";
public static final String KSETTING_DMAAPCONFIGS = "collector.dmaapfile";
protected static final String[] KDEFAULT_DMAAPCONFIGS = new String[] { "/etc/DmaapConfig.json" };
public static final String KSETTING_MAXQUEUEDEVENTS = "collector.inputQueue.maxPending";
public static final int KDEFAULT_MAXQUEUEDEVENTS = 1024*4;
public static final String KSETTING_SCHEMAVALIDATOR = "collector.schema.checkflag";
public static final int KDEFAULT_SCHEMAVALIDATOR = -1;
public static final String KSETTING_SCHEMAFILE = "collector.schema.file";
public static final String KDEFAULT_SCHEMAFILE = "{\"v5\":\"./etc/CommonEventFormat_28.3.json\"}";
public static final String KSETTING_EXCEPTIONCONFIG = "exceptionConfig";
public static final String KSETTING_DMAAPSTREAMID = "collector.dmaap.streamid";
public static final String KSETTING_AUTHFLAG = "header.authflag";
public static final int KDEFAULT_AUTHFLAG = 0;
public static final String kSetting_authid = "header.authid";
public static final String kSetting_authpwd = "header.authpwd";
public static final String kSetting_authstore = "header.authstore";
public static final String kSetting_authlist = "header.authlist";
public static final String KSETTING_EVENTTRANSFORMFLAG = "event.transform.flag";
public static final int KDEFAULT_EVENTTRANSFORMFLAG = 1;
public static final Logger inlog = LoggerFactory
.getLogger("org.onap.dcae.commonFunction.input");
public static final Logger oplog = LoggerFactory
.getLogger("org.onap.dcae.commonFunction.output");
public static final Logger eplog = LoggerFactory
.getLogger("org.onap.dcae.commonFunction.error");
public static final Logger metriclog = LoggerFactory.getLogger("com.att.ecomp.metrics");
public static int schema_Validatorflag = -1;
public static int authflag = 1;
public static int eventTransformFlag = 1;
public static String schemaFile;
public static JSONObject schemaFileJson;
public static String exceptionConfig;
public static String cambriaConfigFile;
private boolean listnerstatus;
public static String streamid;
private CommonStartup(rrNvReadable settings)
throws loadException, IOException, rrNvReadable.missingReqdSetting, rrNvReadable.invalidSettingValue, ServletException, InterruptedException {
final List<ApiServerConnector> connectors = new LinkedList<ApiServerConnector>();
if (settings.getInt(KSETTING_PORT, KDEFAULT_PORT) > 0) {
// http service
connectors.add(
new ApiServerConnector.Builder(settings.getInt(KSETTING_PORT, KDEFAULT_PORT))
.secure(false)
.build()
);
}
// optional https service
final int securePort = settings.getInt(KSETTING_SECUREPORT, KDEFAULT_SECUREPORT);
final String keystoreFile = settings
.getString(KSETTING_KEYSTOREFILE, KDEFAULT_KEYSTOREFILE);
final String keystorePasswordFile = settings
.getString(KSETTING_KEYSTOREPASSFILE, KDEFAULT_KEYSTOREPASSFILE);
final String keyAlias = settings.getString(KSETTING_KEYALIAS, KDEFAULT_KEYALIAS);
if (securePort > 0) {
final String KSETTING_KEYSTOREPASS = readFile(keystorePasswordFile,
Charset.defaultCharset());
connectors.add(new ApiServerConnector.Builder(securePort)
.secure(true)
.keystorePassword(KSETTING_KEYSTOREPASS)
.keystoreFile(keystoreFile)
.keyAlias(keyAlias)
.build());
}
//Reading other config properties
schema_Validatorflag = settings.getInt(KSETTING_SCHEMAVALIDATOR, KDEFAULT_SCHEMAVALIDATOR);
if (schema_Validatorflag > 0) {
schemaFile = settings.getString(KSETTING_SCHEMAFILE, KDEFAULT_SCHEMAFILE);
//System.out.println("SchemaFile:" + schemaFile);
schemaFileJson = new JSONObject(schemaFile);
}
exceptionConfig = settings.getString(KSETTING_EXCEPTIONCONFIG, null);
authflag = settings
.getInt(CommonStartup.KSETTING_AUTHFLAG, CommonStartup.KDEFAULT_AUTHFLAG);
String[] currentconffile = settings
.getStrings(CommonStartup.KSETTING_DMAAPCONFIGS, CommonStartup.KDEFAULT_DMAAPCONFIGS);
cambriaConfigFile = currentconffile[0];
streamid = settings.getString(KSETTING_DMAAPSTREAMID, null);
eventTransformFlag = settings
.getInt(KSETTING_EVENTTRANSFORMFLAG, KDEFAULT_EVENTTRANSFORMFLAG);
fTomcatServer = new ApiServer.Builder(connectors, new RestfulCollectorServlet(settings))
.encodeSlashes(true)
.name("collector")
.build();
//Load override exception map
CustomExceptionLoader.LoadMap();
setListnerstatus(true);
}
public static void main(String[] args) {
