本文整理汇总了Python中rbd.Image.resize方法的典型用法代码示例。如果您正苦于以下问题:Python Image.resize方法的具体用法?Python Image.resize怎么用?Python Image.resize使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rbd.Image
的用法示例。
在下文中一共展示了Image.resize方法的11个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, IMG_NAME)
def tearDown(self):
self.image.close()
remove_image()
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_read(self):
data = self.image.read(0, 20)
eq(data, "\0" * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, "\0" * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
self.image.resize(new_size)
info = self.image.stat()
check_stat(info, new_size, IMG_ORDER)
def test_size(self):
eq(IMG_SIZE, self.image.size())
self.image.create_snap("snap1")
new_size = IMG_SIZE * 2
self.image.resize(new_size)
eq(new_size, self.image.size())
self.image.create_snap("snap2")
self.image.set_snap("snap2")
eq(new_size, self.image.size())
self.image.set_snap("snap1")
eq(IMG_SIZE, self.image.size())
self.image.set_snap(None)
eq(new_size, self.image.size())
self.image.remove_snap("snap1")
self.image.remove_snap("snap2")
def test_resize_down(self):
new_size = IMG_SIZE / 2
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2)
self.image.resize(new_size)
self.image.resize(IMG_SIZE)
read = self.image.read(IMG_SIZE / 2, 256)
eq("\0" * 256, read)
def test_resize_bytes(self):
new_size = IMG_SIZE / 2 - 5
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2 - 10)
self.image.resize(new_size)
self.image.resize(IMG_SIZE)
read = self.image.read(IMG_SIZE / 2 - 10, 5)
eq(data[:5], read)
read = self.image.read(IMG_SIZE / 2 - 5, 251)
eq("\0" * 251, read)
def test_copy(self):
global ioctx
data = rand_data(256)
self.image.write(data, 256)
self.image.copy(ioctx, IMG_NAME + "2")
assert_raises(ImageExists, self.image.copy, ioctx, IMG_NAME + "2")
copy = Image(ioctx, IMG_NAME + "2")
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, IMG_NAME + "2")
eq(data, copy_data)
def test_create_snap(self):
global ioctx
self.image.create_snap("snap1")
read = self.image.read(0, 256)
eq(read, "\0" * 256)
data = rand_data(256)
#.........这里部分代码省略.........
示例2: TestClone
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestClone(object):
@require_features([RBD_FEATURE_LAYERING])
def setUp(self):
global ioctx
global features
self.rbd = RBD()
create_image()
self.image = Image(ioctx, IMG_NAME)
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2)
self.image.create_snap("snap1")
global features
self.image.protect_snap("snap1")
self.rbd.clone(ioctx, IMG_NAME, "snap1", ioctx, "clone", features)
self.clone = Image(ioctx, "clone")
def tearDown(self):
global ioctx
self.clone.close()
self.rbd.remove(ioctx, "clone")
self.image.unprotect_snap("snap1")
self.image.remove_snap("snap1")
self.image.close()
remove_image()
def test_unprotected(self):
self.image.create_snap("snap2")
global features
assert_raises(InvalidArgument, self.rbd.clone, ioctx, IMG_NAME, "snap2", ioctx, "clone2", features)
self.image.remove_snap("snap2")
def test_unprotect_with_children(self):
global features
# can't remove a snapshot that has dependent clones
assert_raises(ImageBusy, self.image.remove_snap, "snap1")
# validate parent info of clone created by TestClone.setUp
(pool, image, snap) = self.clone.parent_info()
eq(pool, "rbd")
eq(image, IMG_NAME)
eq(snap, "snap1")
