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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.flink.yarn.configuration;

import org.apache.flink.util.Preconditions;
import org.apache.flink.yarn.YarnConfigKeys;

import org.apache.hadoop.yarn.api.ApplicationConstants;

import javax.annotation.Nullable;

import java.util.Map;

/** Configuration specific to {@link org.apache.flink.yarn.YarnResourceManagerDriver}. */
public class YarnResourceManagerDriverConfiguration {
    @Nullable private final String webInterfaceUrl;
    private final String rpcAddress;
    private final String yarnFiles;
    private final String flinkClasspath;
    private final String clientShipFiles;
    private final String flinkDistJar;
    private final String currentDir;
    @Nullable private final String remoteKeytabPath;
    @Nullable private final String localKeytabPath;
    @Nullable private final String keytabPrinciple;
    @Nullable private final String krb5Path;
    @Nullable private final String yarnSiteXMLPath;

    public YarnResourceManagerDriverConfiguration(
            Map env, String rpcAddress, @Nullable String webInterfaceUrl) {
        this.rpcAddress = Preconditions.checkNotNull(rpcAddress);
        this.webInterfaceUrl = webInterfaceUrl;
        this.yarnFiles = Preconditions.checkNotNull(env.get(YarnConfigKeys.FLINK_YARN_FILES));
        this.flinkClasspath =
                Preconditions.checkNotNull(env.get(YarnConfigKeys.ENV_FLINK_CLASSPATH));
        this.clientShipFiles =
                Preconditions.checkNotNull(env.get(YarnConfigKeys.ENV_CLIENT_SHIP_FILES));
        this.flinkDistJar = Preconditions.checkNotNull(env.get(YarnConfigKeys.FLINK_DIST_JAR));
        this.remoteKeytabPath = env.get(YarnConfigKeys.REMOTE_KEYTAB_PATH);
        this.localKeytabPath = env.get(YarnConfigKeys.LOCAL_KEYTAB_PATH);
        this.keytabPrinciple = env.get(YarnConfigKeys.KEYTAB_PRINCIPAL);
        this.krb5Path = env.get(YarnConfigKeys.ENV_KRB5_PATH);
        this.yarnSiteXMLPath = env.get(YarnConfigKeys.ENV_YARN_SITE_XML_PATH);
        this.currentDir =
                Preconditions.checkNotNull(env.get(ApplicationConstants.Environment.PWD.key()));
    }

    public String getRpcAddress() {
        return rpcAddress;
    }

    @Nullable
    public String getWebInterfaceUrl() {
        return webInterfaceUrl;
    }

    public String getClientShipFiles() {
        return clientShipFiles;
    }

    public String getFlinkClasspath() {
        return flinkClasspath;
    }

    public String getFlinkDistJar() {
        return flinkDistJar;
    }

    @Nullable
    public String getKeytabPrinciple() {
        return keytabPrinciple;
    }

    @Nullable
    public String getKrb5Path() {
        return krb5Path;
    }

    @Nullable
    public String getLocalKeytabPath() {
        return localKeytabPath;
    }

    @Nullable
    public String getRemoteKeytabPath() {
        return remoteKeytabPath;
    }

    public String getYarnFiles() {
        return yarnFiles;
    }

    @Nullable
    public String getYarnSiteXMLPath() {
        return yarnSiteXMLPath;
    }

    public String getCurrentDir() {
        return currentDir;
    }
}