Reduce technical debt
[policy/engine.git] / POLICY-SDK-APP / src / main / java / org / onap / policy / controller / DashboardController.java
1 /*-
2  * ============LICENSE_START=======================================================
3  * ONAP Policy Engine
4  * ================================================================================
5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6  * ================================================================================
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  * ============LICENSE_END=========================================================
19  */
20
21 package org.onap.policy.controller;
22
23
24 import java.io.IOException;
25 import java.net.MalformedURLException;
26 import java.util.ArrayList;
27 import java.util.HashMap;
28 import java.util.List;
29 import java.util.Map;
30 import java.util.Set;
31 import java.util.regex.Matcher;
32 import java.util.regex.Pattern;
33
34 import javax.management.AttributeNotFoundException;
35 import javax.management.InstanceNotFoundException;
36 import javax.management.MBeanException;
37 import javax.management.MalformedObjectNameException;
38 import javax.management.ObjectName;
39 import javax.management.ReflectionException;
40 import javax.management.remote.JMXConnector;
41 import javax.management.remote.JMXConnectorFactory;
42 import javax.management.remote.JMXServiceURL;
43 import javax.script.SimpleBindings;
44 import javax.servlet.http.HttpServletRequest;
45 import javax.servlet.http.HttpServletResponse;
46
47 import org.json.JSONObject;
48 import org.onap.policy.common.logging.flexlogger.FlexLogger;
49 import org.onap.policy.common.logging.flexlogger.Logger;
50 import org.onap.policy.dao.SystemLogDbDao;
51 import org.onap.policy.model.PDPGroupContainer;
52 import org.onap.policy.rest.XACMLRestProperties;
53 import org.onap.policy.rest.dao.CommonClassDao;
54 import org.onap.policy.xacml.api.XACMLErrorConstants;
55 import org.onap.policy.xacml.api.pap.OnapPDP;
56 import org.onap.policy.xacml.api.pap.OnapPDPGroup;
57 import org.onap.portalsdk.core.controller.RestrictedBaseController;
58 import org.onap.portalsdk.core.web.support.JsonMessage;
59 import org.springframework.beans.factory.annotation.Autowired;
60 import org.springframework.http.MediaType;
61 import org.springframework.stereotype.Controller;
62 import org.springframework.web.bind.annotation.RequestMapping;
63
64 import com.att.research.xacml.api.pap.PAPException;
65 import com.att.research.xacml.api.pap.PDP;
66 import com.att.research.xacml.api.pap.PDPGroup;
67 import com.att.research.xacml.api.pap.PDPPolicy;
68 import com.att.research.xacml.util.XACMLProperties;
69 import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
70 import com.fasterxml.jackson.annotation.PropertyAccessor;
71 import com.fasterxml.jackson.databind.ObjectMapper;
72
73 @Controller
74 @RequestMapping({"/"})
75 public class DashboardController  extends RestrictedBaseController{
76         private static final Logger policyLogger = FlexLogger.getLogger(DashboardController.class);
77         @Autowired
78         SystemLogDbDao systemDAO;
79
80         @Autowired
81         CommonClassDao commonClassDao;
82
83         private int pdpCount;
84         private PDPGroupContainer pdpConatiner;
85         private ArrayList<Object> pdpStatusData;
86         private ArrayList<Object> papStatusData;
87         private ArrayList<Object> policyActivityData;
88
89         private PolicyController policyController;
90         public PolicyController getPolicyController() {
91                 return policyController;
92         }
93
94         public void setPolicyController(PolicyController policyController) {
95                 this.policyController = policyController;
96         }
97
98         private PolicyController getPolicyControllerInstance(){
99                 return policyController != null ? getPolicyController() : new PolicyController();
100         }
101
102         @RequestMapping(value={"/get_DashboardLoggingData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
103         public void getData(HttpServletRequest request, HttpServletResponse response){
104                 try{
105                         Map<String, Object> model = new HashMap<>();
106                         ObjectMapper mapper = new ObjectMapper();
107                         model.put("availableLoggingDatas", mapper.writeValueAsString(systemDAO.getLoggingData()));
108                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
109                         JSONObject j = new JSONObject(msg);
110                         response.getWriter().write(j.toString());
111                 }
112                 catch (Exception e){
113                         policyLogger.error("Exception Occured"+e);
114                 }
115         }
116
117         @RequestMapping(value={"/get_DashboardSystemAlertData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
118         public void getSystemAlertData(HttpServletRequest request, HttpServletResponse response){
119                 try{
120                         Map<String, Object> model = new HashMap<>();
121                         ObjectMapper mapper = new ObjectMapper();
122                         model.put("systemAlertsTableDatas", mapper.writeValueAsString(systemDAO.getSystemAlertData()));
123                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
124                         JSONObject j = new JSONObject(msg);
125                         response.getWriter().write(j.toString());
126                 }
127                 catch (Exception e){
128                         policyLogger.error("Exception Occured"+e);
129                 }
130         }
131
132         @RequestMapping(value={"/get_DashboardPAPStatusData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
133         public void getPAPStatusData(HttpServletRequest request, HttpServletResponse response){
