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Python Image.list_snaps方法代码示例

本文整理汇总了Python中rbd.Image.list_snaps方法的典型用法代码示例。如果您正苦于以下问题：Python Image.list_snaps方法的具体用法？Python Image.list_snaps怎么用？Python Image.list_snaps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.list_snaps方法的9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: delete_image

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [as 别名]
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)
开发者ID:DBuTbKa，项目名称:ceph，代码行数:13，代码来源:test_notify.py

示例2: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [as 别名]

#.........这里部分代码省略.........
        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()))
        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()))

    @require_features([RBD_FEATURE_LAYERING])
    def test_protect_snap(self):
        self.image.create_snap("snap1")
        assert not self.image.is_protected_snap("snap1")
        self.image.protect_snap("snap1")
        assert self.image.is_protected_snap("snap1")
        assert_raises(ImageBusy, self.image.remove_snap, "snap1")
        self.image.unprotect_snap("snap1")
        assert not self.image.is_protected_snap("snap1")
        self.image.remove_snap("snap1")
        assert_raises(ImageNotFound, self.image.unprotect_snap, "snap1")
        assert_raises(ImageNotFound, self.image.is_protected_snap, "snap1")

    def test_remove_with_snap(self):
        self.image.create_snap("snap1")
        assert_raises(ImageHasSnapshots, remove_image)
        self.image.remove_snap("snap1")
开发者ID:AlphaStaxLLC，项目名称:ceph，代码行数:70，代码来源:test_rbd.py

示例3: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [as 别名]

#.........这里部分代码省略.........
        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')
        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_rename_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.rename_snap("snap1", "snap1-rename")
        eq(['snap1-rename'], map(lambda snap: snap['name'], self.image.list_snaps()))
        self.image.remove_snap('snap1-rename')
        eq([], list(self.image.list_snaps()))

    @require_features([RBD_FEATURE_LAYERING])
    def test_protect_snap(self):
        self.image.create_snap('snap1')
        assert(not self.image.is_protected_snap('snap1'))
        self.image.protect_snap('snap1')
        assert(self.image.is_protected_snap('snap1'))
        assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
        self.image.unprotect_snap('snap1')
开发者ID:OyTao，项目名称:ceph-learning，代码行数:70，代码来源:test_rbd.py

示例4: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [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.........
开发者ID:ShintaroNakai，项目名称:ceph，代码行数:103，代码来源:test_rbd.py

示例5: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [as 别名]

#.........这里部分代码省略.........
        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()))
        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()))

    @require_features([RBD_FEATURE_LAYERING])
    def test_protect_snap(self):
        self.image.create_snap('snap1')
        assert(not self.image.is_protected_snap('snap1'))
        self.image.protect_snap('snap1')
        assert(self.image.is_protected_snap('snap1'))
        assert_raises(ImageBusy, self.image.remove_snap, 'snap1')
        self.image.unprotect_snap('snap1')
        assert(not self.image.is_protected_snap('snap1'))
        self.image.remove_snap('snap1')
        assert_raises(ImageNotFound, self.image.unprotect_snap, 'snap1')
        assert_raises(ImageNotFound, self.image.is_protected_snap, 'snap1')

    def test_remove_with_snap(self):
        self.image.create_snap('snap1')
        assert_raises(ImageHasSnapshots, remove_image)
        self.image.remove_snap('snap1')
开发者ID:HubPeter，项目名称:ceph，代码行数:70，代码来源:test_rbd.py

示例6: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [as 别名]

#.........这里部分代码省略.........
        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())

    def test_create_snap(self):
        global ioctx
        self.image.create_snap('snap1')
        read = self.image.read(0, 256)
        eq(read, b'\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, b'\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'], [snap['name'] for snap in self.image.list_snaps()])
        self.image.create_snap('snap2')
        eq(['snap1', 'snap2'], [snap['name'] for snap in self.image.list_snaps()])
        self.image.remove_snap('snap1')
        self.image.remove_snap('snap2')

    def test_list_snaps_iterator_auto_close(self):
        self.image.create_snap('snap1')
        self.image.list_snaps()
        self.image.remove_snap('snap1')

    def test_remove_snap(self):
        eq([], list(self.image.list_snaps()))
        self.image.create_snap('snap1')
        eq(['snap1'], [snap['name'] for snap in self.image.list_snaps()])
        self.image.remove_snap('snap1')
        eq([], list(self.image.list_snaps()))

    def test_rename_snap(self):
        eq([], list(self.image.list_snaps()))
        self.image.create_snap('snap1')
        eq(['snap1'], [snap['name'] for snap in self.image.list_snaps()])
        self.image.rename_snap("snap1", "snap1-rename")
        eq(['snap1-rename'], [snap['name'] for snap in self.image.list_snaps()])
        self.image.remove_snap('snap1-rename')
        eq([], list(self.image.list_snaps()))

    @require_features([RBD_FEATURE_LAYERING])
    def test_protect_snap(self):
        self.image.create_snap('snap1')
开发者ID:Intel-bigdata，项目名称:ceph，代码行数:70，代码来源:test_rbd.py

示例7: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [as 别名]

#.........这里部分代码省略.........
        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())

    def test_create_snap(self):
        global ioctx
        self.image.create_snap("snap1")
        read = self.image.read(0, 256)
        eq(read, b"\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, b"\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"], [snap["name"] for snap in self.image.list_snaps()])
        self.image.create_snap("snap2")
        eq(["snap1", "snap2"], [snap["name"] for snap in self.image.list_snaps()])
        self.image.remove_snap("snap1")
        self.image.remove_snap("snap2")

    def test_list_snaps_iterator_auto_close(self):
        self.image.create_snap("snap1")
        self.image.list_snaps()
        self.image.remove_snap("snap1")

    def test_remove_snap(self):
        eq([], list(self.image.list_snaps()))
        self.image.create_snap("snap1")
        eq(["snap1"], [snap["name"] for snap in self.image.list_snaps()])
        self.image.remove_snap("snap1")
        eq([], list(self.image.list_snaps()))

    def test_rename_snap(self):
        eq([], list(self.image.list_snaps()))
        self.image.create_snap("snap1")
        eq(["snap1"], [snap["name"] for snap in self.image.list_snaps()])
        self.image.rename_snap("snap1", "snap1-rename")
        eq(["snap1-rename"], [snap["name"] for snap in self.image.list_snaps()])
        self.image.remove_snap("snap1-rename")
        eq([], list(self.image.list_snaps()))

    @require_features([RBD_FEATURE_LAYERING])
    def test_protect_snap(self):
        self.image.create_snap("snap1")
开发者ID:carmark，项目名称:ceph，代码行数:70，代码来源:test_rbd.py

示例8: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [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.........
开发者ID:kritivasas，项目名称:ceph，代码行数:103，代码来源:test_rbd.py

示例9: TestImage

# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import list_snaps [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.........
开发者ID:optionalg，项目名称:ceph，代码行数:103，代码来源:test_rbd.py


注：本文中的rbd.Image.list_snaps方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。