CmdClusters.java

/**
 * Copyright 2016 Yahoo Inc.
 *
 * Licensed 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 com.yahoo.pulsar.admin.cli;

import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.yahoo.pulsar.client.admin.PulsarAdmin;
import com.yahoo.pulsar.client.admin.PulsarAdminException;
import com.yahoo.pulsar.common.policies.data.ClusterData;

@Parameters(commandDescription = "Operations about clusters")
public class CmdClusters extends CmdBase {

    @Parameters(commandDescription = "List the existing clusters")
    private class List extends CliCommand {
        void run() throws PulsarAdminException {
            print(admin.clusters().getClusters());
        }
    }

    @Parameters(commandDescription = "Get the configuration data for the specified cluster")
    private class Get extends CliCommand {
        @Parameter(description = "cluster-name\n", required = true)
        private java.util.List<String> params;

        void run() throws PulsarAdminException {
            String cluster = getOneArgument(params);
            print(admin.clusters().getCluster(cluster));
        }
    }

    @Parameters(commandDescription = "Provisions a new cluster. This operation requires Pulsar super-user privileges")
    private class Create extends CliCommand {
        @Parameter(description = "cluster-name\n", required = true)
        private java.util.List<String> params;

        @Parameter(names = "--url", description = "service-url", required = true)
        private String serviceUrl;

        @Parameter(names = "--url-secure", description = "service-url for secure connection", required = false)
        private String serviceUrlTls;
        
        @Parameter(names = "--broker-url", description = "broker-service-url", required = false)
        private String brokerServiceUrl;
        
        @Parameter(names = "--broker-url-secure", description = "broker-service-url for secure connection", required = false)
        private String brokerServiceUrlTls;

        void run() throws PulsarAdminException {
            String cluster = getOneArgument(params);
            admin.clusters().createCluster(cluster,
                    new ClusterData(serviceUrl, serviceUrlTls, brokerServiceUrl, brokerServiceUrlTls));
        }
    }

    @Parameters(commandDescription = "Update the configuration for a cluster")
    private class Update extends CliCommand {
        @Parameter(description = "cluster-name\n", required = true)
        private java.util.List<String> params;

        @Parameter(names = "--url", description = "service-url", required = true)
        private String serviceUrl;

        @Parameter(names = "--url-secure", description = "service-url for secure connection", required = false)
        private String serviceUrlTls;
        
        @Parameter(names = "--broker-url", description = "broker-service-url", required = false)
        private String brokerServiceUrl;
        
        @Parameter(names = "--broker-url-secure", description = "broker-service-url for secure connection", required = false)
        private String brokerServiceUrlTls;

        void run() throws PulsarAdminException {
            String cluster = getOneArgument(params);
            admin.clusters().updateCluster(cluster,
                    new ClusterData(serviceUrl, serviceUrlTls, brokerServiceUrl, brokerServiceUrlTls));
        }
    }

    @Parameters(commandDescription = "Deletes an existing cluster")
    private class Delete extends CliCommand {
        @Parameter(description = "cluster-name\n", required = true)
        private java.util.List<String> params;

        void run() throws PulsarAdminException {
            String cluster = getOneArgument(params);
            admin.clusters().deleteCluster(cluster);
        }
    }

    public CmdClusters(PulsarAdmin admin) {
        super("clusters", admin);
        jcommander.addCommand("get", new Get());
        jcommander.addCommand("create", new Create());
        jcommander.addCommand("update", new Update());
        jcommander.addCommand("delete", new Delete());
        jcommander.addCommand("list", new List());
    }

}