def wait_for_resource_status(self,
stack_identifier,
resource_name,
status,
failure_pattern='^.*_FAILED$'):
"""Waits for a Resource to reach a given status."""
start = int(time.time())
fail_regexp = re.compile(failure_pattern)
while True:
try:
body = self.get_resource(stack_identifier, resource_name)
except lib_exc.NotFound:
# ignore this, as the resource may not have
# been created yet
pass
else:
resource_name = body['resource_name']
resource_status = body['resource_status']
if resource_status == status:
return
if fail_regexp.search(resource_status):
raise exceptions.StackResourceBuildErrorException(
resource_name=resource_name,
stack_identifier=stack_identifier,
resource_status=resource_status,
resource_status_reason=body['resource_status_reason'])
if int(time.time()) - start >= self.build_timeout:
message = ('Resource %s failed to reach %s status '
'(current %s) within the required time (%s s).' %
(resource_name, status, resource_status,
self.build_timeout))
raise exceptions.TimeoutException(message)
time.sleep(self.build_interval)
def _wait_for_resource_status(self, stack_identifier, resource_name,
status, failure_pattern='^.*_FAILED$'):
"""Waits for a Resource to reach a given status."""
fail_regexp = re.compile(failure_pattern)
build_timeout = CONF.orchestration.build_timeout
build_interval = CONF.orchestration.build_interval
start = timeutils.utcnow()
while timeutils.delta_seconds(start,
timeutils.utcnow()) < build_timeout:
try:
res = self.client.resources.get(
stack_identifier, resource_name)
except heat_exceptions.HTTPNotFound:
# ignore this, as the resource may not have
# been created yet
pass
else:
if res.resource_status == status:
return
if fail_regexp.search(res.resource_status):
raise exceptions.StackResourceBuildErrorException(
resource_name=res.resource_name,
stack_identifier=stack_identifier,
resource_status=res.resource_status,
resource_status_reason=res.resource_status_reason)
time.sleep(build_interval)
message = ('Resource %s failed to reach %s status within '
'the required time (%s s).' %
(res.resource_name, status, build_timeout))
raise exceptions.TimeoutException(message)
