From aac457735f24129b9113c53ae93a1a11f524b6c0 Mon Sep 17 00:00:00 2001 From: Manuel Bentele Date: Fri, 8 Jan 2021 13:44:15 +0100 Subject: Add support for QCOW2 images for QEMU --- .../java/org/openslx/util/vm/DiskImageTest.java | 250 +++++++++++++++++++++ .../openslx/util/vm/DiskImageTestResources.java | 16 ++ src/test/resources/disk/image-default.invalid | 1 + src/test/resources/disk/image-default.qcow2 | Bin 0 -> 196624 bytes src/test/resources/disk/image-default.vdi | Bin 0 -> 4608 bytes src/test/resources/disk/image-default.vmdk | Bin 0 -> 196608 bytes .../disk/image_cs-16384_cp-off_l2-off.qcow2 | Bin 0 -> 131072 bytes .../disk/image_cs-16384_cp-off_l2-on.qcow2 | Bin 0 -> 115712 bytes .../disk/image_cs-16384_cp-on_l2-off.qcow2 | Bin 0 -> 82432 bytes .../disk/image_cs-16384_cp-on_l2-on.qcow2 | Bin 0 -> 82432 bytes .../disk/image_cs-2097152_cp-off_l2-off.qcow2 | Bin 0 -> 16777216 bytes .../disk/image_cs-2097152_cp-off_l2-on.qcow2 | Bin 0 -> 14745600 bytes .../disk/image_cs-2097152_cp-on_l2-off.qcow2 | Bin 0 -> 10492416 bytes .../disk/image_cs-2097152_cp-on_l2-on.qcow2 | Bin 0 -> 10492416 bytes .../disk/image_cs-65536_cp-off_l2-off.qcow2 | Bin 0 -> 524288 bytes .../disk/image_cs-65536_cp-off_l2-on.qcow2 | Bin 0 -> 460800 bytes .../disk/image_cs-65536_cp-on_l2-off.qcow2 | Bin 0 -> 328192 bytes .../disk/image_cs-65536_cp-on_l2-on.qcow2 | Bin 0 -> 328192 bytes 18 files changed, 267 insertions(+) create mode 100644 src/test/java/org/openslx/util/vm/DiskImageTest.java create mode 100644 src/test/java/org/openslx/util/vm/DiskImageTestResources.java create mode 100644 src/test/resources/disk/image-default.invalid create mode 100644 src/test/resources/disk/image-default.qcow2 create mode 100644 src/test/resources/disk/image-default.vdi create mode 100644 src/test/resources/disk/image-default.vmdk create mode 100644 src/test/resources/disk/image_cs-16384_cp-off_l2-off.qcow2 create mode 100644 src/test/resources/disk/image_cs-16384_cp-off_l2-on.qcow2 create mode 100644 src/test/resources/disk/image_cs-16384_cp-on_l2-off.qcow2 create mode 100644 src/test/resources/disk/image_cs-16384_cp-on_l2-on.qcow2 create mode 100644 src/test/resources/disk/image_cs-2097152_cp-off_l2-off.qcow2 create mode 100644 src/test/resources/disk/image_cs-2097152_cp-off_l2-on.qcow2 create mode 100644 src/test/resources/disk/image_cs-2097152_cp-on_l2-off.qcow2 create mode 100644 src/test/resources/disk/image_cs-2097152_cp-on_l2-on.qcow2 create mode 100644 src/test/resources/disk/image_cs-65536_cp-off_l2-off.qcow2 create mode 100644 src/test/resources/disk/image_cs-65536_cp-off_l2-on.qcow2 create mode 100644 src/test/resources/disk/image_cs-65536_cp-on_l2-off.qcow2 create mode 100644 src/test/resources/disk/image_cs-65536_cp-on_l2-on.qcow2 (limited to 'src/test') diff --git a/src/test/java/org/openslx/util/vm/DiskImageTest.java b/src/test/java/org/openslx/util/vm/DiskImageTest.java new file mode 100644 index 0000000..7537520 --- /dev/null +++ b/src/test/java/org/openslx/util/vm/DiskImageTest.java @@ -0,0 +1,250 @@ +package org.openslx.util.vm; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertNull; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.IOException; + +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; +import org.openslx.util.vm.DiskImage.ImageFormat; +import org.openslx.util.vm.DiskImage.UnknownImageFormatException; + +public class DiskImageTest +{ + @Test + @DisplayName( "Test detection of VMDK disk image" ) + public void testVmdkDiskImage() throws FileNotFoundException, IOException, UnknownImageFormatException + { + File file = DiskImageTestResources.getDiskFile( "image-default.vmdk" ); + DiskImage image = new DiskImage( file ); + + assertEquals( ImageFormat.VMDK.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 18, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of VDI disk image" ) + public void testVdiDiskImage() throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image-default.vdi" ) ); + + assertEquals( ImageFormat.VDI.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 0, image.hwVersion ); + assertNotNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of default QCOW2 disk image" ) + public void testQcow2DiskImage() throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image-default.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of compressed, 16384 byte cluster QCOW2 disk image with extended L2 tables" ) + public void testQcow2DetectionL2Compressed16384DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-16384_cp-on_l2-on.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( true, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of compressed, 16384 byte cluster QCOW2 disk image without extended L2 tables" ) + public void testQcow2DetectionNonL2Compressed16384DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-16384_cp-on_l2-off.