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wait for put index template call to return when executed during startup, otherwise don't wait. 

Original commit: elastic/x-pack-elasticsearch@689d071b4a
This commit is contained in:
Martijn van Groningen 2015-07-08 00:20:03 +02:00
parent 7f13e2ff06
commit 74d178cfbe
1 changed files with 17 additions and 7 deletions
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24
src/main/java/org/elasticsearch/watcher/support/WatcherIndexTemplateRegistry.java
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@ -7,6 +7,7 @@ package org.elasticsearch.watcher.support;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.MoreExecutors;
import org.elasticsearch.action.admin.indices.template.put.PutIndexTemplateRequest;
import org.elasticsearch.action.admin.indices.template.put.PutIndexTemplateResponse;
import org.elasticsearch.cluster.ClusterChangedEvent;
@ -30,6 +31,7 @@ import org.elasticsearch.watcher.watch.WatchStore;
import java.io.InputStream;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Executor;
/**
*/
@ -80,21 +82,23 @@ public class WatcherIndexTemplateRegistry extends AbstractComponent implements C
return;
}
putTemplatesIfMissing(state);
addTemplatesIfMissing(state, false);
}
/**
* Adds the registered index templates if missing to the cluster.
*/
public void addTemplatesIfMissing() {
putTemplatesIfMissing(clusterService.state());
// to be sure that the templates exist after this method call, we should wait until the put index templates calls
// have returned if the templates were missing
addTemplatesIfMissing(clusterService.state(), true);
}
synchronized void putTemplatesIfMissing(ClusterState state) {
void addTemplatesIfMissing(ClusterState state, boolean wait) {
for (TemplateConfig template : indexTemplates) {
if (!state.metaData().getTemplates().containsKey(template.getTemplateName())) {
logger.debug("adding index template [{}], because it doesn't exist", template.getTemplateName());
putTemplate(template);
putTemplate(template, wait);
} else {
logger.trace("not adding index template [{}], because it already exists", template.getTemplateName());
}
@ -144,13 +148,19 @@ public class WatcherIndexTemplateRegistry extends AbstractComponent implements C
customIndexSettings = MapBuilder.newMapBuilder(customIndexSettings)
.put(config.getSettingsPrefix(), builder.build())
.immutableMap();
putTemplate(config);
putTemplate(config, false);
}
}
}
private void putTemplate(final TemplateConfig config) {
threadPool.generic().execute(new Runnable() {
private void putTemplate(final TemplateConfig config, boolean wait) {
final Executor executor;
if (wait) {
executor = MoreExecutors.directExecutor();
} else {
executor = threadPool.generic();
}
executor.execute(new Runnable() {
@Override
public void run() {
try (InputStream is = WatchStore.class.getResourceAsStream("/" + config.getTemplateName()+ ".json")) {