class NeoCTL(BaseApplication):
connection = None
connected = False
def __init__(self, address, **kw):
super(NeoCTL, self).__init__(**kw)
self.server = self.nm.createAdmin(address=address)
self.handler = CommandEventHandler(self)
self.response_queue = []
def __getConnection(self):
if not self.connected:
self.connection = ClientConnection(self, self.handler, self.server)
# Never delay reconnection to master. This speeds up unit tests
# and it should not change anything for normal use.
try:
self.connection.setReconnectionNoDelay()
except ConnectionClosed:
self.connection = None
while not self.connected:
if self.connection is None:
raise NotReadyException('not connected')
self.em.poll(1)
return self.connection
def __ask(self, packet):
# TODO: make thread-safe
connection = self.__getConnection()
connection.ask(packet)
response_queue = self.response_queue
assert len(response_queue) == 0
while self.connected:
self.em.poll(1)
if response_queue:
break
else:
raise NotReadyException, 'Connection closed'
response = response_queue.pop()
if response[0] == Packets.Error and \
response[1] == ErrorCodes.NOT_READY:
raise NotReadyException(response[2])
return response
def enableStorageList(self, uuid_list):
"""
Put all given storage nodes in "running" state.
"""
packet = Packets.AddPendingNodes(uuid_list)
response = self.__ask(packet)
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def tweakPartitionTable(self, uuid_list=()):
response = self.__ask(Packets.TweakPartitionTable(uuid_list))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def setClusterState(self, state):
"""
Set cluster state.
"""
packet = Packets.SetClusterState(state)
response = self.__ask(packet)
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def _setNodeState(self, node, state):
"""
Kill node, or remove it permanently
"""
response = self.__ask(Packets.SetNodeState(node, state))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def getClusterState(self):
"""
Get cluster state.
"""
packet = Packets.AskClusterState()
response = self.__ask(packet)
if response[0] != Packets.AnswerClusterState:
raise RuntimeError(response)
return response[1]
def getLastIds(self):
response = self.__ask(Packets.AskLastIDs())
if response[0] != Packets.AnswerLastIDs:
raise RuntimeError(response)
return response[1:]
def getLastTransaction(self):
response = self.__ask(Packets.AskLastTransaction())
if response[0] != Packets.AnswerLastTransaction:
raise RuntimeError(response)
return response[1]
def getRecovery(self):
response = self.__ask(Packets.AskRecovery())
if response[0] != Packets.AnswerRecovery:
raise RuntimeError(response)
return response[1:]
def getNodeList(self, node_type=None):
"""
Get a list of nodes, filtering with given type.
"""
packet = Packets.AskNodeList(node_type)
response = self.__ask(packet)
if response[0] != Packets.AnswerNodeList:
raise RuntimeError(response)
return response[1] # node_list
def getPartitionRowList(self, min_offset=0, max_offset=0, node=None):
"""
Get a list of partition rows, bounded by min & max and involving
given node.
"""
packet = Packets.AskPartitionList(min_offset, max_offset, node)
response = self.__ask(packet)
if response[0] != Packets.AnswerPartitionList:
raise RuntimeError(response)
return response[1:3] # ptid, row_list
def startCluster(self):
"""
Set cluster into "verifying" state.
"""
return self.setClusterState(ClusterStates.VERIFYING)
def killNode(self, node):
return self._setNodeState(node, NodeStates.UNKNOWN)
def dropNode(self, node):
return self._setNodeState(node, NodeStates.DOWN)
def getPrimary(self):
"""
Return the primary master UUID.
"""
packet = Packets.AskPrimary()
response = self.__ask(packet)
if response[0] != Packets.AnswerPrimary:
raise RuntimeError(response)
return response[1]
def truncate(self, tid):
response = self.__ask(Packets.Truncate(tid))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def checkReplicas(self, *args):
response = self.__ask(Packets.CheckReplicas(*args))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
class NeoCTL(BaseApplication):
connection = None
connected = False
def __init__(self, address, **kw):
super(NeoCTL, self).__init__(**kw)
self.server = self.nm.createAdmin(address=address)
self.handler = CommandEventHandler(self)
self.response_queue = []
def __getConnection(self):
if not self.connected:
self.connection = ClientConnection(self, self.handler, self.server)
