Examples with TopologyView org.apache.sling.discovery.TopologyView used on opensource projects

Example 21 with TopologyView

use of org.apache.sling.discovery.TopologyView in project sling by apache.

the class TopologyWebConsolePlugin method printConfiguration.

public void printConfiguration(final PrintWriter pw) {
    final TopologyView topology = this.currentView;
    pw.println(TITLE);
    pw.println("---------------------------------------");
    pw.println();
    if (topology == null) {
        pw.println("No topology available yet!");
        return;
    }
    pw.print("Topology");
    if (!topology.isCurrent()) {
        pw.print(" CHANGING! (the view is no longer current!)");
    }
    pw.println();
    pw.println();
    final Set<ClusterView> clusters = topology.getClusterViews();
    final ClusterView myCluster = topology.getLocalInstance().getClusterView();
    printCluster(pw, myCluster, myCluster);
    for (Iterator<ClusterView> it = clusters.iterator(); it.hasNext(); ) {
        ClusterView clusterView = it.next();
        if (clusterView.equals(myCluster)) {
            // skip - I already rendered that
            continue;
        }
        printCluster(pw, clusterView, myCluster);
    }
    pw.println();
    pw.println();
    final Collection<CachedAnnouncement> incomingConnections = announcementRegistry.listLocalIncomingAnnouncements();
    if (incomingConnections.size() > 0) {
        pw.println("Incoming topology connectors");
        pw.println("---------------------------------------");
        for (final CachedAnnouncement incomingCachedAnnouncement : incomingConnections) {
            Announcement incomingAnnouncement = incomingCachedAnnouncement.getAnnouncement();
            pw.print("Owner Sling Id : ");
            pw.print(incomingAnnouncement.getOwnerId());
            pw.println();
            if (incomingAnnouncement.getServerInfo() != null) {
                pw.print("Server Info : ");
                pw.print(incomingAnnouncement.getServerInfo());
                pw.println();
            }
            pw.println("Last heartbeat received : " + beautifiedTimeDiff(incomingCachedAnnouncement.getLastPing()));
            pw.println("Timeout : " + beautifiedDueTime(incomingCachedAnnouncement.getSecondsUntilTimeout()));
            pw.println();
        }
        pw.println();
        pw.println();
    }
    final Collection<TopologyConnectorClientInformation> outgoingConnections = connectorRegistry.listOutgoingConnectors();
    if (outgoingConnections.size() > 0) {
        pw.println("Outgoing topology connectors");
        pw.println("---------------------------------------");
        for (final TopologyConnectorClientInformation topologyConnectorClient : outgoingConnections) {
            final String remoteSlingId = topologyConnectorClient.getRemoteSlingId();
            final boolean autoStopped = topologyConnectorClient.isAutoStopped();
            final boolean isConnected = topologyConnectorClient.isConnected() && remoteSlingId != null;
            pw.print("Connector URL : ");
            pw.print(topologyConnectorClient.getConnectorUrl());
            pw.println();
            if (autoStopped) {
                pw.println("Conncted to Sling Id : auto-stopped");
                pw.println("Connector status : auto-stopped due to local-loop");
            } else if (isConnected && !topologyConnectorClient.representsLoop()) {
                pw.print("Connected to Sling Id : ");
                pw.println(remoteSlingId);
                pw.println("Connector status : ok, in use");
            } else if (topologyConnectorClient.representsLoop()) {
                pw.print("Connected to Sling Id : ");
                pw.println(remoteSlingId);
                pw.println("Connector status : ok, unused (loop or duplicate): standby");
            } else {
                final int statusCode = topologyConnectorClient.getStatusCode();
                final String statusDetails = topologyConnectorClient.getStatusDetails();
                final String tooltipText;
                switch(statusCode) {
                    case HttpServletResponse.SC_UNAUTHORIZED:
                        tooltipText = HttpServletResponse.SC_UNAUTHORIZED + ": possible setup issue of discovery.impl on target instance, or wrong URL";
                        break;
                    case HttpServletResponse.SC_NOT_FOUND:
                        tooltipText = HttpServletResponse.SC_NOT_FOUND + ": possible white list rejection by target instance";
                        break;
                    case -1:
                        tooltipText = "-1: check error log. possible connection refused.";
                        break;
                    default:
                        tooltipText = null;
                }
                pw.println("Connected to Sling Id : not connected");
                pw.print("Connector status : not ok");
                if (tooltipText != null) {
                    pw.print(" (");
                    pw.print(tooltipText);
                    pw.print(")");
                }
                pw.print(" (HTTP StatusCode: " + statusCode + ", " + statusDetails + ")");
                pw.println();
                pw.println("Last heartbeat sent : " + beautifiedTimeDiff(topologyConnectorClient.getLastPingSent()));
                pw.println("Next heartbeat due : " + beautifiedDueTime(topologyConnectorClient.getNextPingDue()));
            }
            pw.println();
        }
        pw.println();
        pw.println();
    }
    if (topologyLog.size() > 0) {
        pw.println("Topology Change History");
        pw.println("---------------------------------------");
        for (final String aLogEntry : topologyLog) {
            pw.println(aLogEntry);
        }
        pw.println();
        pw.println();
    }
    if (propertyChangeLog.size() > 0) {
        pw.println("Property Change History");
        pw.println("---------------------------------------");
        for (final String aLogEntry : propertyChangeLog) {
            pw.println(aLogEntry);
        }
        pw.println();
    }
    pw.println("SyncTokenService History");
    pw.println("---------------------------------------");
    if (!config.useSyncTokenService()) {
        pw.println("(disabled - useSyncTokenService flag is false)");
    } else if (syncTokenService == null) {
        pw.println("(no SyncTokenService available)");
    } else {
        ClusterSyncHistory clusterSyncHistory = syncTokenService.getClusterSyncHistory();
        if (clusterSyncHistory == null) {
            pw.println("(no history available)");
        } else {
            for (String syncHistoryEntry : clusterSyncHistory.getSyncHistory()) {
                pw.println(syncHistoryEntry);
            }
        }
    }
    pw.println();
    pw.println();
}

Example 22 with TopologyView

use of org.apache.sling.discovery.TopologyView in project sling by apache.

the class JobManagerConfigurationTest method testTopologyChange.

