CRAB/python/ServerCommunicator.py

#!/usr/bin/env python
"""
_ServerCommunicator_

"""

__version__ = "$Id"
__revision__ = "$Revision"
__author__ = "farinafa@cern.ch"

from crab_exceptions import *
from crab_util import *
from crab_logger import Logger
import common

from CRAB_Server_API import CRAB_Server_Session as C_AS_Session
# from CRAB_Server_fastAPI import CRAB_Server_https as C_AS_Session
from xml.dom import minidom
import os
import commands

class ServerCommunicator:
    """
    Common interface for the interaction between the Crab client and the server Web Service    
    """
    def __init__(self, serverName, serverPort, cfg_params, proxyPath=None):
        """
        Open the communication with an Analysis Server by passing the server URL and the port
        """

        self.ServerTwiki = 'https://twiki.cern.ch/twiki/bin/view/CMS/CrabServer#Server_available_for_users'
       
        self.asSession = C_AS_Session(serverName, serverPort)
        self.cfg_params = cfg_params
        self.userSubj = ''
        self.serverName = serverName
        credentialType = 'Proxy'
        if common.scheduler.name().upper() in ['CAF','LSF']: 
            credentialType = 'Token'
        CliServerParams(self)
        self.crab_task_name = common.work_space.topDir().split('/')[-2] # nice task name "crab_0_..."

        from ProdCommon.Credential.CredentialAPI import CredentialAPI
        configAPI = {'credential' : credentialType }
         
        CredAPI =  CredentialAPI( configAPI )            
        try:
            self.userSubj = CredAPI.getSubject() 
        except Exception, err:
            common.logger.debug(3, "Getting Credential Subject: " +str(traceback.format_exc()))
            raise CrabException("Error Getting Credential Subject")
 
###################################################
    # Interactions with the server
###################################################

    def submitNewTask(self, blTaskName, blXml, rng, TotJob):
        """
        _submitNewTask_
        Send a new task to the server to be submitted. 
        
        Accepts in input: 
             - the bossLite object representing the task (jobs are assumed to be RunningJobs)  
             - the range of the submission as specified by the user at the command line 
        """

        if not blXml:
            raise CrabException('Error while serializing task object to XML')
            return -2

        if not blTaskName:
            raise CrabException('Error while extracting the Task Unique Name string')
            return -3

        cmdXML = None
        cmdXML = self._createXMLcommand(blTaskName, 'submit', rng, newTaskAddIns=True,jobs=TotJob)
        if not cmdXML:
            raise CrabException('Error while creating the Command XML')
            return -4

        ret = -1  
        ret = self.asSession.transferTaskAndSubmit(blXml, cmdXML, blTaskName)
       
        if ret == 0:
             # success
             logMsg = 'Task %s successfully submitted to server %s'%(self.crab_task_name, self.serverName)
             common.logger.message(logMsg+'\n')
        else:
             self.checkServerResponse(ret)    

        return ret

    def checkServerResponse(self, ret): 
        """
        analyze the server return codes
        """
        
        logMsg = ''
        if ret == 10:
             # overlaod
             logMsg = 'Error The server %s refused to accept the task %s because it is overloaded\n'%(self.serverName, self.crab_task_name)
             logMsg += '\t For Further infos please contact the server Admin: %s'%self.server_admin
        elif ret == 14:
             # Draining 
             logMsg  = 'Error The server %s refused to accept the task %s because it is Draining out\n'%(self.serverName, self.crab_task_name)
             logMsg += '\t remaining jobs due to scheduled maintainence\n'
             logMsg += '\t For Further infos please contact the server Admin: %s'%self.server_admin
        elif ret == 101:
             # overlaod
             logMsg = 'Error The server %s refused the submission %s because you asked a too large task. Please submit by range'%(self.serverName, self.crab_task_name)
        elif ret == 11:
             # failed to push message in DB
             logMsg = 'Backend unable to release messages to trigger the computation of task %s'%self.crab_task_name
        elif ret == 12:
             # failed SOAP communication
             logMsg = 'Error The server %s refused to accept the task %s. It could be under maintainance. \n'%(self.serverName, self.crab_task_name)
             logMsg += '\t For Further infos please contact the server Admin: %s'%self.server_admin
        elif ret == 20:
             # failed to push message in PA
             logMsg = 'Backend unable to release messages to trigger the computation of task %s'%self.crab_task_name
        elif ret == 22:
             # failed SOAP communication
             logMsg = 'Error during SOAP communication with server %s'%self.serverName
        elif ret == 33:
             # uncompatible client version
             logMsg  = 'Error You are using a wrong client version for server: %s\n'%self.serverName
             logMsg += '\t For further informations about "Servers available for users" please check here:\n \t%s '%self.ServerTwiki
        else:
             logMsg = 'Unexpected return code from server %s: %d'%(self.serverName, ret) 

