Add network.destroy() to XenAPI

signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>

tools/python/xen/xend/XendBase.py

@@ -90,6 +90,9 @@ class XendBase:
         # Finally register it
         XendAPIStore.register(uuid, self.getClass(), self)
 
+    def destroy(self):
+        XendAPIStore.deregister(self.get_uuid(), self.getClass())
+
     def get_uuid(self):
         return self.__uuid
 

tools/python/xen/xend/XendError.py

@@ -162,6 +162,18 @@ class VLANTagInvalid(XendAPIError):
 
     def __str__(self):
         return 'VLAN_TAG_INVALID: %s' % self.vlan
+
+class NetworkError(XendAPIError):
+    def __init__(self, error, network):
+        XendAPIError.__init__(self)
+        self.network = network
+        self.error = error
+
+    def get_api_error(self):
+        return ['NETWORK_ERROR', self.error, self.network]
+
+    def __str__(self):
+        return 'NETWORK_ERROR: %s %s' % (self.error, self.network)
     
 XEND_ERROR_AUTHENTICATION_FAILED = ('ELUSER', 'Authentication Failed')
 XEND_ERROR_SESSION_INVALID       = ('EPERMDENIED', 'Session Invalid')

tools/python/xen/xend/XendNetwork.py

@@ -60,7 +60,8 @@ class XendNetwork(XendBase):
 
     def getMethods(self):
         methods = ['add_to_other_config',
-                   'remove_from_other_config']
+                   'remove_from_other_config',
+                   'destroy']
         return XendBase.getMethods() + methods
 
     def getFuncs(self):
@@ -128,6 +129,8 @@ class XendNetwork(XendBase):
         # Create the bridge
         Brctl.bridge_create(network.name_label)
 
+        XendNode.instance().save_networks()
+
         return uuid
 
     create_phy  = classmethod(create_phy)
@@ -141,6 +144,20 @@ class XendNetwork(XendBase):
     # XenAPI Mehtods
     #
 
+    def destroy(self):
+        # check no VIFs or PIFs attached
+        if len(self.get_VIFs()) > 0:
+            raise NetworkError("Cannot destroy network with VIFs attached",
+                               self.get_name_label())
+
+        if len(self.get_PIFs()) > 0:
+            raise NetworkError("Cannot destroy network with PIFs attached",
+                               self.get_name_label())        
+        
+        XendBase.destroy(self)
+        Brctl.bridge_del(self.get_name_label())
+        XendNode.instance().save_networks()
+
     def get_name_label(self):
         return self.name_label
 

tools/python/xen/xm/messages/en/xen-xm.po

@@ -87,4 +87,7 @@ msgid "IMPLEMENTATION_ERROR"
 msgstr "Class %s does not implement %s"
 
 msgid "VLAN_TAG_INVALID"
-msgstr "VLAN tag invalid %s"
+msgstr "VLAN tag invalid %s"
+
+msgid "NETWORK_ERROR"
+msgstr "Network Error: %s - %s"