# create a new pool...
rados.create_pool("rbd2")
other_ioctx = rados.open_ioctx("rbd2")
# ...with a clone of the same parent
self.rbd.clone(ioctx, IMG_NAME, "snap1", other_ioctx, "other_clone", features)
self.other_clone = Image(other_ioctx, "other_clone")
# validate its parent info
(pool, image, snap) = self.other_clone.parent_info()
eq(pool, "rbd")
eq(image, IMG_NAME)
eq(snap, "snap1")
# can't unprotect snap with children
assert_raises(ImageBusy, self.image.unprotect_snap, "snap1")
# 2 children, check that cannot remove the parent snap
assert_raises(ImageBusy, self.image.remove_snap, "snap1")
# close and remove other pool's clone
self.other_clone.close()
self.rbd.remove(other_ioctx, "other_clone")
# check that we cannot yet remove the parent snap
assert_raises(ImageBusy, self.image.remove_snap, "snap1")
other_ioctx.close()
rados.delete_pool("rbd2")
# unprotect, remove parent snap happen in cleanup, and should succeed
def test_stat(self):
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info["size"], image_info["size"])
eq(clone_info["size"], self.clone.overlap())
def test_resize_stat(self):
self.clone.resize(IMG_SIZE / 2)
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info["size"], IMG_SIZE / 2)
eq(image_info["size"], IMG_SIZE)
eq(self.clone.overlap(), IMG_SIZE / 2)
self.clone.resize(IMG_SIZE * 2)
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info["size"], IMG_SIZE * 2)
eq(image_info["size"], IMG_SIZE)
eq(self.clone.overlap(), IMG_SIZE / 2)
def test_resize_io(self):
parent_data = self.image.read(IMG_SIZE / 2, 256)
self.clone.resize(IMG_SIZE / 2 + 128)
child_data = self.clone.read(IMG_SIZE / 2, 128)
eq(child_data, parent_data[:128])
self.clone.resize(IMG_SIZE)
#.........这里部分代码省略.........
示例3: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, image_name)
def tearDown(self):
self.image.close()
remove_image()
@require_new_format()
@blacklist_features([RBD_FEATURE_EXCLUSIVE_LOCK])
def test_update_features(self):
features = self.image.features()
self.image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, True)
eq(features | RBD_FEATURE_EXCLUSIVE_LOCK, self.image.features())
def test_invalidate_cache(self):
self.image.write('abc', 0)
eq('abc', self.image.read(0, 3))
self.image.invalidate_cache()
eq('abc', self.image.read(0, 3))
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_flags(self):
flags = self.image.flags()
eq(0, flags)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_write_with_fadvise_flags(self):
data = rand_data(256)
self.image.write(data, 0, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)
self.image.write(data, 0, LIBRADOS_OP_FLAG_FADVISE_NOCACHE)
def test_read(self):
data = self.image.read(0, 20)
eq(data, '\0' * 20)
def test_read_with_fadvise_flags(self):
data = self.image.read(0, 20, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)
eq(data, '\0' * 20)
data = self.image.read(0, 20, LIBRADOS_OP_FLAG_FADVISE_RANDOM)
eq(data, '\0' * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, '\0' * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
self.image.resize(new_size)
info = self.image.stat()
check_stat(info, new_size, IMG_ORDER)
def test_size(self):
eq(IMG_SIZE, self.image.size())
self.image.create_snap('snap1')
new_size = IMG_SIZE * 2
self.image.resize(new_size)
eq(new_size, self.image.size())
self.image.create_snap('snap2')
self.image.set_snap('snap2')
eq(new_size, self.image.size())
self.image.set_snap('snap1')
eq(IMG_SIZE, self.image.size())
self.image.set_snap(None)
eq(new_size, self.image.size())
self.image.remove_snap('snap1')
self.image.remove_snap('snap2')
def test_resize_down(self):
new_size = IMG_SIZE / 2
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2);
self.image.resize(new_size)
self.image.resize(IMG_SIZE)
read = self.image.read(IMG_SIZE / 2, 256)
eq('\0' * 256, read)
#.........这里部分代码省略.........
