def parse_cidr(cidr):
if not cidr:
return '0.0.0.0/0'
try:
cidr = encodeutils.safe_decode(urllib.parse.unquote(cidr))
except Exception:
raise exception.InvalidCidr(cidr=cidr)
if not netutils.is_valid_cidr(cidr):
raise exception.InvalidCidr(cidr=cidr)
return cidr
def create(self, req, body):
context = req.environ['nova.context']
authorize(context)
def bad(e):
return exc.HTTPBadRequest(explanation=e)
if not (body and body.get("network")):
raise bad(_("Missing network in body"))
params = body["network"]
if not params.get("label"):
raise bad(_("Network label is required"))
cidr = params.get("cidr") or params.get("cidr_v6")
if not cidr:
raise bad(_("Network cidr or cidr_v6 is required"))
if params.get("project_id") == "":
params["project_id"] = None
LOG.debug("Creating network with label %s", params["label"])
try:
params["num_networks"] = 1
try:
params["network_size"] = netaddr.IPNetwork(cidr).size
except netaddr.AddrFormatError:
raise exception.InvalidCidr(cidr=cidr)
if not self.extended:
create_params = ('allowed_start', 'allowed_end')
for field in extended_fields + create_params:
if field in params:
del params[field]
network = self.network_api.create(context, **params)[0]
except exception.NovaException as ex:
if ex.code == 400:
raise bad(ex.format_message())
elif ex.code == 409:
raise exc.HTTPConflict(explanation=ex.format_message())
raise
return {"network": network_dict(context, network, self.extended)}
def create(self, req, body):
context = req.environ['nova.context']
authorize(context)
def bad(e):
return exc.HTTPBadRequest(explanation=e)
if not (body and body.get("network")):
raise bad(_("Missing network in body"))
params = body["network"]
if not params.get("label"):
raise bad(_("Network label is required"))
cidr = params.get("cidr") or params.get("cidr_v6")
if not cidr:
raise bad(_("Network cidr or cidr_v6 is required"))
if params.get("project_id") == "":
params["project_id"] = None
try:
params["num_networks"] = 1
try:
params["network_size"] = netaddr.IPNetwork(cidr).size
except netaddr.AddrFormatError:
raise exception.InvalidCidr(cidr=cidr)
network = self.network_api.create(context, **params)[0]
except exception.NovaException as ex:
if ex.code == 400:
raise bad(ex.format_message())
elif ex.code == 409:
raise exc.HTTPConflict(explanation=ex.format_message())
raise
return {"network": network_dict(context, network)}
def raise_invalid_cidr(cidr, decoding_exception=None):
raise exception.InvalidCidr(cidr=cidr)
def _rule_args_to_dict(self, context, to_port=None, from_port=None,
parent_group_id=None, ip_protocol=None,
cidr=None, group_id=None):
values = {}
if group_id is not None:
try:
parent_group_id = int(parent_group_id)
group_id = int(group_id)
except ValueError:
msg = _("Parent or group id is not integer")
raise exception.InvalidInput(reason=msg)
values['group_id'] = group_id
#check if groupId exists
db.security_group_get(context, group_id)
elif cidr:
# If this fails, it throws an exception. This is what we want.
try:
cidr = urllib.unquote(cidr).decode()
except Exception:
raise exception.InvalidCidr(cidr=cidr)
if not utils.is_valid_cidr(cidr):
# Raise exception for non-valid address
raise exception.InvalidCidr(cidr=cidr)
values['cidr'] = cidr
else:
values['cidr'] = '0.0.0.0/0'
if group_id:
# Open everything if an explicit port range or type/code are not
# specified, but only if a source group was specified.
ip_proto_upper = ip_protocol.upper() if ip_protocol else ''
if (ip_proto_upper == 'ICMP' and
from_port is None and to_port is None):
from_port = -1
to_port = -1
elif (ip_proto_upper in ['TCP', 'UDP'] and from_port is None
and to_port is None):
from_port = 1
to_port = 65535
if ip_protocol and from_port is not None and to_port is not None:
ip_protocol = str(ip_protocol)
try:
from_port = int(from_port)
to_port = int(to_port)
except ValueError:
if ip_protocol.upper() == 'ICMP':
raise exception.InvalidInput(reason="Type and"
" Code must be integers for ICMP protocol type")
else:
raise exception.InvalidInput(reason="To and From ports "
"must be integers")
if ip_protocol.upper() not in ['TCP', 'UDP', 'ICMP']:
raise exception.InvalidIpProtocol(protocol=ip_protocol)
# Verify that from_port must always be less than
# or equal to to_port
if (ip_protocol.upper() in ['TCP', 'UDP'] and
from_port > to_port):
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port, msg="Former value cannot"
" be greater than the later")
# Verify valid TCP, UDP port ranges
if (ip_protocol.upper() in ['TCP', 'UDP'] and
(from_port < 1 or to_port > 65535)):
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port, msg="Valid TCP ports should"
" be between 1-65535")
# Verify ICMP type and code
if (ip_protocol.upper() == "ICMP" and
(from_port < -1 or from_port > 255 or
to_port < -1 or to_port > 255)):
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port, msg="For ICMP, the"
" type:code must be valid")
values['protocol'] = ip_protocol
values['from_port'] = from_port
values['to_port'] = to_port
else:
# If cidr based filtering, protocol and ports are mandatory
if 'cidr' in values:
return None
return values
def _rule_args_to_dict(self,
context,
to_port=None,
from_port=None,
parent_group_id=None,
ip_protocol=None,
cidr=None,
group_id=None):
values = {}
if group_id:
try:
parent_group_id = int(parent_group_id)
group_id = int(group_id)
except ValueError:
msg = _("Parent or group id is not integer")
raise exception.InvalidInput(reason=msg)
if parent_group_id == group_id:
msg = _("Parent group id and group id cannot be same")
raise exception.InvalidInput(reason=msg)
values['group_id'] = group_id
#check if groupId exists
db.security_group_get(context, group_id)
elif cidr:
# If this fails, it throws an exception. This is what we want.
try:
cidr = urllib.unquote(cidr).decode()
netaddr.IPNetwork(cidr)
except Exception:
raise exception.InvalidCidr(cidr=cidr)
values['cidr'] = cidr
else:
values['cidr'] = '0.0.0.0/0'
if ip_protocol and from_port and to_port:
try:
from_port = int(from_port)
to_port = int(to_port)
except ValueError:
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port)
ip_protocol = str(ip_protocol)
if ip_protocol.upper() not in ['TCP', 'UDP', 'ICMP']:
raise exception.InvalidIpProtocol(protocol=ip_protocol)
if ((min(from_port, to_port) < -1)
or (max(from_port, to_port) > 65535)):
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port)
values['protocol'] = ip_protocol
values['from_port'] = from_port
values['to_port'] = to_port
else:
# If cidr based filtering, protocol and ports are mandatory
if 'cidr' in values:
return None
return values
