137 lines
5.4 KiB
Python
137 lines
5.4 KiB
Python
# Copyright 2014 VMware, Inc.
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# All Rights Reserved
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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from neutron.common import constants
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from neutron.common import exceptions
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from neutron.openstack.common import log
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from neutron.plugins.vmware.common import utils
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from neutron.plugins.vmware.nvplib import _build_uri_path
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from neutron.plugins.vmware.nvplib import do_request
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from neutron.plugins.vmware.nvplib import format_exception
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from neutron.plugins.vmware.nvplib import get_all_query_pages
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HTTP_GET = "GET"
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HTTP_POST = "POST"
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HTTP_DELETE = "DELETE"
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HTTP_PUT = "PUT"
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SECPROF_RESOURCE = "security-profile"
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LOG = log.getLogger(__name__)
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def mk_body(**kwargs):
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"""Convenience function creates and dumps dictionary to string.
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:param kwargs: the key/value pirs to be dumped into a json string.
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:returns: a json string.
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"""
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return json.dumps(kwargs, ensure_ascii=False)
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def query_security_profiles(cluster, fields=None, filters=None):
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return get_all_query_pages(
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_build_uri_path(SECPROF_RESOURCE,
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fields=fields,
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filters=filters),
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cluster)
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def create_security_profile(cluster, tenant_id, neutron_id, security_profile):
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"""Create a security profile on the NSX backend.
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:param cluster: a NSX cluster object reference
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:param tenant_id: identifier of the Neutron tenant
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:param neutron_id: neutron security group identifier
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:param security_profile: dictionary with data for
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configuring the NSX security profile.
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"""
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path = "/ws.v1/security-profile"
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# Allow all dhcp responses and all ingress traffic
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hidden_rules = {'logical_port_egress_rules':
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[{'ethertype': 'IPv4',
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'protocol': constants.PROTO_NUM_UDP,
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'port_range_min': constants.DHCP_RESPONSE_PORT,
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'port_range_max': constants.DHCP_RESPONSE_PORT,
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'ip_prefix': '0.0.0.0/0'}],
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'logical_port_ingress_rules':
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[{'ethertype': 'IPv4'},
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{'ethertype': 'IPv6'}]}
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display_name = utils.check_and_truncate(security_profile.get('name'))
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# NOTE(salv-orlando): neutron-id tags are prepended with 'q' for
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# historical reasons
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body = mk_body(
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tags=utils.get_tags(os_tid=tenant_id, q_sec_group_id=neutron_id),
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display_name=display_name,
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logical_port_ingress_rules=(
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hidden_rules['logical_port_ingress_rules']),
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logical_port_egress_rules=hidden_rules['logical_port_egress_rules']
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)
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rsp = do_request(HTTP_POST, path, body, cluster=cluster)
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if security_profile.get('name') == 'default':
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# If security group is default allow ip traffic between
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# members of the same security profile is allowed and ingress traffic
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# from the switch
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rules = {'logical_port_egress_rules': [{'ethertype': 'IPv4',
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'profile_uuid': rsp['uuid']},
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{'ethertype': 'IPv6',
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'profile_uuid': rsp['uuid']}],
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'logical_port_ingress_rules': [{'ethertype': 'IPv4'},
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{'ethertype': 'IPv6'}]}
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update_security_group_rules(cluster, rsp['uuid'], rules)
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LOG.debug(_("Created Security Profile: %s"), rsp)
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return rsp
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def update_security_group_rules(cluster, spid, rules):
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path = "/ws.v1/security-profile/%s" % spid
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# Allow all dhcp responses in
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rules['logical_port_egress_rules'].append(
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{'ethertype': 'IPv4', 'protocol': constants.PROTO_NUM_UDP,
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'port_range_min': constants.DHCP_RESPONSE_PORT,
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'port_range_max': constants.DHCP_RESPONSE_PORT,
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'ip_prefix': '0.0.0.0/0'})
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# If there are no ingress rules add bunk rule to drop all ingress traffic
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if not rules['logical_port_ingress_rules']:
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rules['logical_port_ingress_rules'].append(
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{'ethertype': 'IPv4', 'ip_prefix': '127.0.0.1/32'})
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try:
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body = mk_body(
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logical_port_ingress_rules=rules['logical_port_ingress_rules'],
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logical_port_egress_rules=rules['logical_port_egress_rules'])
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rsp = do_request(HTTP_PUT, path, body, cluster=cluster)
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except exceptions.NotFound as e:
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LOG.error(format_exception("Unknown", e, locals()))
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#FIXME(salvatore-orlando): This should not raise NeutronException
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raise exceptions.NeutronException()
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LOG.debug(_("Updated Security Profile: %s"), rsp)
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return rsp
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def delete_security_profile(cluster, spid):
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path = "/ws.v1/security-profile/%s" % spid
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try:
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do_request(HTTP_DELETE, path, cluster=cluster)
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except exceptions.NotFound:
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# This is not necessarily an error condition
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LOG.warn(_("Unable to find security profile %s on NSX backend"),
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spid)
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raise
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