def __call__(self, req):
LOG.debug('Request: %s', req)
path = req.path_info
if path == '' or path[0] != '/':
path = '/' + path
path = posixpath.normpath(path)
path_tokens = path.split('/')[1:]
if path_tokens in ([''], ['ec2']):
resp = api.get_version_list()
return self._add_response_data(req.response, resp)
try:
if path_tokens[0] == 'openstack':
return self._proxy_request(req)
elif path_tokens[0] == 'ec2':
path_tokens = path_tokens[1:]
resp = self._get_metadata(req, path_tokens)
return self._add_response_data(req.response, resp)
except exception.EC2MetadataNotFound:
return webob.exc.HTTPNotFound()
except Exception:
LOG.exception(_LE("Unexpected error."))
msg = _('An unknown error has occurred. '
'Please try your request again.')
return webob.exc.HTTPInternalServerError(explanation=unicode(msg))
def __call__(self, req):
LOG.debug('Request: %s', req)
path = req.path_info
if path == '' or path[0] != '/':
path = '/' + path
path = posixpath.normpath(path)
path_tokens = path.split('/')[1:]
if path_tokens[0] == 'ec2':
path_tokens = path_tokens[1:]
if path_tokens == ['']:
resp = api.get_version_list()
return self._add_response_data(req.response, resp)
try:
requester = self._get_requester(req)
if path_tokens[0] == 'openstack':
return self._proxy_request(req, requester)
resp = self._get_metadata(path_tokens, requester)
return self._add_response_data(req.response, resp)
except exception.EC2MetadataNotFound:
return webob.exc.HTTPNotFound()
except Exception:
LOG.exception(_LE("Unexpected error."))
msg = _('An unknown error has occurred. '
'Please try your request again.')
return webob.exc.HTTPInternalServerError(
explanation=six.text_type(msg))
def get_os_public_network(context):
neutron = clients.neutron(context)
search_opts = {'router:external': True, 'name': CONF.external_network}
os_networks = neutron.list_networks(**search_opts)['networks']
if len(os_networks) != 1:
if CONF.external_network:
if len(os_networks) == 0:
msg = _LE("No external network with name '%s' is found")
else:
msg = _LE("More than one external network with name '%s' "
"is found")
LOG.error(msg, CONF.external_network)
else:
if len(os_networks) == 0:
msg = _LE('No external network is found')
else:
msg = _LE('More than one external network is found')
LOG.error(msg)
raise exception.Unsupported(_('Feature is restricted by OS admin'))
return os_networks[0]
def delayed_create(context, image, name, os_instance):
try:
os_instance.stop()
# wait instance for really stopped
start_time = time.time()
while os_instance.status != 'SHUTOFF':
time.sleep(1)
os_instance.get()
# NOTE(yamahata): timeout and error. 1 hour for now for safety.
# Is it too short/long?
# Or is there any better way?
timeout = 1 * 60 * 60
if time.time() > start_time + timeout:
err = (_("Couldn't stop instance within %d sec") % timeout)
raise exception.EC2Exception(message=err)
# NOTE(ft): create an image with ec2_id metadata to let other code
# link os and db objects in race conditions
os_image_id = os_instance.create_image(
name, metadata={'ec2_id': image['id']})
image['os_id'] = os_image_id
db_api.update_item(context, image)
except Exception:
LOG.exception(_LE('Failed to complete image %s creation'),
image.id)
try:
image['state'] = 'failed'
db_api.update_item(context, image)
except Exception:
LOG.warning(_LW("Couldn't set 'failed' state for db image %s"),
image.id,
exc_info=True)
try:
os_instance.start()
except Exception:
LOG.warning(_LW('Failed to start instance %(i_id)s after '
'completed creation of image %(image_id)s'), {
'i_id': instance['id'],
'image_id': image['id']
},
exc_info=True)
def delayed_create(context, image, name, os_instance):
try:
os_instance.stop()
# wait instance for really stopped
start_time = time.time()
while os_instance.status != 'SHUTOFF':
time.sleep(1)
os_instance.get()
