Examples with RestResponseListener org.opensearch.rest.action.RestResponseListener used on opensource projects

Example 11 with RestResponseListener

use of org.opensearch.rest.action.RestResponseListener in project OpenSearch by opensearch-project.

the class RestIndicesAction method doCatRequest.

@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
    final String[] indices = Strings.splitStringByCommaToArray(request.param("index"));
    final IndicesOptions indicesOptions = IndicesOptions.fromRequest(request, IndicesOptions.strictExpand());
    final boolean local = request.paramAsBoolean("local", false);
    TimeValue clusterManagerTimeout = request.paramAsTime("cluster_manager_timeout", DEFAULT_MASTER_NODE_TIMEOUT);
    // Remove the if condition and statements inside after removing MASTER_ROLE.
    if (request.hasParam("master_timeout")) {
        deprecationLogger.deprecate("cat_indices_master_timeout_parameter", MASTER_TIMEOUT_DEPRECATED_MESSAGE);
        if (request.hasParam("cluster_manager_timeout")) {
            throw new OpenSearchParseException(DUPLICATE_PARAMETER_ERROR_MESSAGE);
        }
        clusterManagerTimeout = request.paramAsTime("master_timeout", DEFAULT_MASTER_NODE_TIMEOUT);
    }
    final TimeValue clusterManagerNodeTimeout = clusterManagerTimeout;
    final boolean includeUnloadedSegments = request.paramAsBoolean("include_unloaded_segments", false);
    return channel -> {
        final ActionListener<Table> listener = ActionListener.notifyOnce(new RestResponseListener<Table>(channel) {

            @Override
            public RestResponse buildResponse(final Table table) throws Exception {
                return RestTable.buildResponse(table, channel);
            }
        });
        sendGetSettingsRequest(indices, indicesOptions, local, clusterManagerNodeTimeout, client, new ActionListener<GetSettingsResponse>() {

            @Override
            public void onResponse(final GetSettingsResponse getSettingsResponse) {
                final GroupedActionListener<ActionResponse> groupedListener = createGroupedListener(request, 4, listener);
                groupedListener.onResponse(getSettingsResponse);
                // The list of indices that will be returned is determined by the indices returned from the Get Settings call.
                // All the other requests just provide additional detail, and wildcards may be resolved differently depending on the
                // type of request in the presence of security plugins (looking at you, ClusterHealthRequest), so
                // force the IndicesOptions for all the sub-requests to be as inclusive as possible.
                final IndicesOptions subRequestIndicesOptions = IndicesOptions.lenientExpandHidden();
                // Indices that were successfully resolved during the get settings request might be deleted when the subsequent
                // cluster
                // state, cluster health and indices stats requests execute. We have to distinguish two cases:
                // 1) the deleted index was explicitly passed as parameter to the /_cat/indices request. In this case we want the
                // subsequent requests to fail.
                // 2) the deleted index was resolved as part of a wildcard or _all. In this case, we want the subsequent requests
                // not to
                // fail on the deleted index (as we want to ignore wildcards that cannot be resolved).
                // This behavior can be ensured by letting the cluster state, cluster health and indices stats requests re-resolve
                // the
                // index names with the same indices options that we used for the initial cluster state request (strictExpand).
                sendIndicesStatsRequest(indices, subRequestIndicesOptions, includeUnloadedSegments, client, ActionListener.wrap(groupedListener::onResponse, groupedListener::onFailure));
                sendClusterStateRequest(indices, subRequestIndicesOptions, local, clusterManagerNodeTimeout, client, ActionListener.wrap(groupedListener::onResponse, groupedListener::onFailure));
                sendClusterHealthRequest(indices, subRequestIndicesOptions, local, clusterManagerNodeTimeout, client, ActionListener.wrap(groupedListener::onResponse, groupedListener::onFailure));
            }

            @Override
            public void onFailure(final Exception e) {
                listener.onFailure(e);
            }
        });
    };
}

Example 12 with RestResponseListener

use of org.opensearch.rest.action.RestResponseListener in project OpenSearch by opensearch-project.

the class RestNodeAttrsAction method doCatRequest.

@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
    final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
    clusterStateRequest.clear().nodes(true);
    clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
    clusterStateRequest.masterNodeTimeout(request.paramAsTime("cluster_manager_timeout", clusterStateRequest.masterNodeTimeout()));
    parseDeprecatedMasterTimeoutParameter(clusterStateRequest, request, deprecationLogger, getName());
    return channel -> client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {

        @Override
        public void processResponse(final ClusterStateResponse clusterStateResponse) {
            NodesInfoRequest nodesInfoRequest = new NodesInfoRequest();
            nodesInfoRequest.timeout(request.param("timeout"));
            nodesInfoRequest.clear().addMetric(NodesInfoRequest.Metric.PROCESS.metricName());
            client.admin().cluster().nodesInfo(nodesInfoRequest, new RestResponseListener<NodesInfoResponse>(channel) {

                @Override
                public RestResponse buildResponse(NodesInfoResponse nodesInfoResponse) throws Exception {
                    return RestTable.buildResponse(buildTable(request, clusterStateResponse, nodesInfoResponse), channel);
                }
            });
        }
    });
}

Example 13 with RestResponseListener

use of org.opensearch.rest.action.RestResponseListener in project OpenSearch by opensearch-project.

the class RestNodesAction method doCatRequest.