示例4: TestClone
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestClone(object):
@require_features([RBD_FEATURE_LAYERING])
def setUp(self):
global ioctx
global features
self.rbd = RBD()
create_image()
self.image = Image(ioctx, image_name)
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2)
self.image.create_snap('snap1')
global features
self.image.protect_snap('snap1')
self.clone_name = get_temp_image_name()
self.rbd.clone(ioctx, image_name, 'snap1', ioctx, self.clone_name,
features)
self.clone = Image(ioctx, self.clone_name)
def tearDown(self):
global ioctx
self.clone.close()
self.rbd.remove(ioctx, self.clone_name)
self.image.unprotect_snap('snap1')
self.image.remove_snap('snap1')
self.image.close()
remove_image()
def test_unprotected(self):
self.image.create_snap('snap2')
global features
clone_name2 = get_temp_image_name()
assert_raises(InvalidArgument, self.rbd.clone, ioctx, image_name,
'snap2', ioctx, clone_name2, features)
self.image.remove_snap('snap2')
def test_unprotect_with_children(self):
global features
# can't remove a snapshot that has dependent clones
assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
# validate parent info of clone created by TestClone.setUp
(pool, image, snap) = self.clone.parent_info()
eq(pool, pool_name)
eq(image, image_name)
eq(snap, 'snap1')
# create a new pool...
pool_name2 = get_temp_pool_name()
rados.create_pool(pool_name2)
other_ioctx = rados.open_ioctx(pool_name2)
# ...with a clone of the same parent
other_clone_name = get_temp_image_name()
self.rbd.clone(ioctx, image_name, 'snap1', other_ioctx,
other_clone_name, features)
self.other_clone = Image(other_ioctx, other_clone_name)
# validate its parent info
(pool, image, snap) = self.other_clone.parent_info()
eq(pool, pool_name)
eq(image, image_name)
eq(snap, 'snap1')
# can't unprotect snap with children
assert_raises(ImageBusy, self.image.unprotect_snap, 'snap1')
# 2 children, check that cannot remove the parent snap
assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
# close and remove other pool's clone
self.other_clone.close()
self.rbd.remove(other_ioctx, other_clone_name)
# check that we cannot yet remove the parent snap
assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
other_ioctx.close()
rados.delete_pool(pool_name2)
# unprotect, remove parent snap happen in cleanup, and should succeed
def test_stat(self):
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info['size'], image_info['size'])
eq(clone_info['size'], self.clone.overlap())
def test_resize_stat(self):
self.clone.resize(IMG_SIZE / 2)
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info['size'], IMG_SIZE / 2)
eq(image_info['size'], IMG_SIZE)
eq(self.clone.overlap(), IMG_SIZE / 2)
self.clone.resize(IMG_SIZE * 2)
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info['size'], IMG_SIZE * 2)
eq(image_info['size'], IMG_SIZE)
#.........这里部分代码省略.........
示例5: TestClone
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestClone(object):
@require_features([RBD_FEATURE_LAYERING])
def setUp(self):
global ioctx
global features
self.rbd = RBD()
create_image()
self.image = Image(ioctx, IMG_NAME)
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2)
self.image.create_snap('snap1')
global features
self.image.protect_snap('snap1')
self.rbd.clone(ioctx, IMG_NAME, 'snap1', ioctx, 'clone', features)
self.clone = Image(ioctx, 'clone')
def tearDown(self):
global ioctx
self.clone.close()
self.rbd.remove(ioctx, 'clone')
self.image.unprotect_snap('snap1')
self.image.remove_snap('snap1')
self.image.close()
remove_image()
def test_unprotected(self):
self.image.create_snap('snap2')
global features
assert_raises(InvalidArgument, self.rbd.clone, ioctx, IMG_NAME, 'snap2', ioctx, 'clone2', features)
self.image.remove_snap('snap2')
def test_unprotect_with_children(self):
global features
# can't remove a snapshot that has dependent clones
assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
# validate parent info of clone created by TestClone.setUp
(pool, image, snap) = self.clone.parent_info()
eq(pool, 'rbd')
eq(image, IMG_NAME)
eq(snap, 'snap1')
