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Some more tweaks

This commit is contained in:
Joshua Boniface 2018-06-04 02:46:55 -04:00
parent eb9ef43957
commit 8e04d47338
1 changed files with 10 additions and 3 deletions
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13
NodeInstance.py
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@ -56,15 +56,21 @@ class NodeInstance(threading.Thread):
self.stop_thread.set() self.stop_thread.set()
# Flush all VMs on the host # Flush all VMs on the host
def flush(self): def flush(self, active_node_list):
for domain in self.domain_list: for domain in self.domain_list:
# Determine the best target hypervisor # Determine the best target hypervisor
least_mem = 2**64 least_mem = 2**64
least_host = None least_host = None
for node_name, node in self.t_node.items(): for node_name in active_node_list:
# It should never include itself, but just in case
if node_name == self.name: if node_name == self.name:
continue continue
# Get our node object and free memory
node = self.t_node[node_name]
node_freemem = int(node.getfreemem()) node_freemem = int(node.getfreemem())
# Calculate who has the most free memory
if node_freemem < least_mem: if node_freemem < least_mem:
least_mem = node_freemem least_mem = node_freemem
least_host = node_name least_host = node_name
@ -75,6 +81,7 @@ class NodeInstance(threading.Thread):
transaction.set_data('/domains/' + domain + '/state', 'shutdown'.encode('ascii')) transaction.set_data('/domains/' + domain + '/state', 'shutdown'.encode('ascii'))
transaction.commit() transaction.commit()
else: else:
print(">>> Setting migration to %s for %s" % (least_host, domain))
transaction = self.zk.transaction() transaction = self.zk.transaction()
transaction.set_data('/domains/' + domain + '/state', 'migrate'.encode('ascii')) transaction.set_data('/domains/' + domain + '/state', 'migrate'.encode('ascii'))
transaction.set_data('/domains/' + domain + '/hypervisor', least_host.encode('ascii')) transaction.set_data('/domains/' + domain + '/hypervisor', least_host.encode('ascii'))
@ -168,7 +175,7 @@ class NodeInstance(threading.Thread):
# Do any actions my node requires # Do any actions my node requires
if self.state == 'flush': if self.state == 'flush':
self.flush() self.flush(active_node_list)
elif self.state == 'unflush': elif self.state == 'unflush':
self.unflush() self.unflush()