# if they need to start using instance attributes
# R0904: Too many public methods
-import os
import logging
import zlib
import base64
raise ec(*args) # pylint: disable=W0142
-def _SsconfResolver(node_list,
+def _SsconfResolver(node_list, _,
ssc=ssconf.SimpleStore,
nslookup_fn=netutils.Hostname.GetIP):
"""Return addresses for given node names.
"""
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]
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,
return results
- def __call__(self, hosts, procedure, body, read_timeout,
- _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
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,
- 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)
class _RpcClientBase:
- def __init__(self, resolver, encoder_fn, lock_monitor_cb=None):
+ def __init__(self, resolver, encoder_fn, lock_monitor_cb=None,
+ _req_process_fn=None):
"""Initializes this class.
"""
- self._proc = _RpcProcessor(resolver,
- netutils.GetDaemonPort(constants.NODED),
- lock_monitor_cb=lock_monitor_cb)
+ 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)
@staticmethod
"""Entry point for automatically generated RPC wrappers.
"""
- (procedure, _, timeout, argdefs, prep_fn, postproc_fn, _) = cdef
+ (procedure, _, resolver_opts, timeout, argdefs,
+ prep_fn, postproc_fn, _) = cdef
if callable(timeout):
read_timeout = timeout(args)
else:
read_timeout = timeout
+ if callable(resolver_opts):
+ req_resolver_opts = resolver_opts(args)
+ else:
+ req_resolver_opts = resolver_opts
+
+ if len(args) != len(argdefs):
+ raise errors.ProgrammerError("Number of passed arguments doesn't match")
+
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
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))
+ 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)
+ 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)),
for name, disks in value.items())
-def _PrepareFileUpload(filename):
+def _PrepareFileUpload(getents_fn, filename):
"""Loads a file and prepares it for an upload to nodes.
"""
- data = _Compress(utils.ReadFile(filename))
- st = os.stat(filename)
- getents = runtime.GetEnts()
+ 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()
+
return [filename, data, st.st_mode, getents.LookupUid(st.st_uid),
getents.LookupGid(st.st_gid), st.st_atime, st.st_mtime]
rpc_defs.ED_OBJECT_DICT: _ObjectToDict,
rpc_defs.ED_OBJECT_DICT_LIST: _ObjectListToDict,
rpc_defs.ED_NODE_TO_DISK_DICT: _EncodeNodeToDiskDict,
- rpc_defs.ED_FILE_DETAILS: _PrepareFileUpload,
rpc_defs.ED_COMPRESS: _Compress,
rpc_defs.ED_FINALIZE_EXPORT_DISKS: _PrepareFinalizeExportDisks,
rpc_defs.ED_IMPEXP_IO: _EncodeImportExportIO,
"""RPC runner class.
"""
- def __init__(self, context):
+ def __init__(self, cfg, lock_monitor_cb, _req_process_fn=None, _getents=None):
"""Initialized the RPC runner.
- @type context: C{masterd.GanetiContext}
- @param context: Ganeti context
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Configuration
+ @type lock_monitor_cb: callable
+ @param lock_monitor_cb: Lock monitor callback
"""
- self._cfg = context.cfg
+ self._cfg = cfg
encoders = _ENCODERS.copy()
- # Add encoders requiring configuration object
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,
+
+ # Encoders with special requirements
+ rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents),
})
# Resolver using configuration
- resolver = compat.partial(_NodeConfigResolver, self._cfg.GetNodeInfo,
- self._cfg.GetAllNodesInfo)
+ 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=context.glm.AddToLockMonitor)
+ lock_monitor_cb=lock_monitor_cb,
+ _req_process_fn=_req_process_fn)
_generated_rpc.RpcClientConfig.__init__(self)
_generated_rpc.RpcClientBootstrap.__init__(self)
_generated_rpc.RpcClientDefault.__init__(self)
"""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.
"""
# 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)
projects / ganeti-local / blobdiff