def wait_for_image_status(self, image_id, status):
"""Waits for a Image to reach a given status."""
start_time = time.time()
old_value = value = self._get_image_status(image_id)
while True:
dtime = time.time() - start_time
time.sleep(self.build_interval)
if value != old_value:
LOG.info(
'Value transition from "%s" to "%s"'
'in %d second(s).', old_value, value, dtime)
if value == status:
return value
if value == 'killed':
raise exceptions.ImageKilledException(image_id=image_id,
status=status)
if dtime > self.build_timeout:
message = ('Time Limit Exceeded! (%ds)'
'while waiting for %s, '
'but we got %s.' %
(self.build_timeout, status, value))
caller = misc_utils.find_test_caller()
if caller:
message = '(%s) %s' % (caller, message)
raise exceptions.TimeoutException(message)
time.sleep(self.build_interval)
old_value = value
value = self._get_image_status(image_id)
def wait_for_image_copied_to_stores(client, image_id):
"""Waits for an image to be copied on all requested stores.
The client should also have build_interval and build_timeout attributes.
This return the list of stores where copy is failed.
"""
start = int(time.time())
store_left = []
while int(time.time()) - start < client.build_timeout:
image = client.show_image(image_id)
store_left = image.get('os_glance_importing_to_stores')
# NOTE(danms): If os_glance_importing_to_stores is None, then
# we've raced with the startup of the task and should continue
# to wait.
if store_left is not None and not store_left:
return image['os_glance_failed_import']
if image['status'].lower() == 'killed':
raise exceptions.ImageKilledException(image_id=image_id,
status=image['status'])
time.sleep(client.build_interval)
message = ('Image %s failed to finish the copy operation '
'on stores: %s' % (image_id, str(store_left)))
caller = test_utils.find_test_caller()
if caller:
message = '(%s) %s' % (caller, message)
raise lib_exc.TimeoutException(message)
def wait_for_image_status(client, image_id, status):
"""Waits for an image to reach a given status.
The client should have a show_image(image_id) method to get the image.
The client should also have build_interval and build_timeout attributes.
"""
if isinstance(client, images_v1_client.ImagesClient):
# The 'check_image' method is used here because the show_image method
# returns image details plus the image itself which is very expensive.
# The 'check_image' method returns just image details.
def _show_image_v1(image_id):
resp = client.check_image(image_id)
return common_image.get_image_meta_from_headers(resp)
show_image = _show_image_v1
else:
show_image = client.show_image
current_status = 'An unknown status'
start = int(time.time())
while int(time.time()) - start < client.build_timeout:
image = show_image(image_id)
# Compute image client returns response wrapped in 'image' element
# which is not the case with Glance image client.
if 'image' in image:
image = image['image']
current_status = image['status']
if current_status == status:
return
if current_status.lower() == 'killed':
raise exceptions.ImageKilledException(image_id=image_id,
status=status)
if current_status.lower() == 'error':
raise exceptions.AddImageException(image_id=image_id)
time.sleep(client.build_interval)
message = ('Image %(image_id)s failed to reach %(status)s state '
'(current state %(current_status)s) within the required '
'time (%(timeout)s s).' % {
'image_id': image_id,
'status': status,
'current_status': current_status,
'timeout': client.build_timeout
})
caller = test_utils.find_test_caller()
if caller:
message = '(%s) %s' % (caller, message)
raise lib_exc.TimeoutException(message)