# create a new pool...
rados.create_pool('rbd2')
other_ioctx = rados.open_ioctx('rbd2')
# ...with a clone of the same parent
self.rbd.clone(ioctx, IMG_NAME, 'snap1', other_ioctx, 'other_clone', features)
self.other_clone = Image(other_ioctx, 'other_clone')
# validate its parent info
(pool, image, snap) = self.other_clone.parent_info()
eq(pool, 'rbd')
eq(image, IMG_NAME)
eq(snap, 'snap1')
# can't unprotect snap with children
assert_raises(ImageBusy, self.image.unprotect_snap, 'snap1')
# 2 children, check that cannot remove the parent snap
assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
# close and remove other pool's clone
self.other_clone.close()
self.rbd.remove(other_ioctx, 'other_clone')
# check that we cannot yet remove the parent snap
assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
other_ioctx.close()
rados.delete_pool('rbd2')
# unprotect, remove parent snap happen in cleanup, and should succeed
def test_stat(self):
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info['size'], image_info['size'])
eq(clone_info['size'], self.clone.overlap())
def test_resize_stat(self):
self.clone.resize(IMG_SIZE / 2)
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info['size'], IMG_SIZE / 2)
eq(image_info['size'], IMG_SIZE)
eq(self.clone.overlap(), IMG_SIZE / 2)
self.clone.resize(IMG_SIZE * 2)
image_info = self.image.stat()
clone_info = self.clone.stat()
eq(clone_info['size'], IMG_SIZE * 2)
eq(image_info['size'], IMG_SIZE)
eq(self.clone.overlap(), IMG_SIZE / 2)
def test_resize_io(self):
parent_data = self.image.read(IMG_SIZE / 2, 256)
self.clone.resize(IMG_SIZE / 2 + 128)
child_data = self.clone.read(IMG_SIZE / 2, 128)
eq(child_data, parent_data[:128])
#.........这里部分代码省略.........
示例6: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, IMG_NAME)
def tearDown(self):
self.image.close()
remove_image()
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_read(self):
data = self.image.read(0, 20)
eq(data, '\0' * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, '\0' * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
self.image.resize(new_size)
info = self.image.stat()
check_stat(info, new_size, IMG_ORDER)
def test_copy(self):
global ioctx
data = rand_data(256)
self.image.write(data, 256)
bytes_copied = self.image.copy(ioctx, IMG_NAME + '2')
copy = Image(ioctx, IMG_NAME + '2')
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, IMG_NAME + '2')
eq(bytes_copied, IMG_SIZE)
eq(data, copy_data)
def test_create_snap(self):
global ioctx
self.image.create_snap('snap1')
read = self.image.read(0, 256)
eq(read, '\0' * 256)
data = rand_data(256)
self.image.write(data, 0)
read = self.image.read(0, 256)
eq(read, data)
at_snapshot = Image(ioctx, IMG_NAME, 'snap1')
snap_data = at_snapshot.read(0, 256)
at_snapshot.close()
eq(snap_data, '\0' * 256)
def test_list_snaps(self):
eq([], list(self.image.list_snaps()))
self.image.create_snap('snap1')
eq(['snap1'], map(lambda snap: snap['name'], self.image.list_snaps()))
self.image.create_snap('snap2')
eq(['snap1', 'snap2'], map(lambda snap: snap['name'], self.image.list_snaps()))
def test_remove_snap(self):
eq([], list(self.image.list_snaps()))
self.image.create_snap('snap1')
eq(['snap1'], map(lambda snap: snap['name'], self.image.list_snaps()))
self.image.remove_snap('snap1')
eq([], list(self.image.list_snaps()))
def test_rollback_to_snap(self):
self.image.write('\0' * 256, 0)
self.image.create_snap('snap1')
read = self.image.read(0, 256)
eq(read, '\0' * 256)
data = rand_data(256)
self.image.write(data, 0)
read = self.image.read(0, 256)
eq(read, data)
self.image.rollback_to_snap('snap1')
read = self.image.read(0, 256)
eq(read, '\0' * 256)
#.........这里部分代码省略.........
