#
#
-# 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
# if they need to start using instance attributes
# R0904: Too many public methods
-import os
import logging
import zlib
import base64
import pycurl
import threading
+import copy
from ganeti import utils
from ganeti import objects
from ganeti import ssconf
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
import ganeti.http.client # pylint: disable=W0611
-# Timeout for connecting to nodes (seconds)
-_RPC_CONNECT_TIMEOUT = 5
-
_RPC_CLIENT_HEADERS = [
"Content-type: %s" % http.HTTP_APP_JSON,
"Expect:",
]
-# Various time constants for the timeout table
-_TMO_URGENT = 60 # one minute
-_TMO_FAST = 5 * 60 # five minutes
-_TMO_NORMAL = 15 * 60 # 15 minutes
-_TMO_SLOW = 3600 # one hour
-_TMO_4HRS = 4 * 3600
-_TMO_1DAY = 86400
-
-# Timeout table that will be built later by decorators
-# Guidelines for choosing timeouts:
-# - call used during watcher: timeout -> 1min, _TMO_URGENT
-# - trivial (but be sure it is trivial) (e.g. reading a file): 5min, _TMO_FAST
-# - other calls: 15 min, _TMO_NORMAL
-# - special calls (instance add, etc.): either _TMO_SLOW (1h) or huge timeouts
-
-_TIMEOUTS = {
-}
-
#: Special value to describe an offline host
_OFFLINE = object()
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)
curl.setopt(pycurl.SSLCERT, noded_cert)
curl.setopt(pycurl.SSLKEYTYPE, "PEM")
curl.setopt(pycurl.SSLKEY, noded_cert)
- curl.setopt(pycurl.CONNECTTIMEOUT, _RPC_CONNECT_TIMEOUT)
-
-
-def _RpcTimeout(secs):
- """Timeout decorator.
-
- When applied to a rpc call_* function, it updates the global timeout
- table with the given function/timeout.
-
- """
- def decorator(f):
- name = f.__name__
- assert name.startswith("call_")
- _TIMEOUTS[name[len("call_"):]] = secs
- return f
- return decorator
+ curl.setopt(pycurl.CONNECTTIMEOUT, constants.RPC_CONNECT_TIMEOUT)
def RunWithRPC(fn):
"""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
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
"""
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:
"""
self._addresses = addresses
- def __call__(self, hosts):
+ def __call__(self, hosts, _):
"""Returns static addresses for hosts.
"""
return zip(hosts, self._addresses)
-def _CheckConfigNode(name, node):
+def _CheckConfigNode(name, node, accept_offline_node):
"""Checks if a node is online.
@type name: string
if node is None:
# Depend on DNS for name resolution
ip = name
- elif node.offline:
+ elif node.offline and not accept_offline_node:
ip = _OFFLINE
else:
ip = node.primary_ip
return (name, ip)
-def _NodeConfigResolver(single_node_fn, all_nodes_fn, hosts):
+def _NodeConfigResolver(single_node_fn, all_nodes_fn, hosts, opts):
"""Calculate node addresses using configuration.
"""
+ accept_offline_node = (opts is rpc_defs.ACCEPT_OFFLINE_NODE)
+
+ assert accept_offline_node or opts is None, "Unknown option"
+
# Special case for single-host lookups
if len(hosts) == 1:
(name, ) = hosts
- return [_CheckConfigNode(name, single_node_fn(name))]
+ return [_CheckConfigNode(name, single_node_fn(name), accept_offline_node)]
else:
all_nodes = all_nodes_fn()
- return [_CheckConfigNode(name, all_nodes.get(name, None))
+ return [_CheckConfigNode(name, all_nodes.get(name, None),
+ accept_offline_node)
for name in hosts]
def _PrepareRequests(hosts, port, procedure, body, read_timeout):
"""Prepares requests by sorting offline hosts into separate list.
+ @type body: dict
+ @param body: a dictionary with per-host body data
+
"""
results = {}
requests = {}
+ assert isinstance(body, dict)
+ assert len(body) == len(hosts)
+ assert compat.all(isinstance(v, str) for v in body.values())
+ assert frozenset(map(compat.fst, hosts)) == frozenset(body.keys()), \
+ "%s != %s" % (hosts, body.keys())
+
for (name, ip) in hosts:
if ip is _OFFLINE:
# Node is marked as offline
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,
+ post_data=body[name],
read_timeout=read_timeout,
nicename="%s/%s" % (name, procedure),
curl_config_fn=_ConfigRpcCurl)
return results
- def __call__(self, hosts, procedure, body, read_timeout=None,
- _req_process_fn=http.client.ProcessRequests):
+ def __call__(self, hosts, procedure, body, read_timeout, resolver_opts,
+ _req_process_fn=None):
"""Makes an RPC request to a number of nodes.
