591 lines
24 KiB
Python
591 lines
24 KiB
Python
#
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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_log import log as logging
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from oslo_serialization import jsonutils
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import six
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from heat.common.i18n import _
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from heat.engine import attributes
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from heat.engine import constraints
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from heat.engine import properties
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from heat.engine import resource
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from heat.engine.resources.openstack.neutron import neutron
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from heat.engine.resources.openstack.neutron import subnet
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from heat.engine import support
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from heat.engine import translation
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LOG = logging.getLogger(__name__)
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class Port(neutron.NeutronResource):
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"""A resource for managing Neutron ports.
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A port represents a virtual switch port on a logical network switch.
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Virtual instances attach their interfaces into ports. The logical port also
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defines the MAC address and the IP address(es) to be assigned to the
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interfaces plugged into them. When IP addresses are associated to a port,
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this also implies the port is associated with a subnet, as the IP address
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was taken from the allocation pool for a specific subnet.
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"""
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entity = 'port'
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PROPERTIES = (
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NAME, NETWORK_ID, NETWORK, FIXED_IPS, SECURITY_GROUPS,
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REPLACEMENT_POLICY, DEVICE_ID, DEVICE_OWNER, DNS_NAME,
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TAGS,
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) = (
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'name', 'network_id', 'network', 'fixed_ips', 'security_groups',
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'replacement_policy', 'device_id', 'device_owner', 'dns_name',
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'tags',
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)
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EXTRA_PROPERTIES = (
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VALUE_SPECS, ADMIN_STATE_UP, MAC_ADDRESS,
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ALLOWED_ADDRESS_PAIRS, VNIC_TYPE, QOS_POLICY,
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PORT_SECURITY_ENABLED,
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) = (
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'value_specs', 'admin_state_up', 'mac_address',
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'allowed_address_pairs', 'binding:vnic_type', 'qos_policy',
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'port_security_enabled',
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)
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_FIXED_IP_KEYS = (
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FIXED_IP_SUBNET_ID, FIXED_IP_SUBNET, FIXED_IP_IP_ADDRESS,
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) = (
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'subnet_id', 'subnet', 'ip_address',
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)
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_ALLOWED_ADDRESS_PAIR_KEYS = (
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ALLOWED_ADDRESS_PAIR_MAC_ADDRESS, ALLOWED_ADDRESS_PAIR_IP_ADDRESS,
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) = (
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'mac_address', 'ip_address',
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)
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ATTRIBUTES = (
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ADMIN_STATE_UP_ATTR, DEVICE_ID_ATTR, DEVICE_OWNER_ATTR, FIXED_IPS_ATTR,
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MAC_ADDRESS_ATTR, NAME_ATTR, NETWORK_ID_ATTR, SECURITY_GROUPS_ATTR,
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STATUS, TENANT_ID, ALLOWED_ADDRESS_PAIRS_ATTR, SUBNETS_ATTR,
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PORT_SECURITY_ENABLED_ATTR, QOS_POLICY_ATTR, DNS_ASSIGNMENT,
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) = (
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'admin_state_up', 'device_id', 'device_owner', 'fixed_ips',
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'mac_address', 'name', 'network_id', 'security_groups',
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'status', 'tenant_id', 'allowed_address_pairs', 'subnets',
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'port_security_enabled', 'qos_policy_id', 'dns_assignment',
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)
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properties_schema = {
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NAME: properties.Schema(
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properties.Schema.STRING,
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_('A symbolic name for this port.'),
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update_allowed=True
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),
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NETWORK_ID: properties.Schema(
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properties.Schema.STRING,
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support_status=support.SupportStatus(
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status=support.HIDDEN,
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version='5.0.0',
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message=_('Use property %s.') % NETWORK,
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previous_status=support.SupportStatus(
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status=support.DEPRECATED,
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version='2014.2'
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)
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),
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constraints=[
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constraints.CustomConstraint('neutron.network')
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],
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),
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NETWORK: properties.Schema(
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properties.Schema.STRING,
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_('Network this port belongs to. If you plan to use current port '
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'to assign Floating IP, you should specify %(fixed_ips)s '
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'with %(subnet)s. Note if this changes to a different network '
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'update, the port will be replaced.') %
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{'fixed_ips': FIXED_IPS, 'subnet': FIXED_IP_SUBNET},
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support_status=support.SupportStatus(version='2014.2'),
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required=True,
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constraints=[
