本文整理汇总了Python中rbd.Image.copy方法的典型用法代码示例。如果您正苦于以下问题:Python Image.copy方法的具体用法?Python Image.copy怎么用?Python Image.copy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.copy方法的8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 copy [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: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import copy [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3: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import copy [as 别名]
#.........这里部分代码省略.........
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)
image_name = get_temp_image_name()
self.image.copy(ioctx, image_name)
assert_raises(ImageExists, self.image.copy, ioctx, image_name)
copy = Image(ioctx, image_name)
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, image_name)
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, image_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')
示例4: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import copy [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5: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import copy [as 别名]
#.........这里部分代码省略.........
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(b'\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(b'\0' * 251, read)
def _test_copy(self, features=None, order=None, stripe_unit=None,
stripe_count=None):
global ioctx
data = rand_data(256)
self.image.write(data, 256)
image_name = get_temp_image_name()
if features is None:
self.image.copy(ioctx, image_name)
elif order is None:
self.image.copy(ioctx, image_name, features)
elif stripe_unit is None:
self.image.copy(ioctx, image_name, features, order)
elif stripe_count is None:
self.image.copy(ioctx, image_name, features, order, stripe_unit)
else:
self.image.copy(ioctx, image_name, features, order, stripe_unit,
stripe_count)
assert_raises(ImageExists, self.image.copy, ioctx, image_name)
copy = Image(ioctx, image_name)
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, image_name)
eq(data, copy_data)
def test_copy(self):
self._test_copy()
def test_copy2(self):
self._test_copy(self.image.features(), self.image.stat()['order'])
@require_features([RBD_FEATURE_STRIPINGV2])
def test_copy3(self):
global features
示例6: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import copy [as 别名]
#.........这里部分代码省略.........
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(b"\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(b"\0" * 251, read)
def _test_copy(self, features=None, order=None, stripe_unit=None, stripe_count=None):
global ioctx
data = rand_data(256)
self.image.write(data, 256)
image_name = get_temp_image_name()
if features is None:
self.image.copy(ioctx, image_name)
elif order is None:
self.image.copy(ioctx, image_name, features)
elif stripe_unit is None:
self.image.copy(ioctx, image_name, features, order)
elif stripe_count is None:
self.image.copy(ioctx, image_name, features, order, stripe_unit)
else:
self.image.copy(ioctx, image_name, features, order, stripe_unit, stripe_count)
assert_raises(ImageExists, self.image.copy, ioctx, image_name)
copy = Image(ioctx, image_name)
copy_data = copy.read(256, 256)
copy.close()
self.rbd.remove(ioctx, image_name)
eq(data, copy_data)
def test_copy(self):
self._test_copy()
def test_copy2(self):
self._test_copy(self.image.features(), self.image.stat()["order"])
@require_features([RBD_FEATURE_STRIPINGV2])
def test_copy3(self):
global features
self._test_copy(features, self.image.stat()["order"], self.image.stripe_unit(), self.image.stripe_count())
示例7: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import copy [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8: TestImage
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import copy [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.........