Hi everybody,

At the moment I'm dealing with issue 475 
(https://code.google.com/p/ganeti/issues/detail?id=475), and have got 
number of questions.
1) Are cluster config files from test/data/htools valid for Rapi backend?
If so, do we really need default val for nets field or 'networks' field 
will always exist (even empty)? I think it's not so, because for example 
test/data/htools/rapi/groups.json hasn't this field.
2) Do we need to generate some fake networks at Simu backend or it's 
suitable to just leave it empty in createGroup function?

I will be happy to hear any your comments.
At the moment, my diff is:

diff --git a/src/Ganeti/HTools/Backend/Luxi.hs 
b/src/Ganeti/HTools/Backend/Luxi.hs
index 5a3cb1d..2ac71e6 100644
--- a/src/Ganeti/HTools/Backend/Luxi.hs
+++ b/src/Ganeti/HTools/Backend/Luxi.hs
@@ -149,7 +149,7 @@ queryClusterInfoMsg = L.QueryClusterInfo
 queryGroupsMsg :: L.LuxiOp
 queryGroupsMsg =
   L.Query (Qlang.ItemTypeOpCode Qlang.QRGroup)
-     ["uuid", "name", "alloc_policy", "ipolicy", "tags"]
+     ["uuid", "name", "alloc_policy", "ipolicy", "tags", "networks"]
      Qlang.EmptyFilter
 
 -- | Wraper over 'callMethod' doing node query.
@@ -276,15 +276,15 @@ getGroups jsv = extractArray jsv >>= mapM parseGroup
 
 -- | Parses a given group information.
 parseGroup :: [(JSValue, JSValue)] -> Result (String, Group.Group)
-parseGroup [uuid, name, apol, ipol, tags] = do
+parseGroup [uuid, name, apol, ipol, tags, nets] = do
   xname <- annotateResult "Parsing new group" (fromJValWithStatus name)
   let convert a = genericConvert "Group" xname a
   xuuid <- convert "uuid" uuid
   xapol <- convert "alloc_policy" apol
   xipol <- convert "ipolicy" ipol
   xtags <- convert "tags" tags
-  -- TODO: parse networks to which this group is connected
-  return (xuuid, Group.create xname xuuid xapol [] xipol xtags)
+  xnets <- convert "networks" nets
+  return (xuuid, Group.create xname xuuid xapol xnets xipol xtags)
 
 parseGroup v = fail ("Invalid group query result: " ++ show v)
 
diff --git a/src/Ganeti/HTools/Backend/Rapi.hs 
b/src/Ganeti/HTools/Backend/Rapi.hs
index df93d6a..ce1bb10 100644
--- a/src/Ganeti/HTools/Backend/Rapi.hs
+++ b/src/Ganeti/HTools/Backend/Rapi.hs
@@ -196,12 +196,13 @@ parseGroup :: JSRecord -> Result (String, Group.Group)
 parseGroup a = do
   name <- tryFromObj "Parsing new group" a "name"
   let extract s = tryFromObj ("Group '" ++ name ++ "'") a s
+  let extractDef s d = fromObjWithDefault a s d
   uuid <- extract "uuid"
   apol <- extract "alloc_policy"
   ipol <- extract "ipolicy"
   tags <- extract "tags"
-  -- TODO: parse networks to which this group is connected
-  return (uuid, Group.create name uuid apol [] ipol tags)
+  nets <- extractDef "networks" []
+  return (uuid, Group.create name uuid apol nets ipol tags)
 
 -- | Parse cluster data from the info resource.
 parseCluster :: JSObject JSValue -> Result ([String], IPolicy, String)


Regards,
Daniil Leshchev

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