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constraints.CustomConstraint('neutron.network')
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],
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),
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DEVICE_ID: properties.Schema(
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properties.Schema.STRING,
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_('Device ID of this port.'),
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update_allowed=True
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),
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DEVICE_OWNER: properties.Schema(
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properties.Schema.STRING,
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_('Name of the network owning the port. '
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'The value is typically network:floatingip '
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'or network:router_interface or network:dhcp.'),
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update_allowed=True
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),
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FIXED_IPS: properties.Schema(
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properties.Schema.LIST,
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_('Desired IPs for this port.'),
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schema=properties.Schema(
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properties.Schema.MAP,
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schema={
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FIXED_IP_SUBNET_ID: properties.Schema(
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properties.Schema.STRING,
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support_status=support.SupportStatus(
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status=support.HIDDEN,
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version='5.0.0',
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message=_('Use property %s.') % FIXED_IP_SUBNET,
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previous_status=support.SupportStatus(
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status=support.DEPRECATED,
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version='2014.2 '
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)
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),
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constraints=[
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constraints.CustomConstraint('neutron.subnet')
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]
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),
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FIXED_IP_SUBNET: properties.Schema(
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properties.Schema.STRING,
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_('Subnet in which to allocate the IP address for '
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'this port.'),
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support_status=support.SupportStatus(version='2014.2'),
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constraints=[
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constraints.CustomConstraint('neutron.subnet')
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]
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),
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FIXED_IP_IP_ADDRESS: properties.Schema(
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properties.Schema.STRING,
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_('IP address desired in the subnet for this port.'),
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constraints=[
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constraints.CustomConstraint('ip_addr')
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]
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),
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},
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),
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update_allowed=True
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),
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SECURITY_GROUPS: properties.Schema(
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properties.Schema.LIST,
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_('Security group IDs to associate with this port.'),
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update_allowed=True
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),
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REPLACEMENT_POLICY: properties.Schema(
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properties.Schema.STRING,
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_('Policy on how to respond to a stack-update for this resource. '
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'REPLACE_ALWAYS will replace the port regardless of any '
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'property changes. AUTO will update the existing port for any '
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'changed update-allowed property.'),
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default='AUTO',
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constraints=[
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constraints.AllowedValues(['REPLACE_ALWAYS', 'AUTO']),
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],
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update_allowed=True,
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support_status=support.SupportStatus(
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status=support.HIDDEN,
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version='9.0.0',
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previous_status=support.SupportStatus(
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status=support.DEPRECATED,
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version='6.0.0',
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message=_('Replacement policy used to work around flawed '
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'nova/neutron port interaction which has been '
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'fixed since Liberty.'),
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previous_status=support.SupportStatus(version='2014.2')
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)
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)
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),
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DNS_NAME: properties.Schema(
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properties.Schema.STRING,
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_('DNS name associated with the port.'),
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update_allowed=True,
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constraints=[
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constraints.CustomConstraint('dns_name')
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],
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support_status=support.SupportStatus(version='7.0.0'),
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),
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TAGS: properties.Schema(
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properties.Schema.LIST,
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_('The tags to be added to the port.'),
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schema=properties.Schema(properties.Schema.STRING),
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update_allowed=True,
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support_status=support.SupportStatus(version='9.0.0')
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),
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}
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# NOTE(prazumovsky): properties_schema has been separated because some
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# properties used in server for creating internal port.
