本文整理汇总了Python中rbd.Image类的典型用法代码示例。如果您正苦于以下问题:Python Image类的具体用法?Python Image怎么用?Python Image使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Image类的15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: test_copy
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)
示例2: test_copy
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)
示例3: test_copy
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)
示例4: test_create_snap
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)
示例5: setUp
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")
示例6: test_create_snap
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")
示例7: setUp
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)
示例8: delete_image
def delete_image(ioctx, img_name):
image = Image(ioctx, img_name)
for snap in image.list_snaps():
snap_name = snap['name']
print("removing snapshot: %[email protected]%s" % (img_name, snap_name))
if image.is_protected_snap(snap_name):
image.unprotect_snap(snap_name)
image.remove_snap(snap_name)
image.close()
print("removing image: %s" % img_name)
RBD().remove(ioctx, img_name)
示例9: test_list_children
def test_list_children(self):
global ioctx
global features
self.image.set_snap('snap1')
self.check_children([(pool_name, self.clone_name)])
self.clone.close()
self.rbd.remove(ioctx, self.clone_name)
eq(self.image.list_children(), [])
clone_name = get_temp_image_name() + '_'
expected_children = []
for i in xrange(10):
self.rbd.clone(ioctx, image_name, 'snap1', ioctx,
clone_name + str(i), features)
expected_children.append((pool_name, clone_name + str(i)))
self.check_children(expected_children)
for i in xrange(10):
self.rbd.remove(ioctx, clone_name + str(i))
expected_children.pop(0)
self.check_children(expected_children)
eq(self.image.list_children(), [])
self.rbd.clone(ioctx, image_name, 'snap1', ioctx, self.clone_name,
features)
self.check_children([(pool_name, self.clone_name)])
self.clone = Image(ioctx, self.clone_name)
示例10: _test_copy
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)
示例11: check_flatten_with_order
def check_flatten_with_order(self, new_order):
global ioctx
global features
self.rbd.clone(ioctx, IMG_NAME, "snap1", ioctx, "clone2", features, new_order)
# with Image(ioctx, 'clone2') as clone:
clone2 = Image(ioctx, "clone2")
clone2.flatten()
eq(clone2.overlap(), 0)
clone2.close()
self.rbd.remove(ioctx, "clone2")
# flatten after resizing to non-block size
self.rbd.clone(ioctx, IMG_NAME, "snap1", ioctx, "clone2", features, new_order)
with Image(ioctx, "clone2") as clone:
clone.resize(IMG_SIZE / 2 - 1)
clone.flatten()
eq(0, clone.overlap())
self.rbd.remove(ioctx, "clone2")
# flatten after resizing to non-block size
self.rbd.clone(ioctx, IMG_NAME, "snap1", ioctx, "clone2", features, new_order)
with Image(ioctx, "clone2") as clone:
clone.resize(IMG_SIZE / 2 + 1)
clone.flatten()
eq(clone.overlap(), 0)
self.rbd.remove(ioctx, "clone2")
示例12: check_flatten_with_order
def check_flatten_with_order(self, new_order):
global ioctx
global features
clone_name2 = get_temp_image_name()
self.rbd.clone(ioctx, image_name, 'snap1', ioctx, clone_name2,
features, new_order)
#with Image(ioctx, 'clone2') as clone:
clone2 = Image(ioctx, clone_name2)
clone2.flatten()
eq(clone2.overlap(), 0)
clone2.close()
self.rbd.remove(ioctx, clone_name2)
# flatten after resizing to non-block size
self.rbd.clone(ioctx, image_name, 'snap1', ioctx, clone_name2,
features, new_order)
with Image(ioctx, clone_name2) as clone:
clone.resize(IMG_SIZE / 2 - 1)
clone.flatten()
eq(0, clone.overlap())
self.rbd.remove(ioctx, clone_name2)
# flatten after resizing to non-block size
self.rbd.clone(ioctx, image_name, 'snap1', ioctx, clone_name2,
features, new_order)
with Image(ioctx, clone_name2) as clone:
clone.resize(IMG_SIZE / 2 + 1)
clone.flatten()
eq(clone.overlap(), 0)
self.rbd.remove(ioctx, clone_name2)
示例13: test_create_with_params
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)
示例14: test_unprotect_with_children
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)
示例15: test_unprotect_with_children
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")