org.elasticsearch.rest.action.admin.cluster.reroute.RestClusterRerouteAction Maven / Gradle / Ivy
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.rest.action.admin.cluster.reroute;
import org.elasticsearch.action.admin.cluster.reroute.ClusterRerouteRequest;
import org.elasticsearch.action.admin.cluster.reroute.ClusterRerouteResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.Requests;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.*;
import java.io.IOException;
/**
*/
public class RestClusterRerouteAction extends BaseRestHandler {
private final SettingsFilter settingsFilter;
@Inject
public RestClusterRerouteAction(Settings settings, Client client, RestController controller,
SettingsFilter settingsFilter) {
super(settings, client);
this.settingsFilter = settingsFilter;
controller.registerHandler(RestRequest.Method.POST, "/_cluster/reroute", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
final ClusterRerouteRequest clusterRerouteRequest = Requests.clusterRerouteRequest();
clusterRerouteRequest.listenerThreaded(false);
clusterRerouteRequest.dryRun(request.paramAsBoolean("dry_run", clusterRerouteRequest.dryRun()));
clusterRerouteRequest.timeout(request.paramAsTime("timeout", clusterRerouteRequest.timeout()));
clusterRerouteRequest.masterNodeTimeout(request.paramAsTime("master_timeout", clusterRerouteRequest.masterNodeTimeout()));
if (request.hasContent()) {
try {
clusterRerouteRequest.source(request.content());
} catch (Exception e) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.warn("Failed to send response", e1);
}
return;
}
}
client.admin().cluster().reroute(clusterRerouteRequest, new AcknowledgedRestResponseActionListener(request, channel, logger) {
@Override
protected void addCustomFields(XContentBuilder builder, ClusterRerouteResponse response) throws IOException {
builder.startObject("state");
// by default, filter metadata
if (request.param("filter_metadata") == null) {
request.params().put("filter_metadata", "true");
}
response.getState().settingsFilter(settingsFilter).toXContent(builder, request);
builder.endObject();
}
@Override
public void onFailure(Throwable e) {
if (logger.isDebugEnabled()) {
logger.debug("failed to handle cluster reroute", e);
}
super.onFailure(e);
}
});
}
}