2 File used to handle issuing request to OAR and parse OAR's JSON responses.
3 Contains the following classes:
4 - JsonPage : handles multiple pages OAR answers.
5 - OARRestapi : handles issuing POST or GET requests to OAR.
6 - ParsingResourcesFull : dedicated to parsing OAR's answer to a get resources
8 - OARGETParser : handles parsing the Json answers to different GET requests.
11 from httplib import HTTPConnection, HTTPException, NotConnected
13 from sfa.util.config import Config
14 from sfa.util.sfalogging import logger
20 """Class used to manipulate json pages given by OAR.
22 In case the json answer from a GET request is too big to fit in one json
23 page, this class provides helper methods to retrieve all the pages and
24 store them in a list before putting them into one single json dictionary,
25 facilitating the parsing.
30 """Defines attributes to manipulate and parse the json pages.
33 #All are boolean variables
34 self.concatenate = False
35 #Indicates end of data, no more pages to be loaded.
37 self.next_page = False
39 self.next_offset = None
43 def FindNextPage(self):
45 Gets next data page from OAR when the query's results are too big to
46 be transmitted in a single page. Uses the "links' item in the json
47 returned to check if an additionnal page has to be loaded. Updates
48 object attributes next_page, next_offset, and end.
51 if "links" in self.raw_json:
52 for page in self.raw_json['links']:
53 if page['rel'] == 'next':
54 self.concatenate = True
56 self.next_offset = "?" + page['href'].split("?")[1]
61 self.next_page = False
62 self.next_offset = None
66 #Otherwise, no next page and no concatenate, must be a single page
67 #Concatenate the single page and get out of here.
69 self.next_page = False
70 self.concatenate = True
71 self.next_offset = None
75 def ConcatenateJsonPages(saved_json_list):
77 If the json answer is too big to be contained in a single page,
78 all the pages have to be loaded and saved before being appended to the
81 :param saved_json_list: list of all the stored pages, including the
83 :type saved_json_list: list
84 :returns: Returns a dictionary with all the pages saved in the
85 saved_json_list. The key of the dictionary is 'items'.
89 .. seealso:: SendRequest
90 .. warning:: Assumes the apilib is 0.2.10 (with the 'items' key in the
99 for page in saved_json_list:
100 tmp['items'].extend(page['items'])
103 def ResetNextPage(self):
105 Resets all the Json page attributes (next_page, next_offset,
106 concatenate, end). Has to be done before getting another json answer
107 so that the previous page status does not affect the new json load.
110 self.next_page = True
111 self.next_offset = None
112 self.concatenate = False
117 """Class used to connect to the OAR server and to send GET and POST
124 OAR_REQUEST_POST_URI_DICT = {'POST_job': {'uri': '/oarapi/jobs.json'},
126 {'uri': '/oarapi/jobs/id.json'},
129 POST_FORMAT = {'json': {'content': "application/json", 'object': json}}
131 #OARpostdatareqfields = {'resource' :"/nodes=", 'command':"sleep", \
132 #'workdir':"/home/", 'walltime':""}
134 def __init__(self, config_file='/etc/sfa/oar_config.py'):
136 self.oarserver['uri'] = None
137 self.oarserver['postformat'] = 'json'
140 execfile(config_file, self.__dict__)
142 self.config_file = config_file
143 # path to configuration data
144 self.config_path = os.path.dirname(config_file)
147 raise IOError, "Could not find or load the configuration file: %s" \
149 #logger.setLevelDebug()
150 self.oarserver['ip'] = self.OAR_IP
151 self.oarserver['port'] = self.OAR_PORT
152 self.jobstates = ['Terminated', 'Hold', 'Waiting', 'toLaunch',
153 'toError', 'toAckReservation', 'Launching',
154 'Finishing', 'Running', 'Suspended', 'Resuming',
157 self.parser = OARGETParser(self)
160 def GETRequestToOARRestAPI(self, request, strval=None,
161 next_page=None, username=None):
163 """Makes a GET request to OAR.