        # print loggings
        if logMsg != '':
            common.logger.write(logMsg+'\n')
            raise CrabException(logMsg) 
        return ret
         
    def subsequentJobSubmit(self, blTaskName, rng):
        """
        _subsequentJobSubmit_
        Let the submission of other jobs of a task that has been already sent to a server.
        This method is used for subsequent submission of ranged sets of jobs.

        Accepts in input:
             - the bossLite object representing the task (jobs are assumed to be RunningJobs)
             - the range of the submission as specified by the user at the command line
        """
        return self._genericCommand('submit', blTaskName, rng)

    def killJobs(self, blTaskName, rng):
        """
        _killJobs_
        Send a kill command to one or more jobs running on the server.

        Accepts in input:
             - the bossLite object representing the task (jobs are assumed to be RunningJobs)
             - the range of the submission as specified by the user at the command line
        """
        return self._genericCommand('kill', blTaskName, rng)

    def cleanJobs(self, blTaskName, rng):
        """
        _cleanJobs_
        Force the server to clean the jobs on the server.

        Accepts in input:
             - the bossLite object representing the task (jobs are assumed to be RunningJobs)
             - the range of the submission as specified by the user at the command line
        """
        return self._genericCommand('clean', blTaskName, rng)

    def getStatus(self, blTaskName, statusFile=None, statusFamilyType='status'):
        """
        _getStatus_
        Retrieve the task status from the server. It can recover any kind of status (version, loggingInfos,...)
        """

        # fill the filename
        filename = str(statusFile)

        if not blTaskName:
            raise CrabException('Exception while getting the task unique name')
            return ''

        # get the data and fill the file content
        statusMsg = self.asSession.getTaskStatus(statusFamilyType, blTaskName)
        if 'Error:' in  statusMsg[:6] or len(statusMsg)==0:
             raise CrabException('Error occurred while retrieving task %s status from server %s'%(self.crab_task_name, self.serverName) )
             return

        if statusFile is not None:
            f = open(statusFile, 'w')
            f.write(statusMsg)
            f.close()
            return statusFile 
        return statusMsg

    def outputRetrieved(self, blTaskName, rng):
        """
        _getJobsOutput_
        Get from the server the output file locations to be transfered back.

        Accepts in input:
             - the bossLite object representing the task (jobs are assumed to be RunningJobs)
             - the range of the submission as specified by the user at the command line
        """
        return self._genericCommand('outputRetrieved', blTaskName, rng)

    def postMortemInfos(self, blTaskName, rng):
        """
        _postMortemInfos_
        Retrieve the job postmortem information from the server.

        Accepts in input:
             - the bossLite object representing the task (jobs are assumed to be RunningJobs)
             - the range of the submission as specified by the user at the command line
        """
        # get the status in 
        raise NotImplementedError
        return None

###################################################
    # Auxiliary methods
###################################################
    
    def _createXMLcommand(self, taskUName, cmdSpec='status', rng='all', newTaskAddIns=False, flavour='analysis', type='fullySpecified',jobs='-1'):
        xmlString = ''
        cfile = minidom.Document()
            
        ver = common.prog_version_str
        node = cfile.createElement("TaskCommand")
        node.setAttribute("Task", str(taskUName) )
        node.setAttribute("Subject", str(self.userSubj) )
        node.setAttribute("Command", str(cmdSpec) )
        node.setAttribute("Range", str(rng) )
        node.setAttribute("TotJob", str(jobs) )
        node.setAttribute("Scheduler", str(self.cfg_params['CRAB.scheduler']) ) 
        node.setAttribute("Flavour", str(flavour) )
        node.setAttribute("Type", str(type) ) 
        node.setAttribute("ClientVersion", str(ver) ) 

        ## Only Temporary. it should be at Server level
        removeT1bL = self.cfg_params.get("EDG.remove_default_blacklist", 0 )
        T1_BL = "fnal.gov, gridka.de ,w-ce01.grid.sinica.edu.tw, w-ce02.grid.sinica.edu.tw, \
                 lcg00125.grid.sinica.edu.tw, \
                 gridpp.rl.ac.uk, cclcgceli03.in2p3.fr, cclcgceli04.in2p3.fr, pic.es, cnaf"
        if removeT1bL == '1': T1_BL = ''

