Merge branch 'stable-2.6' into devel-2.6
[ganeti-local] / lib / rpc.py
index 3b00750..b06c3c7 100644 (file)
@@ -239,11 +239,13 @@ class RpcResult(object):
     raise ec(*args) # pylint: disable=W0142
 
 
-def _SsconfResolver(node_list, _,
+def _SsconfResolver(ssconf_ips, node_list, _,
                     ssc=ssconf.SimpleStore,
                     nslookup_fn=netutils.Hostname.GetIP):
   """Return addresses for given node names.
 
+  @type ssconf_ips: bool
+  @param ssconf_ips: Use the ssconf IPs
   @type node_list: list
   @param node_list: List of node names
   @type ssc: class
@@ -255,9 +257,13 @@ def _SsconfResolver(node_list, _,
 
   """
   ss = ssc()
-  iplist = ss.GetNodePrimaryIPList()
   family = ss.GetPrimaryIPFamily()
-  ipmap = dict(entry.split() for entry in iplist)
+
+  if ssconf_ips:
+    iplist = ss.GetNodePrimaryIPList()
+    ipmap = dict(entry.split() for entry in iplist)
+  else:
+    ipmap = {}
 
   result = []
   for node in node_list:
@@ -362,7 +368,7 @@ class _RpcProcessor:
       else:
         requests[name] = \
           http.client.HttpClientRequest(str(ip), port,
-                                        http.HTTP_PUT, str("/%s" % procedure),
+                                        http.HTTP_POST, str("/%s" % procedure),
                                         headers=_RPC_CLIENT_HEADERS,
                                         post_data=body[name],
                                         read_timeout=read_timeout,
@@ -569,6 +575,56 @@ def _EncodeBlockdevRename(value):
   return [(d.ToDict(), uid) for d, uid in value]
 
 
+def _AnnotateDParamsDRBD(disk, (drbd_params, data_params, meta_params)):
+  """Annotates just DRBD disks layouts.
+
+  """
+  assert disk.dev_type == constants.LD_DRBD8
+
+  disk.params = objects.FillDict(drbd_params, disk.params)
+  (dev_data, dev_meta) = disk.children
+  dev_data.params = objects.FillDict(data_params, dev_data.params)
+  dev_meta.params = objects.FillDict(meta_params, dev_meta.params)
+
+  return disk
+
+
+def _AnnotateDParamsGeneric(disk, (params, )):
+  """Generic disk parameter annotation routine.
+
+  """
+  assert disk.dev_type != constants.LD_DRBD8
+
+  disk.params = objects.FillDict(params, disk.params)
+
+  return disk
+
+
+def AnnotateDiskParams(template, disks, disk_params):
+  """Annotates the disk objects with the disk parameters.
+
+  @param template: The disk template used
+  @param disks: The list of disks objects to annotate
+  @param disk_params: The disk paramaters for annotation
+  @returns: A list of disk objects annotated
+
+  """
+  ld_params = objects.Disk.ComputeLDParams(template, disk_params)
+
+  if template == constants.DT_DRBD8:
+    annotation_fn = _AnnotateDParamsDRBD
+  elif template == constants.DT_DISKLESS:
+    annotation_fn = lambda disk, _: disk
+  else:
+    annotation_fn = _AnnotateDParamsGeneric
+
+  new_disks = []
+  for disk in disks:
+    new_disks.append(annotation_fn(disk.Copy(), ld_params))
+
+  return new_disks
+
+
 #: Generic encoders
 _ENCODERS = {
   rpc_defs.ED_OBJECT_DICT: _ObjectToDict,
@@ -584,6 +640,7 @@ _ENCODERS = {
 class RpcRunner(_RpcClientBase,
                 _generated_rpc.RpcClientDefault,
                 _generated_rpc.RpcClientBootstrap,
+                _generated_rpc.RpcClientDnsOnly,
                 _generated_rpc.RpcClientConfig):
   """RPC runner class.
 
@@ -604,8 +661,12 @@ class RpcRunner(_RpcClientBase,
     encoders.update({
       # Encoders requiring configuration object
       rpc_defs.ED_INST_DICT: self._InstDict,
-      rpc_defs.ED_INST_DICT_HVP_BEP: self._InstDictHvpBep,
-      rpc_defs.ED_INST_DICT_OSP: self._InstDictOsp,
+      rpc_defs.ED_INST_DICT_HVP_BEP_DP: self._InstDictHvpBepDp,
+      rpc_defs.ED_INST_DICT_OSP_DP: self._InstDictOspDp,
+
+      # Encoders annotating disk parameters
+      rpc_defs.ED_DISKS_DICT_DP: self._DisksDictDP,
+      rpc_defs.ED_SINGLE_DISK_DICT_DP: self._SingleDiskDictDP,
 
