org.elasticsearch.rest.action.admin.cluster.RestReloadSecureSettingsAction Maven / Gradle / Ivy

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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.rest.action.admin.cluster;

import org.elasticsearch.action.admin.cluster.node.reload.NodesReloadSecureSettingsRequest;
import org.elasticsearch.action.admin.cluster.node.reload.NodesReloadSecureSettingsRequestBuilder;
import org.elasticsearch.action.admin.cluster.node.reload.NodesReloadSecureSettingsResponse;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.settings.SecureString;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.rest.action.RestActions;
import org.elasticsearch.rest.action.RestBuilderListener;

import java.io.IOException;
import java.util.List;

import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import static org.elasticsearch.rest.RestRequest.Method.POST;

public final class RestReloadSecureSettingsAction extends BaseRestHandler {

    static final ObjectParser PARSER =
        new ObjectParser<>("reload_secure_settings", NodesReloadSecureSettingsRequest::new);

    static {
        PARSER.declareString((request, value) -> request.setSecureStorePassword(new SecureString(value.toCharArray())),
            new ParseField("secure_settings_password"));
    }

    @Override
    public String getName() {
        return "nodes_reload_action";
    }

    @Override
    public List routes() {
        return unmodifiableList(asList(
            new Route(POST, "/_nodes/reload_secure_settings"),
            new Route(POST, "/_nodes/{nodeId}/reload_secure_settings")));
    }

    @Override
    public RestChannelConsumer prepareRequest(RestRequest request, NodeClient client) throws IOException {
        final String[] nodesIds = Strings.splitStringByCommaToArray(request.param("nodeId"));
        final NodesReloadSecureSettingsRequestBuilder nodesRequestBuilder = client.admin()
            .cluster()
            .prepareReloadSecureSettings()
            .setTimeout(request.param("timeout"))
            .setNodesIds(nodesIds);
        request.withContentOrSourceParamParserOrNull(parser -> {
            if (parser != null) {
                final NodesReloadSecureSettingsRequest nodesRequest = PARSER.parse(parser, null);
                nodesRequestBuilder.setSecureStorePassword(nodesRequest.getSecureSettingsPassword());
            }
        });

        return channel -> nodesRequestBuilder
                .execute(new RestBuilderListener(channel) {
                    @Override
                    public RestResponse buildResponse(NodesReloadSecureSettingsResponse response, XContentBuilder builder)
                        throws Exception {
                        builder.startObject();
                        RestActions.buildNodesHeader(builder, channel.request(), response);
                        builder.field("cluster_name", response.getClusterName().value());
                        response.toXContent(builder, channel.request());
                        builder.endObject();
                        nodesRequestBuilder.request().closePassword();
                        return new BytesRestResponse(RestStatus.OK, builder);
                    }
                });
    }

    @Override
    public boolean canTripCircuitBreaker() {
        return false;
    }

}