def check_string_length(value, name=None, min_len=0, max_len=None):
"""Check the length of specified string
:param value: the value of the string
:param name: the name of the string
:param min_len: the minimum length of the string
:param max_len: the maximum length of the string
"""
if not isinstance(value, six.string_types):
if name is None:
msg = _("The input is not a string or unicode")
else:
msg = _("%s is not a string or unicode") % name
raise t_exceptions.InvalidInput(message=msg)
if name is None:
name = value
if len(value) < min_len:
msg = _("%(name)s has a minimum character requirement of "
"%(min_length)s.") % {
'name': name,
'min_length': min_len
}
raise t_exceptions.InvalidInput(message=msg)
if max_len and len(value) > max_len:
msg = _("%(name)s has more than %(max_length)s "
"characters.") % {
'name': name,
'max_length': max_len
}
raise t_exceptions.InvalidInput(message=msg)
def prepare_bottom_external_subnet_by_bottom_name(self, context, subnet,
region_name, b_net_name,
top_subnet_id):
t_ctx = t_context.get_context_from_neutron_context(context)
pod = db_api.get_pod_by_name(t_ctx, region_name)
b_client = self._get_client(region_name)
bottom_network = b_client.list_networks(t_ctx, [{
'key': 'name',
'comparator': 'eq',
'value': b_net_name
}])
if not bottom_network:
raise t_exceptions.InvalidInput(
reason='bottom network not found for %(b_net_name)s' %
{'b_net_name': b_net_name})
body = {
'subnet': {
'name': top_subnet_id,
'network_id': bottom_network[0]['id'],
'tenant_id': subnet['tenant_id']
}
}
attrs = ('ip_version', 'cidr', 'gateway_ip', 'allocation_pools',
'enable_dhcp')
for attr in attrs:
if validators.is_attr_set(subnet.get(attr)):
body['subnet'][attr] = subnet[attr]
self.prepare_bottom_element(t_ctx, subnet['tenant_id'], pod,
{'id': top_subnet_id},
t_constants.RT_SUBNET, body)
def find_pod_by_az_or_region(context, az_or_region):
pods = find_pods_by_az_or_region(context, az_or_region)
# if pods is None, returning None value directly.
if pods is None:
return None
# if no pod is matched, then we will raise an exception
if len(pods) < 1:
raise exceptions.PodNotFound(az_or_region)
# if the pods list only contain one pod, then this pod will be
# returned back
if len(pods) == 1:
return pods[0]
# if the pods list contains more than one pod, then we will raise an
# exception
if len(pods) > 1:
raise exceptions.InvalidInput(
reason='Multiple pods with the same az_name are found')
