Examples with Volume org.apache.accumulo.core.volume.Volume used on opensource projects

Example 16 with Volume

use of org.apache.accumulo.core.volume.Volume in project accumulo by apache.

the class ChangeSecret method updateHdfs.

private static void updateHdfs(VolumeManager fs, Instance inst, String newInstanceId) throws IOException {
    // Need to recreate the instanceId on all of them to keep consistency
    for (Volume v : fs.getVolumes()) {
        final Path instanceId = ServerConstants.getInstanceIdLocation(v);
        if (!v.getFileSystem().delete(instanceId, true)) {
            throw new IOException("Could not recursively delete " + instanceId);
        }
        if (!v.getFileSystem().mkdirs(instanceId)) {
            throw new IOException("Could not create directory " + instanceId);
        }
        v.getFileSystem().create(new Path(instanceId, newInstanceId)).close();
    }
}

Example 17 with Volume

use of org.apache.accumulo.core.volume.Volume in project accumulo by apache.

the class AccumuloTest method testUpdateAccumuloVersion.

@Test
public void testUpdateAccumuloVersion() throws Exception {
    Volume v1 = createMock(Volume.class);
    FileSystem fs1 = createMock(FileSystem.class);
    Path baseVersion1 = new Path("hdfs://volume1/accumulo/version");
    Path oldVersion1 = new Path("hdfs://volume1/accumulo/version/7");
    Path newVersion1 = new Path("hdfs://volume1/accumulo/version/" + Integer.toString(ServerConstants.DATA_VERSION));
    FileStatus[] files1 = mockPersistentVersion("7");
    expect(fs1.listStatus(baseVersion1)).andReturn(files1);
    replay(fs1);
    FSDataOutputStream fsdos1 = createMock(FSDataOutputStream.class);
    expect(v1.getFileSystem()).andReturn(fs1);
    expect(v1.prefixChild(ServerConstants.VERSION_DIR)).andReturn(baseVersion1).times(2);
    replay(v1);
    fsdos1.close();
    replay(fsdos1);
    Volume v2 = createMock(Volume.class);
    FileSystem fs2 = createMock(FileSystem.class);
    Path baseVersion2 = new Path("hdfs://volume2/accumulo/version");
    Path oldVersion2 = new Path("hdfs://volume2/accumulo/version/7");
    Path newVersion2 = new Path("hdfs://volume2/accumulo/version/" + Integer.toString(ServerConstants.DATA_VERSION));
    FileStatus[] files2 = mockPersistentVersion("7");
    expect(fs2.listStatus(baseVersion2)).andReturn(files2);
    replay(fs2);
    FSDataOutputStream fsdos2 = createMock(FSDataOutputStream.class);
    expect(v2.getFileSystem()).andReturn(fs2);
    expect(v2.prefixChild(ServerConstants.VERSION_DIR)).andReturn(baseVersion2).times(2);
    replay(v2);
    fsdos2.close();
    replay(fsdos2);
    VolumeManager vm = createMock(VolumeManager.class);
    expect(vm.getVolumes()).andReturn(Sets.newHashSet(v1, v2));
    expect(vm.delete(oldVersion1)).andReturn(true);
    expect(vm.create(newVersion1)).andReturn(fsdos1);
    expect(vm.delete(oldVersion2)).andReturn(true);
    expect(vm.create(newVersion2)).andReturn(fsdos2);
    replay(vm);
    Accumulo.updateAccumuloVersion(vm, 7);
}