org.graylog2.shared.system.stats.fs.JmxFsProbe Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.shared.system.stats.fs;
import com.google.common.collect.ImmutableSet;
import javax.annotation.Nullable;
import javax.inject.Inject;
import javax.inject.Named;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
public class JmxFsProbe implements FsProbe {
private final Set locations;
@Inject
public JmxFsProbe(@Named("message_journal_dir") File journalDirectory) {
this.locations = ImmutableSet.of(journalDirectory);
}
@Override
public FsStats fsStats() {
final Map filesystems = new HashMap<>(locations.size());
for (File location : locations) {
final String path = location.getAbsolutePath();
final long total = location.getTotalSpace();
final long free = location.getFreeSpace();
final long available = location.getUsableSpace();
final long used = total - free;
final short usedPercent = (short) ((double) used / total * 100);
final FsStats.Filesystem filesystem = FsStats.Filesystem.create(
path, total, free, available, used, usedPercent);
filesystems.put(path, filesystem);
}
return FsStats.create(filesystems);
}
}