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Brought back the deprecated _aliases api.

This commit is contained in:
Martijn van Groningen 2014-01-06 11:01:52 +01:00
parent 9763d079b8
commit e3327f5271
2 changed files with 88 additions and 0 deletions
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2
src/main/java/org/elasticsearch/rest/action/RestActionModule.java
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@ -46,6 +46,7 @@ import org.elasticsearch.rest.action.admin.cluster.tasks.RestPendingClusterTasks
import org.elasticsearch.rest.action.admin.indices.alias.RestIndicesAliasesAction;
import org.elasticsearch.rest.action.admin.indices.alias.delete.RestIndexDeleteAliasesAction;
import org.elasticsearch.rest.action.admin.indices.alias.get.RestGetAliasesAction;
import org.elasticsearch.rest.action.admin.indices.alias.get.RestGetIndicesAliasesAction;
import org.elasticsearch.rest.action.admin.indices.alias.head.RestAliasesExistAction;
import org.elasticsearch.rest.action.admin.indices.alias.put.RestIndexPutAliasAction;
import org.elasticsearch.rest.action.admin.indices.analyze.RestAnalyzeAction;
@ -151,6 +152,7 @@ public class RestActionModule extends AbstractModule {
bind(RestIndexDeleteAliasesAction.class).asEagerSingleton();
bind(RestIndexPutAliasAction.class).asEagerSingleton();
bind(RestIndicesAliasesAction.class).asEagerSingleton();
bind(RestGetIndicesAliasesAction.class).asEagerSingleton();
bind(RestCreateIndexAction.class).asEagerSingleton();
bind(RestDeleteIndexAction.class).asEagerSingleton();
bind(RestCloseIndexAction.class).asEagerSingleton();

86
src/main/java/org/elasticsearch/rest/action/admin/indices/alias/get/RestGetIndicesAliasesAction.java Normal file
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@ -0,0 +1,86 @@
package org.elasticsearch.rest.action.admin.indices.alias.get;
import com.carrotsearch.hppc.cursors.ObjectCursor;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.Requests;
import org.elasticsearch.cluster.metadata.AliasMetaData;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestXContentBuilder;
import java.io.IOException;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestStatus.OK;
/**
*/
@Deprecated
public class RestGetIndicesAliasesAction extends BaseRestHandler {
@Inject
public RestGetIndicesAliasesAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(GET, "/_aliases", this);
controller.registerHandler(GET, "/{index}/_aliases", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
final String[] indices = Strings.splitStringByCommaToArray(request.param("index"));
ClusterStateRequest clusterStateRequest = Requests.clusterStateRequest()
.filterRoutingTable(true)
.filterNodes(true)
.filteredIndices(indices);
clusterStateRequest.listenerThreaded(false);
client.admin().cluster().state(clusterStateRequest, new ActionListener<ClusterStateResponse>() {
@Override
public void onResponse(ClusterStateResponse response) {
try {
MetaData metaData = response.getState().metaData();
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject();
for (IndexMetaData indexMetaData : metaData) {
builder.startObject(indexMetaData.index(), XContentBuilder.FieldCaseConversion.NONE);
builder.startObject("aliases");
for (ObjectCursor<AliasMetaData> cursor : indexMetaData.aliases().values()) {
AliasMetaData.Builder.toXContent(cursor.value, builder, ToXContent.EMPTY_PARAMS);
}
builder.endObject();
builder.endObject();
}
builder.endObject();
channel.sendResponse(new XContentRestResponse(request, OK, builder));
} catch (Throwable e) {
onFailure(e);
}
}
@Override
public void onFailure(Throwable e) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
}
});
}
}