示例7: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, IMG_NAME)
def tearDown(self):
self.image.close()
remove_image()
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_read(self):
data = self.image.read(0, 20)
eq(data, '\0' * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, '\0' * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
self.image.resize(new_size)
info = self.image.stat()
check_stat(info, new_size, IMG_ORDER)
def test_size(self):
eq(IMG_SIZE, self.image.size())
self.image.create_snap('snap1')
new_size = IMG_SIZE * 2
self.image.resize(new_size)
eq(new_size, self.image.size())
self.image.create_snap('snap2')
self.image.set_snap('snap2')
eq(new_size, self.image.size())
self.image.set_snap('snap1')
eq(IMG_SIZE, self.image.size())
self.image.set_snap(None)
eq(new_size, self.image.size())
self.image.remove_snap('snap1')
self.image.remove_snap('snap2')
def test_resize_down(self):
new_size = IMG_SIZE / 2
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2);
self.image.resize(new_size)
self.image.resize(IMG_SIZE)
read = self.image.read(IMG_SIZE / 2, 256)
eq('\0' * 256, read)
def test_resize_bytes(self):
new_size = IMG_SIZE / 2 - 5
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2 - 10);
self.image.resize(new_size)
self.image.resize(IMG_SIZE)
read = self.image.read(IMG_SIZE / 2 - 10, 5)
eq(data[:5], read)
read = self.image.read(IMG_SIZE / 2 - 5, 251)
eq('\0' * 251, read)
def test_copy(self):
global ioctx
data = rand_data(256)
self.image.write(data, 256)
self.image.copy(ioctx, IMG_NAME + '2')
assert_raises(ImageExists, self.image.copy, ioctx, IMG_NAME + '2')
copy = Image(ioctx, IMG_NAME + '2')
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, IMG_NAME + '2')
eq(data, copy_data)
def test_create_snap(self):
global ioctx
self.image.create_snap('snap1')
read = self.image.read(0, 256)
eq(read, '\0' * 256)
#.........这里部分代码省略.........
示例8: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, image_name)
def tearDown(self):
self.image.close()
remove_image()
self.image = None
@require_new_format()
@blacklist_features([RBD_FEATURE_EXCLUSIVE_LOCK])
def test_update_features(self):
features = self.image.features()
self.image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, True)
eq(features | RBD_FEATURE_EXCLUSIVE_LOCK, self.image.features())
@require_features([RBD_FEATURE_STRIPINGV2])
def test_create_with_params(self):
global features
image_name = get_temp_image_name()
order = 20
stripe_unit = 1 << 20
stripe_count = 10
self.rbd.create(ioctx, image_name, IMG_SIZE, order,
False, features, stripe_unit, stripe_count)
image = Image(ioctx, image_name)
info = image.stat()
check_stat(info, IMG_SIZE, order)
eq(image.features(), features)
eq(image.stripe_unit(), stripe_unit)
eq(image.stripe_count(), stripe_count)
image.close()
RBD().remove(ioctx, image_name)
@require_new_format()
def test_id(self):
assert_not_equal(b'', self.image.id())
def test_block_name_prefix(self):
assert_not_equal(b'', self.image.block_name_prefix())
def test_invalidate_cache(self):
self.image.write(b'abc', 0)
eq(b'abc', self.image.read(0, 3))
self.image.invalidate_cache()
eq(b'abc', self.image.read(0, 3))
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_flags(self):
flags = self.image.flags()
eq(0, flags)
def test_image_auto_close(self):
image = Image(ioctx, image_name)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_write_with_fadvise_flags(self):
data = rand_data(256)
self.image.write(data, 0, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)
self.image.write(data, 0, LIBRADOS_OP_FLAG_FADVISE_NOCACHE)
def test_read(self):
data = self.image.read(0, 20)
eq(data, b'\0' * 20)
def test_read_with_fadvise_flags(self):
data = self.image.read(0, 20, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)
eq(data, b'\0' * 20)
data = self.image.read(0, 20, LIBRADOS_OP_FLAG_FADVISE_RANDOM)
eq(data, b'\0' * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, b'\0' * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
#.........这里部分代码省略.........
