vmware-nsx/neutron/extensions/firewall.py
Mohammad Banikazemi 5da7062881 Removing vim header lines
Simply removes the vim header line and the empty line
following it (when present) for files in the api, db, and
extenssions base directories. In one single _init_ file in
this patchset, all comment lines are removed.

Change-Id: I81b7168dc2ad74b8c30a87e50a531e157851499e
Partial-Bug: 1229324
2014-04-01 10:38:31 -04:00

427 lines
15 KiB
Python

# Copyright 2013 Big Switch Networks, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# @author: Sumit Naiksatam, sumitnaiksatam@gmail.com, Big Switch Networks, Inc.
import abc
from oslo.config import cfg
import six
from neutron.api import extensions
from neutron.api.v2 import attributes as attr
from neutron.api.v2 import resource_helper
from neutron.common import exceptions as qexception
from neutron.openstack.common import log as logging
from neutron.plugins.common import constants
from neutron.services.service_base import ServicePluginBase
LOG = logging.getLogger(__name__)
# Firewall Exceptions
class FirewallNotFound(qexception.NotFound):
message = _("Firewall %(firewall_id)s could not be found.")
class FirewallInUse(qexception.InUse):
message = _("Firewall %(firewall_id)s is still active.")
class FirewallInPendingState(qexception.Conflict):
message = _("Operation cannot be performed since associated Firewall "
"%(firewall_id)s is in %(pending_state)s.")
class FirewallPolicyNotFound(qexception.NotFound):
message = _("Firewall Policy %(firewall_policy_id)s could not be found.")
class FirewallPolicyInUse(qexception.InUse):
message = _("Firewall Policy %(firewall_policy_id)s is being used.")
class FirewallRuleNotFound(qexception.NotFound):
message = _("Firewall Rule %(firewall_rule_id)s could not be found.")
class FirewallRuleInUse(qexception.InUse):
message = _("Firewall Rule %(firewall_rule_id)s is being used.")
class FirewallRuleNotAssociatedWithPolicy(qexception.InvalidInput):
message = _("Firewall Rule %(firewall_rule_id)s is not associated "
" with Firewall Policy %(firewall_policy_id)s.")
class FirewallRuleInvalidProtocol(qexception.InvalidInput):
message = _("Firewall Rule protocol %(protocol)s is not supported. "
"Only protocol values %(values)s and their integer "
"representation (0 to 255) are supported.")
class FirewallRuleInvalidAction(qexception.InvalidInput):
message = _("Firewall rule action %(action)s is not supported. "
"Only action values %(values)s are supported.")
class FirewallInvalidPortValue(qexception.InvalidInput):
message = _("Invalid value for port %(port)s.")
class FirewallRuleInfoMissing(qexception.InvalidInput):
message = _("Missing rule info argument for insert/remove "
"rule operation.")
class FirewallInternalDriverError(qexception.NeutronException):
"""Fwaas exception for all driver errors.
On any failure or exception in the driver, driver should log it and
raise this exception to the agent
"""
message = _("%(driver)s: Internal driver error.")