        # create a mini-cfg to be transfered to the server
        miniCfg = {}

        ## migrate CE/SE infos
        miniCfg['EDG.ce_white_list'] = ""
        if 'EDG.ce_white_list' in self.cfg_params:
            miniCfg['EDG.ce_white_list'] = str( self.cfg_params['EDG.ce_white_list'] )

        miniCfg['EDG.ce_black_list'] = T1_BL
        if 'EDG.ce_black_list' in self.cfg_params:
            miniCfg['EDG.ce_black_list'] += str( self.cfg_params['EDG.ce_black_list'] )

        miniCfg['EDG.se_white_list'] = ""
        if 'EDG.se_white_list' in self.cfg_params:
            miniCfg['EDG.se_white_list'] = str( self.cfg_params['EDG.se_white_list'] )

        miniCfg['EDG.se_black_list'] = ""
        if 'EDG.se_black_list' in self.cfg_params:
            miniCfg['EDG.se_black_list'] = str( self.cfg_params['EDG.se_black_list'] )

        miniCfg['cfgFileNameCkSum'] = makeCksum(common.work_space.cfgFileName()) 
        if 'cfgFileNameCkSum' in self.cfg_params:
            miniCfg['cfgFileNameCkSum'] = str(self.cfg_params['cfgFileNameCkSum'])

        miniCfg['CRAB.se_remote_dir'] = ''
        if 'CRAB.se_remote_dir' in self.cfg_params:
            miniCfg['CRAB.se_remote_dir'] = str(self.cfg_params['CRAB.se_remote_dir']) 

        ## JDL requirements specific data. Scheduler dependant
        miniCfg['EDG.max_wall_time'] = self.cfg_params.get('EDG.max_wall_clock_time', None)
        miniCfg['EDG.max_cpu_time'] = self.cfg_params.get('EDG.max_cpu_time', '130')
        miniCfg['proxyServer'] = self.cfg_params.get('EDG.proxy_server', 'myproxy.cern.ch')
        miniCfg['VO'] = self.cfg_params.get('EDG.virtual_organization', 'cms')
        miniCfg['EDG_retry_count'] = self.cfg_params.get('EDG.retry_count',0)
        miniCfg['EDG_shallow_retry_count'] = self.cfg_params.get('EDG.shallow_retry_count',-1)
        miniCfg['EDG.proxyInfos'] = self.cfg_params.get('EDG.proxyInfos',{}) #TODO activate this when using MyProxy-based delegation 

        ## Additional field for DashBoard
        miniCfg['CMSSW.datasetpath'] = self.cfg_params.get('CMSSW.datasetpath', 'None')

        ## Additional fields for Notification by the server
        miniCfg['eMail'] = self.cfg_params.get('USER.email', None)
        miniCfg['threshold'] = self.cfg_params.get('USER.thresholdlevel', 100)

        ## put here other fields if needed
        node.setAttribute("CfgParamDict", str(miniCfg) )
        cfile.appendChild(node)
        xmlString += str(cfile.toprettyxml())
        return xmlString

    def _genericCommand(self, cmd, blTaskName, rng):
        if not blTaskName:
            raise CrabException('Error while extracting the Task Unique Name string')
            return -2

        cmdXML = None
        cmdXML = self._createXMLcommand(blTaskName, cmd, rng)
        if not cmdXML:
            raise CrabException('Error while creating the Command XML')
            return -3
        
        ret = -1
        ret = self.asSession.sendCommand(cmdXML, blTaskName)
        logMsg = ''
        debugMsg = ''  
        if ret == 0:
             # success
             debugMsg = 'Command successfully sent to server %s for task %s'%(self.serverName, self.crab_task_name)
        else:
             self.checkServerResponse(ret)
        return ret
    
