def getAllNodes(self, quattor=False):
"""
returns all the nodes in this cluster
(workernodes and masters)
does not return storage!
"""
self.log.debug("selecting all nodes (minus storage)")
nodes = CompositeNode()
nodes.union(self.getWorkerNodes(quattor=quattor))
nodes.union(self._getMasters())
self.log.debug("selected worker and master nodes: %s" % nodes)
return nodes
def _getMasters(self):
"""
returns the master(s) from this cluster as a list
"""
# TODO: get these from vsc.quattor
if not self.masters:
masterids = self._getMasterNodeIds()
masternodes = CompositeNode()
for masterid in masterids:
masternodes.add(self.masterNodeClass(masterid, self.name))
self.masters = masternodes
return self.masters
def getStorageNodes(self):
"""
returns all storage nodes in this cluster
"""
# TODO: get these from vsc.quattor
if not self.storagenodes:
storagenodes = CompositeNode()
storageids = self._getStorageNodeIds()
for nodeid in storageids:
node = self.storageNodeClass(nodeid, self.name)
storagenodes.add(node)
self.storagenodes = storagenodes
return self.storagenodes
def getWorkerNodes(self, quattor=False):
"""
returns all workernodes in this cluster
if quattor is specified, the quattor dir will be used to look up nodes
instead of running pbsmon on the master.
"""
# get my nodes
# TODO: get these from vsc.quattor
if not self.workernodes:
workernodes = CompositeNode()
workerids = self._getWorkerNodeIds(quattor=quattor) # get ids
master = self.getMaster()
for nodeid in workerids:
node = self.workerNodeClass(nodeid, self.name, master)
workernodes.add(node)
self.workernodes = workernodes
return self.workernodes