/**
 * 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.oozie.action.hadoop;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.token.Token;
import org.apache.oozie.action.ActionExecutor.Context;
import org.apache.oozie.util.XLog;

import java.nio.charset.StandardCharsets;

public class InsertTestToken implements CredentialsProvider {
    public static String DUMMY_SECRET_KEY = "DummySecretKey";
    public InsertTestToken() {
    }

    @Override
    public void updateCredentials(Credentials  credentials, Configuration config,
                                  CredentialsProperties props, Context context) {
        try {
            Token<DelegationTokenIdentifier> abctoken = new Token<DelegationTokenIdentifier>();
            credentials.addToken(new Text("ABC Token"), abctoken);
            XLog.getLog(getClass()).debug("Added the ABC token in job conf");
            credentials.addSecretKey(new Text(DUMMY_SECRET_KEY), DUMMY_SECRET_KEY.getBytes(StandardCharsets.UTF_8));
            XLog.getLog(getClass()).debug("Added the " + DUMMY_SECRET_KEY + " in job conf");
        }
        catch (Exception e) {
            XLog.getLog(getClass()).warn("Exception in addtoJobConf", e);
            throw e;
        }
    }
}