ExecutorService executor = null;
try {
// process command line arguments
final Map<String, String> argMap = NsaCommandLineUtil.processCmdLine(args, true);
final String config = NsaCommandLineUtil
.getSetting(argMap, KCONFIG, "collector.properties");
final URL settingStream = DrumlinServlet.findStream(config, CommonStartup.class);
final nvReadableStack settings = new nvReadableStack();
settings.push(new nvPropertiesFile(settingStream));
settings.push(new nvReadableTable(argMap));
fProcessingInputQueue = new LinkedBlockingQueue<JSONObject>(
CommonStartup.KDEFAULT_MAXQUEUEDEVENTS);
VESLogger.setUpEcompLogging();
CommonStartup cs = new CommonStartup(settings);
Thread csmain = new Thread(cs);
csmain.start();
EventProcessor ep = new EventProcessor();
//Thread epThread=new Thread(ep);
//epThread.start();
executor = Executors.newFixedThreadPool(20);
executor.execute(ep);
} catch (loadException | missingReqdSetting | IOException | invalidSettingValue |
ServletException | InterruptedException e) {
CommonStartup.eplog.error("FATAL_STARTUP_ERROR" + e.getMessage());
throw new RuntimeException(e);
} finally {
// This will make the executor accept no new threads
// and finish all existing threads in the queue
if (executor != null) {
executor.shutdown();
}
}
}
public void run() {
try {
fTomcatServer.start();
} catch (LifecycleException | IOException e) {
LOG.error("lifecycle or IO: ", e);
}
fTomcatServer.await();
}
public boolean isListnerstatus() {
return listnerstatus;
}
public void setListnerstatus(boolean listnerstatus) {
this.listnerstatus = listnerstatus;
}
public static Queue<JSONObject> getProcessingInputQueue() {
return fProcessingInputQueue;
}
public static class QueueFullException extends Exception {
private static final long serialVersionUID = 1L;
}
public static void handleEvents(JSONArray a)
throws QueueFullException, JSONException, IOException {
final Queue<JSONObject> queue = getProcessingInputQueue();
try {
CommonStartup.metriclog.info("EVENT_PUBLISH_START");
for (int i = 0; i < a.length(); i++) {
if (!queue.offer(a.getJSONObject(i))) {
throw new QueueFullException();
}
}
LOG.debug("CommonStartup.handleEvents:EVENTS has been published successfully!");
CommonStartup.metriclog.info("EVENT_PUBLISH_END");
//ecomplogger.debug(secloggerMessageEnum.SEC_COLLECT_AND_PULIBISH_SUCCESS);
} catch (JSONException e) {
throw e;
}
}
static String readFile(String path, Charset encoding)
throws IOException {
byte[] encoded = Files.readAllBytes(Paths.get(path));
String pwd = new String(encoded);
return pwd.substring(0, pwd.length() - 1);
}
public static String schemavalidate(String jsonData, String jsonSchema) {
ProcessingReport report;
String result = "false";
try {
//System.out.println("Applying schema: @<@<"+jsonSchema+">@>@ to data: #<#<"+jsonData+">#>#");
LOG.trace("Schema validation for event:" + jsonData);
JsonNode schemaNode = JsonLoader.fromString(jsonSchema);
JsonNode data = JsonLoader.fromString(jsonData);
JsonSchemaFactory factory = JsonSchemaFactory.byDefault();
JsonSchema schema = factory.getJsonSchema(schemaNode);
report = schema.validate(data);
} catch (JsonParseException e) {
LOG.error("schemavalidate:JsonParseException for event:" + jsonData);
return e.getMessage().toString();
} catch (ProcessingException e) {
LOG.error("schemavalidate:Processing exception for event:" + jsonData);
return e.getMessage().toString();
} catch (IOException e) {
LOG.error(
"schemavalidate:IO exception; something went wrong trying to read json data for event:"
+ jsonData);
return e.getMessage().toString();
}
if (report != null) {
Iterator<ProcessingMessage> iter = report.iterator();
while (iter.hasNext()) {
ProcessingMessage pm = iter.next();
LOG.trace("Processing Message: " + pm.getMessage());
}
result = String.valueOf(report.isSuccess());
}
try {
LOG.debug("Validation Result:" + result + " Validation report:" + report);
} catch (NullPointerException e) {
LOG.error("schemavalidate:NullpointerException on report");
}
return result;
}
public static LinkedBlockingQueue<JSONObject> fProcessingInputQueue;
private static ApiServer fTomcatServer = null;
private static final Logger LOG = LoggerFactory.getLogger(CommonStartup.class);
}
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