def _handle_lswitch_selection(self, cluster, network,
network_binding, max_ports,
allow_extra_lswitches):
lswitches = nvplib.get_lswitches(cluster, network.id)
try:
# TODO find main_ls too!
return [ls for ls in lswitches
if (ls['_relations']['LogicalSwitchStatus']
['lport_count'] < max_ports)].pop(0)
except IndexError:
# Too bad, no switch available
LOG.debug(_("No switch has available ports (%d checked)") %
len(lswitches))
if allow_extra_lswitches:
main_ls = [ls for ls in lswitches if ls['uuid'] == network.id]
tag_dict = dict((x['scope'], x['tag']) for x in main_ls[0]['tags'])
if not 'multi_lswitch' in tag_dict:
nvplib.update_lswitch(cluster,
main_ls[0]['uuid'],
main_ls[0]['display_name'],
network['tenant_id'],
tags=[{'tag': 'True',
'scope': 'multi_lswitch'}])
selected_lswitch = nvplib.create_lswitch(
cluster, network.tenant_id,
"%s-ext-%s" % (network.name, len(lswitches)),
network_binding.binding_type,
network_binding.tz_uuid,
network_binding.vlan_id,
network.id)
return selected_lswitch
else:
LOG.error(_("Maximum number of logical ports reached for "
"logical network %s") % network.id)
raise nvp_exc.NvpNoMorePortsException(network=network.id)
def create_network(self, context, network):
"""
:returns: a sequence of mappings with the following signature:
{'id': UUID representing the network.
'name': Human-readable name identifying the network.
'tenant_id': Owner of network. only admin user
can specify a tenant_id other than its own.
'admin_state_up': Sets admin state of network. if down,
network does not forward packets.
'status': Indicates whether network is currently
operational (limit values to "ACTIVE", "DOWN",
"BUILD", and "ERROR"?
'subnets': Subnets associated with this network. Plan
to allow fully specified subnets as part of
network create.
}
:raises: exception.NoImplementedError
"""
net_data = network['network'].copy()
# Process the provider network extension
self._handle_provider_create(context, net_data)
# Replace ATTR_NOT_SPECIFIED with None before sending to NVP
for attr, value in network['network'].iteritems():
if value == attributes.ATTR_NOT_SPECIFIED:
net_data[attr] = None
# FIXME(arosen) implement admin_state_up = False in NVP
if net_data['admin_state_up'] is False:
LOG.warning(_("Network with admin_state_up=False are not yet "
"supported by this plugin. Ignoring setting for "
"network %s") % net_data.get('name', '<unknown>'))
tenant_id = self._get_tenant_id_for_create(context, net_data)
target_cluster = self._find_target_cluster(net_data)
lswitch = nvplib.create_lswitch(target_cluster,
tenant_id,
net_data.get('name'),
net_data.get(pnet.NETWORK_TYPE),
net_data.get(pnet.PHYSICAL_NETWORK),
net_data.get(pnet.SEGMENTATION_ID))
network['network']['id'] = lswitch['uuid']
with context.session.begin(subtransactions=True):
new_net = super(NvpPluginV2, self).create_network(context,
network)
if net_data.get(pnet.NETWORK_TYPE):
net_binding = nicira_db.add_network_binding(
context.session, new_net['id'],
net_data.get(pnet.NETWORK_TYPE),
net_data.get(pnet.PHYSICAL_NETWORK),
net_data.get(pnet.SEGMENTATION_ID))
self._extend_network_dict_provider(context, new_net,
net_binding)
return new_net
