本文整理汇总了Python中rbd.Image.mirror_image_demote方法的典型用法代码示例。如果您正苦于以下问题:Python Image.mirror_image_demote方法的具体用法?Python Image.mirror_image_demote怎么用?Python Image.mirror_image_demote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.mirror_image_demote方法的1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: TestMirroring
# 需要导入模块: from rbd import Image [as 别名]
# 或者: from rbd.Image import mirror_image_demote [as 别名]
class TestMirroring(object):
@staticmethod
def check_info(info, global_id, state, primary=None):
eq(global_id, info['global_id'])
eq(state, info['state'])
if primary is not None:
eq(primary, info['primary'])
def setUp(self):
self.rbd = RBD()
self.initial_mirror_mode = self.rbd.mirror_mode_get(ioctx)
self.rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_POOL)
create_image()
self.image = Image(ioctx, image_name)
def tearDown(self):
self.image.close()
remove_image()
self.rbd.mirror_mode_set(ioctx, self.initial_mirror_mode)
def test_mirror_peer(self):
eq([], list(self.rbd.mirror_peer_list(ioctx)))
cluster_name = "test_cluster"
client_name = "test_client"
uuid = self.rbd.mirror_peer_add(ioctx, cluster_name, client_name)
assert(uuid)
peer = {
'uuid' : uuid,
'cluster_name' : cluster_name,
'client_name' : client_name,
}
eq([peer], list(self.rbd.mirror_peer_list(ioctx)))
cluster_name = "test_cluster1"
self.rbd.mirror_peer_set_cluster(ioctx, uuid, cluster_name)
client_name = "test_client1"
self.rbd.mirror_peer_set_client(ioctx, uuid, client_name)
peer = {
'uuid' : uuid,
'cluster_name' : cluster_name,
'client_name' : client_name,
}
eq([peer], list(self.rbd.mirror_peer_list(ioctx)))
self.rbd.mirror_peer_remove(ioctx, uuid)
eq([], list(self.rbd.mirror_peer_list(ioctx)))
@require_features([RBD_FEATURE_EXCLUSIVE_LOCK,
RBD_FEATURE_JOURNALING])
def test_mirror_image(self):
self.rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_IMAGE)
self.image.mirror_image_disable(True)
info = self.image.mirror_image_get_info()
self.check_info(info, '', RBD_MIRROR_IMAGE_DISABLED, False)
self.image.mirror_image_enable()
info = self.image.mirror_image_get_info()
global_id = info['global_id']
self.check_info(info, global_id, RBD_MIRROR_IMAGE_ENABLED, True)
self.rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_POOL)
fail = False
try:
self.image.mirror_image_disable(True)
except InvalidArgument:
fail = True
eq(True, fail) # Fails because of mirror mode pool
self.image.mirror_image_demote()
info = self.image.mirror_image_get_info()
self.check_info(info, global_id, RBD_MIRROR_IMAGE_ENABLED, False)
self.image.mirror_image_resync()
self.image.mirror_image_promote(True)
info = self.image.mirror_image_get_info()
self.check_info(info, global_id, RBD_MIRROR_IMAGE_ENABLED, True)
fail = False
try:
self.image.mirror_image_resync()
except InvalidArgument:
fail = True
eq(True, fail) # Fails because it is primary
status = self.image.mirror_image_get_status()
eq(image_name, status['name'])
eq(False, status['up'])
eq(MIRROR_IMAGE_STATUS_STATE_UNKNOWN, status['state'])
info = status['info']
self.check_info(info, global_id, RBD_MIRROR_IMAGE_ENABLED, True)
@require_features([RBD_FEATURE_EXCLUSIVE_LOCK,
RBD_FEATURE_JOURNALING])
def test_mirror_image_status(self):
info = self.image.mirror_image_get_info()
global_id = info['global_id']
state = info['state']
primary = info['primary']
#.........这里部分代码省略.........