fw_valid_protocol_values = [None, constants.TCP, constants.UDP, constants.ICMP]
fw_valid_action_values = [constants.FWAAS_ALLOW, constants.FWAAS_DENY]
def convert_protocol(value):
if value is None:
return
if value.isdigit():
val = int(value)
if 0 <= val <= 255:
return val
else:
raise FirewallRuleInvalidProtocol(protocol=value,
values=
fw_valid_protocol_values)
elif value.lower() in fw_valid_protocol_values:
return value.lower()
else:
raise FirewallRuleInvalidProtocol(protocol=value,
values=
fw_valid_protocol_values)
def convert_action_to_case_insensitive(value):
if value is None:
return
else:
return value.lower()
def convert_port_to_string(value):
if value is None:
return
else:
return str(value)
def _validate_port_range(data, key_specs=None):
if data is None:
return
data = str(data)
ports = data.split(':')
for p in ports:
try:
val = int(p)
except (ValueError, TypeError):
msg = _("Port '%s' is not a valid number") % p
LOG.debug(msg)
return msg
if val <= 0 or val > 65535:
msg = _("Invalid port '%s'") % p
LOG.debug(msg)
return msg
def _validate_ip_or_subnet_or_none(data, valid_values=None):
if data is None:
return None
msg_ip = attr._validate_ip_address(data, valid_values)
if not msg_ip:
return
msg_subnet = attr._validate_subnet(data, valid_values)
if not msg_subnet:
return
return _("%(msg_ip)s and %(msg_subnet)s") % {'msg_ip': msg_ip,
'msg_subnet': msg_subnet}
attr.validators['type:port_range'] = _validate_port_range
attr.validators['type:ip_or_subnet_or_none'] = _validate_ip_or_subnet_or_none
RESOURCE_ATTRIBUTE_MAP = {
'firewall_rules': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True, 'primary_key': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'required_by_policy': True,
'is_visible': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'description': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'firewall_policy_id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid_or_none': None},
'is_visible': True},
'shared': {'allow_post': True, 'allow_put': True,
'default': False, 'convert_to': attr.convert_to_boolean,
'is_visible': True, 'required_by_policy': True,
'enforce_policy': True},
'protocol': {'allow_post': True, 'allow_put': True,
'is_visible': True, 'default': None,
'convert_to': convert_protocol,
'validate': {'type:values': fw_valid_protocol_values}},
'ip_version': {'allow_post': True, 'allow_put': True,
'default': 4, 'convert_to': attr.convert_to_int,
'validate': {'type:values': [4, 6]},
'is_visible': True},
'source_ip_address': {'allow_post': True, 'allow_put': True,
'validate': {'type:ip_or_subnet_or_none': None},
'is_visible': True, 'default': None},
'destination_ip_address': {'allow_post': True, 'allow_put': True,
'validate': {'type:ip_or_subnet_or_none':
None},
'is_visible': True, 'default': None},
'source_port': {'allow_post': True, 'allow_put': True,
'validate': {'type:port_range': None},
'convert_to': convert_port_to_string,
'default': None, 'is_visible': True},
'destination_port': {'allow_post': True, 'allow_put': True,
'validate': {'type:port_range': None},
'convert_to': convert_port_to_string,
'default': None, 'is_visible': True},
'position': {'allow_post': False, 'allow_put': False,
'default': None, 'is_visible': True},
'action': {'allow_post': True, 'allow_put': True,
'convert_to': convert_action_to_case_insensitive,
'validate': {'type:values': fw_valid_action_values},
'is_visible': True, 'default': 'deny'},
'enabled': {'allow_post': True, 'allow_put': True,
'default': True, 'convert_to': attr.convert_to_boolean,
'is_visible': True},
},
'firewall_policies': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'required_by_policy': True,
'is_visible': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'description': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'shared': {'allow_post': True, 'allow_put': True,
'default': False, 'convert_to': attr.convert_to_boolean,
'is_visible': True, 'required_by_policy': True,
'enforce_policy': True},
'firewall_rules': {'allow_post': True, 'allow_put': True,
'validate': {'type:uuid_list': None},
'convert_to': attr.convert_none_to_empty_list,
'default': None, 'is_visible': True},