@type hosts: sequence
@param hosts: Hostnames
@type procedure: string
@param procedure: Request path
- @type body: string
- @param body: Request body
+ @type body: dictionary
+ @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
"""
- if read_timeout is None:
- read_timeout = _TIMEOUTS.get(procedure, None)
-
assert read_timeout is not None, \
"Missing RPC read timeout for procedure '%s'" % procedure
+ if _req_process_fn is None:
+ _req_process_fn = http.client.ProcessRequests
+
(results, requests) = \
- self._PrepareRequests(self._resolver(hosts), self._port, procedure,
- str(body), read_timeout)
+ self._PrepareRequests(self._resolver(hosts, resolver_opts), self._port,
+ procedure, body, read_timeout)
_req_process_fn(requests.values(), lock_monitor_cb=self._lock_monitor_cb)
return self._CombineResults(results, requests, procedure)
-class RpcRunner(_generated_rpc.RpcClientDefault,
- _generated_rpc.RpcClientBootstrap):
- """RPC runner class.
+class _RpcClientBase:
+ def __init__(self, resolver, encoder_fn, lock_monitor_cb=None,
+ _req_process_fn=None):
+ """Initializes this class.
- """
- def __init__(self, context):
- """Initialized the RPC runner.
+ """
+ proc = _RpcProcessor(resolver,
+ netutils.GetDaemonPort(constants.NODED),
+ lock_monitor_cb=lock_monitor_cb)
+ self._proc = compat.partial(proc, _req_process_fn=_req_process_fn)
+ self._encoder = compat.partial(self._EncodeArg, encoder_fn)
- @type context: C{masterd.GanetiContext}
- @param context: Ganeti context
+ @staticmethod
+ def _EncodeArg(encoder_fn, (argkind, value)):
+ """Encode argument.
"""
- # Pylint doesn't recognize multiple inheritance properly, see
- # <http://www.logilab.org/ticket/36586> and
- # <http://www.logilab.org/ticket/35642>
- # pylint: disable=W0233
- _generated_rpc.RpcClientBootstrap.__init__(self)
- _generated_rpc.RpcClientDefault.__init__(self)
+ if argkind is None:
+ return value
+ else:
+ return encoder_fn(argkind)(value)
- self._cfg = context.cfg
- self._proc = _RpcProcessor(compat.partial(_NodeConfigResolver,
- self._cfg.GetNodeInfo,
- self._cfg.GetAllNodesInfo),
- netutils.GetDaemonPort(constants.NODED),
- lock_monitor_cb=context.glm.AddToLockMonitor)
+ def _Call(self, cdef, node_list, args):
+ """Entry point for automatically generated RPC wrappers.
- def _InstDict(self, instance, hvp=None, bep=None, osp=None):
- """Convert the given instance to a dict.
+ """
+ (procedure, _, resolver_opts, timeout, argdefs,
+ prep_fn, postproc_fn, _) = cdef
- This is done via the instance's ToDict() method and additionally
- we fill the hvparams with the cluster defaults.