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( true, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of non-compressed, 16384 byte cluster QCOW2 disk image with extended L2 tables" ) + public void testQcow2DetectionL2NonCompressed16384DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-16384_cp-off_l2-on.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of non-compressed, 16384 byte cluster QCOW2 disk image without extended L2 tables" ) + public void testQcow2DetectionNonL2NonCompressed16384DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-16384_cp-off_l2-off.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of compressed, 65536 byte cluster QCOW2 disk image with extended L2 tables" ) + public void testQcow2DetectionL2Compressed65536DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-65536_cp-on_l2-on.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( true, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of compressed, 65536 byte cluster QCOW2 disk image without extended L2 tables" ) + public void testQcow2DetectionNonL2Compressed65536DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-65536_cp-on_l2-off.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( true, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of non-compressed, 65536 byte cluster QCOW2 disk image with extended L2 tables" ) + public void testQcow2DetectionL2NonCompressed65536DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-65536_cp-off_l2-on.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of non-compressed, 65536 byte cluster QCOW2 disk image without extended L2 tables" ) + public void testQcow2DetectionNonL2NonCompressed65536DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-65536_cp-off_l2-off.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of compressed, 2097152 byte cluster QCOW2 disk image with extended L2 tables" ) + public void testQcow2DetectionL2Compressed2097152DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-2097152_cp-on_l2-on.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( true, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of compressed, 2097152 byte cluster QCOW2 disk image without extended L2 tables" ) + public void testQcow2DetectionNonL2Compressed2097152DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-2097152_cp-on_l2-off.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( true, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of non-compressed, 2097152 byte cluster QCOW2 disk image with extended L2 tables" ) + public void testQcow2DetectionL2NonCompressed2097152DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-2097152_cp-off_l2-on.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test detection of non-compressed, 2097152 byte cluster QCOW2 disk image without extended L2 tables" ) + public void testQcow2DetectionNonL2NonCompressed2097152DiskImage() + throws FileNotFoundException, IOException, UnknownImageFormatException + { + DiskImage image = new DiskImage( DiskImageTestResources.getDiskFile( "image_cs-2097152_cp-off_l2-off.qcow2" ) ); + + assertEquals( ImageFormat.QCOW2.toString(), image.getImageFormat().toString() ); + assertEquals( true, image.isStandalone ); + assertEquals( false, image.isSnapshot ); + assertEquals( false, image.isCompressed ); + assertEquals( 3, image.hwVersion ); + assertNull( image.diskDescription ); + } + + @Test + @DisplayName( "Test of invalid disk image" ) + public void testInvalidDiskImage() throws FileNotFoundException, IOException, UnknownImageFormatException + { + Assertions.assertThrows( UnknownImageFormatException.class, () -> { + new DiskImage( DiskImageTestResources.getDiskFile( "image-default.invalid" ) ); + } ); + } +} diff --git a/src/test/java/org/openslx/util/vm/DiskImageTestResources.java b/src/test/java/org/openslx/util/vm/DiskImageTestResources.java new file mode 100644 index 0000000..1f164bd --- /dev/null +++ b/src/test/java/org/openslx/util/vm/DiskImageTestResources.java @@ -0,0 +1,16 @@ +package org.openslx.util.vm; + +import java.io.File; +import java.net.URL; + +public class DiskImageTestResources +{ + private static final String DISK_PREFIX_PATH = File.separator + "disk"; + + public static File getDiskFile( String diskFileName ) + { + String diskPath = DiskImageTestResources.DISK_PREFIX_PATH + File.separator + diskFileName; + URL disk = DiskImageTestResources.class.getResource( diskPath ); + return new File( disk.getFile() ); + } +} diff --git a/src/test/resources/disk/image-default.invalid b/src/test/resources/disk/image-default.invalid new file mode 100644 index 0000000..0402ef7 --- /dev/null +++ b/src/test/resources/disk/image-default.invalid @@ -0,0 +1 @@ +UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU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