165 Fetch the uri associated with the resquest stored in
166 OARrequests_uri_dict, adds the username if needed and if available, adds
167 strval to the request uri if needed, connects to OAR and issues the GET
168 request. Gets the json reply.
170 :param request: One of the known get requests that are keys in the
171 OARrequests_uri_dict.
172 :param strval: used when a job id has to be specified.
173 :param next_page: used to tell OAR to send the next page for this
174 Get request. Is appended to the GET uri.
175 :param username: used when a username has to be specified, when looking
176 for jobs scheduled by a particular user for instance.
178 :type request: string
179 :type strval: integer
180 :type next_page: boolean
181 :type username: string
182 :returns: a json dictionary if OAR successfully processed the GET
185 .. seealso:: OARrequests_uri_dict
187 self.oarserver['uri'] = \
188 OARGETParser.OARrequests_uri_dict[request]['uri']
189 #Get job details with username
190 if 'owner' in OARGETParser.OARrequests_uri_dict[request] and username:
191 self.oarserver['uri'] += \
192 OARGETParser.OARrequests_uri_dict[request]['owner'] + username
194 data = json.dumps({})
195 logger.debug("OARrestapi \tGETRequestToOARRestAPI %s" % (request))
197 self.oarserver['uri'] = self.oarserver['uri'].\
198 replace("id", str(strval))
201 self.oarserver['uri'] += next_page
204 headers['X-REMOTE_IDENT'] = username
206 logger.debug("OARrestapi: \t GETRequestToOARRestAPI \
207 self.oarserver['uri'] %s strval %s"
208 % (self.oarserver['uri'], strval))
210 #seems that it does not work if we don't add this
211 headers['content-length'] = '0'
213 conn = HTTPConnection(self.oarserver['ip'],
214 self.oarserver['port'])
215 conn.request("GET", self.oarserver['uri'], data, headers)
216 resp = (conn.getresponse()).read()
219 except HTTPException, error:
220 logger.log_exc("GET_OAR_SRVR : Problem with OAR server : %s "
222 #raise ServerError("GET_OAR_SRVR : Could not reach OARserver")
224 js_dict = json.loads(resp)
225 #print "\r\n \t\t\t js_dict keys" , js_dict.keys(), " \r\n", js_dict
228 except ValueError, error:
229 logger.log_exc("Failed to parse Server Response: %s ERROR %s"
231 #raise ServerError("Failed to parse Server Response:" + js)
234 def POSTRequestToOARRestAPI(self, request, datadict, username=None):
235 """ Used to post a job on OAR , along with data associated
240 #first check that all params for are OK
242 self.oarserver['uri'] = \
243 self.OAR_REQUEST_POST_URI_DICT[request]['uri']
246 logger.log_exc("OARrestapi \tPOSTRequestToOARRestAPI request not \
249 if datadict and 'strval' in datadict:
250 self.oarserver['uri'] = self.oarserver['uri'].replace("id", \
251 str(datadict['strval']))
252 del datadict['strval']
254 data = json.dumps(datadict)
255 headers = {'X-REMOTE_IDENT':username, \
256 'content-type': self.POST_FORMAT['json']['content'], \
257 'content-length':str(len(data))}
260 conn = HTTPConnection(self.oarserver['ip'], \
261 self.oarserver['port'])
262 conn.request("POST", self.oarserver['uri'], data, headers)
263 resp = (conn.getresponse()).read()
266 logger.log_exc("POSTRequestToOARRestAPI NotConnected ERROR: \
267 data %s \r\n \t\n \t\t headers %s uri %s" \
268 %(data,headers,self.oarserver['uri']))
270 #raise ServerError("POST_OAR_SRVR : error")
273 answer = json.loads(resp)
274 logger.debug("POSTRequestToOARRestAPI : answer %s" % (answer))
277 except ValueError, error:
278 logger.log_exc("Failed to parse Server Response: error %s \
280 #raise ServerError("Failed to parse Server Response:" + answer)
283 class ParsingResourcesFull():
285 Class dedicated to parse the json response from a GET_resources_full from
291 Set the parsing dictionary. Works like a switch case, if the key is
292 found in the dictionary, then the associated function is called.
