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Watcher: Ignore if template is missing when upgrade is running (elastic/x-pack-elasticsearch#2199) 

If one of the old watcher templates does not exist when we try 
to delete it, the upgrade should just continue.

Original commit: elastic/x-pack-elasticsearch@6a52bad329
This commit is contained in:
Alexander Reelsen 2017-08-08 10:17:58 +02:00 committed by GitHub
parent 1d6f82dbe3
commit 55e88d6857
1 changed files with 17 additions and 7 deletions
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14
plugin/src/main/java/org/elasticsearch/xpack/upgrade/Upgrade.java
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@ -29,6 +29,7 @@ import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.index.IndexNotFoundException;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.indices.IndexTemplateMissingException;
import org.elasticsearch.plugins.ActionPlugin;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestHandler;
@ -290,13 +291,22 @@ public class Upgrade implements ActionPlugin {
private static ActionListener<DeleteIndexTemplateResponse> deleteIndexTemplateListener(String name, ActionListener<Boolean> listener,
Runnable runnable) {
return ActionListener.wrap(r -> {
return ActionListener.wrap(
r -> {
if (r.isAcknowledged()) {
runnable.run();
} else {
listener.onFailure(new ElasticsearchException("Deleting [{}] template was not acknowledged", name));
}
}, listener::onFailure);
},
// if the index template we tried to delete is gone already, no need to worry
e -> {
if (e instanceof IndexTemplateMissingException) {
runnable.run();
} else {
listener.onFailure(e);
}
});
}
private static void startWatcherIfNeeded(Boolean shouldStartWatcher, Client client, ActionListener<TransportResponse.Empty> listener) {