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extra_properties_schema = {
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VALUE_SPECS: properties.Schema(
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properties.Schema.MAP,
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_('Extra parameters to include in the request.'),
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default={},
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update_allowed=True
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),
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ADMIN_STATE_UP: properties.Schema(
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properties.Schema.BOOLEAN,
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_('The administrative state of this port.'),
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default=True,
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update_allowed=True
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),
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MAC_ADDRESS: properties.Schema(
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properties.Schema.STRING,
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_('MAC address to give to this port. The default update policy '
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'of this property in neutron is that allow admin role only.'),
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constraints=[
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constraints.CustomConstraint('mac_addr')
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],
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update_allowed=True,
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),
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ALLOWED_ADDRESS_PAIRS: properties.Schema(
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properties.Schema.LIST,
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_('Additional MAC/IP address pairs allowed to pass through the '
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'port.'),
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schema=properties.Schema(
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properties.Schema.MAP,
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schema={
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ALLOWED_ADDRESS_PAIR_MAC_ADDRESS: properties.Schema(
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properties.Schema.STRING,
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_('MAC address to allow through this port.'),
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constraints=[
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constraints.CustomConstraint('mac_addr')
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]
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),
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ALLOWED_ADDRESS_PAIR_IP_ADDRESS: properties.Schema(
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properties.Schema.STRING,
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_('IP address to allow through this port.'),
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required=True,
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constraints=[
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constraints.CustomConstraint('net_cidr')
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]
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),
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},
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),
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update_allowed=True,
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),
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VNIC_TYPE: properties.Schema(
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properties.Schema.STRING,
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_('The vnic type to be bound on the neutron port. '
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'To support SR-IOV PCI passthrough networking, you can request '
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'that the neutron port to be realized as normal (virtual nic), '
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'direct (pci passthrough), or macvtap '
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'(virtual interface with a tap-like software interface). Note '
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'that this only works for Neutron deployments that support '
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'the bindings extension.'),
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constraints=[
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constraints.AllowedValues(['normal', 'direct', 'macvtap',
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'direct-physical', 'baremetal']),
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],
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support_status=support.SupportStatus(version='2015.1'),
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update_allowed=True
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),
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PORT_SECURITY_ENABLED: properties.Schema(
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properties.Schema.BOOLEAN,
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_('Flag to enable/disable port security on the port. '
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'When disable this feature(set it to False), there will be no '
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'packages filtering, like security-group and address-pairs.'),
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update_allowed=True,
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support_status=support.SupportStatus(version='5.0.0')
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),
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QOS_POLICY: properties.Schema(
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properties.Schema.STRING,
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_('The name or ID of QoS policy to attach to this port.'),
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constraints=[
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constraints.CustomConstraint('neutron.qos_policy')
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],
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update_allowed=True,
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support_status=support.SupportStatus(version='6.0.0')
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),
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}
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# Need to update properties_schema with other properties before
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# initialisation, because resource should contain all properties before
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# creating. Also, documentation should correctly resolves resource
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# properties schema.
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properties_schema.update(extra_properties_schema)
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attributes_schema = {
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ADMIN_STATE_UP_ATTR: attributes.Schema(
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_("The administrative state of this port."),
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type=attributes.Schema.STRING
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),
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DEVICE_ID_ATTR: attributes.Schema(
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_("Unique identifier for the device."),
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type=attributes.Schema.STRING
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),
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DEVICE_OWNER: attributes.Schema(
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_("Name of the network owning the port."),
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type=attributes.Schema.STRING
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),
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FIXED_IPS_ATTR: attributes.Schema(
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_("Fixed IP addresses."),
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type=attributes.Schema.LIST
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),
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MAC_ADDRESS_ATTR: attributes.Schema(
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_("MAC address of the port."),
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type=attributes.Schema.STRING
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),
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NAME_ATTR: attributes.Schema(
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_("Friendly name of the port."),
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type=attributes.Schema.STRING
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),
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NETWORK_ID_ATTR: attributes.Schema(
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_("Unique identifier for the network owning the port."),
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type=attributes.Schema.STRING
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),
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SECURITY_GROUPS_ATTR: attributes.Schema(
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_("A list of security groups for the port."),
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type=attributes.Schema.LIST
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),
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STATUS: attributes.Schema(
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_("The status of the port."),
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type=attributes.Schema.STRING
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),
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TENANT_ID: attributes.Schema(
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_("Tenant owning the port."),
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type=attributes.Schema.STRING
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),
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ALLOWED_ADDRESS_PAIRS_ATTR: attributes.Schema(
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_("Additional MAC/IP address pairs allowed to pass through "
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"a port."),
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type=attributes.Schema.LIST
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),
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SUBNETS_ATTR: attributes.Schema(
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_("A list of all subnet attributes for the port."),
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type=attributes.Schema.LIST
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),
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PORT_SECURITY_ENABLED_ATTR: attributes.Schema(
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_("Port security enabled of the port."),
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support_status=support.SupportStatus(version='5.0.0'),
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type=attributes.Schema.BOOLEAN
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),
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QOS_POLICY_ATTR: attributes.Schema(
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_("The QoS policy ID attached to this port."),
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type=attributes.Schema.STRING,
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support_status=support.SupportStatus(version='6.0.0'),
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),
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DNS_ASSIGNMENT: attributes.Schema(
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_("The DNS assigned to this port."),
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type=attributes.Schema.MAP,
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support_status=support.SupportStatus(version='7.0.0'),
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),
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}
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def translation_rules(self, props):
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return [
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translation.TranslationRule(
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props,
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translation.TranslationRule.REPLACE,
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[self.NETWORK],
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value_path=[self.NETWORK_ID]
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.REPLACE,
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[self.FIXED_IPS, self.FIXED_IP_SUBNET],
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value_name=self.FIXED_IP_SUBNET_ID
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.NETWORK],
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client_plugin=self.client_plugin(),
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finder='find_resourceid_by_name_or_id',
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entity='network'
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.FIXED_IPS, self.FIXED_IP_SUBNET],
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client_plugin=self.client_plugin(),
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finder='find_resourceid_by_name_or_id',
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entity='subnet'
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)
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]
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def add_dependencies(self, deps):
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super(Port, self).add_dependencies(deps)
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# Depend on any Subnet in this template with the same
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# network_id as this network_id.