+ if callable(timeout):
+ read_timeout = timeout(args)
+ else:
+ read_timeout = timeout
- @type instance: L{objects.Instance}
- @param instance: an Instance object
- @type hvp: dict or None
- @param hvp: a dictionary with overridden hypervisor parameters
- @type bep: dict or None
- @param bep: a dictionary with overridden backend parameters
- @type osp: dict or None
- @param osp: a dictionary with overridden os parameters
- @rtype: dict
- @return: the instance dict, with the hvparams filled with the
- cluster defaults
+ if callable(resolver_opts):
+ req_resolver_opts = resolver_opts(args)
+ else:
+ req_resolver_opts = resolver_opts
- """
- idict = instance.ToDict()
- cluster = self._cfg.GetClusterInfo()
- idict["hvparams"] = cluster.FillHV(instance)
- if hvp is not None:
- idict["hvparams"].update(hvp)
- idict["beparams"] = cluster.FillBE(instance)
- if bep is not None:
- idict["beparams"].update(bep)
- idict["osparams"] = cluster.SimpleFillOS(instance.os, instance.osparams)
- if osp is not None:
- idict["osparams"].update(osp)
- for nic in idict["nics"]:
- nic['nicparams'] = objects.FillDict(
- cluster.nicparams[constants.PP_DEFAULT],
- nic['nicparams'])
- return idict
+ if len(args) != len(argdefs):
+ raise errors.ProgrammerError("Number of passed arguments doesn't match")
- def _MultiNodeCall(self, node_list, procedure, args, read_timeout=None):
- """Helper for making a multi-node call
+ enc_args = map(self._encoder, zip(map(compat.snd, argdefs), args))
+ if prep_fn is None:
+ # for a no-op prep_fn, we serialise the body once, and then we
+ # reuse it in the dictionary values
+ body = serializer.DumpJson(enc_args)
+ pnbody = dict((n, body) for n in node_list)
+ else:
+ # for a custom prep_fn, we pass the encoded arguments and the
+ # node name to the prep_fn, and we serialise its return value
+ assert callable(prep_fn)
+ pnbody = dict((n, serializer.DumpJson(prep_fn(n, enc_args)))
+ for n in node_list)
+
+ result = self._proc(node_list, procedure, pnbody, read_timeout,
+ req_resolver_opts)
+
+ if postproc_fn:
+ return dict(map(lambda (key, value): (key, postproc_fn(value)),
+ result.items()))
+ else:
+ return result
- """
- body = serializer.DumpJson(args, indent=False)
- return self._proc(node_list, procedure, body, read_timeout=read_timeout)
- def _Call(self, node_list, procedure, timeout, args):
- """Entry point for automatically generated RPC wrappers.
+def _ObjectToDict(value):
+ """Converts an object to a dictionary.
- """
- return self._MultiNodeCall(node_list, procedure, args, read_timeout=timeout)
+ @note: See L{objects}.
- @staticmethod
- def _StaticMultiNodeCall(node_list, procedure, args,
- address_list=None, read_timeout=None):
- """Helper for making a multi-node static call
+ """
+ return value.ToDict()
- """
- body = serializer.DumpJson(args, indent=False)
- if address_list is None:
- resolver = _SsconfResolver
+def _ObjectListToDict(value):
+ """Converts a list of L{objects} to dictionaries.
+
+ """
+ return map(_ObjectToDict, value)
+
+
+def _EncodeNodeToDiskDict(value):
+ """Encodes a dictionary with node name as key and disk objects as values.
+
+ """
+ return dict((name, _ObjectListToDict(disks))
+ for name, disks in value.items())
+
+
+def _PrepareFileUpload(getents_fn, filename):
+ """Loads a file and prepares it for an upload to nodes.
+
+ """
+ statcb = utils.FileStatHelper()
+ data = _Compress(utils.ReadFile(filename, preread=statcb))
+ st = statcb.st
+
+ if getents_fn is None:
+ getents_fn = runtime.GetEnts
+
+ getents = getents_fn()
+
+ 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]
+
+
+def _PrepareFinalizeExportDisks(snap_disks):
+ """Encodes disks for finalizing export.
+
+ """
+ flat_disks = []
+
+ for disk in snap_disks:
+ if isinstance(disk, bool):
+ flat_disks.append(disk)
else:
- # Caller provided an address list
- resolver = _StaticResolver(address_list)
+ flat_disks.append(disk.ToDict())
- proc = _RpcProcessor(resolver,
- netutils.GetDaemonPort(constants.NODED))
- return proc(node_list, procedure, body, read_timeout=read_timeout)
+ return flat_disks
- def _SingleNodeCall(self, node, procedure, args, read_timeout=None):
- """Helper for making a single-node call
- """
- body = serializer.DumpJson(args, indent=False)
- return self._proc([node], procedure, body, read_timeout=read_timeout)[node]
+def _EncodeImportExportIO((ieio, ieioargs)):
+ """Encodes import/export I/O information.
