#
#
-# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
import base64
import pycurl
import threading
+import copy
from ganeti import utils
from ganeti import objects
from ganeti import runtime
from ganeti import compat
from ganeti import rpc_defs
+from ganeti import pathutils
+from ganeti import vcluster
# Special module generated at build time
from ganeti import _generated_rpc
def _ConfigRpcCurl(curl):
- noded_cert = str(constants.NODED_CERT_FILE)
+ noded_cert = str(pathutils.NODED_CERT_FILE)
curl.setopt(pycurl.FOLLOWLOCATION, False)
curl.setopt(pycurl.CAINFO, noded_cert)
"""RPC Result class.
This class holds an RPC result. It is needed since in multi-node
- calls we can't raise an exception just because one one out of many
+ calls we can't raise an exception just because one out of many
failed, and therefore we use this class to encapsulate the result.
@ivar data: the data payload, for successful results, or None
args = (msg, )
raise ec(*args) # pylint: disable=W0142
+ def Warn(self, msg, feedback_fn):
+ """If the result has failed, call the feedback_fn.
+
+ This is used to in cases were LU wants to warn the
+ user about a failure, but continue anyway.
+
+ """
+ if not self.fail_msg:
+ return
+
+ msg = "%s: %s" % (msg, self.fail_msg)
+ feedback_fn(msg)
+
def _SsconfResolver(ssconf_ips, node_list, _,
ssc=ssconf.SimpleStore,
@param body: dictionary with request bodies per host
@type read_timeout: int or None
@param read_timeout: Read timeout for request
+ @rtype: dictionary
+ @return: a dictionary mapping host names to rpc.RpcResult objects
"""
assert read_timeout is not None, \
getents = getents_fn()
- return [filename, data, st.st_mode, getents.LookupUid(st.st_uid),
+ virt_filename = vcluster.MakeVirtualPath(filename)
+
+ return [virt_filename, data, st.st_mode, getents.LookupUid(st.st_uid),
getents.LookupGid(st.st_gid), st.st_atime, st.st_mtime]
return [(d.ToDict(), uid) for d, uid in value]
-def MakeLegacyNodeInfo(data):
+def BuildVgInfoQuery(cfg):
+ """Build a query about the default VG for C{node_info}.
+
+ The result of the RPC can be parsed with L{MakeLegacyNodeInfo}.
+
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Cluster configuration
+ @rtype: list
+ @return: argument suitable for L{rpc.RpcRunner.call_node_info}
+
+ """
+ vg_name = cfg.GetVGName()
+ if vg_name:
+ ret = [
+ (constants.ST_LVM_VG, vg_name),
+ (constants.ST_LVM_PV, vg_name),
+ ]
+ else:
+ ret = []
+ return ret
+
+
+def MakeLegacyNodeInfo(data, require_vg_info=True):
"""Formats the data returned by L{rpc.RpcRunner.call_node_info}.
Converts the data into a single dictionary. This is fine for most use cases,
but some require information from more than one volume group or hypervisor.
+ @param require_vg_info: raise an error if the returnd vg_info
+ doesn't have any values
+
"""
- (bootid, (vg_info, ), (hv_info, )) = data
+ (bootid, vgs_info, (hv_info, )) = data
+
+ ret = utils.JoinDisjointDicts(hv_info, {"bootid": bootid})
+
+ if require_vg_info or vgs_info:
+ (vg0_info, vg0_spindles) = vgs_info
+ ret = utils.JoinDisjointDicts(vg0_info, ret)
+ ret["spindles_free"] = vg0_spindles["vg_free"]
+ ret["spindles_total"] = vg0_spindles["vg_size"]
- return utils.JoinDisjointDicts(utils.JoinDisjointDicts(vg_info, hv_info), {
- "bootid": bootid,
- })
+ return ret
def _AnnotateDParamsDRBD(disk, (drbd_params, data_params, meta_params)):
return [annotation_fn(disk.Copy(), ld_params) for disk in disks]
+def _GetESFlag(cfg, nodename):
+ ni = cfg.GetNodeInfo(nodename)
+ if ni is None:
+ raise errors.OpPrereqError("Invalid node name %s" % nodename,
+ errors.ECODE_NOENT)
+ return cfg.GetNdParams(ni)[constants.ND_EXCLUSIVE_STORAGE]
+
+
+def GetExclusiveStorageForNodeNames(cfg, nodelist):
+ """Return the exclusive storage flag for all the given nodes.
+
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: cluster configuration
+ @type nodelist: list or tuple
+ @param nodelist: node names for which to read the flag
+ @rtype: dict
+ @return: mapping from node names to exclusive storage flags
+ @raise errors.OpPrereqError: if any given node name has no corresponding node
+
+ """
+ getflag = lambda n: _GetESFlag(cfg, n)
+ flags = map(getflag, nodelist)
+ return dict(zip(nodelist, flags))
+
+
#: Generic encoders
_ENCODERS = {
rpc_defs.ED_OBJECT_DICT: _ObjectToDict,
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_HVP_BEP_DP: self._InstDictHvpBepDp,
rpc_defs.ED_INST_DICT_OSP_DP: self._InstDictOspDp,
+ rpc_defs.ED_NIC_DICT: self._NicDict,
# Encoders annotating disk parameters
rpc_defs.ED_DISKS_DICT_DP: self._DisksDictDP,
_generated_rpc.RpcClientDnsOnly.__init__(self)
_generated_rpc.RpcClientDefault.__init__(self)
+ def _NicDict(self, nic):
+ """Convert the given nic to a dict and encapsulate netinfo
+
+ """
+ n = copy.deepcopy(nic)
+ if n.network:
+ net_uuid = self._cfg.LookupNetwork(n.network)
+ if net_uuid:
+ nobj = self._cfg.GetNetwork(net_uuid)
+ n.netinfo = objects.Network.ToDict(nobj)
+ return n.ToDict()
+
def _InstDict(self, instance, hvp=None, bep=None, osp=None):
"""Convert the given instance to a dict.
idict["osparams"] = cluster.SimpleFillOS(instance.os, instance.osparams)
if osp is not None:
idict["osparams"].update(osp)
+ idict["disks"] = self._DisksDictDP((instance.disks, instance))
for nic in idict["nics"]:
nic["nicparams"] = objects.FillDict(
cluster.nicparams[constants.PP_DEFAULT],
nic["nicparams"])
+ network = nic.get("network", None)
+ if network:
+ net_uuid = self._cfg.LookupNetwork(network)
+ if net_uuid:
+ nobj = self._cfg.GetNetwork(net_uuid)
+ nic["netinfo"] = objects.Network.ToDict(nobj)
return idict
- def _InstDictHvpBep(self, (instance, hvp, bep)):
+ def _InstDictHvpBepDp(self, (instance, hvp, bep)):
"""Wrapper for L{_InstDict}.
"""
"""Wrapper for L{_InstDict}.
"""
- updated_inst = self._InstDict(instance, osp=osparams)
- updated_inst["disks"] = self._DisksDictDP((instance.disks, instance))
- return updated_inst
+ return self._InstDict(instance, osp=osparams)
def _DisksDictDP(self, (disks, instance)):
"""Wrapper for L{AnnotateDiskParams}.