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https://issues.apache.org/jira/browse/KNOX-2304?focusedWorklogId=418595&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-418595
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ASF GitHub Bot logged work on KNOX-2304:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Apr/20 15:01
Start Date: 08/Apr/20 15:01
Worklog Time Spent: 10m
Work Description: pzampino 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_r405592686
##########
File path:
gateway-discovery-cm/src/main/java/org/apache/knox/gateway/topology/discovery/cm/monitor/PollingConfigurationAnalyzer.java
##########
@@ -365,12 +375,32 @@ private DiscoveryApiClient getApiClient(final
ServiceDiscoveryConfig discoveryCo
clusterName,
lastTimestamp);
for (ApiEvent event : events) {
- restartEvents.add(new RestartEvent(event));
+ List<ApiEventAttribute> attributes = event.getAttributes();
+ Map<String,Object> map = getAttributeMap(attributes);
+ addIfRelevantEvent(restartEvents, event, map);
}
return restartEvents;
}
+ @SuppressWarnings("unchecked")
+ private void addIfRelevantEvent(List<RestartEvent> restartEvents, ApiEvent
event, Map<String, Object> map) {
+ String command = null;
+ String status = null;
+ 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)) {
+ restartEvents.add(new RestartEvent(event));
+ }
+ }
+
+ private Map<String, Object> getAttributeMap(List<ApiEventAttribute>
attributes) {
+ Map<String,Object> map = new HashMap<>();
+ attributes.forEach(attr -> { map.put(attr.getName(), attr.getValues());});
Review comment:
The map is associated with a specific ApiEvent, so I'm not sure that the map
is the concern. We may want to sort the ApiEvent collection by _timeOccurred_
to avoid issues associated with what you're describing.
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Issue Time Tracking
-------------------
Worklog Id: (was: 418595)
Time Spent: 1h (was: 50m)
> 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: 1h
> 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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