Revision:	1.31
Committed:	Fri Dec 5 16:56:16 2008 UTC (16 years, 4 months ago) by spiga
Content type:	text/x-python
Branch:	MAIN
CVS Tags:	CRAB_2_4_3_pre7
Changes since 1.30:	+14 -26 lines
Log Message:	use CredentialApi to get subject
#	Content
1	#!/usr/bin/env python
2	"""
3	_ServerCommunicator_
4
5	"""
6
7	__version__ = "$Id"
8	__revision__ = "$Revision"
9	__author__ = "farinafa@cern.ch"
10
11	from crab_exceptions import *
12	from crab_util import *
13	from crab_logger import Logger
14	import common
15
16	from CRAB_Server_API import CRAB_Server_Session as C_AS_Session
17	# from CRAB_Server_fastAPI import CRAB_Server_https as C_AS_Session
18	from xml.dom import minidom
19	import os
20	import commands
21
22	class ServerCommunicator:
23	"""
24	Common interface for the interaction between the Crab client and the server Web Service
25	"""
26	def __init__(self, serverName, serverPort, cfg_params, proxyPath=None):
27	"""
28	Open the communication with an Analysis Server by passing the server URL and the port
29	"""
30
31	self.ServerTwiki = 'https://twiki.cern.ch/twiki/bin/view/CMS/CrabServer#Server_available_for_users'
32
33	self.asSession = C_AS_Session(serverName, serverPort)
34	self.cfg_params = cfg_params
35	self.userSubj = ''
36	self.serverName = serverName
37	credentialType = 'Proxy'
38	if common.scheduler.name().upper() in ['CAF','LSF']:
39	credentialType = 'Token'
40	CliServerParams(self)
41	self.crab_task_name = common.work_space.topDir().split('/')[-2] # nice task name "crab_0_..."
42
43	from ProdCommon.Credential.CredentialAPI import CredentialAPI
44	configAPI = {'credential' : credentialType }
45
46	CredAPI = CredentialAPI( configAPI )
47	try:
48	self.userSubj = CredAPI.getSubject()
49	except Exception, err:
50	common.logger.debug(3, "Getting Credential Subject: " +str(traceback.format_exc()))
51	raise CrabException("Error Getting Credential Subject")
52
53	###################################################
54	# Interactions with the server
55	###################################################
56
57	def submitNewTask(self, blTaskName, blXml, rng, TotJob):
58	"""
59	_submitNewTask_
60	Send a new task to the server to be submitted.
61
62	Accepts in input:
63	- the bossLite object representing the task (jobs are assumed to be RunningJobs)
64	- the range of the submission as specified by the user at the command line
65	"""
66
67	if not blXml:
68	raise CrabException('Error while serializing task object to XML')
69	return -2
70
71	if not blTaskName:
72	raise CrabException('Error while extracting the Task Unique Name string')
73	return -3
74
75	cmdXML = None
76	cmdXML = self._createXMLcommand(blTaskName, 'submit', rng, newTaskAddIns=True,jobs=TotJob)
77	if not cmdXML:
78	raise CrabException('Error while creating the Command XML')
79	return -4
80
81	ret = -1
82	ret = self.asSession.transferTaskAndSubmit(blXml, cmdXML, blTaskName)
83
84	if ret == 0:
85	# success
86	logMsg = 'Task %s successfully submitted to server %s'%(self.crab_task_name, self.serverName)
87	common.logger.message(logMsg+'\n')
88	else:
89	self.checkServerResponse(ret)
90
91	return ret
92
93	def checkServerResponse(self, ret):
94	"""
95	analyze the server return codes
96	"""
97
98	logMsg = ''
99	if ret == 10:
100	# overlaod
101	logMsg = 'Error The server %s refused to accept the task %s because it is overloaded\n'%(self.serverName, self.crab_task_name)
102	logMsg += '\t For Further infos please contact the server Admin: %s'%self.server_admin
103	elif ret == 14:
104	# Draining
105	logMsg = 'Error The server %s refused to accept the task %s because it is Draining out\n'%(self.serverName, self.crab_task_name)
106	logMsg += '\t remaining jobs due to scheduled maintainence\n'
107	logMsg += '\t For Further infos please contact the server Admin: %s'%self.server_admin
108	elif ret == 101:
109	# overlaod
110	logMsg = 'Error The server %s refused the submission %s because you asked a too large task. Please submit by range'%(self.serverName, self.crab_task_name)
111	elif ret == 11:
112	# failed to push message in DB
113	logMsg = 'Backend unable to release messages to trigger the computation of task %s'%self.crab_task_name
