parallelvirtualcluster/pvc
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Get flush working properly

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This commit is contained in:
Joshua Boniface
2018-06-04 02:22:59 -04:00
parent 55ebbea6cf
commit 1a72ee6414
2 changed files with 28 additions and 20 deletions
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34
NodeInstance.py
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@ -58,21 +58,30 @@ class NodeInstance(threading.Thread):
# Flush all VMs on the host
def flush(self):
for domain in self.domain_list:
print(domain)
# Determine the best target hypervisor
least_mem = (2^64)/8
least_load = 999.0
least_host = ""
for node in self.t_node:
node_freemem = node.getfreemem()
least_mem = 2**64
least_host = None
for node_name, node in self.t_node.items():
if node_name == self.name:
continue
node_freemem = int(node.getfreemem())
if node_freemem < least_mem:
least_mem = node_freemem
least_host = node.getname()
least_host = node_name
transaction = self.zk.transaction()
transaction.set_data('/domains/' + domain + '/state', 'migrate'.encode('ascii'))
transaction.set_data('/domains/' + domain + '/hypervisor', least_host.encode('ascii'))
transaction.commit()
if least_host == None:
print(">>> Failed to find valid migration target for %s" % domain)
transaction = self.zk.transaction()
transaction.set_data('/domains/' + domain + '/state', 'shutdown'.encode('ascii'))
transaction.commit()
else:
transaction = self.zk.transaction()
transaction.set_data('/domains/' + domain + '/state', 'migrate'.encode('ascii'))
transaction.set_data('/domains/' + domain + '/hypervisor', least_host.encode('ascii'))
transaction.commit()
# Wait 1s between migrations
time.sleep(1)
def run(self):
if self.name == socket.gethostname():
@ -136,8 +145,7 @@ class NodeInstance(threading.Thread):
flushed_node_list = []
inactive_node_list = []
for node in self.t_node:
node_name = node.getname()
for node_name in self.t_node:
state, stat = self.zk.get('/nodes/%s/state' % node_name)
node_state = state.decode('ascii')
if node_state == 'start':