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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from heat.engine import clients
from heat.engine import properties
from heat.engine import resource
from heat.openstack.common import excutils
from heat.openstack.common import log as logging
from heat.openstack.common.gettextutils import _
logger = logging.getLogger(__name__)
class NovaFloatingIp(resource.Resource):
PROPERTIES = (POOL,) = ('pool',)
properties_schema = {
POOL: properties.Schema(
properties.Schema.STRING,
description=_('Allocate a floating IP from a given '
'floating IP pool.')
),
}
attributes_schema = {
'pool': _('Pool from which floating IP is allocated.'),
'ip': _('Allocated floating IP address.')
}
def __init__(self, name, json_snippet, stack):
super(NovaFloatingIp, self).__init__(name, json_snippet, stack)
self._floating_ip = None
def _get_resource(self):
if self._floating_ip is None and self.resource_id is not None:
self._floating_ip = self.nova().floating_ips.get(self.resource_id)
return self._floating_ip
def handle_create(self):
try:
pool = self.properties.get(self.POOL)
floating_ip = self.nova().floating_ips.create(pool=pool)
except clients.novaclient.exceptions.NotFound:
with excutils.save_and_reraise_exception():
if pool is None:
msg = _('Could not allocate floating IP. Probably there '
'is no default floating IP pool is configured.')
logger.error(msg)
self.resource_id_set(floating_ip.id)
self._floating_ip = floating_ip
def handle_delete(self):
if self.resource_id is not None:
try:
self.nova().floating_ips.delete(self.resource_id)
except clients.novaclient.exceptions.NotFound:
pass
def _resolve_attribute(self, key):
floating_ip = self._get_resource()
attributes = {
'pool': getattr(floating_ip, 'pool', None),
'ip': floating_ip.ip
}
return unicode(attributes[key])
class NovaFloatingIpAssociation(resource.Resource):
PROPERTIES = (
SERVER, FLOATING_IP
) = (
'server_id', 'floating_ip'
)
properties_schema = {
SERVER: properties.Schema(
properties.Schema.STRING,
_('Server to assign floating IP to.'),
required=True
),
FLOATING_IP: properties.Schema(
properties.Schema.STRING,
_('ID of the floating IP to assign to the server.'),
required=True
),
}
def FnGetRefId(self):
return unicode(self.physical_resource_name())
def handle_create(self):
server = self.nova().servers.get(self.properties[self.SERVER])
fl_ip = self.nova().floating_ips.get(self.properties[self.FLOATING_IP])
self.nova().servers.add_floating_ip(server, fl_ip.ip)
self.resource_id_set('%s-%s' % (fl_ip.id, fl_ip.ip))
def handle_delete(self):
try:
server = self.nova().servers.get(self.properties[self.SERVER])
if server:
self.nova().servers.remove_floating_ip(
server, self.properties[self.FLOATING_IP]
)
except clients.novaclient.exceptions.NotFound:
pass
def resource_mapping():
return {
'OS::Nova::FloatingIP': NovaFloatingIp,
'OS::Nova::FloatingIPAssociation': NovaFloatingIpAssociation,
}
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