def instantiate(self, update_existing):
main_tmpl = _load_template('main.heat',
{'resources': self._serialize_resources()})
heat = client()
kwargs = {
'stack_name': self.cluster.name,
'timeout_mins': 180,
'disable_rollback': True,
'parameters': {},
'template': json.loads(main_tmpl)
}
if not update_existing:
heat.stacks.create(**kwargs)
else:
for stack in heat.stacks.list():
if stack.stack_name == self.cluster.name:
stack.update(**kwargs)
break
for stack in heat.stacks.list():
if stack.stack_name == self.cluster.name:
return ClusterStack(self, stack)
raise ex.HeatStackException('Failed to find just created stack %s' %
self.cluster.name)
def wait_stack_completion(stack):
# NOTE: expected empty status because status of stack
# maybe is not set in heat database
while stack.status in ['IN_PROGRESS', '']:
context.sleep(1)
stack.get()
if stack.status != 'COMPLETE':
raise ex.HeatStackException(stack.stack_status)
def wait_till_active(self):
while self.heat_stack.stack_status in ('CREATE_IN_PROGRESS',
'UPDATE_IN_PROGRESS'):
context.sleep(1)
self.heat_stack.get()
if self.heat_stack.stack_status not in ('CREATE_COMPLETE',
'UPDATE_COMPLETE'):
raise ex.HeatStackException(self.heat_stack.stack_status)
def wait_stack_completion(cluster, is_update=False, last_updated_time=None):
stack_name = cluster.stack_name
stack = get_stack(stack_name)
while not _verify_completion(stack, is_update, last_updated_time):
context.sleep(1)
stack = get_stack(stack_name)
if stack.status != 'COMPLETE':
raise ex.HeatStackException(stack.stack_status_reason)
def delete_stack(cluster):
stack_name = cluster.stack_name
base.execute_with_retries(client().stacks.delete, stack_name)
stack = get_stack(stack_name, raise_on_missing=False)
while stack is not None:
# Valid states: IN_PROGRESS, empty and COMPLETE
if stack.status in ['IN_PROGRESS', '', 'COMPLETE']:
context.sleep(5)
else:
raise ex.HeatStackException(
message=_("Cannot delete heat stack {name}, reason: "
"stack status: {status}, status reason: {reason}"
).format(name=stack_name,
status=stack.status,
reason=stack.stack_status_reason))
stack = get_stack(stack_name, raise_on_missing=False)
