258 lines
9.7 KiB
Python
258 lines
9.7 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 heat.common import exception
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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.vpc import VPC
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from heat.openstack.common import excutils
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from heat.openstack.common.gettextutils import _
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from heat.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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class ElasticIp(resource.Resource):
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PROPERTIES = (
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DOMAIN, INSTANCE_ID,
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) = (
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'Domain', 'InstanceId',
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)
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ATTRIBUTES = (
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ALLOCATION_ID,
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) = (
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'AllocationId',
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)
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properties_schema = {
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DOMAIN: properties.Schema(
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properties.Schema.STRING,
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_('Set to "vpc" to have IP address allocation associated to your '
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'VPC.'),
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constraints=[
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constraints.AllowedValues(['vpc']),
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]
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),
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INSTANCE_ID: properties.Schema(
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properties.Schema.STRING,
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_('Instance ID to associate with EIP.')
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),
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}
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attributes_schema = {
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ALLOCATION_ID: attributes.Schema(
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_('ID that AWS assigns to represent the allocation of the address '
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'for use with Amazon VPC. Returned only for VPC elastic IP '
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'addresses.')
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),
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}
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def __init__(self, name, json_snippet, stack):
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super(ElasticIp, self).__init__(name, json_snippet, stack)
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self.ipaddress = None
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def _ipaddress(self):
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if self.ipaddress is None and self.resource_id is not None:
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if self.properties[self.DOMAIN]:
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try:
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ips = self.neutron().show_floatingip(self.resource_id)
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except Exception as ex:
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self.client_plugin('neutron').ignore_not_found(ex)
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LOG.warn(_("Floating IPs not found"))
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else:
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self.ipaddress = ips['floatingip']['floating_ip_address']
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else:
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try:
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ips = self.nova().floating_ips.get(self.resource_id)
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except Exception as e:
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self.client_plugin('nova').ignore_not_found(e)
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LOG.warn(_("Floating IPs not found"))
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else:
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self.ipaddress = ips.ip
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return self.ipaddress or ''
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def handle_create(self):
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"""Allocate a floating IP for the current tenant."""
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ips = None
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if self.properties[self.DOMAIN]:
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from heat.engine.resources.internet_gateway import InternetGateway
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ext_net = InternetGateway.get_external_network_id(self.neutron())
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props = {'floating_network_id': ext_net}
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ips = self.neutron().create_floatingip({
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'floatingip': props})['floatingip']
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self.ipaddress = ips['floating_ip_address']
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self.resource_id_set(ips['id'])
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LOG.info(_('ElasticIp create %s') % str(ips))
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else:
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try:
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ips = self.nova().floating_ips.create()
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except Exception as e:
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with excutils.save_and_reraise_exception():
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if self.client_plugin('nova').is_not_found(e):
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msg = _("No default floating IP pool configured. "
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"Set 'default_floating_pool' in nova.conf.")
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LOG.error(msg)
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if ips:
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self.ipaddress = ips.ip
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self.resource_id_set(ips.id)
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LOG.info(_('ElasticIp create %s') % str(ips))
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instance_id = self.properties[self.INSTANCE_ID]
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if instance_id:
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server = self.nova().servers.get(instance_id)
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server.add_floating_ip(self._ipaddress())
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def handle_delete(self):
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instance_id = self.properties[self.INSTANCE_ID]
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if instance_id:
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try:
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server = self.nova().servers.get(instance_id)
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if server:
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server.remove_floating_ip(self._ipaddress())
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except Exception as e:
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self.client_plugin('nova').ignore_not_found(e)
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"""De-allocate a floating IP."""
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if self.resource_id is not None:
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if self.properties[self.DOMAIN]:
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try:
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self.neutron().delete_floatingip(self.resource_id)
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except Exception as ex:
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self.client_plugin('neutron').ignore_not_found(ex)
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else:
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try:
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self.nova().floating_ips.delete(self.resource_id)
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except Exception as e:
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self.client_plugin('nova').ignore_not_found(e)
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def FnGetRefId(self):
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return unicode(self._ipaddress())
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def _resolve_attribute(self, name):
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if name == self.ALLOCATION_ID:
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return unicode(self.resource_id)
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class ElasticIpAssociation(resource.Resource):
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PROPERTIES = (
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INSTANCE_ID, EIP, ALLOCATION_ID, NETWORK_INTERFACE_ID,
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) = (
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'InstanceId', 'EIP', 'AllocationId', 'NetworkInterfaceId',
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)
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properties_schema = {
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INSTANCE_ID: properties.Schema(
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properties.Schema.STRING,
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_('Instance ID to associate with EIP specified by EIP property.')
