org.apache.sentry.provider.db.generic.tools.SentryShellSolr.java Source code

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Here is the source code for org.apache.sentry.provider.db.generic.tools.SentryShellSolr.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.sentry.provider.db.generic.tools;

import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.sentry.provider.db.generic.service.thrift.SentryGenericServiceClient;
import org.apache.sentry.provider.db.generic.service.thrift.SentryGenericServiceClientFactory;
import org.apache.sentry.provider.db.generic.tools.command.*;
import org.apache.sentry.provider.db.tools.SentryShellCommon;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * SentryShellSolr is an admin tool, and responsible for the management of repository.
 * The following commands are supported:
 * create role, drop role, add group to role, grant privilege to role,
 * revoke privilege from role, list roles, list privilege for role.
 */
public class SentryShellSolr extends SentryShellCommon {

    private static final Logger LOGGER = LoggerFactory.getLogger(SentryShellSolr.class);
    public static final String SOLR_SERVICE_NAME = "sentry.service.client.solr.service.name";

    @Override
    public void run() throws Exception {
        Command command = null;
        String component = "SOLR";
        Configuration conf = getSentryConf();

        String service = conf.get(SOLR_SERVICE_NAME, "service1");
        SentryGenericServiceClient client = SentryGenericServiceClientFactory.create(conf);
        UserGroupInformation ugi = UserGroupInformation.getLoginUser();
        String requestorName = ugi.getShortUserName();

        if (isCreateRole) {
            command = new CreateRoleCmd(roleName, component);
        } else if (isDropRole) {
            command = new DropRoleCmd(roleName, component);
        } else if (isAddRoleGroup) {
            command = new AddRoleToGroupCmd(roleName, groupName, component);
        } else if (isDeleteRoleGroup) {
            command = new DeleteRoleFromGroupCmd(roleName, groupName, component);
        } else if (isGrantPrivilegeRole) {
            command = new GrantPrivilegeToRoleCmd(roleName, component, privilegeStr,
                    new SolrTSentryPrivilegeConverter(component, service));
        } else if (isRevokePrivilegeRole) {
            command = new RevokePrivilegeFromRoleCmd(roleName, component, privilegeStr,
                    new SolrTSentryPrivilegeConverter(component, service));
        } else if (isListRole) {
            command = new ListRolesCmd(groupName, component);
        } else if (isListPrivilege) {
            command = new ListPrivilegesByRoleCmd(roleName, component, service,
                    new SolrTSentryPrivilegeConverter(component, service));
        }

        // check the requestor name
        if (StringUtils.isEmpty(requestorName)) {
            // The exception message will be recorded in log file.
            throw new Exception("The requestor name is empty.");
        }

        if (command != null) {
            command.execute(client, requestorName);
        }
    }

    private Configuration getSentryConf() {
        Configuration conf = new Configuration();
        conf.addResource(new Path(confPath));
        return conf;
    }

    public static void main(String[] args) throws Exception {
        SentryShellSolr sentryShell = new SentryShellSolr();
        try {
            sentryShell.executeShell(args);
        } catch (Exception e) {
            LOGGER.error(e.getMessage(), e);
            Throwable current = e;
            // find the first printable message;
            while (current != null && current.getMessage() == null) {
                current = current.getCause();
            }
            String error = "";
            if (current != null && current.getMessage() != null) {
                error = "Message: " + current.getMessage();
            }
            System.out.println("The operation failed. " + error);
            System.exit(1);
        }
    }

}