示例9: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, image_name)
def tearDown(self):
self.image.close()
remove_image()
@require_new_format()
@blacklist_features([RBD_FEATURE_EXCLUSIVE_LOCK])
def test_update_features(self):
features = self.image.features()
self.image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, True)
eq(features | RBD_FEATURE_EXCLUSIVE_LOCK, self.image.features())
@require_features([RBD_FEATURE_STRIPINGV2])
def test_create_with_params(self):
global features
image_name = get_temp_image_name()
order = 20
stripe_unit = 1 << 20
stripe_count = 10
self.rbd.create(ioctx, image_name, IMG_SIZE, order, False, features, stripe_unit, stripe_count)
image = Image(ioctx, image_name)
info = image.stat()
check_stat(info, IMG_SIZE, order)
eq(image.features(), features)
eq(image.stripe_unit(), stripe_unit)
eq(image.stripe_count(), stripe_count)
image.close()
RBD().remove(ioctx, image_name)
def test_invalidate_cache(self):
self.image.write(b"abc", 0)
eq(b"abc", self.image.read(0, 3))
self.image.invalidate_cache()
eq(b"abc", self.image.read(0, 3))
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_flags(self):
flags = self.image.flags()
eq(0, flags)
def test_image_auto_close(self):
image = Image(ioctx, image_name)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_write_with_fadvise_flags(self):
data = rand_data(256)
self.image.write(data, 0, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)
self.image.write(data, 0, LIBRADOS_OP_FLAG_FADVISE_NOCACHE)
def test_read(self):
data = self.image.read(0, 20)
eq(data, b"\0" * 20)
def test_read_with_fadvise_flags(self):
data = self.image.read(0, 20, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)
eq(data, b"\0" * 20)
data = self.image.read(0, 20, LIBRADOS_OP_FLAG_FADVISE_RANDOM)
eq(data, b"\0" * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, b"\0" * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
self.image.resize(new_size)
info = self.image.stat()
check_stat(info, new_size, IMG_ORDER)
def test_size(self):
eq(IMG_SIZE, self.image.size())
self.image.create_snap("snap1")
new_size = IMG_SIZE * 2
self.image.resize(new_size)
eq(new_size, self.image.size())
#.........这里部分代码省略.........
示例10: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, IMG_NAME)
def tearDown(self):
self.image.close()
remove_image()
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_read(self):
data = self.image.read(0, 20)
eq(data, '\0' * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, '\0' * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
self.image.resize(new_size)
info = self.image.stat()
check_stat(info, new_size, IMG_ORDER)
def test_resize_down(self):
new_size = IMG_SIZE / 2
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2);
self.image.resize(new_size)
self.image.resize(IMG_SIZE)
read = self.image.read(IMG_SIZE / 2, 256)
eq('\0' * 256, read)
def test_resize_bytes(self):
new_size = IMG_SIZE / 2 - 5
data = rand_data(256)
self.image.write(data, IMG_SIZE / 2 - 10);
self.image.resize(new_size)
self.image.resize(IMG_SIZE)
read = self.image.read(IMG_SIZE / 2 - 10, 5)
eq(data[:5], read)
read = self.image.read(IMG_SIZE / 2 - 5, 251)
eq('\0' * 251, read)
def test_copy(self):
global ioctx
data = rand_data(256)
self.image.write(data, 256)
self.image.copy(ioctx, IMG_NAME + '2')
assert_raises(ImageExists, self.image.copy, ioctx, IMG_NAME + '2')
copy = Image(ioctx, IMG_NAME + '2')
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, IMG_NAME + '2')
eq(data, copy_data)
def test_create_snap(self):
global ioctx
self.image.create_snap('snap1')
read = self.image.read(0, 256)
eq(read, '\0' * 256)
data = rand_data(256)
self.image.write(data, 0)
read = self.image.read(0, 256)
eq(read, data)
at_snapshot = Image(ioctx, IMG_NAME, 'snap1')
snap_data = at_snapshot.read(0, 256)
at_snapshot.close()
eq(snap_data, '\0' * 256)
self.image.remove_snap('snap1')
def test_list_snaps(self):
eq([], list(self.image.list_snaps()))
self.image.create_snap('snap1')
eq(['snap1'], map(lambda snap: snap['name'], self.image.list_snaps()))
self.image.create_snap('snap2')
eq(['snap1', 'snap2'], map(lambda snap: snap['name'], self.image.list_snaps()))
#.........这里部分代码省略.........