       # Encoders with special requirements
       rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents),
@@ -624,6 +685,7 @@ class RpcRunner(_RpcClientBase,
                             _req_process_fn=_req_process_fn)
     _generated_rpc.RpcClientConfig.__init__(self)
     _generated_rpc.RpcClientBootstrap.__init__(self)
+    _generated_rpc.RpcClientDnsOnly.__init__(self)
     _generated_rpc.RpcClientDefault.__init__(self)
 
   def _InstDict(self, instance, hvp=None, bep=None, osp=None):
@@ -657,23 +719,40 @@ class RpcRunner(_RpcClientBase,
     if osp is not None:
       idict["osparams"].update(osp)
     for nic in idict["nics"]:
-      nic['nicparams'] = objects.FillDict(
+      nic["nicparams"] = objects.FillDict(
         cluster.nicparams[constants.PP_DEFAULT],
-        nic['nicparams'])
+        nic["nicparams"])
+    idict["disks"] = self._DisksDictDP((instance.disks, instance))
     return idict
 
-  def _InstDictHvpBep(self, (instance, hvp, bep)):
+  def _InstDictHvpBepDp(self, (instance, hvp, bep)):
     """Wrapper for L{_InstDict}.
 
     """
     return self._InstDict(instance, hvp=hvp, bep=bep)
 
-  def _InstDictOsp(self, (instance, osparams)):
+  def _InstDictOspDp(self, (instance, osparams)):
     """Wrapper for L{_InstDict}.
 
     """
     return self._InstDict(instance, osp=osparams)
 
+  def _DisksDictDP(self, (disks, instance)):
+    """Wrapper for L{AnnotateDiskParams}.
+
+    """
+    diskparams = self._cfg.GetInstanceDiskParams(instance)
+    return [disk.ToDict()
+            for disk in AnnotateDiskParams(instance.disk_template,
+                                           disks, diskparams)]
+
+  def _SingleDiskDictDP(self, (disk, instance)):
+    """Wrapper for L{AnnotateDiskParams}.
+
+    """
+    (anno_disk,) = self._DisksDictDP(([disk], instance))
+    return anno_disk
+
 
 class JobQueueRunner(_RpcClientBase, _generated_rpc.RpcClientJobQueue):
   """RPC wrappers for job queue.
@@ -684,7 +763,7 @@ class JobQueueRunner(_RpcClientBase, _generated_rpc.RpcClientJobQueue):
 
     """
     if address_list is None:
-      resolver = _SsconfResolver
+      resolver = compat.partial(_SsconfResolver, True)
     else:
       # Caller provided an address list
       resolver = _StaticResolver(address_list)
@@ -694,7 +773,9 @@ class JobQueueRunner(_RpcClientBase, _generated_rpc.RpcClientJobQueue):
     _generated_rpc.RpcClientJobQueue.__init__(self)
 
 
-class BootstrapRunner(_RpcClientBase, _generated_rpc.RpcClientBootstrap):
+class BootstrapRunner(_RpcClientBase,
+                      _generated_rpc.RpcClientBootstrap,
+                      _generated_rpc.RpcClientDnsOnly):
   """RPC wrappers for bootstrapping.
 
   """
@@ -702,15 +783,35 @@ class BootstrapRunner(_RpcClientBase, _generated_rpc.RpcClientBootstrap):
     """Initializes this class.
 
     """
-    _RpcClientBase.__init__(self, _SsconfResolver, _ENCODERS.get)
+    # Pylint doesn't recognize multiple inheritance properly, see
+    # <http://www.logilab.org/ticket/36586> and
+    # <http://www.logilab.org/ticket/35642>
+    # pylint: disable=W0233
+    _RpcClientBase.__init__(self, compat.partial(_SsconfResolver, True),
+                            _ENCODERS.get)
     _generated_rpc.RpcClientBootstrap.__init__(self)
+    _generated_rpc.RpcClientDnsOnly.__init__(self)
+
+
+class DnsOnlyRunner(_RpcClientBase, _generated_rpc.RpcClientDnsOnly):
+  """RPC wrappers for calls using only DNS.
+
+  """
+  def __init__(self):
+    """Initialize this class.
+
+    """
+    _RpcClientBase.__init__(self, compat.partial(_SsconfResolver, False),
+                            _ENCODERS.get)
+    _generated_rpc.RpcClientDnsOnly.__init__(self)
 
 
 class ConfigRunner(_RpcClientBase, _generated_rpc.RpcClientConfig):
   """RPC wrappers for L{config}.
 
   """
-  def __init__(self, context, address_list):
+  def __init__(self, context, address_list, _req_process_fn=None,
+               _getents=None):
     """Initializes this class.
 
     """
@@ -720,11 +821,18 @@ class ConfigRunner(_RpcClientBase, _generated_rpc.RpcClientConfig):
       lock_monitor_cb = None
 
     if address_list is None:
-      resolver = _SsconfResolver
+      resolver = compat.partial(_SsconfResolver, True)
     else:
       # Caller provided an address list
       resolver = _StaticResolver(address_list)
 
-    _RpcClientBase.__init__(self, resolver, _ENCODERS.get,
-                            lock_monitor_cb=lock_monitor_cb)
+    encoders = _ENCODERS.copy()
+
+    encoders.update({
+      rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents),
+      })
+
+    _RpcClientBase.__init__(self, resolver, encoders.get,
+                            lock_monitor_cb=lock_monitor_cb,
+                            _req_process_fn=_req_process_fn)
     _generated_rpc.RpcClientConfig.__init__(self)