134                 try{
135                         Map<String, Object> model = new HashMap<>();
136                         ObjectMapper mapper = new ObjectMapper();
137                         mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
138                         addPAPToTable();
139                         model.put("papTableDatas", mapper.writeValueAsString(papStatusData));
140                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
141                         JSONObject j = new JSONObject(msg);
142                         response.getWriter().write(j.toString());
143                 }
144                 catch (Exception e){
145                         policyLogger.error("Exception Occured"+e);
146                 }
147         }
148
149         @RequestMapping(value={"/get_DashboardPDPStatusData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
150         public void getPDPStatusData(HttpServletRequest request, HttpServletResponse response){
151                 try{
152                         Map<String, Object> model = new HashMap<>();
153                         ObjectMapper mapper = new ObjectMapper();
154                         mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
155                         PolicyController controller = getPolicyControllerInstance();
156                         this.pdpConatiner = new PDPGroupContainer(controller.getPapEngine());
157                         addPDPToTable();
158                         model.put("pdpTableDatas", mapper.writeValueAsString(pdpStatusData));
159                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
160                         JSONObject j = new JSONObject(msg);
161                         response.getWriter().write(j.toString());
162                 }
163                 catch (Exception e){
164                         policyLogger.error("Exception Occured"+e);
165                 }
166         }
167
168         @RequestMapping(value={"/get_DashboardPolicyActivityData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
169         public void getPolicyActivityData(HttpServletRequest request, HttpServletResponse response){
170                 try{
171                         Map<String, Object> model = new HashMap<>();
172                         ObjectMapper mapper = new ObjectMapper();
173                         mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
174                         PolicyController controller = getPolicyControllerInstance();
175                         this.pdpConatiner = new PDPGroupContainer(controller.getPapEngine());
176                         addPolicyToTable();
177                         model.put("policyActivityTableDatas", mapper.writeValueAsString(policyActivityData));
178                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
179                         JSONObject j = new JSONObject(msg);
180                         response.getWriter().write(j.toString());
181                 }
182                 catch (Exception e){
183                         policyLogger.error("Exception Occured"+e);
184                 }
185         }
186
187         /*
188          * Add the PAP information to the PAP Table
189          */
190         public void addPAPToTable(){
191                 papStatusData = new ArrayList<>();
192                 String papStatus = null;
193                 try {
194                         PolicyController controller = getPolicyControllerInstance();
195                         Set<OnapPDPGroup> groups = controller.getPapEngine().getOnapPDPGroups();
196                         if (groups == null) {
197                                 throw new PAPException("PAP not running");
198                         }else {
199                                 papStatus = "IS_OK";
200                         }
201                 } catch (PAPException | NullPointerException e1) {
202                         papStatus = "CANNOT_CONNECT";
203                         policyLogger.error("Error getting PAP status, PAP not responding to requests", e1);
204                 }
205                 String papURL = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_URL);
206                 JSONObject object = new JSONObject();
207                 object.put("system", papURL);
208                 object.put("status", papStatus);
209                 List<Object> data = commonClassDao.getDataByQuery("from PolicyEntity", new SimpleBindings());
210                 object.put("noOfPolicy", data.size());
211                 object.put("noOfConnectedTrap", pdpCount);
212                 papStatusData.add(0, object);
213         }
214
215         /**
216          * Add PDP Information to the PDP Table
217          *
218          */
219         public void addPDPToTable(){
220                 pdpCount = 0;
221                 pdpStatusData = new ArrayList<>();
222                 long naCount;
223                 long denyCount = 0;
224                 long permitCount = 0;
225                 for (PDPGroup group : this.pdpConatiner.getGroups()){
226                         for (PDP pdp : group.getPdps()){
227                                 naCount = -1;
228                                 if ("UP_TO_DATE".equals(pdp.getStatus().getStatus().toString())  && ((OnapPDP) pdp).getJmxPort() != 0){
229                                         String pdpIpAddress = parseIPSystem(pdp.getId());
230                                         int port = ((OnapPDP) pdp).getJmxPort();
231                                         if (port != 0){
232                                                 policyLogger.debug("Getting JMX Response Counts from " + pdpIpAddress + " at JMX port " + port);
233                                                 naCount = getRequestCounts(pdpIpAddress, port, "pdpEvaluationNA");
234                                                 permitCount = getRequestCounts(pdpIpAddress, port, "PdpEvaluationPermit");
