alluxio.underfs.glusterfs.GlusterFSCluster.java Source code

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Here is the source code for alluxio.underfs.glusterfs.GlusterFSCluster.java

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/*
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

package alluxio.underfs.glusterfs;

import alluxio.Configuration;
import alluxio.PropertyKey;
import alluxio.underfs.UnderFileSystemCluster;

import org.apache.commons.lang3.StringUtils;

import java.io.IOException;

public class GlusterFSCluster extends UnderFileSystemCluster {

    public GlusterFSCluster(String baseDir) {
        super(baseDir);
        checkGlusterConfigured();
    }

    private void checkGlusterConfigured() {
        if (StringUtils.isEmpty(Configuration.get(PropertyKey.UNDERFS_GLUSTERFS_MOUNTS))) {
            throw new IllegalArgumentException("Gluster FS Mounts are undefined");
        }
        if (StringUtils.isEmpty(Configuration.get(PropertyKey.UNDERFS_GLUSTERFS_VOLUMES))) {
            throw new IllegalArgumentException("Gluster FS Volumes are undefined");
        }
    }

    @Override
    public String getUnderFilesystemAddress() {
        checkGlusterConfigured();

        return "glusterfs:///alluxio_test";
    }

    @Override
    public boolean isStarted() {
        checkGlusterConfigured();
        return true;
    }

    @Override
    public void shutdown() throws IOException {
    }

    @Override
    public void start() throws IOException {
        checkGlusterConfigured();
    }
}