293 This is used in ParseNodes to create an usable dictionary from
294 the Json returned by OAR when issuing a GET resources full request.
296 .. seealso:: ParseNodes
299 self.resources_fulljson_dict = {
300 'network_address': self.AddNodeNetworkAddr,
301 'site': self.AddNodeSite,
302 # 'radio': self.AddNodeRadio,
303 'mobile': self.AddMobility,
307 'archi': self.AddHardwareType,
308 'state': self.AddBootState,
309 'id': self.AddOarNodeId,
314 def AddOarNodeId(self, tuplelist, value):
315 """Adds Oar internal node id to the nodes' attributes.
317 Appends tuple ('oar_id', node_id) to the tuplelist. Used by ParseNodes.
319 .. seealso:: ParseNodes
323 tuplelist.append(('oar_id', int(value)))
326 def AddNodeNetworkAddr(self, dictnode, value):
327 """First parsing function to be called to parse the json returned by OAR
328 answering a GET_resources (/oarapi/resources.json) request.
330 When a new node is found in the json, this function is responsible for
331 creating a new entry in the dictionary for storing information on this
332 specific node. The key is the node network address, which is also the
334 The value associated with the key is a tuple list.It contains all
335 the nodes attributes. The tuplelist will later be turned into a dict.
337 :param dictnode: should be set to the OARGETParser atribute
338 node_dictlist. It will store the information on the nodes.
339 :param value: the node_id is the network_address in the raw json.
341 :type dictnode: dictionary
343 .. seealso: ParseResources, ParseNodes
347 dictnode[node_id] = [('node_id', node_id),('hostname', node_id) ]
351 def AddNodeSite(self, tuplelist, value):
352 """Add the site's node to the dictionary.
355 :param tuplelist: tuple list on which to add the node's site.
356 Contains the other node attributes as well.
357 :param value: value to add to the tuple list, in this case the node's
359 :type tuplelist: list
362 .. seealso:: AddNodeNetworkAddr
365 tuplelist.append(('site', str(value)))
367 # def AddNodeRadio(tuplelist, value):
368 # """Add thenode's radio chipset type to the tuple list.
370 # :param tuplelist: tuple list on which to add the node's mobility
371 # status. The tuplelist is the value associated with the node's
372 # id in the OARGETParser
373 # 's dictionary node_dictlist.
374 # :param value: name of the radio chipset on the node.
375 # :type tuplelist: list
376 # :type value: string
378 # .. seealso:: AddNodeNetworkAddr
381 # tuplelist.append(('radio', str(value)))
384 def AddMobility(self, tuplelist, value):
385 """Add if the node is a mobile node or not to the tuple list.
387 will also add which kind of mobility it is if the information
388 is available, supposing the information is formatted as a string
389 with the 2 information separated by a colon.
391 :param tuplelist: tuple list on which to add the node's mobility status.
392 The tuplelist is the value associated with the node's id in the
393 OARGETParser's dictionary node_dictlist.
394 :param value: tells if a node is a mobile node or not. The value is
397 :type tuplelist: list
400 .. seealso:: AddNodeNetworkAddr
403 # future support of mobility type
405 value_list = value.split(':')
406 if value_list[0] is 0:
407 tuplelist.append(('mobile', 'False'))
409 tuplelist.append(('mobile', 'True'))
410 tuplelist.append(('type', value_list[1]))
413 tuplelist.append(('mobile', 'False'))
415 tuplelist.append(('mobile', 'True'))
418 def AddPosX(self, tuplelist, value):
419 """Add the node's position on the x axis.
421 :param tuplelist: tuple list on which to add the node's position . The
422 tuplelist is the value associated with the node's id in the
423 OARGETParser's dictionary node_dictlist.
424 :param value: the position x.
426 :type tuplelist: list
429 .. seealso:: AddNodeNetworkAddr
432 tuplelist.append(('posx', value))
436 def AddPosY(self, tuplelist, value):
437 """Add the node's position on the y axis.