235                                                 denyCount = getRequestCounts(pdpIpAddress, port, "PdpEvaluationDeny");
236                                         }
237                                 }
238                                 if (naCount == -1){
239                                         JSONObject object = new JSONObject();
240                                         object.put("id", pdp.getId());
241                                         object.put("name", pdp.getName());
242                                         object.put("groupname", group.getName());
243                                         object.put("status", pdp.getStatus().getStatus().toString());
244                                         object.put("description", pdp.getDescription());
245                                         object.put("permitCount", "NA");
246                                         object.put("denyCount", "NA");
247                                         object.put("naCount", "NA");
248                                         pdpStatusData.add(object);
249                                 }else{
250                                         JSONObject object = new JSONObject();
251                                         object.put("id", pdp.getId());
252                                         object.put("name", pdp.getName());
253                                         object.put("groupname", group.getName());
254                                         object.put("status", pdp.getStatus().getStatus().toString());
255                                         object.put("description", pdp.getDescription());
256                                         object.put("permitCount", permitCount);
257                                         object.put("denyCount", denyCount);
258                                         object.put("naCount", naCount);
259                                         pdpStatusData.add(object);
260                                 }
261                                 pdpCount++;
262                         }
263                 }
264         }
265
266         private static String parseIPSystem(String line) {
267                 Pattern pattern = Pattern.compile("://(.+?):");
268                 Matcher ip = pattern.matcher(line);
269                 if (ip.find())
270                 {
271                         return ip.group(1);
272                 }
273                 return null;
274         }
275
276         /*
277          * Contact JMX Connector Sever and return the value of the given jmxAttribute
278          */
279         @SuppressWarnings({ "rawtypes", "unchecked" })
280         private long getRequestCounts(String host, int port, String jmxAttribute) {
281
282                 policyLogger.debug("Create an RMI connector client and connect it to the JMX connector server");
283                 HashMap map = null;
284                 JMXConnector jmxConnection;
285                 try {
286                         jmxConnection = JMXConnectorFactory.newJMXConnector(createConnectionURL(host, port), map);
287                         jmxConnection.connect();
288                         Object o = jmxConnection.getMBeanServerConnection().getAttribute(new ObjectName("PdpRest:type=PdpRestMonitor"), jmxAttribute);
289                         jmxConnection.close();
290                         policyLogger.debug("pdpEvaluationNA value retreived: " + o);
291                         return (long) o;
292                 } catch (MalformedURLException e) {
293                         policyLogger.error("MalformedURLException for JMX connection" , e);
294                 } catch (IOException e) {
295                         policyLogger.error("Error in reteriving" + jmxAttribute + " from JMX connection", e);
296                 } catch (AttributeNotFoundException e) {
297                         policyLogger.error("AttributeNotFoundException  " + jmxAttribute +  " for JMX connection", e);
298                 } catch (InstanceNotFoundException e) {
299                         policyLogger.error("InstanceNotFoundException " + host + " for JMX connection", e);
300                 } catch (MalformedObjectNameException e) {
301                         policyLogger.error("MalformedObjectNameException for JMX connection", e);
302                 } catch (MBeanException e) {
303                         policyLogger.error("MBeanException for JMX connection");
304                         policyLogger.error("Exception Occured"+e);
305                 } catch (ReflectionException e) {
306                         policyLogger.error("ReflectionException for JMX connection", e);
307                 }
308
309                 return -1;
310         }
311
312         private static JMXServiceURL createConnectionURL(String host, int port) throws MalformedURLException{
313             return new JMXServiceURL("rmi", "", 0, "/jndi/rmi://" + host + ":" + port + "/jmxrmi");
314         }
315
316
317         /*
318          * Add the information to the Policy Table
319          */
320         private void addPolicyToTable() {
321                 policyActivityData = new ArrayList<>();
322                 String policyID = null;
323                 int policyFireCount = 0;
324                 Map<String, String> policyMap = new HashMap<>();
325                 Object policyList = null;
326                 //get list of policy
327
328                 for (PDPGroup group : this.pdpConatiner.getGroups()){
329                         for (PDPPolicy policy : group.getPolicies()){
330                                 try{
331                                         policyMap.put(policy.getPolicyId().replace(" ", ""), policy.getId());
332                                 }catch(Exception e){
333                                         policyLogger.error(XACMLErrorConstants.ERROR_SCHEMA_INVALID+policy.getName() +e);
334                                 }
