@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
ClusterStateRequest clusterStateRequest =
Requests.clusterStateRequest()
.filterRoutingTable(true)
.filterNodes(true)
.filteredIndexTemplates(request.param("name"))
.filterOutIndices();
clusterStateRequest.listenerThreaded(false);
client
.admin()
.cluster()
.state(
clusterStateRequest,
new ActionListener<ClusterStateResponse>() {
@Override
public void onResponse(ClusterStateResponse response) {
Map<String, String> paramsMap = Maps.newHashMap();
paramsMap.put("reduce_mappings", "true");
ToXContent.Params params = new ToXContent.DelegatingMapParams(paramsMap, request);
try {
MetaData metaData = response.getState().metaData();
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject();
for (IndexTemplateMetaData indexMetaData : metaData.templates().values()) {
IndexTemplateMetaData.Builder.toXContent(indexMetaData, builder, params);
}
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);
}
}
});
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
ClusterStateRequest clusterStateRequest =
Requests.clusterStateRequest()
.filterRoutingTable(true)
.filterNodes(true)
.filteredIndexTemplates(request.param("name"))
.filteredIndices("_na");
clusterStateRequest.listenerThreaded(false);
client
.admin()
.cluster()
.state(
clusterStateRequest,
new ActionListener<ClusterStateResponse>() {
@Override
public void onResponse(ClusterStateResponse response) {
try {
MetaData metaData = response.state().metaData();
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject();
for (IndexTemplateMetaData indexMetaData : metaData.templates().values()) {
builder.startObject(
indexMetaData.name(), XContentBuilder.FieldCaseConversion.NONE);
builder.field("template", indexMetaData.template());
builder.field("order", indexMetaData.order());
builder.startObject("settings");
Settings settings = settingsFilter.filterSettings(indexMetaData.settings());
for (Map.Entry<String, String> entry : settings.getAsMap().entrySet()) {
builder.field(entry.getKey(), entry.getValue());
}
builder.endObject();
builder.startObject("mappings");
for (Map.Entry<String, CompressedString> entry :
indexMetaData.mappings().entrySet()) {
byte[] mappingSource = entry.getValue().uncompressed();
XContentParser parser =
XContentFactory.xContent(mappingSource).createParser(mappingSource);
Map<String, Object> mapping = parser.map();
if (mapping.size() == 1 && mapping.containsKey(entry.getKey())) {
// the type name is the root value, reduce it
mapping = (Map<String, Object>) mapping.get(entry.getKey());
}
builder.field(entry.getKey());
builder.map(mapping);
}
builder.endObject();
builder.endObject();
}
builder.endObject();
channel.sendResponse(new XContentRestResponse(request, OK, builder));
} catch (Exception 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);
}
}
});
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
clusterStateRequest.listenerThreaded(false);
clusterStateRequest.masterNodeTimeout(TimeValue.timeValueMillis(0));
clusterStateRequest.local(true);
clusterStateRequest.filterAll().filterBlocks(false);
client
.admin()
.cluster()
.state(
clusterStateRequest,
new ActionListener<ClusterStateResponse>() {
@Override
public void onResponse(ClusterStateResponse response) {
RestStatus status = RestStatus.OK;
if (response.getState().blocks().hasGlobalBlock(RestStatus.SERVICE_UNAVAILABLE)) {
status = RestStatus.SERVICE_UNAVAILABLE;
}
if (request.method() == RestRequest.Method.HEAD) {
channel.sendResponse(new StringRestResponse(status));
return;
}
try {
XContentBuilder builder =
RestXContentBuilder.restContentBuilder(request).prettyPrint();
builder.startObject();
builder.field("ok", true);
builder.field("status", status.getStatus());
if (settings.get("name") != null) {
builder.field("name", settings.get("name"));
}
builder
.startObject("version")
.field("number", version.number())
.field("build_hash", Build.CURRENT.hash())
.field("build_timestamp", Build.CURRENT.timestamp())
.field("build_snapshot", version.snapshot)
// We use the lucene version from lucene constants since
// this includes bugfix release version as well and is already in
// the right format. We can also be sure that the format is maitained
// since this is also recorded in lucene segments and has BW compat
.field("lucene_version", Constants.LUCENE_MAIN_VERSION)
.endObject();
builder.field("tagline", "You Know, for Search");
builder.endObject();
channel.sendResponse(new XContentRestResponse(request, status, builder));
} catch (Throwable e) {
onFailure(e);
}
}
@Override
public void onFailure(Throwable e) {
try {
if (request.method() == HEAD) {
channel.sendResponse(new StringRestResponse(ExceptionsHelper.status(e)));
} else {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
}
} catch (Exception e1) {
logger.warn("Failed to send response", e);
}
}
});
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
final String[] indices = splitIndices(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.state().metaData();
if (metaData.indices().isEmpty()) {
channel.sendResponse(
new XContentThrowableRestResponse(
request, new IndexMissingException(new Index(indices[0]))));
return;
}
boolean foundAny = false;
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject();
for (IndexMetaData indexMetaData : metaData) {
builder.startObject(
indexMetaData.index(), XContentBuilder.FieldCaseConversion.NONE);
foundAny = true;
builder.startObject("settings");
Settings settings = settingsFilter.filterSettings(indexMetaData.settings());
for (Map.Entry<String, String> entry : settings.getAsMap().entrySet()) {
builder.field(entry.getKey(), entry.getValue());
}
builder.endObject();
builder.endObject();
}
builder.endObject();
channel.sendResponse(
new XContentRestResponse(request, foundAny ? OK : NOT_FOUND, builder));
} catch (Exception 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);
}
}
});
}