439 :param tuplelist: tuple list on which to add the node's position . The
440 tuplelist is the value associated with the node's id in the
441 OARGETParser's dictionary node_dictlist.
442 :param value: the position y.
444 :type tuplelist: list
447 .. seealso:: AddNodeNetworkAddr
450 tuplelist.append(('posy', value))
454 def AddPosZ(self, tuplelist, value):
455 """Add the node's position on the z axis.
457 :param tuplelist: tuple list on which to add the node's position . The
458 tuplelist is the value associated with the node's id in the
459 OARGETParser's dictionary node_dictlist.
460 :param value: the position z.
462 :type tuplelist: list
465 .. seealso:: AddNodeNetworkAddr
469 tuplelist.append(('posz', value))
473 def AddBootState(tself, tuplelist, value):
474 """Add the node's state, Alive or Suspected.
476 :param tuplelist: tuple list on which to add the node's state . The
477 tuplelist is the value associated with the node's id in the
478 OARGETParser 's dictionary node_dictlist.
479 :param value: node's state.
481 :type tuplelist: list
484 .. seealso:: AddNodeNetworkAddr
487 tuplelist.append(('boot_state', str(value)))
490 def AddHardwareType(self, tuplelist, value):
491 """Add the node's hardware model and radio chipset type to the tuple
494 :param tuplelist: tuple list on which to add the node's architecture
495 and radio chipset type.
496 :param value: hardware type: radio chipset. The value contains both the
497 architecture and the radio chipset, separated by a colon.
498 :type tuplelist: list
501 .. seealso:: AddNodeNetworkAddr
505 value_list = value.split(':')
506 tuplelist.append(('archi', value_list[0]))
507 tuplelist.append(('radio', value_list[1]))
511 """Class providing parsing methods associated to specific GET requests.
515 def __init__(self, srv):
516 self.version_json_dict = {
517 'api_version': None, 'apilib_version': None,
518 'api_timezone': None, 'api_timestamp': None, 'oar_version': None}
519 self.config = Config()
520 self.interface_hrn = self.config.SFA_INTERFACE_HRN
521 self.timezone_json_dict = {
522 'timezone': None, 'api_timestamp': None, }
523 #self.jobs_json_dict = {
524 #'total' : None, 'links' : [],\
525 #'offset':None , 'items' : [], }
526 #self.jobs_table_json_dict = self.jobs_json_dict
527 #self.jobs_details_json_dict = self.jobs_json_dict
529 self.node_dictlist = {}
531 self.json_page = JsonPage()
532 self.parsing_resourcesfull = ParsingResourcesFull()
535 self.SendRequest("GET_version")
538 def ParseVersion(self):
539 """Parses the OAR answer to the GET_version ( /oarapi/version.json.)
541 Finds the OAR apilib version currently used. Has an impact on the json
542 structure returned by OAR, so the version has to be known before trying
543 to parse the jsons returned after a get request has been issued.
544 Updates the attribute version_json_dict.
548 if 'oar_version' in self.json_page.raw_json:
549 self.version_json_dict.update(
550 api_version=self.json_page.raw_json['api_version'],
551 apilib_version=self.json_page.raw_json['apilib_version'],
552 api_timezone=self.json_page.raw_json['api_timezone'],
553 api_timestamp=self.json_page.raw_json['api_timestamp'],
554 oar_version=self.json_page.raw_json['oar_version'])
556 self.version_json_dict.update(
557 api_version=self.json_page.raw_json['api'],
558 apilib_version=self.json_page.raw_json['apilib'],
559 api_timezone=self.json_page.raw_json['api_timezone'],
560 api_timestamp=self.json_page.raw_json['api_timestamp'],
561 oar_version=self.json_page.raw_json['oar'])
563 print self.version_json_dict['apilib_version']
566 def ParseTimezone(self):
567 """Get the timezone used by OAR.
569 Get the timezone from the answer to the GET_timezone request.
570 :return: api_timestamp and api timezone.