'audited': {'allow_post': True, 'allow_put': True,
'default': False, 'convert_to': attr.convert_to_boolean,
'is_visible': True},
},
'firewalls': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'required_by_policy': True,
'is_visible': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'description': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'admin_state_up': {'allow_post': True, 'allow_put': True,
'default': True,
'convert_to': attr.convert_to_boolean,
'is_visible': True},
'status': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'shared': {'allow_post': True, 'allow_put': True,
'default': False, 'convert_to': attr.convert_to_boolean,
'is_visible': False, 'required_by_policy': True,
'enforce_policy': True},
'firewall_policy_id': {'allow_post': True, 'allow_put': True,
'validate': {'type:uuid_or_none': None},
'is_visible': True},
},
}
firewall_quota_opts = [
cfg.IntOpt('quota_firewall',
default=1,
help=_('Number of firewalls allowed per tenant. '
'A negative value means unlimited.')),
cfg.IntOpt('quota_firewall_policy',
default=1,
help=_('Number of firewall policies allowed per tenant. '
'A negative value means unlimited.')),
cfg.IntOpt('quota_firewall_rule',
default=-1,
help=_('Number of firewall rules allowed per tenant. '
'A negative value means unlimited.')),
]
cfg.CONF.register_opts(firewall_quota_opts, 'QUOTAS')
class Firewall(extensions.ExtensionDescriptor):
@classmethod
def get_name(cls):
return "Firewall service"
@classmethod
def get_alias(cls):
return "fwaas"
@classmethod
def get_description(cls):
return "Extension for Firewall service"
@classmethod
def get_namespace(cls):
return "http://wiki.openstack.org/Neutron/FWaaS/API_1.0"
@classmethod
def get_updated(cls):
return "2013-02-25T10:00:00-00:00"
@classmethod
def get_resources(cls):
special_mappings = {'firewall_policies': 'firewall_policy'}
plural_mappings = resource_helper.build_plural_mappings(
special_mappings, RESOURCE_ATTRIBUTE_MAP)
attr.PLURALS.update(plural_mappings)
action_map = {'firewall_policy': {'insert_rule': 'PUT',
'remove_rule': 'PUT'}}
return resource_helper.build_resource_info(plural_mappings,
RESOURCE_ATTRIBUTE_MAP,
constants.FIREWALL,
action_map=action_map)
@classmethod
def get_plugin_interface(cls):
return FirewallPluginBase
def update_attributes_map(self, attributes):
super(Firewall, self).update_attributes_map(
attributes, extension_attrs_map=RESOURCE_ATTRIBUTE_MAP)
def get_extended_resources(self, version):
if version == "2.0":
return RESOURCE_ATTRIBUTE_MAP
else:
return {}
@six.add_metaclass(abc.ABCMeta)
class FirewallPluginBase(ServicePluginBase):
def get_plugin_name(self):
return constants.FIREWALL
def get_plugin_type(self):
return constants.FIREWALL
def get_plugin_description(self):
return 'Firewall service plugin'
@abc.abstractmethod
def get_firewalls(self, context, filters=None, fields=None):
pass
@abc.abstractmethod
def get_firewall(self, context, id, fields=None):
pass
@abc.abstractmethod
def create_firewall(self, context, firewall):
pass
@abc.abstractmethod
def update_firewall(self, context, id, firewall):
pass
@abc.abstractmethod
def delete_firewall(self, context, id):
pass
@abc.abstractmethod
def get_firewall_rules(self, context, filters=None, fields=None):
pass
@abc.abstractmethod
def get_firewall_rule(self, context, id, fields=None):
pass
@abc.abstractmethod
def create_firewall_rule(self, context, firewall_rule):
pass
@abc.abstractmethod
def update_firewall_rule(self, context, id, firewall_rule):
pass
@abc.abstractmethod
def delete_firewall_rule(self, context, id):
pass
@abc.abstractmethod
def get_firewall_policy(self, context, id, fields=None):
pass
@abc.abstractmethod
def get_firewall_policies(self, context, filters=None, fields=None):
pass
@abc.abstractmethod
def create_firewall_policy(self, context, firewall_policy):
pass
@abc.abstractmethod
def update_firewall_policy(self, context, id, firewall_policy):
pass
@abc.abstractmethod
def delete_firewall_policy(self, context, id):
pass
@abc.abstractmethod
def insert_rule(self, context, id, rule_info):
pass
@abc.abstractmethod
def remove_rule(self, context, id, rule_info):
pass