114	elif ret == 12:
115	# failed SOAP communication
116	logMsg = 'Error The server %s refused to accept the task %s. It could be under maintainance. \n'%(self.serverName, self.crab_task_name)
117	logMsg += '\t For Further infos please contact the server Admin: %s'%self.server_admin
118	elif ret == 20:
119	# failed to push message in PA
120	logMsg = 'Backend unable to release messages to trigger the computation of task %s'%self.crab_task_name
121	elif ret == 22:
122	# failed SOAP communication
123	logMsg = 'Error during SOAP communication with server %s'%self.serverName
124	elif ret == 33:
125	# uncompatible client version
126	logMsg = 'Error You are using a wrong client version for server: %s\n'%self.serverName
127	logMsg += '\t For further informations about "Servers available for users" please check here:\n \t%s '%self.ServerTwiki
128	else:
129	logMsg = 'Unexpected return code from server %s: %d'%(self.serverName, ret)
130
131	# print loggings
132	if logMsg != '':
133	common.logger.write(logMsg+'\n')
134	raise CrabException(logMsg)
135	return ret
136
137	def subsequentJobSubmit(self, blTaskName, rng):
138	"""
139	_subsequentJobSubmit_
140	Let the submission of other jobs of a task that has been already sent to a server.
141	This method is used for subsequent submission of ranged sets of jobs.
142
143	Accepts in input:
144	- the bossLite object representing the task (jobs are assumed to be RunningJobs)
145	- the range of the submission as specified by the user at the command line
146	"""
147	return self._genericCommand('submit', blTaskName, rng)
148
149	def killJobs(self, blTaskName, rng):
150	"""
151	_killJobs_
152	Send a kill command to one or more jobs running on the server.
153
154	Accepts in input:
155	- the bossLite object representing the task (jobs are assumed to be RunningJobs)
156	- the range of the submission as specified by the user at the command line
157	"""
158	return self._genericCommand('kill', blTaskName, rng)
159
160	def cleanJobs(self, blTaskName, rng):
161	"""
162	_cleanJobs_
163	Force the server to clean the jobs on the server.
164
165	Accepts in input:
166	- the bossLite object representing the task (jobs are assumed to be RunningJobs)
167	- the range of the submission as specified by the user at the command line
168	"""
169	return self._genericCommand('clean', blTaskName, rng)
170
171	def getStatus(self, blTaskName, statusFile=None, statusFamilyType='status'):
172	"""
173	_getStatus_
174	Retrieve the task status from the server. It can recover any kind of status (version, loggingInfos,...)
175	"""
176
177	# fill the filename
178	filename = str(statusFile)
179
180	if not blTaskName:
181	raise CrabException('Exception while getting the task unique name')
182	return ''
183
184	# get the data and fill the file content
185	statusMsg = self.asSession.getTaskStatus(statusFamilyType, blTaskName)
186	if 'Error:' in statusMsg[:6] or len(statusMsg)==0:
187	raise CrabException('Error occurred while retrieving task %s status from server %s'%(self.crab_task_name, self.serverName) )
188	return
189
190	if statusFile is not None:
191	f = open(statusFile, 'w')
192	f.write(statusMsg)
193	f.close()
194	return statusFile
195	return statusMsg
196
197	def outputRetrieved(self, blTaskName, rng):
198	"""
199	_getJobsOutput_
200	Get from the server the output file locations to be transfered back.
201
202	Accepts in input:
203	- the bossLite object representing the task (jobs are assumed to be RunningJobs)
204	- the range of the submission as specified by the user at the command line
205	"""
206	return self._genericCommand('outputRetrieved', blTaskName, rng)
207
208	def postMortemInfos(self, blTaskName, rng):
209	"""
210	_postMortemInfos_
211	Retrieve the job postmortem information from the server.
212
213	Accepts in input:
214	- the bossLite object representing the task (jobs are assumed to be RunningJobs)
215	- the range of the submission as specified by the user at the command line
216	"""
217	# get the status in
218	raise NotImplementedError
219	return None
220
221	###################################################
222	# Auxiliary methods
