vnf-update: update attributes

Change-Id: Id5b11643bf28e977c52caccadd5d574132d72c24

tacker/db/vm/vm_db.py

@@ -605,13 +605,24 @@ class ServiceResourcePluginDb(servicevm.ServiceVMPluginBase,
                 context, device_id, _ACTIVE_UPDATE, constants.PENDING_UPDATE)
         return self._make_device_dict(device_db)
 
-    def _update_device_post(self, context, device_id, new_status):
+    def _update_device_post(self, context, device_id, new_status,
+                            new_device_dict=None):
         with context.session.begin(subtransactions=True):
             (self._model_query(context, Device).
              filter(Device.id == device_id).
              filter(Device.status == constants.PENDING_UPDATE).
              update({'status': new_status}))
 
+            dev_attrs = new_device_dict.get('attributes', {})
+            (context.session.query(DeviceAttribute).
+             filter(DeviceAttribute.device_id == device_id).
+             filter(~DeviceAttribute.key.in_(dev_attrs.keys())).
+             delete(synchronize_session='fetch'))
+
+            for (key, value) in dev_attrs.items():
+                self._device_attribute_update_or_create(context, device_id,
+                                                        key, value)
+
     def _delete_device_pre(self, context, device_id):
         with context.session.begin(subtransactions=True):
             # TODO(yamahata): race. keep others from inserting new binding

tacker/tests/unit/services/vm/drivers/noop.py

@@ -22,6 +22,7 @@
 # TODO(yamahata): once unittests are impletemted, move this there
 import uuid
 
+from tacker.common import log
 from tacker.openstack.common import log as logging
 from tacker.vm.drivers import abstract_driver
 
@@ -46,28 +47,30 @@ class DeviceNoop(abstract_driver.DeviceAbstractDriver):
     def get_description(self):
         return 'Nuetron Device Noop driver'
 
+    @log.log
     def create(self, **kwargs):
-        LOG.debug(_('create %s'), kwargs)
         instance_id = str(uuid.uuid4())
         self._instances.add(instance_id)
         return instance_id
 
+    @log.log
     def create_wait(self, plugin, context, device_dict, device_id):
-        LOG.debug(_('create_wait %s'), device_id)
+        pass
 
-    def update(self, plugin, context, device_id, **kwargs):
-        LOG.debug(_('update device_id %(devcie_id)s kwargs %(kwargs)s'),
-                  {'device_id': device_id, 'kwargs': kwargs})
+    @log.log
+    def update(self, plugin, context, device_id, device_dict, device):
         if device_id not in self._instances:
             LOG.debug(_('not found'))
             raise ValueError('No instance %s' % device_id)
 
+    @log.log
     def update_wait(self, plugin, context, device_id):
-        LOG.debug(_('update_wait %s'), device_id)
+        pass
 
+    @log.log
     def delete(self, plugin, context, device_id):
-        LOG.debug(_('delete %s'), device_id)
         self._instances.remove(device_id)
 
+    @log.log
     def delete_wait(self, plugin, context, device_id):
-        LOG.debug(_('delete_wait %s'), device_id)
+        pass

tacker/vm/drivers/abstract_driver.py

@@ -58,7 +58,9 @@ class DeviceAbstractDriver(extensions.PluginInterface):
         """wait for device creation to complete."""
 
     @abc.abstractmethod
-    def update(self, plugin, context, device):
+    def update(self, plugin, context, device_id, device_dict, device):
+        # device_dict: old device_dict to be updated
+        # device: update with device dict
         pass
 
     @abc.abstractmethod

tacker/vm/drivers/heat/heat.py

@@ -266,10 +266,39 @@ class DeviceHeat(abstract_driver.DeviceAbstractDriver):
             # work around. mgmt suports Only single vm for now.
             device_dict['mgmt_url'] = mgmt_ips[0]
 
-    def update(self, plugin, context, device):
-        # do nothing but checking if the stack exists at the moment
+    @log.log
+    def update(self, plugin, context, device_id, device_dict, device):
+        # checking if the stack exists at the moment
         heatclient_ = HeatClient(context)
-        heatclient_.get(device['id'])
+        heatclient_.get(device_id)
+
+        # update config attribute
+        config_yaml = device_dict.get('attributes', {}).get('config', '')
+        update_yaml = device['device'].get('attributes', {}).get('config', '')
+        LOG.debug('yaml orig %(orig)s update %(update)s',
+                  {'orig': config_yaml, 'update': update_yaml})
+        config_dict = yaml.load(config_yaml) or {}
+        update_dict = yaml.load(update_yaml)
+        if not update_dict:
+            return
+
+        @log.log
+        def deep_update(orig_dict, new_dict):
+            for key, value in new_dict.items():
+                if isinstance(value, dict):
+                    if key in orig_dict and isinstance(orig_dict[key], dict):
+                        deep_update(orig_dict[key], value)
+                        continue
+
+                orig_dict[key] = value
+
+        LOG.debug('dict orig %(orig)s update %(update)s',
+                  {'orig': config_dict, 'update': update_dict})
+        deep_update(config_dict, update_dict)
+        LOG.debug('dict new %(new)s update %(update)s',
+                  {'new': config_dict, 'update': update_dict})
+        new_yaml = yaml.dump(config_dict)
+        device_dict.setdefault('attributes', {})['config'] = new_yaml
 
     def update_wait(self, plugin, context, device_id):
         # do nothing but checking if the stack exists at the moment

tacker/vm/drivers/nova/nova.py

@@ -240,9 +240,8 @@ class DeviceNova(abstract_driver.DeviceAbstractDriver):
         if status == 'ERROR':
             raise RuntimeError(_("creation of server %s faild") % device_id)
 
-    def update(self, plugin, context, device):
+    def update(self, plugin, context, device_id, device_dict, device):
         # do nothing but checking if the instance exists at the moment
-        device_id = device['id']
         nova = self._nova_client()
         nova.servers.get(device_id)
 

tacker/vm/plugin.py

@@ -339,7 +339,9 @@ class ServiceVMPlugin(vm_db.ServiceResourcePluginDb, ServiceVMMgmtMixin):
             new_status = constants.ERROR
         device_dict['status'] = new_status
         self.mgmt_update_post(context, device_dict)
-        self._update_device_post(context, device_dict['id'], new_status)
+
+        self._update_device_post(context, device_dict['id'],
+                                 new_status, device_dict)
 
     def update_device(self, context, device_id, device):
         device_dict = self._update_device_pre(context, device_id)
@@ -348,8 +350,9 @@ class ServiceVMPlugin(vm_db.ServiceResourcePluginDb, ServiceVMMgmtMixin):
 
         try:
             self.mgmt_update_pre(context, device_dict)
-            self._device_manager.invoke(driver_name, 'update', plugin=self,
-                                        context=context, device_id=instance_id)
+            self._device_manager.invoke(
+                driver_name, 'update', plugin=self, context=context,
+                device_id=instance_id, device_dict=device_dict, device=device)
         except Exception:
             with excutils.save_and_reraise_exception():
                 device_dict['status'] = constants.ERROR