571 :rype: integer, integer
575 api_timestamp = self.json_page.raw_json['api_timestamp']
576 api_tz = self.json_page.raw_json['timezone']
577 return api_timestamp, api_tz
580 """Called when a GET_jobs request has been issued to OAR.
582 Corresponds to /oarapi/jobs.json uri. Currently returns the raw json
584 :returns: json_page.raw_json
587 .. warning:: Does not actually parse the information in the json. SA
593 return self.json_page.raw_json
595 def ParseJobsTable(self):
596 """In case we need to use the job table in the future.
598 Associated with the GET_jobs_table : '/oarapi/jobs/table.json uri.
599 .. warning:: NOT USED. DOES NOTHING.
601 print "ParseJobsTable"
603 def ParseJobsDetails(self):
604 """Currently only returns the same json in self.json_page.raw_json.
606 .. todo:: actually parse the json
607 .. warning:: currently, this function is not used a lot, so I have no
608 idea what could be useful to parse, returning the full json. NT
611 #logger.debug("ParseJobsDetails %s " %(self.json_page.raw_json))
612 return self.json_page.raw_json
615 def ParseJobsIds(self):
616 """Associated with the GET_jobs_id OAR request.
618 Parses the json dict (OAR answer) to the GET_jobs_id request
619 /oarapi/jobs/id.json.
622 :returns: dictionary whose keys are listed in the local variable
623 job_resources and values that are in the json dictionary returned
624 by OAR with the job information.
628 job_resources = ['wanted_resources', 'name', 'id', 'start_time',
629 'state', 'owner', 'walltime', 'message']
631 # Unused variable providing the contents of the json dict returned from
632 # get job resources full request
633 job_resources_full = [
634 'launching_directory', 'links',
635 'resubmit_job_id', 'owner', 'events', 'message',
636 'scheduled_start', 'id', 'array_id', 'exit_code',
637 'properties', 'state', 'array_index', 'walltime',
638 'type', 'initial_request', 'stop_time', 'project',
639 'start_time', 'dependencies', 'api_timestamp', 'submission_time',
640 'reservation', 'stdout_file', 'types', 'cpuset_name',
641 'name', 'wanted_resources', 'queue', 'stderr_file', 'command']
644 job_info = self.json_page.raw_json
645 #logger.debug("OARESTAPI ParseJobsIds %s" %(self.json_page.raw_json))
648 for k in job_resources:
649 values.append(job_info[k])
650 return dict(zip(job_resources, values))
653 logger.log_exc("ParseJobsIds KeyError ")
656 def ParseJobsIdResources(self):
657 """ Parses the json produced by the request
658 /oarapi/jobs/id/resources.json.
659 Returns a list of oar node ids that are scheduled for the
664 for resource in self.json_page.raw_json['items']:
665 job_resources.append(resource['id'])
669 def ParseResources(self):
670 """ Parses the json produced by a get_resources request on oar."""
672 #logger.debug("OARESTAPI \tParseResources " )
673 #resources are listed inside the 'items' list from the json
674 self.json_page.raw_json = self.json_page.raw_json['items']
677 def ParseReservedNodes(self):
678 """ Returns an array containing the list of the jobs scheduled
679 with the reserved nodes if available.
681 :returns: list of job dicts, each dict containing the following keys:
682 t_from, t_until, resources_ids (of the reserved nodes for this job).
683 If the information is not available, default values will be set for
684 these keys. The other keys are : state, lease_id and user.