- @classmethod
- def _StaticSingleNodeCall(cls, node, procedure, args, read_timeout=None):
- """Helper for making a single-node static call
+ """
+ if ieio == constants.IEIO_RAW_DISK:
+ assert len(ieioargs) == 1
+ return (ieio, (ieioargs[0].ToDict(), ))
- """
- body = serializer.DumpJson(args, indent=False)
- proc = _RpcProcessor(_SsconfResolver,
- netutils.GetDaemonPort(constants.NODED))
- return proc([node], procedure, body, read_timeout=read_timeout)[node]
+ if ieio == constants.IEIO_SCRIPT:
+ assert len(ieioargs) == 2
+ return (ieio, (ieioargs[0].ToDict(), ieioargs[1]))
- @staticmethod
- def _BlockdevFindPostProc(result):
- if not result.fail_msg and result.payload is not None:
- result.payload = objects.BlockDevStatus.FromDict(result.payload)
- return result
+ return (ieio, ieioargs)
- @staticmethod
- def _BlockdevGetMirrorStatusPostProc(result):
- if not result.fail_msg:
- result.payload = [objects.BlockDevStatus.FromDict(i)
- for i in result.payload]
- return result
- @staticmethod
- def _BlockdevGetMirrorStatusMultiPostProc(result):
- for nres in result.values():
- if nres.fail_msg:
- continue
+def _EncodeBlockdevRename(value):
+ """Encodes information for renaming block devices.
- for idx, (success, status) in enumerate(nres.payload):
- if success:
- nres.payload[idx] = (success, objects.BlockDevStatus.FromDict(status))
+ """
+ return [(d.ToDict(), uid) for d, uid in value]
- return result
- @staticmethod
- def _OsGetPostProc(result):
- if not result.fail_msg and isinstance(result.payload, dict):
- result.payload = objects.OS.FromDict(result.payload)
- return result
+def MakeLegacyNodeInfo(data, require_vg_info=True):
+ """Formats the data returned by L{rpc.RpcRunner.call_node_info}.
- @staticmethod
- def _PrepareFinalizeExportDisks(snap_disks):
- flat_disks = []
+ 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.
- for disk in snap_disks:
- if isinstance(disk, bool):
- flat_disks.append(disk)
- else:
- flat_disks.append(disk.ToDict())
+ @param require_vg_info: raise an error if the returnd vg_info
+ doesn't have any values
- return flat_disks
+ """
+ (bootid, vgs_info, (hv_info, )) = data
- @staticmethod
- def _ImpExpStatusPostProc(result):
- """Post-processor for import/export status.
+ ret = utils.JoinDisjointDicts(hv_info, {"bootid": bootid})
- @rtype: Payload containing list of L{objects.ImportExportStatus} instances
- @return: Returns a list of the state of each named import/export or None if
- a status couldn't be retrieved
+ if require_vg_info or vgs_info:
+ (vg0_info, ) = vgs_info
+ ret = utils.JoinDisjointDicts(vg0_info, ret)
- """
- if not result.fail_msg:
- decoded = []
+ return ret
- for i in result.payload:
- if i is None:
- decoded.append(None)
- continue
- decoded.append(objects.ImportExportStatus.FromDict(i))
- result.payload = decoded
+def _AnnotateDParamsDRBD(disk, (drbd_params, data_params, meta_params)):
+ """Annotates just DRBD disks layouts.
- return result
+ """
+ assert disk.dev_type == constants.LD_DRBD8
- @staticmethod
- def _EncodeImportExportIO(ieio, ieioargs):
- """Encodes import/export I/O information.
+ 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)
- """
- if ieio == constants.IEIO_RAW_DISK:
- assert len(ieioargs) == 1
- return (ieioargs[0].ToDict(), )
+ return disk
- if ieio == constants.IEIO_SCRIPT:
- assert len(ieioargs) == 2
- return (ieioargs[0].ToDict(), ieioargs[1])
- return ieioargs
+def _AnnotateDParamsGeneric(disk, (params, )):
+ """Generic disk parameter annotation routine.
- #
- # Begin RPC calls
- #
+ """
+ assert disk.dev_type != constants.LD_DRBD8
- @_RpcTimeout(_TMO_NORMAL)
- def call_instance_start(self, node, instance, hvp, bep, startup_paused):
- """Starts an instance.
+ disk.params = objects.FillDict(params, disk.params)
- This is a single-node call.
+ 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
+
+ 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]
- """
- idict = self._InstDict(instance, hvp=hvp, bep=bep)
- return self._SingleNodeCall(node, "instance_start", [idict, startup_paused])
- @_RpcTimeout(_TMO_1DAY)
- def call_instance_os_add(self, node, inst, reinstall, debug, osparams=None):
- """Installs an OS on the given instance.
