NIFI-3405 - Add uptime to JVM section in System Diagnostics

renamed column for node connection date in cluster

This closes #1492.

Signed-off-by: Koji Kawamura <ijokarumawak@apache.org>

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-client-dto/src/main/java/org/apache/nifi/web/api/dto/SystemDiagnosticsSnapshotDTO.java

@@ -58,6 +58,8 @@ public class SystemDiagnosticsSnapshotDTO implements Cloneable {
     private Integer totalThreads;
     private Integer daemonThreads;
 
+    private String uptime;
+
     private StorageUsageDTO flowFileRepositoryStorageUsage;
     private Set<StorageUsageDTO> contentRepositoryStorageUsage;
     private Set<GarbageCollectionDTO> garbageCollection;
@@ -315,6 +317,15 @@ public class SystemDiagnosticsSnapshotDTO implements Cloneable {
         this.versionInfo = versionInfo;
     }
 
+    @ApiModelProperty("The uptime of the Java virtual machine")
+    public String getUptime() {
+        return uptime;
+    }
+
+    public void setUptime(String uptime) {
+        this.uptime = uptime;
+    }
+
     @Override
     public SystemDiagnosticsSnapshotDTO clone() {
         final SystemDiagnosticsSnapshotDTO other = new SystemDiagnosticsSnapshotDTO();
@@ -358,6 +369,8 @@ public class SystemDiagnosticsSnapshotDTO implements Cloneable {
 
         other.setVersionInfo(getVersionInfo().clone());
 
+        other.setUptime(getUptime());
+
         return other;
     }
 

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/diagnostics/SystemDiagnostics.java

@@ -39,6 +39,8 @@ public class SystemDiagnostics implements Cloneable {
     private int totalThreads;
     private int daemonThreads;
 
+    private long uptime;
+
     private StorageUsage flowFileRepositoryStorageUsage;
     private Map<String, StorageUsage> contentRepositoryStorageUsage;
     private Map<String, GarbageCollection> garbageCollection;
@@ -181,6 +183,14 @@ public class SystemDiagnostics implements Cloneable {
         this.creationTimestamp = creationTimestamp;
     }
 
+    public long getUptime() {
+        return uptime;
+    }
+
+    public void setUptime(long uptime) {
+        this.uptime = uptime;
+    }
+
     @Override
     public SystemDiagnostics clone() {
         final SystemDiagnostics clonedObj = new SystemDiagnostics();
@@ -212,6 +222,7 @@ public class SystemDiagnostics implements Cloneable {
         clonedObj.usedHeap = usedHeap;
         clonedObj.usedNonHeap = usedNonHeap;
         clonedObj.creationTimestamp = creationTimestamp;
+        clonedObj.uptime = uptime;
 
         return clonedObj;
     }

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/diagnostics/SystemDiagnosticsFactory.java

@@ -22,6 +22,7 @@ import java.lang.management.ManagementFactory;
 import java.lang.management.MemoryMXBean;
 import java.lang.management.MemoryUsage;
 import java.lang.management.OperatingSystemMXBean;
+import java.lang.management.RuntimeMXBean;
 import java.lang.management.ThreadMXBean;
 import java.util.Date;
 import java.util.LinkedHashMap;
@@ -52,6 +53,7 @@ public class SystemDiagnosticsFactory {
         final OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
         final ThreadMXBean threads = ManagementFactory.getThreadMXBean();
         final List<GarbageCollectorMXBean> garbageCollectors = ManagementFactory.getGarbageCollectorMXBeans();
+        final RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
 
         systemDiagnostics.setDaemonThreads(threads.getDaemonThreadCount());
         systemDiagnostics.setTotalThreads(threads.getThreadCount());
@@ -64,6 +66,8 @@ public class SystemDiagnosticsFactory {
         systemDiagnostics.setUsedNonHeap(nonHeap.getUsed());
         systemDiagnostics.setMaxNonHeap(nonHeap.getMax());
 
+        systemDiagnostics.setUptime(runtime.getUptime());
+
         systemDiagnostics.setAvailableProcessors(os.getAvailableProcessors());
 
         final double systemLoad = os.getSystemLoadAverage();

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/dto/DtoFactory.java

@@ -2409,6 +2409,9 @@ public final class DtoFactory {
         final SystemDiagnosticsSnapshotDTO.VersionInfoDTO versionInfoDto = createVersionInfoDTO();
         snapshot.setVersionInfo(versionInfoDto);
 
+        // uptime
+        snapshot.setUptime(FormatUtils.formatHoursMinutesSeconds(sysDiagnostics.getUptime(), TimeUnit.MILLISECONDS));
+
         return dto;
     }
 

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/WEB-INF/partials/summary/system-diagnostics-dialog.jsp

@@ -127,6 +127,24 @@
                         </table>
                     </div>
                 </div>
+                <div class="setting">
+                    <div class="setting-header">Runtime</div>
+                    <div id="jvm-runtime-container" class="setting-field">
+                        <table id="jvm-runtime-table">
+                            <tbody>
+                                <tr>
+                                    <td class="setting-name">Uptime:</td>
+                                </tr>
+                                <tr>
+                                    <td><span id="uptime"></span></td>
+                                </tr>
+                                <tr>
+                                    <td></td>
+                                </tr>
+                            </tbody>
+                        </table>
+                    </div>
+                </div>
             </div>
             <div id="system-tab-content"class="configuration-tab">
             <div class="settings-left">

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/cluster/nf-cluster-table.js

@@ -181,6 +181,15 @@
                 resizable: true,
                 cssClass: 'cell-right',
                 headerCssClass: 'header-right'
+            },
+            {
+                id: 'uptime',
+                field: 'uptime',
+                name: 'Uptime',
+                sortable: true,
+                resizable: true,
+                cssClass: 'cell-right',
+                headerCssClass: 'header-right'
             }
         ],
         tableIdColumn: 'id',
@@ -496,7 +505,7 @@
             {
                 id: 'uptime',
                 field: 'nodeStartTime',
-                name: 'Uptime',
+                name: 'Started At',
                 formatter: valueFormatter,
                 resizable: true,
                 sortable: true,
@@ -944,7 +953,8 @@
                     gcOldGen: garbageCollection[0].collectionCount + ' times (' +
                     garbageCollection[0].collectionTime + ')',
                     gcNewGen: garbageCollection[1].collectionCount + ' times (' +
-                    garbageCollection[1].collectionTime + ')'
+                    garbageCollection[1].collectionTime + ')',
+                    uptime: snapshot.uptime
                 });
             });
             jvmTab.rowCount = jvmTableRows.length;

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/summary/nf-summary-table.js

@@ -2300,6 +2300,9 @@
                 });
             }
             
+            // uptime
+            $('#uptime').text(aggregateSnapshot.uptime);
+
             // available processors
             $('#available-processors').text(aggregateSnapshot.availableProcessors);