# NOTE(yamahata): timeout and error. 1 hour for now for safety.
# Is it too short/long?
# Or is there any better way?
timeout = 1 * 60 * 60
if time.time() > start_time + timeout:
err = (_("Couldn't stop instance within %d sec") % timeout)
raise exception.EC2Exception(message=err)
# NOTE(ft): create an image with ec2_id metadata to let other code
# link os and db objects in race conditions
os_image_id = os_instance.create_image(
name, metadata={'ec2_id': image['id']})
image['os_id'] = os_image_id
db_api.update_item(context, image)
except Exception:
LOG.exception(_LE('Failed to complete image %s creation'),
image.id)
try:
image['state'] = 'failed'
db_api.update_item(context, image)
except Exception:
LOG.warning(_LW("Couldn't set 'failed' state for db image %s"),
image.id, exc_info=True)
try:
os_instance.start()
except Exception:
LOG.warning(_LW('Failed to start instance %(i_id)s after '
'completed creation of image %(image_id)s'),
{'i_id': instance['id'],
'image_id': image['id']},
exc_info=True)
def delayed_create():
"""This handles the fetching and decrypting of the part files."""
context.update_store()
try:
image_path = tempfile.mkdtemp(dir=CONF.image_decryption_dir)
log_vars = {
'image_location': image_location,
'image_path': image_path
}
_update_image_state('downloading')
try:
parts = []
for part_name in image_parts:
part = _s3_download_file(bucket, part_name, image_path)
parts.append(part)
# NOTE(vish): this may be suboptimal, should we use cat?
enc_filename = os.path.join(image_path, 'image.encrypted')
with open(enc_filename, 'w') as combined:
for filename in parts:
with open(filename) as part:
shutil.copyfileobj(part, combined)
except Exception:
LOG.exception(
_LE('Failed to download %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_download')
return
_update_image_state('decrypting')
try:
dec_filename = os.path.join(image_path, 'image.tar.gz')
_s3_decrypt_image(context, enc_filename, encrypted_key,
encrypted_iv, dec_filename)
except Exception:
LOG.exception(
_LE('Failed to decrypt %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_decrypt')
return
_update_image_state('untarring')
try:
unz_filename = _s3_untarzip_image(image_path, dec_filename)
except Exception:
LOG.exception(
_LE('Failed to untar %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_untar')
return
_update_image_state('uploading')
try:
with open(unz_filename) as image_file:
image.update(data=image_file)
except Exception:
LOG.exception(
_LE('Failed to upload %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_upload')
return
_update_image_state('available')
shutil.rmtree(image_path)
except glance_exception.HTTPNotFound:
LOG.info(_LI('Image %swas deleted underneath us'), image.id)
except Exception:
LOG.exception(_LE('Failed to complete image %s creation'),
image.id)
def delayed_create():
"""This handles the fetching and decrypting of the part files."""
context.update_store()
try:
image_path = tempfile.mkdtemp(dir=CONF.image_decryption_dir)
log_vars = {'image_location': image_location,
'image_path': image_path}
_update_image_state('downloading')
try:
parts = []
for part_name in image_parts:
part = _s3_download_file(bucket, part_name, image_path)
parts.append(part)
# NOTE(vish): this may be suboptimal, should we use cat?
enc_filename = os.path.join(image_path, 'image.encrypted')
with open(enc_filename, 'w') as combined:
for filename in parts:
with open(filename) as part:
shutil.copyfileobj(part, combined)
except Exception:
LOG.exception(_LE('Failed to download %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_download')
return
_update_image_state('decrypting')
try:
dec_filename = os.path.join(image_path, 'image.tar.gz')
_s3_decrypt_image(context, enc_filename, encrypted_key,
encrypted_iv, dec_filename)
except Exception:
LOG.exception(_LE('Failed to decrypt %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_decrypt')
return
_update_image_state('untarring')
try:
unz_filename = _s3_untarzip_image(image_path, dec_filename)
except Exception:
LOG.exception(_LE('Failed to untar %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_untar')
return
_update_image_state('uploading')
try:
with open(unz_filename) as image_file:
image.update(data=image_file)
except Exception:
LOG.exception(_LE('Failed to upload %(image_location)s '
'to %(image_path)s'), log_vars)
_update_image_state('failed_upload')
return
_update_image_state('available')
shutil.rmtree(image_path)
except glance_exception.HTTPNotFound:
LOG.info(_LI('Image %swas deleted underneath us'), image.id)
except Exception:
LOG.exception(_LE('Failed to complete image %s creation'),
image.id)
