[7.x] Add action to decommission legacy monitoring cluster alerts (#64373) #66309
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…64373) Adds an action that will proactively remove any watches that monitoring has configured. The action toggles on a new setting that informs the cluster to tear down any previously created cluster alerts, and after that is accepted, the action immediately attempts a best-effort refresh of cluster alert resources in order to force their removal in case collection is disabled or delayed. Since resources are controlled lazily by the existing monitoring exporters, extra care was taken to ensure that any in-flight resource management operations do not race against any resource actions taken by the migration action. Resource installation code was updated with callbacks to report any errors instead of just logging them. # Conflicts: # x-pack/plugin/monitoring/src/internalClusterTest/java/org/elasticsearch/xpack/monitoring/exporter/http/HttpExporterIT.java # x-pack/plugin/monitoring/src/main/java/org/elasticsearch/xpack/monitoring/Monitoring.java # x-pack/plugin/monitoring/src/main/java/org/elasticsearch/xpack/monitoring/exporter/local/LocalExporter.java
jbaiera
commented
Dec 15, 2020
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| @Override | ||
| protected Collection<Class<? extends Plugin>> transportClientPlugins() { | ||
| return Arrays.asList(LocalStateMonitoring.class, MockClusterAlertScriptEngine.TestPlugin.class, | ||
| MockIngestPlugin.class, CommonAnalysisPlugin.class); | ||
| } | ||
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| @Override | ||
| protected Settings transportClientSettings() { | ||
| return Settings.builder().put(super.transportClientSettings()) | ||
| .put(XPackSettings.SECURITY_ENABLED.getKey(), false) | ||
| .put(XPackSettings.WATCHER_ENABLED.getKey(), false) | ||
| .build(); | ||
| } |
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These were added:
- To disable security in the tests. The tests were failing because security expects the Transport client type to be a secure one, but the tests install the mock-nio client.
- To mirror the test plugins here in
transportClientPluginsso that the client in the test has the watcher and monitoring actions available on it.
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are MockIngestPlugin.class, CommonAnalysisPlugin.class needed ?
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Nope! I took them off, along with MockClusterAlertScriptEngine.TestPlugin.class
jbaiera
commented
Dec 15, 2020
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| @Override | ||
| public Collection<Module> createGuiceModules() { | ||
| return XPackPlugin.transportClientMode(settings) ? | ||
| Collections.emptyList() : | ||
| super.createGuiceModules(); | ||
| } |
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Added in order to ignore watcher's feature set object which expects a client to be injected. When creating a transport client, these feature set objects are created at some point and there are no clients available to the injector to give their constructors. This results in a Guice exception.
jakelandis
approved these changes
Dec 15, 2020
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Backports the following commits to 7.x: