def getLeader(self, wait=False, returnRawInstance=False):
assert self._ctx
instances = self._getNodesInCluster(nodeType=None, both=True)
instances.sort(key=lambda x: x.launch_time)
try:
leader = instances[0] # assume leader was launched first
except IndexError:
raise NoSuchClusterException(self.clusterName)
if (leader.tags.get(_TOIL_NODE_TYPE_TAG_KEY) or 'leader') != 'leader':
raise InvalidClusterStateException(
'Invalid cluster state! The first launched instance appears not to be the leader '
'as it is missing the "leader" tag. The safest recovery is to destroy the cluster '
'and restart the job. Incorrect Leader ID: %s' % leader.id)
leaderNode = Node(publicIP=leader.ip_address,
privateIP=leader.private_ip_address,
name=leader.id,
launchTime=leader.launch_time,
nodeType=None,
preemptable=False,
tags=leader.tags)
if wait:
logger.debug("Waiting for toil_leader to enter 'running' state...")
wait_instances_running(self._ctx.ec2, [leader])
logger.debug('... toil_leader is running')
self._waitForIP(leader)
leaderNode.waitForNode('toil_leader')
return leader if returnRawInstance else leaderNode
def _getLeader(self):
instances = self._getNodesInCluster()
instances.sort(key=lambda x: x.created_at)
try:
leader = instances[0] # assume leader was launched first
except IndexError:
raise NoSuchClusterException(self.clusterName)
return leader
def getLeader(self):
instances = self._getNodesInCluster()
instances.sort(key=lambda x: x.created_at)
try:
leader = instances[0] # assume leader was launched first
except IndexError:
raise NoSuchClusterException(self.clusterName)
return Node(publicIP=leader.public_ips[0], privateIP=leader.private_ips[0],
name=leader.name, launchTime=leader.created_at, nodeType=leader.size,
preemptable=False, tags=None)
def _getLeader(cls, clusterName, wait=False, zone=None):
ctx = cls._buildContext(clusterName=clusterName, zone=zone)
instances = cls._getNodesInCluster(ctx, clusterName, nodeType=None, both=True)
instances.sort(key=lambda x: x.launch_time)
try:
leader = instances[0] # assume leader was launched first
except IndexError:
raise NoSuchClusterException(clusterName)
if wait:
logger.info("Waiting for toil_leader to enter 'running' state...")
wait_instances_running(ctx.ec2, [leader])
logger.info('... toil_leader is running')
cls._waitForNode(leader, 'toil_leader')
return leader
def getLeader(self, wait=False):
assert self._ctx
instances = self._getNodesInCluster(nodeType=None, both=True)
instances.sort(key=lambda x: x.launch_time)
try:
leader = instances[0] # assume leader was launched first
except IndexError:
raise NoSuchClusterException(self.clusterName)
leaderNode = Node(publicIP=leader.ip_address, privateIP=leader.private_ip_address,
name=leader.id, launchTime=leader.launch_time, nodeType=None,
preemptable=False, tags=leader.tags)
if wait:
logger.debug("Waiting for toil_leader to enter 'running' state...")
wait_instances_running(self._ctx.ec2, [leader])
logger.debug('... toil_leader is running')
self._waitForIP(leader)
leaderNode.waitForNode('toil_leader')
return leaderNode
def getLeader(self):
try:
leader = self._getNodes('leader')[0]
except IndexError:
raise NoSuchClusterException(self.clusterName)
return leader
