270 lines
10 KiB
Python
270 lines
10 KiB
Python
# Copyright 2016 VMware, Inc. 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 logging
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import xml.etree.ElementTree as et
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from neutron.callbacks import registry
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from neutron import context
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from neutron.db import models_v2
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from neutron.db import securitygroups_db
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from vmware_nsx.db import db as nsx_db
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from vmware_nsx.db import nsx_models
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from vmware_nsx.db import nsxv_models
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from vmware_nsx.shell.admin.plugins.common import constants
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from vmware_nsx.shell.admin.plugins.common import formatters
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from vmware_nsx.shell.admin.plugins.common import utils as admin_utils
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from vmware_nsx.shell.admin.plugins.nsxv.resources import utils
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from vmware_nsx.shell import resources as nsxadmin
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LOG = logging.getLogger(__name__)
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class NeutronSecurityGroupDB(utils.NeutronDbClient,
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securitygroups_db.SecurityGroupDbMixin):
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def __init__(self):
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super(NeutronSecurityGroupDB, self)
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# FIXME(roeyc): context is already defined in NeutrondDbClient
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self.context = context.get_admin_context()
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def get_security_groups_mappings(self):
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q = self.context.session.query(
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securitygroups_db.SecurityGroup.name,
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securitygroups_db.SecurityGroup.id,
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nsxv_models.NsxvSecurityGroupSectionMapping.ip_section_id,
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nsx_models.NeutronNsxSecurityGroupMapping.nsx_id).join(
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nsxv_models.NsxvSecurityGroupSectionMapping,
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nsx_models.NeutronNsxSecurityGroupMapping).all()
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sg_mappings = [{'name': mapp.name,
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'id': mapp.id,
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'section-uri': mapp.ip_section_id,
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'nsx-securitygroup-id': mapp.nsx_id}
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for mapp in q]
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return sg_mappings
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def get_security_group(self, sg_id):
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return super(NeutronSecurityGroupDB, self).get_security_group(
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self.context, sg_id)
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def get_security_groups(self):
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return super(NeutronSecurityGroupDB,
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self).get_security_groups(self.context)
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def delete_security_group_section_mapping(self, sg_id):
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fw_mapping = self.context.session.query(
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nsxv_models.NsxvSecurityGroupSectionMapping).filter_by(
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neutron_id=sg_id).one_or_none()
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if fw_mapping:
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with self.context.session.begin(subtransactions=True):
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self.context.session.delete(fw_mapping)
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def delete_security_group_backend_mapping(self, sg_id):
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sg_mapping = self.context.session.query(
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nsx_models.NeutronNsxSecurityGroupMapping).filter_by(
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neutron_id=sg_id).one_or_none()
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if sg_mapping:
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with self.context.session.begin(subtransactions=True):
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self.context.session.delete(sg_mapping)
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def get_vnics_in_security_group(self, security_group_id):
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vnics = []
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query = self.context.session.query(
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models_v2.Port.id, models_v2.Port.device_id
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).join(securitygroups_db.SecurityGroupPortBinding).filter_by(
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security_group_id=security_group_id).all()
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for p in query:
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vnic_index = plugin._get_port_vnic_index(self.context, p.id)
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vnic_id = plugin._get_port_vnic_id(vnic_index, p.device_id)
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vnics.append(vnic_id)
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return vnics
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class NsxFirewallAPI(object):
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def __init__(self):
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self.vcns = utils.get_nsxv_client()
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def list_security_groups(self):
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h, secgroups = self.vcns.list_security_groups()
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root = et.fromstring(secgroups)
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secgroups = []
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for sg in root.iter('securitygroup'):
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sg_id = sg.find('objectId').text
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# This specific security-group is not relevant to the plugin
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if sg_id == 'securitygroup-1':
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continue
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secgroups.append({'name': sg.find('name').text,
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'id': sg_id})
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return secgroups
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def list_fw_sections(self):
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h, firewall_config = self.vcns.get_dfw_config()
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root = et.fromstring(firewall_config)
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sections = []
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for sec in root.iter('section'):
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sec_id = sec.attrib['id']
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# Don't show NSX default sections, which are not relevant to OS.
