host: Print iscsi volume key as well in volume list

Suggested here: http://www.redhat.com/archives/virt-tools-list/2013-December/msg00014.html

virtManager/host.py

@@ -1316,7 +1316,7 @@ def populate_storage_volumes(list_widget, pool, sensitive_cb):
 
         try:
             path = vol.get_target_path()
-            name = vol.get_name()
+            name = vol.get_pretty_name(pool.get_type())
             cap = vol.get_pretty_capacity()
             fmt = vol.get_format() or ""
         except:

virtManager/storagepool.py

@@ -62,6 +62,8 @@ class vmmStorageVolume(vmmLibvirtObject):
     # XML accessors #
     #################
 
+    def get_key(self):
+        return self.get_xmlobj().key or ""
     def get_target_path(self):
         return self.get_xmlobj().target_path or ""
     def get_format(self):
@@ -76,6 +78,16 @@ class vmmStorageVolume(vmmLibvirtObject):
     def get_pretty_allocation(self):
         return util.pretty_bytes(self.get_allocation())
 
+    def get_pretty_name(self, pooltype):
+        name = self.get_name()
+        if pooltype != "iscsi":
+            return name
+
+        key = self.get_key()
+        if not key:
+            return name
+        return "%s (%s)" % (name, key)
+
 
 class vmmStoragePool(vmmLibvirtObject):
     __gsignals__ = {