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# It is not known which subnet a port might be assigned
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# to so all subnets in a network should be created before
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# the ports in that network.
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for res in six.itervalues(self.stack):
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if res.has_interface('OS::Neutron::Subnet'):
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dep_network = res.properties.get(subnet.Subnet.NETWORK)
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network = self.properties[self.NETWORK]
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if dep_network == network:
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deps += (self, res)
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def handle_create(self):
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props = self.prepare_properties(
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self.properties,
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self.physical_resource_name())
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props['network_id'] = props.pop(self.NETWORK)
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self._prepare_port_properties(props)
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qos_policy = props.pop(self.QOS_POLICY, None)
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tags = props.pop(self.TAGS, [])
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if qos_policy:
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props['qos_policy_id'] = self.client_plugin().get_qos_policy_id(
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qos_policy)
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port = self.client().create_port({'port': props})['port']
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self.resource_id_set(port['id'])
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if tags:
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self.set_tags(tags)
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def _prepare_port_properties(self, props, prepare_for_update=False):
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if self.FIXED_IPS in props:
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fixed_ips = props[self.FIXED_IPS]
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if fixed_ips:
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for fixed_ip in fixed_ips:
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for key, value in list(fixed_ip.items()):
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if value is None:
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fixed_ip.pop(key)
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if self.FIXED_IP_SUBNET in fixed_ip:
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fixed_ip[
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'subnet_id'] = fixed_ip.pop(self.FIXED_IP_SUBNET)
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else:
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# Passing empty list would have created a port without
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# fixed_ips during CREATE and released the existing
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# fixed_ips during UPDATE (default neutron behaviour).
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# However, for backward compatibility we will let neutron
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# assign ip for CREATE and leave the assigned ips during
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# UPDATE by not passing it. ref bug #1538473.
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del props[self.FIXED_IPS]
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# delete empty MAC addresses so that Neutron validation code
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# wouldn't fail as it not accepts Nones
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if self.ALLOWED_ADDRESS_PAIRS in props:
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address_pairs = props[self.ALLOWED_ADDRESS_PAIRS]
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if address_pairs:
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for pair in address_pairs:
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if (self.ALLOWED_ADDRESS_PAIR_MAC_ADDRESS in pair
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and pair[
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self.ALLOWED_ADDRESS_PAIR_MAC_ADDRESS] is None):
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del pair[self.ALLOWED_ADDRESS_PAIR_MAC_ADDRESS]
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else:
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props[self.ALLOWED_ADDRESS_PAIRS] = []
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# if without 'security_groups', don't set the 'security_groups'
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# property when creating, neutron will create the port with the
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# 'default' securityGroup. If has the 'security_groups' and the
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# value is [], which means to create the port without securityGroup.
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if self.SECURITY_GROUPS in props:
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if props.get(self.SECURITY_GROUPS) is not None:
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props[self.SECURITY_GROUPS] = self.client_plugin(
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).get_secgroup_uuids(props.get(self.SECURITY_GROUPS))
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else:
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# And the update should has the same behavior.
