Remove the usage of instance['extra_specs'].

Instance type extra specs is remove from instance dict, so use inst_type['extra_specs']
instead of instance['extra_specs'].

fix bug #1146253

Change-Id: I1d3542e5142f490269607b779daa507f9d7b36e4

nova/tests/fake_network.py

@@ -54,7 +54,8 @@ class FakeVIFDriver(object):
     def setattr(self, key, val):
         self.__setattr__(key, val)
 
-    def get_config(self, instance, network, mapping, image_meta):
+    def get_config(self, instance, network, mapping, image_meta,
+                   inst_type=None):
         conf = libvirt_config.LibvirtConfigGuestInterface()
 
         for attr, val in conf.__dict__.iteritems():

nova/virt/libvirt/driver.py

@@ -2244,7 +2244,8 @@ class LibvirtDriver(driver.ComputeDriver):
         for (network, mapping) in network_info:
             cfg = self.vif_driver.get_config(instance,
                                              network, mapping,
-                                             image_meta)
+                                             image_meta,
+                                             inst_type)
             guest.add_device(cfg)
 
         if CONF.libvirt_type == "qemu" or CONF.libvirt_type == "kvm":

nova/virt/libvirt/vif.py

@@ -92,7 +92,8 @@ class LibvirtBaseVIFDriver(object):
             return mapping['vif_devname']
         return ("nic" + mapping['vif_uuid'])[:network_model.NIC_NAME_LEN]
 
-    def get_config(self, instance, network, mapping, image_meta):
+    def get_config(self, instance, network, mapping, image_meta,
+                   inst_type=None):
         conf = vconfig.LibvirtConfigGuestInterface()
         # Default to letting libvirt / the hypervisor choose the model
         model = None
@@ -159,13 +160,15 @@ class LibvirtGenericVIFDriver(LibvirtBaseVIFDriver):
             return True
         return False
 
-    def get_config_bridge(self, instance, network, mapping, image_meta):
+    def get_config_bridge(self, instance, network, mapping, image_meta,
+                            inst_type=None):
         """Get VIF configurations for bridge type."""
         conf = super(LibvirtGenericVIFDriver,
                      self).get_config(instance,
                                       network,
                                       mapping,
-                                      image_meta)
+                                      image_meta,
+                                      inst_type)
 
         designer.set_vif_host_backend_bridge_config(
             conf, self.get_bridge_name(network),
@@ -175,7 +178,8 @@ class LibvirtGenericVIFDriver(LibvirtBaseVIFDriver):
         name = "nova-instance-" + instance['name'] + "-" + mac_id
         if self.get_firewall_required():
             conf.filtername = name
-        designer.set_vif_bandwidth_config(conf, instance)
+        if inst_type and inst_type.get('extra_specs') is not None:
+            designer.set_vif_bandwidth_config(conf, inst_type['extra_specs'])
 
         return conf
 
@@ -258,7 +262,8 @@ class LibvirtGenericVIFDriver(LibvirtBaseVIFDriver):
 
         return conf
 
-    def get_config(self, instance, network, mapping, image_meta):
+    def get_config(self, instance, network, mapping, image_meta,
+                   inst_type=None):
         vif_type = mapping.get('vif_type')
 
         LOG.debug(_("vif_type=%(vif_type)s instance=%(instance)s "
@@ -273,7 +278,8 @@ class LibvirtGenericVIFDriver(LibvirtBaseVIFDriver):
         if vif_type == network_model.VIF_TYPE_BRIDGE:
             return self.get_config_bridge(instance,
                                           network, mapping,
-                                          image_meta)
+                                          image_meta,
+                                          inst_type)
         elif vif_type == network_model.VIF_TYPE_OVS:
             return self.get_config_ovs(instance,
                                        network, mapping,