#
#
-# Copyright (C) 2006, 2007 Google Inc.
+# Copyright (C) 2006, 2007, 2011 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 time
import errno
import logging
+import warnings
from ganeti import serializer
from ganeti import constants
from ganeti import errors
from ganeti import utils
+from ganeti import objects
KEY_METHOD = "method"
REQ_CANCEL_JOB = "CancelJob"
REQ_ARCHIVE_JOB = "ArchiveJob"
REQ_AUTOARCHIVE_JOBS = "AutoArchiveJobs"
+REQ_QUERY = "Query"
+REQ_QUERY_FIELDS = "QueryFields"
REQ_QUERY_JOBS = "QueryJobs"
REQ_QUERY_INSTANCES = "QueryInstances"
REQ_QUERY_NODES = "QueryNodes"
+REQ_QUERY_GROUPS = "QueryGroups"
REQ_QUERY_EXPORTS = "QueryExports"
REQ_QUERY_CONFIG_VALUES = "QueryConfigValues"
REQ_QUERY_CLUSTER_INFO = "QueryClusterInfo"
logging.error("LUXI request not a dict: %r", msg)
raise ProtocolError("Invalid LUXI request (not a dict)")
- method = request.get(KEY_METHOD, None) # pylint: disable-msg=E1103
- args = request.get(KEY_ARGS, None) # pylint: disable-msg=E1103
- version = request.get(KEY_VERSION, None) # pylint: disable-msg=E1103
+ method = request.get(KEY_METHOD, None) # pylint: disable=E1103
+ args = request.get(KEY_ARGS, None) # pylint: disable=E1103
+ version = request.get(KEY_VERSION, None) # pylint: disable=E1103
if method is None or args is None:
logging.error("LUXI request missing method or arguments: %r", msg)
# Parse the result
try:
data = serializer.LoadJson(msg)
+ except KeyboardInterrupt:
+ raise
except Exception, err:
raise ProtocolError("Error while deserializing response: %s" % str(err))
raise ProtocolError("Invalid response from server: %r" % data)
return (data[KEY_SUCCESS], data[KEY_RESULT],
- data.get(KEY_VERSION, None)) # pylint: disable-msg=E1103
+ data.get(KEY_VERSION, None)) # pylint: disable=E1103
def FormatResponse(success, result, version=None):
request[KEY_VERSION] = version
# Serialize the request
- return serializer.DumpJson(request, indent=False)
+ return serializer.DumpJson(request)
def CallLuxiMethod(transport_cb, method, args, version=None):
old_transp = self.transport
self.transport = None
old_transp.Close()
- except Exception: # pylint: disable-msg=W0703
+ except Exception: # pylint: disable=W0703
pass
def _SendMethodCall(self, data):
self._CloseTransport()
raise
+ def Close(self):
+ """Close the underlying connection.
+
+ """
+ self._CloseTransport()
+
def CallMethod(self, method, args):
"""Send a generic request and return the response.
"""
+ if not isinstance(args, (list, tuple)):
+ raise errors.ProgrammerError("Invalid parameter passed to CallMethod:"
+ " expected list, got %s" % type(args))
return CallLuxiMethod(self._SendMethodCall, method, args,
version=constants.LUXI_VERSION)
def SetQueueDrainFlag(self, drain_flag):
- return self.CallMethod(REQ_QUEUE_SET_DRAIN_FLAG, drain_flag)
+ return self.CallMethod(REQ_QUEUE_SET_DRAIN_FLAG, (drain_flag, ))
def SetWatcherPause(self, until):
- return self.CallMethod(REQ_SET_WATCHER_PAUSE, [until])
+ return self.CallMethod(REQ_SET_WATCHER_PAUSE, (until, ))
def SubmitJob(self, ops):
ops_state = map(lambda op: op.__getstate__(), ops)
return self.CallMethod(REQ_SUBMIT_MANY_JOBS, jobs_state)
def CancelJob(self, job_id):
- return self.CallMethod(REQ_CANCEL_JOB, job_id)
+ return self.CallMethod(REQ_CANCEL_JOB, (job_id, ))
def ArchiveJob(self, job_id):
- return self.CallMethod(REQ_ARCHIVE_JOB, job_id)
+ return self.CallMethod(REQ_ARCHIVE_JOB, (job_id, ))
def AutoArchiveJobs(self, age):
timeout = (DEF_RWTO - 1) / 2
break
return result
+ def Query(self, what, fields, qfilter):
+ """Query for resources/items.
+
+ @param what: One of L{constants.QR_VIA_LUXI}
+ @type fields: List of strings
+ @param fields: List of requested fields
+ @type qfilter: None or list
+ @param qfilter: Query filter
+ @rtype: L{objects.QueryResponse}
+
+ """
+ result = self.CallMethod(REQ_QUERY, (what, fields, qfilter))
+ return objects.QueryResponse.FromDict(result)
+
+ def QueryFields(self, what, fields):
+ """Query for available fields.
+
+ @param what: One of L{constants.QR_VIA_LUXI}
+ @type fields: None or list of strings
+ @param fields: List of requested fields
+ @rtype: L{objects.QueryFieldsResponse}
+
+ """
+ result = self.CallMethod(REQ_QUERY_FIELDS, (what, fields))
+ return objects.QueryFieldsResponse.FromDict(result)
+
def QueryJobs(self, job_ids, fields):
return self.CallMethod(REQ_QUERY_JOBS, (job_ids, fields))
def QueryNodes(self, names, fields, use_locking):
return self.CallMethod(REQ_QUERY_NODES, (names, fields, use_locking))
+ def QueryGroups(self, names, fields, use_locking):
+ return self.CallMethod(REQ_QUERY_GROUPS, (names, fields, use_locking))
+
def QueryExports(self, nodes, use_locking):
return self.CallMethod(REQ_QUERY_EXPORTS, (nodes, use_locking))
return self.CallMethod(REQ_QUERY_CLUSTER_INFO, ())
def QueryConfigValues(self, fields):
- return self.CallMethod(REQ_QUERY_CONFIG_VALUES, fields)
+ return self.CallMethod(REQ_QUERY_CONFIG_VALUES, (fields, ))
def QueryTags(self, kind, name):
return self.CallMethod(REQ_QUERY_TAGS, (kind, name))
def QueryLocks(self, fields, sync):
+ warnings.warn("This LUXI call is deprecated and will be removed, use"
+ " Query(\"%s\", ...) instead" % constants.QR_LOCK)
return self.CallMethod(REQ_QUERY_LOCKS, (fields, sync))