openstack
/
sahara
Code Issues Proposed changes

Add fixed and floating IPs discovery via neutron 

* Heat uses neutronclient and in some cases provisioned instances
  don't have allocated floating IP or/and fixed IP in the
  nova_client.servers.get(instance.id) or 'nova show <instance.id>'
  invocations. But Neutron may contain these properties intialized
  in FLoatingIP resources. So the algorithm is as follows:
  * We try to get IPs from nova.servers.get()
   * If succeded go to the next provisioning step
   * If some IP is empty trying to get it via Neutron
     * Search port by instance ID
     * Search FloatingIP resource by port ID
     * Get fixed or/and floating ips addresses from FloatingIP resource

* Filtering search of port and FloatingIP resources improves performance
  because we don't need to check all ports and FloatingIPs in the
  Sahara's code and we rely on Neutron here

Change-Id: I2ec377d268bfb426df4c18ac38c8d8e9a52542e0
Closes-bug: #1293962
This commit is contained in:
Alexander Ignatov 2014-03-26 00:47:40 +04:00
parent 91b75f4a07
commit 1b040dd227
1 changed files with 24 additions and 13 deletions
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37
sahara/service/networks.py
View File

@ -51,20 +51,31 @@ def init_instances_ips(instance):
if not CONF.use_floating_ips:
management_ip = internal_ip
if not management_ip and CONF.use_neutron:
# NOTE(aignatov): Once bug #1262529 is fixed this 'if' block should be
# reviewed and reformatted again, probably removed completely.
if CONF.use_neutron and not (management_ip and internal_ip):
LOG.debug("Instance %s doesn't contain yet Floating IP or Internal IP."
" Floating IP=%s, Internal IP=%s. Trying to get via Neutron."
% (server.name, management_ip, internal_ip))
neutron_client = neutron.client()
target_port = None
for port in neutron_client.list_ports()["ports"]:
if port["device_id"] == server.id:
target_port = port
break
for fl_ip in neutron_client.list_floatingips()['floatingips']:
if fl_ip['port_id'] == target_port['id']:
management_ip = fl_ip['floating_ip_address']
LOG.debug('Found floating IP %s for %s' % (management_ip,
server.name))
break
ports = neutron_client.list_ports(device_id=server.id)["ports"]
if ports:
target_port_id = ports[0]['id']
fl_ips = neutron_client.list_floatingips(
port_id=target_port_id)['floatingips']
if fl_ips:
fl_ip = fl_ips[0]
if not internal_ip:
internal_ip = fl_ip['fixed_ip_address']
LOG.debug('Found fixed IP %s for %s' % (internal_ip,
server.name))
# Zeroing management_ip if Sahara in private network
if not CONF.use_floating_ips:
management_ip = internal_ip
elif not management_ip:
management_ip = fl_ip['floating_ip_address']
LOG.debug('Found floating IP %s for %s' % (management_ip,
server.name))
conductor.instance_update(context.ctx(), instance,
{"management_ip": management_ip,