@Test
public void testTopologyChange() throws Exception {
    // mock scheduler
    final ChangeListener ccl = new ChangeListener();
    // add change listener and verify
    ccl.init(1);
    final JobManagerConfiguration config = new JobManagerConfiguration();
    ((AtomicBoolean) TestUtil.getFieldValue(config, "active")).set(true);
    InitDelayingTopologyEventListener startupDelayListener = new InitDelayingTopologyEventListener(1, new TopologyEventListener() {

        @Override
        public void handleTopologyEvent(TopologyEvent event) {
            config.doHandleTopologyEvent(event);
        }
    });
    TestUtil.setFieldValue(config, "startupDelayListener", startupDelayListener);
    config.addListener(ccl);
    ccl.await();
    assertEquals(1, ccl.events.size());
    assertFalse(ccl.events.get(0));
    // create init view
    ccl.init(1);
    final TopologyView initView = createView();
    final TopologyEvent init = new TopologyEvent(TopologyEvent.Type.TOPOLOGY_INIT, null, initView);
    config.handleTopologyEvent(init);
    ccl.await();
    assertEquals(1, ccl.events.size());
    assertTrue(ccl.events.get(0));
    // change view, followed by change props
    ccl.init(2);
    final TopologyView view2 = createView();
    Mockito.when(initView.isCurrent()).thenReturn(false);
    final TopologyEvent change1 = new TopologyEvent(TopologyEvent.Type.TOPOLOGY_CHANGED, initView, view2);
    final TopologyView view3 = createView();
    final TopologyEvent change2 = new TopologyEvent(TopologyEvent.Type.PROPERTIES_CHANGED, view2, view3);
    config.handleTopologyEvent(change1);
    Mockito.when(view2.isCurrent()).thenReturn(false);
    config.handleTopologyEvent(change2);
    ccl.await();
    assertEquals(2, ccl.events.size());
    assertFalse(ccl.events.get(0));
    assertTrue(ccl.events.get(1));
    // we wait another 4 secs to see if there is no another event
    Thread.sleep(4000);
    assertEquals(2, ccl.events.size());
}

Example 23 with TopologyView

use of org.apache.sling.discovery.TopologyView in project sling by apache.

the class TopologyCapabilitiesTest method setup.

@Before
public void setup() {
    // local cluster view
    final ClusterView cv = Mockito.mock(ClusterView.class);
    Mockito.when(cv.getId()).thenReturn("cluster");
    // local description
    final InstanceDescription local = Mockito.mock(InstanceDescription.class);
    Mockito.when(local.isLeader()).thenReturn(true);
    Mockito.when(local.getSlingId()).thenReturn("local");
    Mockito.when(local.getProperty(TopologyCapabilities.PROPERTY_TOPICS)).thenReturn("foo,bar/*,a/**,d/1/2,d/1/*,d/**");
    Mockito.when(local.getClusterView()).thenReturn(cv);
    // topology view
    final TopologyView tv = Mockito.mock(TopologyView.class);
    Mockito.when(tv.getInstances()).thenReturn(Collections.singleton(local));
    Mockito.when(tv.getLocalInstance()).thenReturn(local);
    final JobManagerConfiguration config = Mockito.mock(JobManagerConfiguration.class);
    caps = new TopologyCapabilities(tv, config);
}

Example 24 with TopologyView

use of org.apache.sling.discovery.TopologyView in project sling by apache.

the class EventHelper method toShortString.

/**
     * Returns a shorter toString than the default TopologyEvent.toString()
     * which can be rather large and unusable in log files
     */
public static String toShortString(TopologyEvent event) {
    final TopologyView oldView = event.getOldView();
    final TopologyView newView = event.getNewView();
    final String oldViewToString;
    final String newViewtoString;
    if (oldView instanceof BaseTopologyView) {
        final BaseTopologyView baseOldView = (BaseTopologyView) oldView;
        oldViewToString = baseOldView.toShortString();
    } else {
        oldViewToString = String.valueOf(oldView);
    }
    if (newView instanceof BaseTopologyView) {
        final BaseTopologyView baseNewView = (BaseTopologyView) newView;
        newViewtoString = baseNewView.toShortString();
    } else {
        newViewtoString = String.valueOf(newView);
    }
    return "TopologyEvent [type=" + event.getType() + ", oldView=" + oldViewToString + ", newView=" + newViewtoString + "]";
}

Example 25 with TopologyView

use of org.apache.sling.discovery.TopologyView in project sling by apache.

the class TestInitDelayingTopologyEventListener method createEvent.

private TopologyEvent createEvent(Type type) {
    TopologyView oldView = createView(false);
    TopologyView newView = createView(true);
    switch(type) {
        case TOPOLOGY_CHANGING:
            {
                return new TopologyEvent(type, oldView, null);
            }
        case PROPERTIES_CHANGED:
        case TOPOLOGY_CHANGED:
            {
                return new TopologyEvent(type, oldView, newView);
            }
        case TOPOLOGY_INIT:
            {
                return new TopologyEvent(type, null, newView);
            }
        default:
            {
                throw new IllegalArgumentException("unknown type: " + type);
            }
    }
}