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if sec_id in ['1001', '1002', '1003']:
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continue
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sections.append({'name': sec.attrib['name'],
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'id': sec_id})
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return sections
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neutron_sg = NeutronSecurityGroupDB()
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nsxv_firewall = NsxFirewallAPI()
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plugin = utils.NsxVPluginWrapper()
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def _log_info(resource, data, attrs=['name', 'id']):
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LOG.info(formatters.output_formatter(resource, data, attrs))
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def list_handler(resource):
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def wrap(func):
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registry.subscribe(func, resource,
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nsxadmin.Operations.LIST.value)
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return func
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return wrap
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def list_mismatches_handler(resource):
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def wrap(func):
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registry.subscribe(func, resource,
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nsxadmin.Operations.LIST_MISMATCHES.value)
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return func
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return wrap
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def fix_mismatches_handler(resource):
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def wrap(func):
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registry.subscribe(func, resource,
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nsxadmin.Operations.FIX_MISMATCH.value)
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return func
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return wrap
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@list_handler(constants.SECURITY_GROUPS)
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@admin_utils.output_header
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def neutron_list_security_groups_mappings(resource, event, trigger, **kwargs):
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sg_mappings = neutron_sg.get_security_groups_mappings()
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_log_info(constants.SECURITY_GROUPS,
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sg_mappings,
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attrs=['name', 'id', 'section-uri', 'nsx-securitygroup-id'])
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return bool(sg_mappings)
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@list_handler(constants.FIREWALL_SECTIONS)
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@admin_utils.output_header
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def nsx_list_dfw_sections(resource, event, trigger, **kwargs):
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fw_sections = nsxv_firewall.list_fw_sections()
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_log_info(constants.FIREWALL_SECTIONS, fw_sections)
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return bool(fw_sections)
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@list_handler(constants.FIREWALL_NSX_GROUPS)
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@admin_utils.output_header
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def nsx_list_security_groups(resource, event, trigger, **kwargs):
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nsx_secgroups = nsxv_firewall.list_security_groups()
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_log_info(constants.FIREWALL_NSX_GROUPS, nsx_secgroups)
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return bool(nsx_secgroups)
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def _find_missing_security_groups():
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nsx_secgroups = nsxv_firewall.list_security_groups()
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sg_mappings = neutron_sg.get_security_groups_mappings()
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missing_secgroups = {}
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for sg_db in sg_mappings:
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for nsx_sg in nsx_secgroups:
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if nsx_sg['id'] == sg_db['nsx-securitygroup-id']:
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break
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else:
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missing_secgroups[sg_db['id']] = sg_db
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return missing_secgroups
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@list_mismatches_handler(constants.FIREWALL_NSX_GROUPS)
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@admin_utils.output_header
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def list_missing_security_groups(resource, event, trigger, **kwargs):
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sgs_with_missing_nsx_group = _find_missing_security_groups()
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missing_securitgroups_info = [
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{'securitygroup-name': sg['name'],
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'securitygroup-id': sg['id'],
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'nsx-securitygroup-id':
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sg['nsx-securitygroup-id']}
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for sg in sgs_with_missing_nsx_group.values()]
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_log_info(constants.FIREWALL_NSX_GROUPS, missing_securitgroups_info,
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attrs=['securitygroup-name', 'securitygroup-id',
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'nsx-securitygroup-id'])
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return bool(missing_securitgroups_info)
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def _find_missing_sections():
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fw_sections = nsxv_firewall.list_fw_sections()
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sg_mappings = neutron_sg.get_security_groups_mappings()
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missing_sections = {}
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for sg_db in sg_mappings:
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for fw_section in fw_sections:
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if fw_section['id'] == sg_db.get('section-uri', '').split('/')[-1]:
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break
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else:
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missing_sections[sg_db['id']] = sg_db
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return missing_sections
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@list_mismatches_handler(constants.FIREWALL_SECTIONS)
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@admin_utils.output_header
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def list_missing_firewall_sections(resource, event, trigger, **kwargs):
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sgs_with_missing_section = _find_missing_sections()
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missing_sections_info = [{'securitygroup-name': sg['name'],
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'securitygroup-id': sg['id'],
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'section-id': sg['section-uri']}
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for sg in sgs_with_missing_section.values()]
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_log_info(constants.FIREWALL_SECTIONS, missing_sections_info,
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attrs=['securitygroup-name', 'securitygroup-id', 'section-uri'])
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return bool(missing_sections_info)
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@fix_mismatches_handler(constants.SECURITY_GROUPS)
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@admin_utils.output_header
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def fix_security_groups(resource, event, trigger, **kwargs):
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context_ = context.get_admin_context()
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sgs_with_missing_section = _find_missing_sections()
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sgs_with_missing_nsx_group = _find_missing_security_groups()
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plugin = utils.NsxVPluginWrapper()
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# If only the fw section is missing then create it.
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for sg_id in (set(sgs_with_missing_section.keys()) -
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set(sgs_with_missing_nsx_group.keys())):
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neutron_sg.delete_security_group_section_mapping(sg_id)
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secgroup = plugin.get_security_group(context_, sg_id)
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plugin._create_fw_section_for_security_group(
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context_, secgroup,
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sgs_with_missing_section[sg_id]['nsx-securitygroup-id'])
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# If nsx security-group is missing then create both nsx security-group and
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# a new fw section (remove old one).
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for sg_id, sg in sgs_with_missing_nsx_group.items():
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secgroup = plugin.get_security_group(context_, sg_id)
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if sg_id not in sgs_with_missing_section:
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plugin._delete_section(sg['section-uri'])
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neutron_sg.delete_security_group_section_mapping(sg_id)
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neutron_sg.delete_security_group_backend_mapping(sg_id)
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plugin._process_security_group_create_backend_resources(context_,
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secgroup)
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nsx_id = nsx_db.get_nsx_security_group_id(context_.session, sg_id)
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for vnic_id in neutron_sg.get_vnics_in_security_group(sg_id):
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plugin._add_member_to_security_group(nsx_id, vnic_id)
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