示例11: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import resize [as 别名]
class TestImage(object):
def setUp(self):
self.rbd = RBD()
create_image()
self.image = Image(ioctx, IMG_NAME)
def tearDown(self):
self.image.close()
remove_image()
def test_stat(self):
info = self.image.stat()
check_stat(info, IMG_SIZE, IMG_ORDER)
def test_write(self):
data = rand_data(256)
self.image.write(data, 0)
def test_read(self):
data = self.image.read(0, 20)
eq(data, '\0' * 20)
def test_large_write(self):
data = rand_data(IMG_SIZE)
self.image.write(data, 0)
def test_large_read(self):
data = self.image.read(0, IMG_SIZE)
eq(data, '\0' * IMG_SIZE)
def test_write_read(self):
data = rand_data(256)
offset = 50
self.image.write(data, offset)
read = self.image.read(offset, 256)
eq(data, read)
def test_read_bad_offset(self):
assert_raises(InvalidArgument, self.image.read, IMG_SIZE + 1, IMG_SIZE)
def test_resize(self):
new_size = IMG_SIZE * 2
self.image.resize(new_size)
info = self.image.stat()
check_stat(info, new_size, IMG_ORDER)
def test_copy(self):
global ioctx
data = rand_data(256)
self.image.write(data, 256)
self.image.copy(ioctx, IMG_NAME + '2')
assert_raises(ImageExists, self.image.copy, ioctx, IMG_NAME + '2')
copy = Image(ioctx, IMG_NAME + '2')
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, IMG_NAME + '2')
eq(data, copy_data)
def test_create_snap(self):
global ioctx
self.image.create_snap('snap1')
read = self.image.read(0, 256)
eq(read, '\0' * 256)
data = rand_data(256)
self.image.write(data, 0)
read = self.image.read(0, 256)
eq(read, data)
at_snapshot = Image(ioctx, IMG_NAME, 'snap1')
snap_data = at_snapshot.read(0, 256)
at_snapshot.close()
eq(snap_data, '\0' * 256)
self.image.remove_snap('snap1')
def test_list_snaps(self):
eq([], list(self.image.list_snaps()))
self.image.create_snap('snap1')
eq(['snap1'], map(lambda snap: snap['name'], self.image.list_snaps()))
self.image.create_snap('snap2')
eq(['snap1', 'snap2'], map(lambda snap: snap['name'], self.image.list_snaps()))
self.image.remove_snap('snap1')
self.image.remove_snap('snap2')
def test_remove_snap(self):
eq([], list(self.image.list_snaps()))
self.image.create_snap('snap1')
eq(['snap1'], map(lambda snap: snap['name'], self.image.list_snaps()))
self.image.remove_snap('snap1')
eq([], list(self.image.list_snaps()))
def test_remove_with_snap(self):
self.image.create_snap('snap1')
assert_raises(ImageBusy, remove_image)
self.image.remove_snap('snap1')
def test_rollback_to_snap(self):
self.image.write('\0' * 256, 0)
self.image.create_snap('snap1')
read = self.image.read(0, 256)
eq(read, '\0' * 256)
#.........这里部分代码省略.........