689 #resources are listed inside the 'items' list from the json
690 reservation_list = []
692 #Parse resources info
693 for json_element in self.json_page.raw_json['items']:
694 #In case it is a real reservation (not asap case)
695 if json_element['scheduled_start']:
696 job['t_from'] = json_element['scheduled_start']
697 job['t_until'] = int(json_element['scheduled_start']) + \
698 int(json_element['walltime'])
699 #Get resources id list for the job
700 job['resource_ids'] = [node_dict['id'] for node_dict
701 in json_element['resources']]
703 job['t_from'] = "As soon as possible"
704 job['t_until'] = "As soon as possible"
705 job['resource_ids'] = ["Undefined"]
707 job['state'] = json_element['state']
708 job['lease_id'] = json_element['id']
710 job['user'] = json_element['owner']
711 #logger.debug("OARRestapi \tParseReservedNodes job %s" %(job))
712 reservation_list.append(job)
715 return reservation_list
717 def ParseRunningJobs(self):
718 """ Gets the list of nodes currently in use from the attributes of the
721 :returns: list of hostnames, the nodes that are currently involved in
727 logger.debug("OARESTAPI \tParseRunningJobs_________________ ")
728 #resources are listed inside the 'items' list from the json
730 for job in self.json_page.raw_json['items']:
731 for node in job['nodes']:
732 nodes.append(node['network_address'])
735 def ChangeRawJsonDependingOnApilibVersion(self):
737 Check if the OAR apilib version is different from 0.2.10, in which case
738 the Json answer is also dict instead as a plain list.
740 .. warning:: the whole code is assuming the json contains a 'items' key
741 .. seealso:: ConcatenateJsonPages, ParseJobs, ParseReservedNodes,
742 ParseJobsIdResources, ParseResources, ParseRunningJobs
743 .. todo:: Clean the whole code. Either suppose the apilib will always
744 provide the 'items' key, or handle different options.
747 if self.version_json_dict['apilib_version'] != "0.2.10":
748 self.json_page.raw_json = self.json_page.raw_json['items']
750 def ParseDeleteJobs(self):
751 """ No need to parse anything in this function.A POST
752 is done to delete the job.
757 def ParseResourcesFull(self):
758 """ This method is responsible for parsing all the attributes
759 of all the nodes returned by OAR when issuing a get resources full.
760 The information from the nodes and the sites are separated.
761 Updates the node_dictlist so that the dictionnary of the platform's
762 nodes is available afterwards.
764 :returns: node_dictlist, a list of dictionaries about the nodes and
769 logger.debug("OARRESTAPI ParseResourcesFull___________ ")
770 #print self.json_page.raw_json[1]
771 #resources are listed inside the 'items' list from the json
772 self.ChangeRawJsonDependingOnApilibVersion()
775 return self.node_dictlist
777 def ParseResourcesFullSites(self):
778 """ Called by GetSites which is unused.
779 Originally used to get information from the sites, with for each site
780 the list of nodes it has, along with their properties.
782 :return: site_dict, dictionary of sites
786 .. seealso:: GetSites (IotlabTestbedAPI)
789 self.ChangeRawJsonDependingOnApilibVersion()
792 return self.site_dict
795 def ParseNodes(self):
796 """ Parse nodes properties from OAR
797 Put them into a dictionary with key = node id and value is a dictionary
798 of the node properties and properties'values.
802 _resources_fulljson_dict = \
803 self.parsing_resourcesfull.resources_fulljson_dict
804 keys = _resources_fulljson_dict.keys()
807 for dictline in self.json_page.raw_json:
809 # dictionary is empty and/or a new node has to be inserted
810 node_id = _resources_fulljson_dict['network_address'](
811 self.node_dictlist, dictline['network_address'])
814 if k == 'network_address':
817 _resources_fulljson_dict[k](
818 self.node_dictlist[node_id], dictline[k])
820 #The last property has been inserted in the property tuple list,
822 #Turn the property tuple list (=dict value) into a dictionary
823 self.node_dictlist[node_id] = dict(self.node_dictlist[node_id])
827 def iotlab_hostname_to_hrn(root_auth, hostname):
829 Transforms a node hostname into a SFA hrn.
831 :param root_auth: Name of the root authority of the SFA server. In
832 our case, it is set to iotlab.
833 :param hostname: node's hotname, given by OAR.
834 :type root_auth: string
835 :type hostname: string
836 :returns: inserts the root_auth and '.' before the hostname.
840 return root_auth + '.' + hostname
842 def ParseSites(self):
843 """ Returns a list of dictionnaries containing the sites' attributes."""