+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,
+ rpc_defs.ED_OBJECT_DICT_LIST: _ObjectListToDict,
+ rpc_defs.ED_NODE_TO_DISK_DICT: _EncodeNodeToDiskDict,
+ rpc_defs.ED_COMPRESS: _Compress,
+ rpc_defs.ED_FINALIZE_EXPORT_DISKS: _PrepareFinalizeExportDisks,
+ rpc_defs.ED_IMPEXP_IO: _EncodeImportExportIO,
+ rpc_defs.ED_BLOCKDEV_RENAME: _EncodeBlockdevRename,
+ }
+
+
+class RpcRunner(_RpcClientBase,
+ _generated_rpc.RpcClientDefault,
+ _generated_rpc.RpcClientBootstrap,
+ _generated_rpc.RpcClientDnsOnly,
+ _generated_rpc.RpcClientConfig):
+ """RPC runner class.
+
+ """
+ def __init__(self, cfg, lock_monitor_cb, _req_process_fn=None, _getents=None):
+ """Initialized the RPC runner.
- This is a single-node call.
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Configuration
+ @type lock_monitor_cb: callable
+ @param lock_monitor_cb: Lock monitor callback
"""
- return self._SingleNodeCall(node, "instance_os_add",
- [self._InstDict(inst, osp=osparams),
- reinstall, debug])
+ self._cfg = cfg
+
+ encoders = _ENCODERS.copy()
- @classmethod
- @_RpcTimeout(_TMO_NORMAL)
- def call_upload_file(cls, node_list, file_name, address_list=None):
- """Upload a file.
+ encoders.update({
+ # Encoders requiring configuration object
+ rpc_defs.ED_INST_DICT: self._InstDict,
+ 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,
- The node will refuse the operation in case the file is not on the
- approved file list.
+ # Encoders annotating disk parameters
+ rpc_defs.ED_DISKS_DICT_DP: self._DisksDictDP,
+ rpc_defs.ED_SINGLE_DISK_DICT_DP: self._SingleDiskDictDP,
- This is a multi-node call.
+ # Encoders with special requirements
+ rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents),
+ })
- @type node_list: list
- @param node_list: the list of node names to upload to
- @type file_name: str
- @param file_name: the filename to upload
- @type address_list: list or None
- @keyword address_list: an optional list of node addresses, in order
- to optimize the RPC speed
+ # Resolver using configuration
+ resolver = compat.partial(_NodeConfigResolver, cfg.GetNodeInfo,
+ cfg.GetAllNodesInfo)
+
+ # 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, resolver, encoders.get,
+ lock_monitor_cb=lock_monitor_cb,
+ _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 _NicDict(self, nic):
+ """Convert the given nic to a dict and encapsulate netinfo
"""
- file_contents = utils.ReadFile(file_name)
- data = _Compress(file_contents)
- st = os.stat(file_name)
- getents = runtime.GetEnts()
- params = [file_name, data, st.st_mode, getents.LookupUid(st.st_uid),
- getents.LookupGid(st.st_gid), st.st_atime, st.st_mtime]
- return cls._StaticMultiNodeCall(node_list, "upload_file", params,
- address_list=address_list)
-
- @classmethod
- @_RpcTimeout(_TMO_NORMAL)
- def call_write_ssconf_files(cls, node_list, values):
- """Write ssconf files.
-
- This is a multi-node call.
+ 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.
+
+ This is done via the instance's ToDict() method and additionally
+ we fill the hvparams with the cluster defaults.
+
+ @type instance: L{objects.Instance}
+ @param instance: an Instance object
+ @type hvp: dict or None
+ @param hvp: a dictionary with overridden hypervisor parameters
+ @type bep: dict or None
+ @param bep: a dictionary with overridden backend parameters
+ @type osp: dict or None
+ @param osp: a dictionary with overridden os parameters
+ @rtype: dict
+ @return: the instance dict, with the hvparams filled with the
+ cluster defaults
"""
- return cls._StaticMultiNodeCall(node_list, "write_ssconf_files", [values])
+ idict = instance.ToDict()
+ cluster = self._cfg.GetClusterInfo()
+ idict["hvparams"] = cluster.FillHV(instance)
+ if hvp is not None:
+ idict["hvparams"].update(hvp)
+ idict["beparams"] = cluster.FillBE(instance)
+ if bep is not None:
+ idict["beparams"].update(bep)
+ 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 call_test_delay(self, node_list, duration, read_timeout=None):
- """Sleep for a fixed time on given node(s).
