[ 
https://issues.apache.org/jira/browse/KNOX-2304?focusedWorklogId=418785&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-418785
 ]

ASF GitHub Bot logged work on KNOX-2304:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 08/Apr/20 18:36
            Start Date: 08/Apr/20 18:36
    Worklog Time Spent: 10m 
      Work Description: lmccay commented on pull request #307: KNOX-2304 - CM 
discovery cluster config monitor needs to be aware of …
URL: https://github.com/apache/knox/pull/307#discussion_r405732710
 
 

 ##########
 File path: 
gateway-discovery-cm/src/main/java/org/apache/knox/gateway/topology/discovery/cm/monitor/PollingConfigurationAnalyzer.java
 ##########
 @@ -360,19 +370,43 @@ private DiscoveryApiClient getApiClient(final 
ServiceDiscoveryConfig discoveryCo
     // Record the new event query timestamp for this address/cluster
     setEventQueryTimestamp(address, clusterName, Instant.now());
 
-    // Query the event log from CM for service/cluster restart events
-    List<ApiEvent> events = 
queryRestartEvents(getApiClient(configCache.getDiscoveryConfig(address, 
clusterName)),
+    // Query the event log from CM for service/cluster start events
+    List<ApiEvent> events = 
queryEvents(getApiClient(configCache.getDiscoveryConfig(address, clusterName)),
                                                clusterName,
                                                lastTimestamp);
     for (ApiEvent event : events) {
-      restartEvents.add(new RestartEvent(event));
+      if(isRelevantEvent(event)) {
+        relevantEvents.add(new StartEvent(event));
+      }
+    }
+
+    return relevantEvents;
+  }
+
+  @SuppressWarnings("unchecked")
+  private boolean isRelevantEvent(ApiEvent event) {
+    boolean rc = false;
+    String command = null;
+    String status = null;
+    List<ApiEventAttribute> attributes = event.getAttributes();
+    Map<String,Object> map = getAttributeMap(attributes);
+    command = (String) ((List<String>) map.get(COMMAND)).get(0);
+    status = (String) ((List<String>) map.get(COMMAND_STATUS)).get(0);
+    if (START_COMMAND.equals(command) || RESTART_COMMAND.equals(command) &&
+        SUCCEEDED_STATUS.equals(status) || STARTED_STATUS.equals(status)) {
 
 Review comment:
   Not at this point. They won't be mixed up between the two and even if they 
were they both mean success.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 418785)
    Time Spent: 2h 50m  (was: 2h 40m)

> CM discovery - cluster config monitor needs to be aware of all relevant CM 
> event types
> --------------------------------------------------------------------------------------
>
>                 Key: KNOX-2304
>                 URL: https://issues.apache.org/jira/browse/KNOX-2304
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: cm-discovery
>    Affects Versions: 1.4.0
>            Reporter: Philip Zampino
>            Assignee: Philip Zampino
>            Priority: Major
>             Fix For: 1.4.0
>
>          Time Spent: 2h 50m
>  Remaining Estimate: 0h
>
> The CM cluster config monitor currently only polls for restart events. There 
> are other event types (e.g., start) that should trigger the configuration 
> analysis and subsequently trigger re-discovery.
> Need to determine the full set of event types that apply, and update the 
> polling query.



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