234 lines
9.5 KiB
Python
234 lines
9.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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 heat.engine import clients
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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.common import exception
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from heat.openstack.common import excutils
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from heat.openstack.common import log as logging
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from heat.openstack.common.gettextutils import _
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logger = logging.getLogger(__name__)
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class ElasticIp(resource.Resource):
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properties_schema = {
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'Domain': {
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'Type': 'String',
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'AllowedValues': ['vpc'],
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'Description': _('Set to "vpc" to have IP address allocation '
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'associated to your VPC.')},
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'InstanceId': {
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'Type': 'String',
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'Description': _('Instance ID to associate with EIP.')}}
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attributes_schema = {
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'AllocationId': _('ID that AWS assigns to represent the allocation of'
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' the address for use with Amazon VPC. Returned only'
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' for VPC elastic IP addresses.')
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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['Domain'] and clients.neutronclient:
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ne = clients.neutronclient.exceptions.NeutronClientException
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try:
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ips = self.neutron().show_floatingip(self.resource_id)
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except ne as e:
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if e.status_code == 404:
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logger.warn(_("Floating IPs not found: %s") % str(e))
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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 clients.novaclient.exceptions.NotFound as ex:
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logger.warn(_("Floating IPs not found: %s") % str(ex))
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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['Domain'] and clients.neutronclient:
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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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logger.info(_('ElasticIp create %s') % str(ips))
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else:
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if self.properties['Domain']:
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raise exception.Error(_('Domain property can not be set on '
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'resource %s without Neutron available')
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% self.name)
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try:
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ips = self.nova().floating_ips.create()
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except clients.novaclient.exceptions.NotFound:
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with excutils.save_and_reraise_exception():
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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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logger.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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logger.info(_('ElasticIp create %s') % str(ips))
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if self.properties['InstanceId']:
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server = self.nova().servers.get(self.properties['InstanceId'])
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res = server.add_floating_ip(self._ipaddress())
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def handle_delete(self):
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if self.properties['InstanceId']:
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try:
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server = self.nova().servers.get(self.properties['InstanceId'])
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if server:
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server.remove_floating_ip(self._ipaddress())
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except clients.novaclient.exceptions.NotFound as ex:
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pass
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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['Domain'] and clients.neutronclient:
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ne = clients.neutronclient.exceptions.NeutronClientException
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try:
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self.neutron().delete_floatingip(self.resource_id)
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except ne as e:
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if e.status_code != 404:
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raise e
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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 clients.novaclient.exceptions.NotFound:
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pass
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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 == 'AllocationId':
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return unicode(self.resource_id)
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class ElasticIpAssociation(resource.Resource):
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properties_schema = {
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'InstanceId': {
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'Type': 'String',
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'Required': False,
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'Description': _('Instance ID to associate with EIP specified by '
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'EIP property.')},
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'EIP': {
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'Type': 'String',
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'Description': _('EIP address to associate with instance.')},
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'AllocationId': {
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'Type': 'String',
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'Description': _('Allocation ID for VPC EIP address.')},
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'NetworkInterfaceId': {
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'Type': 'String',
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'Description': _('Network interface ID to associate with EIP.')}}
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def FnGetRefId(self):
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return unicode(self.physical_resource_name())
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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['EIP'] is not None \
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and self.properties['AllocationId'] is not None:
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raise exception.ResourcePropertyConflict('EIP',
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'AllocationId')
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if self.properties['EIP']:
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if not self.properties['InstanceId']:
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logger.warn(_('Skipping association, InstanceId not '
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'specified'))
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return
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server = self.nova().servers.get(self.properties['InstanceId'])
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server.add_floating_ip(self.properties['EIP'])
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self.resource_id_set(self.properties['EIP'])
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logger.debug('ElasticIpAssociation %s.add_floating_ip(%s)' %
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(self.properties['InstanceId'],
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self.properties['EIP']))
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elif self.properties['AllocationId']:
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assert clients.neutronclient, "Neutron required for VPC operations"
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port_id = None
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port_rsrc = None
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if self.properties['NetworkInterfaceId']:
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port_id = self.properties['NetworkInterfaceId']
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port_rsrc = self.neutron().list_ports(id=port_id)['ports'][0]
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elif self.properties['InstanceId']:
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instance_id = self.properties['InstanceId']
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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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logger.warn(_('Skipping association, resource not specified'))
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return
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float_id = self.properties['AllocationId']
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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['EIP']:
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try:
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server = self.nova().servers.get(self.properties['InstanceId'])
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if server:
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server.remove_floating_ip(self.properties['EIP'])
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except clients.novaclient.exceptions.NotFound as ex:
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pass
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elif self.properties['AllocationId']:
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float_id = self.properties['AllocationId']
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ne = clients.neutronclient.exceptions.NeutronClientException
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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 ne as e:
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if e.status_code != 404:
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raise e
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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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