org.apache.sentry.binding.hbaseindexer.conf.HBaseIndexerAuthzConf.java Source code

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Here is the source code for org.apache.sentry.binding.hbaseindexer.conf.HBaseIndexerAuthzConf.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.binding.hbaseindexer.conf;

import java.net.URL;

import org.apache.hadoop.conf.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Contains configuration entries for HBase Indexer Binding
 */
public class HBaseIndexerAuthzConf extends Configuration {

    /**
     * Config setting definitions
     */
    public static enum AuthzConfVars {
        AUTHZ_PROVIDER("sentry.provider",
                "org.apache.sentry.provider.common.HadoopGroupResourceAuthorizationProvider"), AUTHZ_PROVIDER_RESOURCE(
                        "sentry.hbaseindexer.provider.resource",
                        ""), AUTHZ_PROVIDER_BACKEND("sentry.hbaseindexer.provider.backend",
                                "org.apache.sentry.provider.file.SimpleFileProviderBackend"), AUTHZ_POLICY_ENGINE(
                                        "sentry.hbaseindexer.policy.engine",
                                        "org.apache.sentry.policy.engine.common.CommonPolicyEngine"), AUTHZ_SERVICE_NAME(
                                                "sentry.hbaseindexer.service", "KS_INDEXER-1"),
        // binding uses hbase regionserver specification to login, but hbase regionservers
        // support putting _HOST instead of fqdn and doing the translation at runtime.
        // Setting this property tells sentry how to do the translation.
        PRINCIPAL_HOSTNAME("sentry.hbaseindexer.principal.hostname", null);

        private final String varName;
        private final String defaultVal;

        AuthzConfVars(String varName, String defaultVal) {
            this.varName = varName;
            this.defaultVal = defaultVal;
        }

        public String getVar() {
            return varName;
        }

        public String getDefault() {
            return defaultVal;
        }

        public static String getDefault(String varName) {
            for (AuthzConfVars oneVar : AuthzConfVars.values()) {
                if (oneVar.getVar().equalsIgnoreCase(varName)) {
                    return oneVar.getDefault();
                }
            }
            return null;
        }
    }

    @SuppressWarnings("unused")
    private static final Logger LOG = LoggerFactory.getLogger(HBaseIndexerAuthzConf.class);

    public HBaseIndexerAuthzConf(URL hbaseIndexerAuthzSiteURL) {
        super(true);
        addResource(hbaseIndexerAuthzSiteURL, true);
    }

    @Override
    public String get(String varName) {
        return get(varName, AuthzConfVars.getDefault(varName));
    }
}