288 lines
12 KiB
Python
288 lines
12 KiB
Python
# Copyright 2017 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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from oslo_config import cfg
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from oslo_log import log
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from vmware_nsx.common import availability_zones as common_az
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from vmware_nsx.common import config
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from vmware_nsx.common import exceptions as nsx_exc
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from vmware_nsx.plugins.common_v3 import availability_zones as v3_az
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from vmware_nsx.plugins.nsx_p import utils
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from vmware_nsxlib.v3 import exceptions as nsx_lib_exc
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from vmware_nsxlib.v3 import nsx_constants
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from vmware_nsxlib.v3.policy import utils as p_utils
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LOG = log.getLogger(__name__)
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DEFAULT_NAME = common_az.DEFAULT_NAME + 'p'
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class NsxPAvailabilityZone(v3_az.NsxV3AvailabilityZone):
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def get_az_opts(self):
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return config.get_nsxp_az_opts(self.name)
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def init_defaults(self):
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# use the default configuration
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self.metadata_proxy = cfg.CONF.nsx_p.metadata_proxy
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self.dhcp_profile = cfg.CONF.nsx_p.dhcp_profile
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self.native_metadata_route = cfg.CONF.nsx_p.native_metadata_route
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self.default_overlay_tz = cfg.CONF.nsx_p.default_overlay_tz
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self.default_vlan_tz = cfg.CONF.nsx_p.default_vlan_tz
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self.default_tier0_router = cfg.CONF.nsx_p.default_tier0_router
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self.dns_domain = cfg.CONF.nsx_p.dns_domain
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self.nameservers = cfg.CONF.nsx_p.nameservers
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self.edge_cluster = cfg.CONF.nsx_p.edge_cluster
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def _init_default_resource(self, nsxpolicy, resource_api, config_name,
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filter_list_results=None,
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auto_config=False,
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is_mandatory=True,
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search_scope=None):
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# NOTE(annak): we may need to generalize this for API calls
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# requiring path ids
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name_or_id = getattr(self, config_name)
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if not name_or_id:
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if auto_config:
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# If the field not specified, the system will auto-configure
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# in case only single resource is present
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resources = resource_api.list()
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if filter_list_results:
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resources = filter_list_results(resources)
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if len(resources) == 1:
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return resources[0]['id']
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if is_mandatory:
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if self.is_default():
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raise cfg.RequiredOptError(config_name,
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group=cfg.OptGroup('nsx_p'))
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else:
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msg = (_("No %(res)s provided for availability "
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"zone %(az)s") % {
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'res': config_name,
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'az': self.name})
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raise nsx_exc.NsxPluginException(err_msg=msg)
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return None
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try:
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# Check if the configured value is the ID
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resource_api.get(name_or_id, silent=True)
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return name_or_id
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except nsx_lib_exc.ResourceNotFound:
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# Search by tags
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if search_scope:
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resource_type = resource_api.entry_def.resource_type()
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resource_id = nsxpolicy.get_id_by_resource_and_tag(
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resource_type,
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search_scope,
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name_or_id)
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if resource_id:
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return resource_id
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# Check if the configured value is the name
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resource = resource_api.get_by_name(name_or_id)
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if resource:
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return resource['id']
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# Resource not found
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if self.is_default():
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raise cfg.RequiredOptError(config_name,
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group=cfg.OptGroup('nsx_p'))
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else:
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msg = (_("Could not find %(res)s %(id)s for availability "
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"zone %(az)s") % {
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'res': config_name,
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'id': name_or_id,
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'az': self.name})
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raise nsx_exc.NsxPluginException(err_msg=msg)
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def translate_configured_names_to_uuids(self, nsxpolicy, nsxlib=None,
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search_scope=None):
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super(NsxPAvailabilityZone, self).translate_configured_names_to_uuids(
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nsxpolicy)
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self._default_overlay_tz_uuid = self._init_default_resource(
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nsxpolicy, nsxpolicy.transport_zone, 'default_overlay_tz',
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auto_config=True, is_mandatory=True,
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filter_list_results=lambda tzs: [
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tz for tz in tzs if tz['tz_type'].startswith('OVERLAY')],
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search_scope=search_scope)
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self._default_vlan_tz_uuid = self._init_default_resource(
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nsxpolicy, nsxpolicy.transport_zone, 'default_vlan_tz',
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auto_config=True, is_mandatory=False,
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filter_list_results=lambda tzs: [
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tz for tz in tzs if tz['tz_type'].startswith('VLAN')],
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search_scope=search_scope)
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self._default_tier0_router = self._init_default_resource(
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nsxpolicy, nsxpolicy.tier0, 'default_tier0_router',
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auto_config=True, is_mandatory=True,
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search_scope=search_scope)
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self._edge_cluster_uuid = self._init_default_resource(
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nsxpolicy, nsxpolicy.edge_cluster, 'edge_cluster',
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auto_config=False, is_mandatory=False,
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search_scope=search_scope)
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# Init dhcp config from policy or MP
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self.use_policy_dhcp = False
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if (nsxpolicy.feature_supported(
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nsx_constants.FEATURE_NSX_POLICY_DHCP)):
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try:
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self._policy_dhcp_server_config = self._init_default_resource(
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nsxpolicy, nsxpolicy.dhcp_server_config, 'dhcp_profile',
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auto_config=False, is_mandatory=False,
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search_scope=search_scope)
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if self._policy_dhcp_server_config:
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self.use_policy_dhcp = True
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except Exception:
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# Not found. try as MP profile
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pass
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self._native_dhcp_profile_uuid = None
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if not self.use_policy_dhcp and nsxlib:
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self._translate_dhcp_profile(nsxlib, search_scope=search_scope)
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self.use_policy_md = False
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if (nsxpolicy.feature_supported(
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nsx_constants.FEATURE_NSX_POLICY_MDPROXY)):
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# Try to initialize md-proxy from the policy
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try:
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self._native_md_proxy_uuid = self._init_default_resource(
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nsxpolicy, nsxpolicy.md_proxy, 'metadata_proxy',
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auto_config=True, is_mandatory=True,
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search_scope=search_scope)
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LOG.info("NSX-P az using policy MD proxy: %s",
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self._native_md_proxy_uuid)
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self.use_policy_md = True
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except Exception:
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LOG.info("NSX-P az could not use policy MD proxy. Using MP "
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"one instead")
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if not self.use_policy_md:
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# Try to initialize md-proxy from the MP
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if nsxlib:
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self._translate_metadata_proxy(
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nsxlib, search_scope=search_scope)
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LOG.info("NSX-P az using MP MD proxy: %s",
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self._native_md_proxy_uuid)
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else:
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self._native_md_proxy_uuid = None
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def _validate_tz(self, nsxpolicy, nsxlib, obj_type, obj_id, ec_uuid):
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try:
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obj_tzs = utils.get_edge_cluster_tzs(nsxpolicy, nsxlib, ec_uuid)
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except nsx_lib_exc.ResourceNotFound as e:
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# Do not fail plugin init if this code fails
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LOG.warning("Failed to get edge cluster %s transport zones: %s",
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ec_uuid, e)
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return
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if self._default_overlay_tz_uuid not in obj_tzs:
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msg = (_("%(type)s %(id)s of availability zone %(az)s with edge "
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"cluster %(ec)s does not match the default overlay tz "
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"%(tz)s") % {
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'type': obj_type,
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'id': obj_id,
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'ec': ec_uuid,
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'tz': self._default_overlay_tz_uuid,
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'az': self.name})
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raise nsx_exc.NsxPluginException(err_msg=msg)
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if (self._default_vlan_tz_uuid and
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self._default_vlan_tz_uuid not in obj_tzs):
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msg = (_("%(type)s %(id)s of availability zone %(az)s with edge "
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"cluster %(ec)s does not match the default vlan tz "
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"%(tz)s") % {
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'type': obj_type,
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'id': obj_id,
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'ec': ec_uuid,
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'tz': self._default_vlan_tz_uuid,
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'az': self.name})
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raise nsx_exc.NsxPluginException(err_msg=msg)
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def validate_availability_zone(self, nsxpolicy, nsxlib=None):
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"""Validate that all the components of this AZ are connected"""
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if not nsxlib:
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LOG.warning("Cannot validate availability zone %s without "
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"passthrough api", self.name)
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return
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# Validate tier0 TZ match the default ones
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tier0_ec_path = nsxpolicy.tier0.get_edge_cluster_path(
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self._default_tier0_router)
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if not tier0_ec_path:
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msg = (_("Tier0 %(id)s of availability zone %(az)s does not have "
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"an edge cluster") % {
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'id': self._default_tier0_router,
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'az': self.name})
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raise nsx_exc.NsxPluginException(err_msg=msg)
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tier0_ec_uuid = p_utils.path_to_id(tier0_ec_path)
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self._validate_tz(nsxpolicy, nsxlib, 'Tier0',
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self._default_tier0_router,
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tier0_ec_uuid)
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if self.use_policy_dhcp:
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dhcp_ec_path = nsxpolicy.dhcp_server_config.get(
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self._policy_dhcp_server_config).get('edge_cluster_path')
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dhcp_ec = p_utils.path_to_id(dhcp_ec_path)
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if dhcp_ec != tier0_ec_uuid:
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self._validate_tz(nsxpolicy, nsxlib, 'DHCP server config',
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self._policy_dhcp_server_config,
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dhcp_ec)
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elif self._native_dhcp_profile_uuid:
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dhcp_ec = nsxlib.native_dhcp_profile.get(
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self._native_dhcp_profile_uuid).get('edge_cluster_id')
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if dhcp_ec != tier0_ec_uuid:
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self._validate_tz(nsxpolicy, nsxlib, 'DHCP profile',
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self._native_dhcp_profile_uuid,
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dhcp_ec)
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if self._native_md_proxy_uuid:
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# Validate that the edge cluster of the MD proxy (MP or policy one)
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# match the configured TZs
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if self.use_policy_md:
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md_ec_path = nsxpolicy.md_proxy.get(
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self._native_md_proxy_uuid).get('edge_cluster_path')
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md_ec = p_utils.path_to_id(md_ec_path)
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else:
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md_ec = nsxlib.native_md_proxy.get(
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self._native_md_proxy_uuid).get('edge_cluster_id')
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if md_ec != tier0_ec_uuid:
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self._validate_tz(nsxpolicy, nsxlib, 'MD Proxy',
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self._native_md_proxy_uuid,
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md_ec)
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class NsxPAvailabilityZones(common_az.ConfiguredAvailabilityZones):
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default_name = DEFAULT_NAME
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def __init__(self):
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default_azs = cfg.CONF.default_availability_zones
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super(NsxPAvailabilityZones, self).__init__(
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cfg.CONF.nsx_p.availability_zones,
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NsxPAvailabilityZone,
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default_availability_zones=default_azs)
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self.non_default_dns_domain = self.dns_domain_configured_non_default()
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def dns_domain_configured_non_default(self):
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for az in self.availability_zones.values():
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if az.dns_domain and az.dns_domain != cfg.CONF.nsx_p.dns_domain:
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return True
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return False
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