# Never delay reconnection to master. This speeds up unit tests
# and it should not change anything for normal use.
try:
self.connection.setReconnectionNoDelay()
except ConnectionClosed:
self.connection = None
while not self.connected:
if self.connection is None:
raise NotReadyException('not connected')
self.em.poll(1)
return self.connection
def __ask(self, packet):
# TODO: make thread-safe
connection = self.__getConnection()
connection.ask(packet)
response_queue = self.response_queue
assert len(response_queue) == 0
while self.connected:
self.em.poll(1)
if response_queue:
break
else:
raise NotReadyException, 'Connection closed'
response = response_queue.pop()
if response[0] == Packets.Error and \
response[1] == ErrorCodes.NOT_READY:
raise NotReadyException(response[2])
return response
def enableStorageList(self, uuid_list):
"""
Put all given storage nodes in "running" state.
"""
packet = Packets.AddPendingNodes(uuid_list)
response = self.__ask(packet)
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def tweakPartitionTable(self, uuid_list=()):
response = self.__ask(Packets.TweakPartitionTable(uuid_list))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def setClusterState(self, state):
"""
Set cluster state.
"""
packet = Packets.SetClusterState(state)
response = self.__ask(packet)
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def _setNodeState(self, node, state):
"""
Kill node, or remove it permanently
"""
response = self.__ask(Packets.SetNodeState(node, state))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def getClusterState(self):
"""
Get cluster state.
"""
packet = Packets.AskClusterState()
response = self.__ask(packet)
if response[0] != Packets.AnswerClusterState:
raise RuntimeError(response)
return response[1]
def getLastIds(self):
response = self.__ask(Packets.AskLastIDs())
if response[0] != Packets.AnswerLastIDs:
raise RuntimeError(response)
return response[1:]
def getLastTransaction(self):
response = self.__ask(Packets.AskLastTransaction())
if response[0] != Packets.AnswerLastTransaction:
raise RuntimeError(response)
return response[1]
def getRecovery(self):
response = self.__ask(Packets.AskRecovery())
if response[0] != Packets.AnswerRecovery:
raise RuntimeError(response)
return response[1:]
def getNodeList(self, node_type=None):
"""
Get a list of nodes, filtering with given type.
"""
packet = Packets.AskNodeList(node_type)
response = self.__ask(packet)
if response[0] != Packets.AnswerNodeList:
raise RuntimeError(response)
return response[1] # node_list
def getPartitionRowList(self, min_offset=0, max_offset=0, node=None):
"""
Get a list of partition rows, bounded by min & max and involving
given node.
"""
packet = Packets.AskPartitionList(min_offset, max_offset, node)
response = self.__ask(packet)
if response[0] != Packets.AnswerPartitionList:
raise RuntimeError(response)
return response[1:3] # ptid, row_list
def startCluster(self):
"""
Set cluster into "verifying" state.
"""
return self.setClusterState(ClusterStates.VERIFYING)
def killNode(self, node):
return self._setNodeState(node, NodeStates.UNKNOWN)
def dropNode(self, node):
return self._setNodeState(node, NodeStates.DOWN)
def getPrimary(self):
"""
Return the primary master UUID.
"""
packet = Packets.AskPrimary()
response = self.__ask(packet)
if response[0] != Packets.AnswerPrimary:
raise RuntimeError(response)
return response[1]
def truncate(self, tid):
response = self.__ask(Packets.Truncate(tid))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def checkReplicas(self, *args):
response = self.__ask(Packets.CheckReplicas(*args))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
class NeoCTL(BaseApplication):
connection = None
connected = False
@classmethod
def _buildOptionParser(cls):
# XXX: Use argparse sub-commands.
parser = cls.option_parser
parser.description = "NEO Control node"
parser('a',
'address',
default='127.0.0.1:9999',
parse=lambda x: util.parseNodeAddress(x, 9999),
help="address of an admin node")
parser.argument('cmd',
nargs=argparse.REMAINDER,
help="command to execute; if not supplied,"
" the list of available commands is displayed")
def __init__(self, address, **kw):
super(NeoCTL, self).__init__(**kw)
self.server = self.nm.createAdmin(address=address)
self.handler = CommandEventHandler(self)
self.response_queue = []
def __getConnection(self):
if not self.connected:
self.connection = ClientConnection(self, self.handler, self.server)