335                         }
336
337                         for (PDP pdp : group.getPdps()){
338                                 // Add rows to the Policy Table
339                                 policyList = null;
340                                 if ("UP_TO_DATE".equals(pdp.getStatus().getStatus().toString()) && ((OnapPDP) pdp).getJmxPort() != 0){
341                                         String pdpIpAddress = parseIPSystem(pdp.getId());
342                                         policyList = getPolicy(pdpIpAddress, ((OnapPDP) pdp).getJmxPort(), "policyCount");
343                                 }
344                                 if (policyList != null && policyList.toString().length() > 3){
345                                         String[]  splitPolicy = policyList.toString().split(",");
346                                         for (String policyKeyValue : splitPolicy){
347                                                 policyID = urnPolicyID(policyKeyValue);
348                                                 policyFireCount = countPolicyID(policyKeyValue);
349                                                 if (policyID != null ){
350                                                         if (policyMap.containsKey(policyID)){
351                                                                 JSONObject object = new JSONObject();
352                                                                 object.put("policyId", policyMap.get(policyID));
353                                                                 object.put("fireCount", policyFireCount);
354                                                                 object.put("system", pdp.getId());
355                                                                 policyActivityData.add(object);
356                                                         }
357                                                 }
358                                         }
359                                 }else {
360                                         if (policyList != null){
361                                                 JSONObject object = new JSONObject();
362                                                 object.put("policyId", "Unable to retrieve policy information");
363                                                 object.put("fireCount", "NA");
364                                                 object.put("system", pdp.getId());
365                                                 policyActivityData.add(object);
366                                         }else{
367                                                 JSONObject object = new JSONObject();
368                                                 object.put("policyId", "Unable to access PDP JMX Server");
369                                                 object.put("fireCount", "NA");
370                                                 object.put("system", pdp.getId());
371                                                 policyActivityData.add(object);
372                                         }
373                                 }
374                         }
375                 }
376         }
377
378         /*
379          * Contact JMX Connector Sever and return the list of {policy id , count}
380          */
381         @SuppressWarnings({ "rawtypes", "unchecked" })
382         private Object getPolicy(String host, int port, String jmxAttribute){
383                 policyLogger.debug("Create an RMI connector client and connect it to the JMX connector server for Policy: " + host);
384                 HashMap map = null;
385                 JMXConnector jmxConnection;
386                 try {
387                         jmxConnection = JMXConnectorFactory.newJMXConnector(createConnectionURL(host, port), map);
388                         jmxConnection.connect();
389                         Object o = jmxConnection.getMBeanServerConnection().getAttribute(new ObjectName("PdpRest:type=PdpRestMonitor"), "policyMap");
390                         jmxConnection.close();
391                         policyLogger.debug("policyMap value retreived: " + o);
392                         return  o;
393                 } catch (MalformedURLException e) {
394                         policyLogger.error("MalformedURLException for JMX connection" , e);
395                 } catch (IOException e) {
396                         policyLogger.error("AttributeNotFoundException for policyMap" , e);
397                 } catch (AttributeNotFoundException e) {
398                         policyLogger.error("AttributeNotFoundException for JMX connection", e);
399                 } catch (InstanceNotFoundException e) {
400                         policyLogger.error("InstanceNotFoundException " + host + " for JMX connection", e);
401                 } catch (MalformedObjectNameException e) {
402                         policyLogger.error("MalformedObjectNameException for JMX connection", e);
403                 } catch (MBeanException e) {
404                         policyLogger.error("MBeanException for JMX connection", e);
405                         policyLogger.error("Exception Occured"+e);
406                 } catch (ReflectionException e) {
407                         policyLogger.error("ReflectionException for JMX connection", e);
408                 }
409
410                 return null;
411
412         }
413
414         private static String urnPolicyID(String line){
415                 String[]  splitLine = line.split("=");
416                 String removeSpaces = splitLine[0].replaceAll("\\s+", "");
417                 return removeSpaces.replace("{", "");
418         }
419
420         private static Integer countPolicyID(String line){
421                 String[]  splitLine = line.split("=");
422                 String sCount = splitLine[1].replace("}", "");
423                 return Integer.parseInt(sCount);
424         }
425
426 }