@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
    final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
    clusterStateRequest.clear().nodes(true);
    if (request.hasParam("local")) {
        deprecationLogger.deprecate("cat_nodes_local_parameter", LOCAL_DEPRECATED_MESSAGE);
    }
    clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
    clusterStateRequest.masterNodeTimeout(request.paramAsTime("cluster_manager_timeout", clusterStateRequest.masterNodeTimeout()));
    parseDeprecatedMasterTimeoutParameter(clusterStateRequest, request, deprecationLogger, getName());
    final boolean fullId = request.paramAsBoolean("full_id", false);
    return channel -> client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {

        @Override
        public void processResponse(final ClusterStateResponse clusterStateResponse) {
            NodesInfoRequest nodesInfoRequest = new NodesInfoRequest();
            nodesInfoRequest.timeout(request.param("timeout"));
            nodesInfoRequest.clear().addMetrics(NodesInfoRequest.Metric.JVM.metricName(), NodesInfoRequest.Metric.OS.metricName(), NodesInfoRequest.Metric.PROCESS.metricName(), NodesInfoRequest.Metric.HTTP.metricName());
            client.admin().cluster().nodesInfo(nodesInfoRequest, new RestActionListener<NodesInfoResponse>(channel) {

                @Override
                public void processResponse(final NodesInfoResponse nodesInfoResponse) {
                    NodesStatsRequest nodesStatsRequest = new NodesStatsRequest();
                    nodesStatsRequest.timeout(request.param("timeout"));
                    nodesStatsRequest.clear().indices(true).addMetrics(NodesStatsRequest.Metric.JVM.metricName(), NodesStatsRequest.Metric.OS.metricName(), NodesStatsRequest.Metric.FS.metricName(), NodesStatsRequest.Metric.PROCESS.metricName(), NodesStatsRequest.Metric.SCRIPT.metricName());
                    client.admin().cluster().nodesStats(nodesStatsRequest, new RestResponseListener<NodesStatsResponse>(channel) {

                        @Override
                        public RestResponse buildResponse(NodesStatsResponse nodesStatsResponse) throws Exception {
                            return RestTable.buildResponse(buildTable(fullId, request, clusterStateResponse, nodesInfoResponse, nodesStatsResponse), channel);
                        }
                    });
                }
            });
        }
    });
}

Example 14 with RestResponseListener

use of org.opensearch.rest.action.RestResponseListener in project OpenSearch by opensearch-project.

the class RestPluginsAction method doCatRequest.

@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
    final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
    clusterStateRequest.clear().nodes(true);
    clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
    clusterStateRequest.masterNodeTimeout(request.paramAsTime("cluster_manager_timeout", clusterStateRequest.masterNodeTimeout()));
    parseDeprecatedMasterTimeoutParameter(clusterStateRequest, request, deprecationLogger, getName());
    return channel -> client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {

        @Override
        public void processResponse(final ClusterStateResponse clusterStateResponse) throws Exception {
            NodesInfoRequest nodesInfoRequest = new NodesInfoRequest();
            nodesInfoRequest.timeout(request.param("timeout"));
            nodesInfoRequest.clear().addMetric(NodesInfoRequest.Metric.PLUGINS.metricName());
            client.admin().cluster().nodesInfo(nodesInfoRequest, new RestResponseListener<NodesInfoResponse>(channel) {

                @Override
                public RestResponse buildResponse(final NodesInfoResponse nodesInfoResponse) throws Exception {
                    return RestTable.buildResponse(buildTable(request, clusterStateResponse, nodesInfoResponse), channel);
                }
            });
        }
    });
}

Example 15 with RestResponseListener

use of org.opensearch.rest.action.RestResponseListener in project OpenSearch by opensearch-project.

the class RestSegmentsAction method doCatRequest.

@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
    final String[] indices = Strings.splitStringByCommaToArray(request.param("index"));
    final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
    clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
    clusterStateRequest.masterNodeTimeout(request.paramAsTime("cluster_manager_timeout", clusterStateRequest.masterNodeTimeout()));
    parseDeprecatedMasterTimeoutParameter(clusterStateRequest, request, deprecationLogger, getName());
    clusterStateRequest.clear().nodes(true).routingTable(true).indices(indices);
    return channel -> client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {

        @Override
        public void processResponse(final ClusterStateResponse clusterStateResponse) {
            final IndicesSegmentsRequest indicesSegmentsRequest = new IndicesSegmentsRequest();
            indicesSegmentsRequest.indices(indices);
            client.admin().indices().segments(indicesSegmentsRequest, new RestResponseListener<IndicesSegmentResponse>(channel) {

                @Override
                public RestResponse buildResponse(final IndicesSegmentResponse indicesSegmentResponse) throws Exception {
                    final Map<String, IndexSegments> indicesSegments = indicesSegmentResponse.getIndices();
                    Table tab = buildTable(request, clusterStateResponse, indicesSegments);
                    return RestTable.buildResponse(tab, channel);
                }
            });
        }
    });
}