# Never delay reconnection to master. This speeds up unit tests
# and it should not change anything for normal use.
try:
self.connection.setReconnectionNoDelay()
except ConnectionClosed:
self.connection = None
while not self.connected:
if self.connection is None:
raise NotReadyException('not connected')
self.em.poll(1)
return self.connection
def __ask(self, packet):
# TODO: make thread-safe
connection = self.__getConnection()
connection.ask(packet)
response_queue = self.response_queue
assert len(response_queue) == 0
while self.connected:
self.em.poll(1)
if response_queue:
break
else:
raise NotReadyException, 'Connection closed'
response = response_queue.pop()
if response[0] == Packets.Error and \
response[1] == ErrorCodes.NOT_READY:
raise NotReadyException(response[2])
return response
def enableStorageList(self, uuid_list):
"""
Put all given storage nodes in "running" state.
"""
packet = Packets.AddPendingNodes(uuid_list)
response = self.__ask(packet)
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def tweakPartitionTable(self, uuid_list=(), dry_run=False):
response = self.__ask(Packets.TweakPartitionTable(dry_run, uuid_list))
if response[0] != Packets.AnswerTweakPartitionTable:
raise RuntimeError(response)
return response[1:]
def setNumReplicas(self, nr):
response = self.__ask(Packets.SetNumReplicas(nr))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def setClusterState(self, state):
"""
Set cluster state.
"""
packet = Packets.SetClusterState(state)
response = self.__ask(packet)
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def _setNodeState(self, node, state):
"""
Kill node, or remove it permanently
"""
response = self.__ask(Packets.SetNodeState(node, state))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def getClusterState(self):
"""
Get cluster state.
"""
packet = Packets.AskClusterState()
response = self.__ask(packet)
if response[0] != Packets.AnswerClusterState:
raise RuntimeError(response)
return response[1]
def getLastIds(self):
response = self.__ask(Packets.AskLastIDs())
if response[0] != Packets.AnswerLastIDs:
raise RuntimeError(response)
return response[1:]
def getLastTransaction(self):
response = self.__ask(Packets.AskLastTransaction())
if response[0] != Packets.AnswerLastTransaction:
raise RuntimeError(response)
return response[1]
def getRecovery(self):
response = self.__ask(Packets.AskRecovery())
if response[0] != Packets.AnswerRecovery:
raise RuntimeError(response)
return response[1:]
def getNodeList(self, node_type=None):
"""
Get a list of nodes, filtering with given type.
"""
packet = Packets.AskNodeList(node_type)
response = self.__ask(packet)
if response[0] != Packets.AnswerNodeList:
raise RuntimeError(response)
return response[1] # node_list
def getPartitionRowList(self, min_offset=0, max_offset=0, node=None):
"""
Get a list of partition rows, bounded by min & max and involving
given node.
"""
packet = Packets.AskPartitionList(min_offset, max_offset, node)
response = self.__ask(packet)
if response[0] != Packets.AnswerPartitionList:
raise RuntimeError(response)
return response[1:]
def startCluster(self):
"""
Set cluster into "verifying" state.
"""
return self.setClusterState(ClusterStates.VERIFYING)
def killNode(self, node):
return self._setNodeState(node, NodeStates.DOWN)
def dropNode(self, node):
return self._setNodeState(node, NodeStates.UNKNOWN)
def getPrimary(self):
"""
Return the primary master UUID.
"""
packet = Packets.AskPrimary()
response = self.__ask(packet)
if response[0] != Packets.AnswerPrimary:
raise RuntimeError(response)
return response[1]
def repair(self, *args):
response = self.__ask(Packets.Repair(*args))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def truncate(self, tid):
response = self.__ask(Packets.Truncate(tid))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def checkReplicas(self, *args):
response = self.__ask(Packets.CheckReplicas(*args))
if response[0] != Packets.Error or response[1] != ErrorCodes.ACK:
raise RuntimeError(response)
return response[2]
def flushLog(self):
conn = self.__getConnection()
conn.send(Packets.FlushLog())
while conn.pending():
self.em.poll(1)
