Examples with GetAliasesRequest org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest used on opensource projects

Example 1 with GetAliasesRequest

use of org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest in project elasticsearch by elastic.

the class RestAliasAction method doCatRequest.

@Override
protected RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
    final GetAliasesRequest getAliasesRequest = request.hasParam("alias") ? new GetAliasesRequest(request.param("alias")) : new GetAliasesRequest();
    getAliasesRequest.local(request.paramAsBoolean("local", getAliasesRequest.local()));
    return channel -> client.admin().indices().getAliases(getAliasesRequest, new RestResponseListener<GetAliasesResponse>(channel) {

        @Override
        public RestResponse buildResponse(GetAliasesResponse response) throws Exception {
            Table tab = buildTable(request, response);
            return RestTable.buildResponse(tab, channel);
        }
    });
}

Example 2 with GetAliasesRequest

use of org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest in project elasticsearch by elastic.

the class RestGetAliasesAction method prepareRequest.

@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
    final String[] aliases = request.paramAsStringArrayOrEmptyIfAll("name");
    final GetAliasesRequest getAliasesRequest = new GetAliasesRequest(aliases);
    final String[] indices = Strings.splitStringByCommaToArray(request.param("index"));
    getAliasesRequest.indices(indices);
    getAliasesRequest.indicesOptions(IndicesOptions.fromRequest(request, getAliasesRequest.indicesOptions()));
    getAliasesRequest.local(request.paramAsBoolean("local", getAliasesRequest.local()));
    return channel -> client.admin().indices().getAliases(getAliasesRequest, new RestBuilderListener<GetAliasesResponse>(channel) {

        @Override
        public RestResponse buildResponse(GetAliasesResponse response, XContentBuilder builder) throws Exception {
            if (response.getAliases().isEmpty()) {
                if (indices.length > 0) {
                    return new BytesRestResponse(OK, builder.startObject().endObject());
                } else {
                    final String message = String.format(Locale.ROOT, "alias [%s] missing", toNamesString(getAliasesRequest.aliases()));
                    builder.startObject();
                    {
                        builder.field("error", message);
                        builder.field("status", RestStatus.NOT_FOUND.getStatus());
                    }
                    builder.endObject();
                    return new BytesRestResponse(RestStatus.NOT_FOUND, builder);
                }
            } else {
                builder.startObject();
                {
                    for (final ObjectObjectCursor<String, List<AliasMetaData>> entry : response.getAliases()) {
                        builder.startObject(entry.key);
                        {
                            builder.startObject("aliases");
                            {
                                for (final AliasMetaData alias : entry.value) {
                                    AliasMetaData.Builder.toXContent(alias, builder, ToXContent.EMPTY_PARAMS);
                                }
                            }
                            builder.endObject();
                        }
                        builder.endObject();
                    }
                }
                builder.endObject();
                return new BytesRestResponse(OK, builder);
            }
        }
    });
}

Example 3 with GetAliasesRequest

use of org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest in project graylog2-server by Graylog2.

the class Indices method aliasTarget.

@Nullable
public String aliasTarget(String alias) throws TooManyAliasesException {
    final IndicesAdminClient indicesAdminClient = c.admin().indices();
    final GetAliasesRequest request = indicesAdminClient.prepareGetAliases(alias).request();
    final GetAliasesResponse response = indicesAdminClient.getAliases(request).actionGet();
    // The ES return value of this has an awkward format: The first key of the hash is the target index. Thanks.
    final ImmutableOpenMap<String, List<AliasMetaData>> aliases = response.getAliases();
    if (aliases.size() > 1) {
        throw new TooManyAliasesException(Sets.newHashSet(aliases.keysIt()));
    }
    return aliases.isEmpty() ? null : aliases.keysIt().next();
}