223	###################################################
224
225	def _createXMLcommand(self, taskUName, cmdSpec='status', rng='all', newTaskAddIns=False, flavour='analysis', type='fullySpecified',jobs='-1'):
226	xmlString = ''
227	cfile = minidom.Document()
228
229	ver = common.prog_version_str
230	node = cfile.createElement("TaskCommand")
231	node.setAttribute("Task", str(taskUName) )
232	node.setAttribute("Subject", str(self.userSubj) )
233	node.setAttribute("Command", str(cmdSpec) )
234	node.setAttribute("Range", str(rng) )
235	node.setAttribute("TotJob", str(jobs) )
236	node.setAttribute("Scheduler", str(self.cfg_params['CRAB.scheduler']) )
237	node.setAttribute("Flavour", str(flavour) )
238	node.setAttribute("Type", str(type) )
239	node.setAttribute("ClientVersion", str(ver) )
240
241	## Only Temporary. it should be at Server level
242	removeT1bL = self.cfg_params.get("EDG.remove_default_blacklist", 0 )
243	T1_BL = "fnal.gov, gridka.de ,w-ce01.grid.sinica.edu.tw, w-ce02.grid.sinica.edu.tw, \
244	lcg00125.grid.sinica.edu.tw, \
245	gridpp.rl.ac.uk, cclcgceli03.in2p3.fr, cclcgceli04.in2p3.fr, pic.es, cnaf"
246	if removeT1bL == '1': T1_BL = ''
247
248	# create a mini-cfg to be transfered to the server
249	miniCfg = {}
250
251	## migrate CE/SE infos
252	miniCfg['EDG.ce_white_list'] = ""
253	if 'EDG.ce_white_list' in self.cfg_params:
254	miniCfg['EDG.ce_white_list'] = str( self.cfg_params['EDG.ce_white_list'] )
255
256	miniCfg['EDG.ce_black_list'] = T1_BL
257	if 'EDG.ce_black_list' in self.cfg_params:
258	miniCfg['EDG.ce_black_list'] += str( self.cfg_params['EDG.ce_black_list'] )
259
260	miniCfg['EDG.se_white_list'] = ""
261	if 'EDG.se_white_list' in self.cfg_params:
262	miniCfg['EDG.se_white_list'] = str( self.cfg_params['EDG.se_white_list'] )
263
264	miniCfg['EDG.se_black_list'] = ""
265	if 'EDG.se_black_list' in self.cfg_params:
266	miniCfg['EDG.se_black_list'] = str( self.cfg_params['EDG.se_black_list'] )
267
268	miniCfg['cfgFileNameCkSum'] = makeCksum(common.work_space.cfgFileName())
269	if 'cfgFileNameCkSum' in self.cfg_params:
270	miniCfg['cfgFileNameCkSum'] = str(self.cfg_params['cfgFileNameCkSum'])
271
272	miniCfg['CRAB.se_remote_dir'] = ''
273	if 'CRAB.se_remote_dir' in self.cfg_params:
274	miniCfg['CRAB.se_remote_dir'] = str(self.cfg_params['CRAB.se_remote_dir'])
275
276	## JDL requirements specific data. Scheduler dependant
277	miniCfg['EDG.max_wall_time'] = self.cfg_params.get('EDG.max_wall_clock_time', None)
278	miniCfg['EDG.max_cpu_time'] = self.cfg_params.get('EDG.max_cpu_time', '130')
279	miniCfg['proxyServer'] = self.cfg_params.get('EDG.proxy_server', 'myproxy.cern.ch')
280	miniCfg['VO'] = self.cfg_params.get('EDG.virtual_organization', 'cms')
281	miniCfg['EDG_retry_count'] = self.cfg_params.get('EDG.retry_count',0)
282	miniCfg['EDG_shallow_retry_count'] = self.cfg_params.get('EDG.shallow_retry_count',-1)
283	miniCfg['EDG.proxyInfos'] = self.cfg_params.get('EDG.proxyInfos',{}) #TODO activate this when using MyProxy-based delegation
284
285	## Additional field for DashBoard
286	miniCfg['CMSSW.datasetpath'] = self.cfg_params.get('CMSSW.datasetpath', 'None')
287
288	## Additional fields for Notification by the server
289	miniCfg['eMail'] = self.cfg_params.get('USER.email', None)
290	miniCfg['threshold'] = self.cfg_params.get('USER.thresholdlevel', 100)
291
292	## put here other fields if needed
293	node.setAttribute("CfgParamDict", str(miniCfg) )
294	cfile.appendChild(node)
295	xmlString += str(cfile.toprettyxml())
296	return xmlString
297
298	def _genericCommand(self, cmd, blTaskName, rng):
299	if not blTaskName:
300	raise CrabException('Error while extracting the Task Unique Name string')
301	return -2
302
303	cmdXML = None
304	cmdXML = self._createXMLcommand(blTaskName, cmd, rng)
305	if not cmdXML:
306	raise CrabException('Error while creating the Command XML')
307	return -3
308
309	ret = -1
310	ret = self.asSession.sendCommand(cmdXML, blTaskName)
311	logMsg = ''
312	debugMsg = ''
313	if ret == 0:
314	# success
315	debugMsg = 'Command successfully sent to server %s for task %s'%(self.serverName, self.crab_task_name)
316	else:
317	self.checkServerResponse(ret)
318	return ret
319