+ def _InstDictHvpBepDp(self, (instance, hvp, bep)):
+ """Wrapper for L{_InstDict}.
- This is a multi-node call.
+ """
+ return self._InstDict(instance, hvp=hvp, bep=bep)
+
+ def _InstDictOspDp(self, (instance, osparams)):
+ """Wrapper for L{_InstDict}.
"""
- assert read_timeout is None
- return self.call_test_delay(node_list, duration,
- read_timeout=int(duration + 5))
+ return self._InstDict(instance, osp=osparams)
- @_RpcTimeout(_TMO_NORMAL)
- def call_hypervisor_validate_params(self, node_list, hvname, hvparams):
- """Validate the hypervisor params.
+ def _DisksDictDP(self, (disks, instance)):
+ """Wrapper for L{AnnotateDiskParams}.
- This is a multi-node call.
+ """
+ diskparams = self._cfg.GetInstanceDiskParams(instance)
+ return [disk.ToDict()
+ for disk in AnnotateDiskParams(instance.disk_template,
+ disks, diskparams)]
- @type node_list: list
- @param node_list: the list of nodes to query
- @type hvname: string
- @param hvname: the hypervisor name
- @type hvparams: dict
- @param hvparams: the hypervisor parameters to be validated
+ def _SingleDiskDictDP(self, (disk, instance)):
+ """Wrapper for L{AnnotateDiskParams}.
"""
- cluster = self._cfg.GetClusterInfo()
- hv_full = objects.FillDict(cluster.hvparams.get(hvname, {}), hvparams)
- return self._MultiNodeCall(node_list, "hypervisor_validate_params",
- [hvname, hv_full])
+ (anno_disk,) = self._DisksDictDP(([disk], instance))
+ return anno_disk
-class JobQueueRunner(_generated_rpc.RpcClientJobQueue):
+class JobQueueRunner(_RpcClientBase, _generated_rpc.RpcClientJobQueue):
"""RPC wrappers for job queue.
"""
- _Compress = staticmethod(_Compress)
-
def __init__(self, context, address_list):
"""Initializes this class.
"""
- _generated_rpc.RpcClientJobQueue.__init__(self)
-
if address_list is None:
- resolver = _SsconfResolver
+ resolver = compat.partial(_SsconfResolver, True)
else:
# Caller provided an address list
resolver = _StaticResolver(address_list)
- self._proc = _RpcProcessor(resolver,
- netutils.GetDaemonPort(constants.NODED),
- lock_monitor_cb=context.glm.AddToLockMonitor)
-
- def _Call(self, node_list, procedure, timeout, args):
- """Entry point for automatically generated RPC wrappers.
-
- """
- body = serializer.DumpJson(args, indent=False)
-
- return self._proc(node_list, procedure, body, read_timeout=timeout)
+ _RpcClientBase.__init__(self, resolver, _ENCODERS.get,
+ lock_monitor_cb=context.glm.AddToLockMonitor)
+ _generated_rpc.RpcClientJobQueue.__init__(self)
-class BootstrapRunner(_generated_rpc.RpcClientBootstrap):
+class BootstrapRunner(_RpcClientBase,
+ _generated_rpc.RpcClientBootstrap,
+ _generated_rpc.RpcClientDnsOnly):
"""RPC wrappers for bootstrapping.
"""
"""Initializes this class.
"""
+ # 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)
- self._proc = _RpcProcessor(_SsconfResolver,
- netutils.GetDaemonPort(constants.NODED))
- def _Call(self, node_list, procedure, timeout, args):
- """Entry point for automatically generated RPC wrappers.
+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, _req_process_fn=None,
+ _getents=None):
+ """Initializes this class.
"""
- body = serializer.DumpJson(args, indent=False)
+ if context:
+ lock_monitor_cb = context.glm.AddToLockMonitor
+ else:
+ lock_monitor_cb = None
+
+ if address_list is None:
+ resolver = compat.partial(_SsconfResolver, True)
+ else:
+ # Caller provided an address list
+ resolver = _StaticResolver(address_list)
+
+ encoders = _ENCODERS.copy()
+
+ encoders.update({
+ rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents),
+ })
- return self._proc(node_list, procedure, body, read_timeout=timeout)
+ _RpcClientBase.__init__(self, resolver, encoders.get,
+ lock_monitor_cb=lock_monitor_cb,
+ _req_process_fn=_req_process_fn)
+ _generated_rpc.RpcClientConfig.__init__(self)