847 #logger.debug(" OARrestapi.py \tParseSites self.node_dictlist %s"\
848 #%(self.node_dictlist))
849 # Create a list of nodes per site_id
850 for node_id in self.node_dictlist:
851 node = self.node_dictlist[node_id]
853 if node['site'] not in nodes_per_site:
854 nodes_per_site[node['site']] = []
855 nodes_per_site[node['site']].append(node['node_id'])
857 if node['node_id'] not in nodes_per_site[node['site']]:
858 nodes_per_site[node['site']].append(node['node_id'])
860 #Create a site dictionary whose key is site_login_base
861 # (name of the site) and value is a dictionary of properties,
862 # including the list of the node_ids
863 for node_id in self.node_dictlist:
864 node = self.node_dictlist[node_id]
865 node.update({'hrn': self.iotlab_hostname_to_hrn(self.interface_hrn,
867 self.node_dictlist.update({node_id: node})
869 if node['site'] not in self.site_dict:
870 self.site_dict[node['site']] = {
871 'site': node['site'],
872 'node_ids': nodes_per_site[node['site']],
873 'latitude': "48.83726",
874 'longitude': "- 2.10336",
875 'name': config.SFA_REGISTRY_ROOT_AUTH,
876 'pcu_ids': [], 'max_slices': None,
877 'ext_consortium_id': None,
878 'max_slivers': None, 'is_public': True,
879 'peer_site_id': None,
880 'abbreviated_name': "iotlab", 'address_ids': [],
881 'url': "https://portal.senslab.info", 'person_ids': [],
882 'site_tag_ids': [], 'enabled': True, 'slice_ids': [],
883 'date_created': None, 'peer_id': None
886 OARrequests_uri_dict = {
888 {'uri': '/oarapi/version.json', 'parse_func': ParseVersion},
891 {'uri': '/oarapi/timezone.json', 'parse_func': ParseTimezone},
894 {'uri': '/oarapi/jobs.json', 'parse_func': ParseJobs},
897 {'uri': '/oarapi/jobs/id.json', 'parse_func': ParseJobsIds},
899 'GET_jobs_id_resources':
900 {'uri': '/oarapi/jobs/id/resources.json',
901 'parse_func': ParseJobsIdResources},
904 {'uri': '/oarapi/jobs/table.json', 'parse_func': ParseJobsTable},
907 {'uri': '/oarapi/jobs/details.json', 'parse_func': ParseJobsDetails},
909 'GET_reserved_nodes':
911 '/oarapi/jobs/details.json?state=Running,Waiting,Launching',
912 'owner': '&user=', 'parse_func': ParseReservedNodes},
915 {'uri': '/oarapi/jobs/details.json?state=Running',
916 'parse_func': ParseRunningJobs},
918 'GET_resources_full':
919 {'uri': '/oarapi/resources/full.json',
920 'parse_func': ParseResourcesFull},
923 {'uri': '/oarapi/resources/full.json',
924 'parse_func': ParseResourcesFullSites},
927 {'uri': '/oarapi/resources.json', 'parse_func': ParseResources},
930 {'uri': '/oarapi/jobs/id.json', 'parse_func': ParseDeleteJobs}}
933 def SendRequest(self, request, strval=None, username=None):
934 """ Connects to OAR , sends the valid GET requests and uses
935 the appropriate json parsing functions.
937 :returns: calls to the appropriate parsing function, associated with the
939 :rtype: depends on the parsing function called.
941 .. seealso:: OARrequests_uri_dict
945 self.json_page.ResetNextPage()
948 if request in self.OARrequests_uri_dict:
949 while self.json_page.next_page:
950 self.json_page.raw_json = self.server.GETRequestToOARRestAPI(
953 self.json_page.next_offset,
955 self.json_page.FindNextPage()
956 if self.json_page.concatenate:
957 save_json.append(self.json_page.raw_json)
959 if self.json_page.concatenate and self.json_page.end:
960 self.json_page.raw_json = \
961 self.json_page.ConcatenateJsonPages(save_json)
963 return self.OARrequests_uri_dict[request]['parse_func'](self)
965 logger.error("OARRESTAPI OARGetParse __init__ : ERROR_REQUEST "