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if prepare_for_update:
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props[self.SECURITY_GROUPS] = self.client_plugin(
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).get_secgroup_uuids(['default'])
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if self.REPLACEMENT_POLICY in props:
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del(props[self.REPLACEMENT_POLICY])
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def check_create_complete(self, *args):
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attributes = self._show_resource()
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return self.is_built(attributes)
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def handle_delete(self):
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try:
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self.client().delete_port(self.resource_id)
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except Exception as ex:
|
|
self.client_plugin().ignore_not_found(ex)
|
|
else:
|
|
return True
|
|
|
|
def _resolve_attribute(self, name):
|
|
if self.resource_id is None:
|
|
return
|
|
if name == self.SUBNETS_ATTR:
|
|
subnets = []
|
|
try:
|
|
fixed_ips = self._show_resource().get('fixed_ips', [])
|
|
for fixed_ip in fixed_ips:
|
|
subnet_id = fixed_ip.get('subnet_id')
|
|
if subnet_id:
|
|
subnets.append(self.client().show_subnet(
|
|
subnet_id)['subnet'])
|
|
except Exception as ex:
|
|
LOG.warning("Failed to fetch resource attributes: %s", ex)
|
|
return
|
|
return subnets
|
|
return super(Port, self)._resolve_attribute(name)
|
|
|
|
def needs_replace(self, after_props):
|
|
"""Mandatory replace based on props."""
|
|
return after_props.get(self.REPLACEMENT_POLICY) == 'REPLACE_ALWAYS'
|
|
|
|
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
|
|
if prop_diff:
|
|
self.prepare_update_properties(prop_diff)
|
|
if self.QOS_POLICY in prop_diff:
|
|
qos_policy = prop_diff.pop(self.QOS_POLICY)
|
|
prop_diff['qos_policy_id'] = self.client_plugin(
|
|
).get_qos_policy_id(qos_policy) if qos_policy else None
|
|
|
|
if self.TAGS in prop_diff:
|
|
tags = prop_diff.pop(self.TAGS)
|
|
self.set_tags(tags)
|
|
|
|
self._prepare_port_properties(prop_diff, prepare_for_update=True)
|
|
LOG.debug('updating port with %s', prop_diff)
|
|
self.client().update_port(self.resource_id, {'port': prop_diff})
|
|
|
|
def check_update_complete(self, *args):
|
|
attributes = self._show_resource()
|
|
return self.is_built(attributes)
|
|
|
|
def prepare_for_replace(self):
|
|
# if the port has not been created yet, return directly
|
|
if self.resource_id is None:
|
|
return
|
|
# store port fixed_ips for restoring after failed update
|
|
fixed_ips = self._show_resource().get('fixed_ips', [])
|
|
self.data_set('port_fip', jsonutils.dumps(fixed_ips))
|
|
# reset fixed_ips for this port by setting fixed_ips to []
|
|
props = {'fixed_ips': []}
|
|
self.client().update_port(self.resource_id, {'port': props})
|
|
|
|
def restore_prev_rsrc(self, convergence=False):
|
|
# In case of convergence, during rollback, the previous rsrc is
|
|
# already selected and is being acted upon.
|
|
if convergence:
|
|
prev_port = self
|
|
existing_port, rsrc_owning_stack, stack = resource.Resource.load(
|
|
prev_port.context, prev_port.replaced_by,
|
|
prev_port.stack.current_traversal, True,
|
|
prev_port.stack.defn._resource_data
|
|
)
|
|
existing_port_id = existing_port.resource_id
|
|
else:
|
|
backup_stack = self.stack._backup_stack()
|
|
prev_port = backup_stack.resources.get(self.name)
|
|
existing_port_id = self.resource_id
|
|
|
|
if existing_port_id:
|
|
# reset fixed_ips to [] for new resource
|
|
props = {'fixed_ips': []}
|
|
self.client().update_port(existing_port_id, {'port': props})
|
|
|
|
fixed_ips = prev_port.data().get('port_fip', [])
|
|
if fixed_ips and prev_port.resource_id:
|
|
# restore ip for old port
|
|
prev_port_props = {'fixed_ips': jsonutils.loads(fixed_ips)}
|
|
self.client().update_port(prev_port.resource_id,
|
|
{'port': prev_port_props})
|
|
|
|
|
|
def resource_mapping():
|
|
return {
|
|
'OS::Neutron::Port': Port,
|
|
}
|