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),
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EIP: properties.Schema(
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properties.Schema.STRING,
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_('EIP address to associate with instance.')
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),
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ALLOCATION_ID: properties.Schema(
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properties.Schema.STRING,
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_('Allocation ID for VPC EIP address.')
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),
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NETWORK_INTERFACE_ID: properties.Schema(
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properties.Schema.STRING,
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_('Network interface ID to associate with EIP.')
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),
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}
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def FnGetRefId(self):
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return self.physical_resource_name_or_FnGetRefId()
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def handle_create(self):
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"""Add a floating IP address to a server."""
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if self.properties[self.EIP] is not None \
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and self.properties[self.ALLOCATION_ID] is not None:
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raise exception.ResourcePropertyConflict(
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self.EIP,
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self.ALLOCATION_ID)
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if self.properties[self.EIP]:
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if not self.properties[self.INSTANCE_ID]:
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LOG.warn(_('Skipping association, InstanceId not specified'))
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return
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server = self.nova().servers.get(self.properties[self.INSTANCE_ID])
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server.add_floating_ip(self.properties[self.EIP])
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self.resource_id_set(self.properties[self.EIP])
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LOG.debug('ElasticIpAssociation '
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'%(instance)s.add_floating_ip(%(eip)s)',
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{'instance': self.properties[self.INSTANCE_ID],
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'eip': self.properties[self.EIP]})
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elif self.properties[self.ALLOCATION_ID]:
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port_id = None
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port_rsrc = None
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if self.properties[self.NETWORK_INTERFACE_ID]:
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port_id = self.properties[self.NETWORK_INTERFACE_ID]
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port_rsrc = self.neutron().list_ports(id=port_id)['ports'][0]
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elif self.properties[self.INSTANCE_ID]:
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instance_id = self.properties[self.INSTANCE_ID]
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ports = self.neutron().list_ports(device_id=instance_id)
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port_rsrc = ports['ports'][0]
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port_id = port_rsrc['id']
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else:
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LOG.warn(_('Skipping association, resource not specified'))
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return
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float_id = self.properties[self.ALLOCATION_ID]
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self.resource_id_set(float_id)
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# assuming only one fixed_ip
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subnet_id = port_rsrc['fixed_ips'][0]['subnet_id']
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subnets = self.neutron().list_subnets(id=subnet_id)
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subnet_rsrc = subnets['subnets'][0]
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netid = subnet_rsrc['network_id']
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router = VPC.router_for_vpc(self.neutron(), netid)
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if router is not None:
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floatingip = self.neutron().show_floatingip(float_id)
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floating_net_id = \
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floatingip['floatingip']['floating_network_id']
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self.neutron().add_gateway_router(
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router['id'], {'network_id': floating_net_id})
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self.neutron().update_floatingip(
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float_id, {'floatingip': {'port_id': port_id}})
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def handle_delete(self):
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"""Remove a floating IP address from a server or port."""
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if self.properties[self.EIP]:
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try:
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instance_id = self.properties[self.INSTANCE_ID]
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server = self.nova().servers.get(instance_id)
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if server:
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server.remove_floating_ip(self.properties[self.EIP])
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except Exception as e:
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self.client_plugin('nova').ignore_not_found(e)
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elif self.properties[self.ALLOCATION_ID]:
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float_id = self.properties[self.ALLOCATION_ID]
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try:
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self.neutron().update_floatingip(
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float_id, {'floatingip': {'port_id': None}})
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except Exception as ex:
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self.client_plugin('neutron').ignore_not_found(ex)
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def resource_mapping():
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return {
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'AWS::EC2::EIP': ElasticIp,
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'AWS::EC2::EIPAssociation': ElasticIpAssociation,
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}
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