2 from httplib import HTTPConnection, HTTPException
5 #from time import gmtime, strftime
9 from sfa.util.config import Config
10 from sfa.planetlab.plxrn import PlXrn
11 #from sfa.util.xrn import hrn_to_urn, get_authority, Xrn, get_leaf
13 from sfa.util.sfalogging import logger
16 OARIP = '194.199.16.161'
18 OAR_REQUEST_POST_URI_DICT = {'POST_job':{'uri': '/oarapi/jobs.json'},
19 'DELETE_jobs_id':{'uri':'/oarapi/jobs/id.json'},
22 POST_FORMAT = {'json' : {'content':"application/json", 'object':json},}
24 #OARpostdatareqfields = {'resource' :"/nodes=", 'command':"sleep", \
25 #'workdir':"/home/", 'walltime':""}
34 self.oarserver['ip'] = OARIP
35 self.oarserver['port'] = 8800
36 self.oarserver['uri'] = None
37 self.oarserver['postformat'] = 'json'
38 #logger.setLevelDebug()
40 self.jobstates = ['Terminated', 'Hold', 'Waiting', 'toLaunch', \
41 'toError', 'toAckReservation', 'Launching', \
42 'Finishing', 'Running', 'Suspended', 'Resuming',\
45 self.parser = OARGETParser(self)
48 def GETRequestToOARRestAPI(self, request, strval=None , username = None ):
49 self.oarserver['uri'] = \
50 OARGETParser.OARrequests_uri_dict[request]['uri']
53 logger.debug("OARrestapi \tGETRequestToOARRestAPI %s" %(request))
55 self.oarserver['uri'] = self.oarserver['uri'].\
56 replace("id",str(strval))
57 logger.debug("OARrestapi: \t GETRequestToOARRestAPI \
58 self.oarserver['uri'] %s strval %s" \
59 %(self.oarserver['uri'], strval))
61 headers['X-REMOTE_IDENT'] = username
63 #seems that it does not work if we don't add this
64 headers['content-length'] = '0'
66 conn = HTTPConnection(self.oarserver['ip'], \
67 self.oarserver['port'])
68 conn.request("GET", self.oarserver['uri'], data, headers)
69 resp = ( conn.getresponse()).read()
71 except HTTPException, error :
72 logger.log_exc("GET_OAR_SRVR : Problem with OAR server : %s " \
74 #raise ServerError("GET_OAR_SRVR : Could not reach OARserver")
76 js_dict = json.loads(resp)
79 except ValueError, error:
80 logger.log_exc("Failed to parse Server Response: %s ERROR %s"\
82 #raise ServerError("Failed to parse Server Response:" + js)
85 def POSTRequestToOARRestAPI(self, request, datadict, username=None):
86 """ Used to post a job on OAR , along with data associated
91 #first check that all params for are OK
93 self.oarserver['uri'] = OAR_REQUEST_POST_URI_DICT[request]['uri']
96 logger.log_exc("OARrestapi \tPOSTRequestToOARRestAPI request not \
100 if datadict and 'strval' in datadict:
101 self.oarserver['uri'] = self.oarserver['uri'].replace("id", \
102 str(datadict['strval']))
103 del datadict['strval']
105 #logger.log_exc("OARrestapi.py POSTRequestToOARRestAPI Error")
108 data = json.dumps(datadict)
109 headers = {'X-REMOTE_IDENT':username, \
110 'content-type': POST_FORMAT['json']['content'], \
111 'content-length':str(len(data))}
114 conn = HTTPConnection(self.oarserver['ip'], \
115 self.oarserver['port'])
116 conn.request("POST", self.oarserver['uri'], data, headers)
117 resp = (conn.getresponse()).read()
120 logger.log_exc("POSTRequestToOARRestAPI NotConnected ERROR: \
121 data %s \r\n \t\n \t\t headers %s uri %s" \
122 %(data,headers,self.oarserver['uri']))
124 #raise ServerError("POST_OAR_SRVR : error")
127 answer = json.loads(resp)
128 logger.debug("POSTRequestToOARRestAPI : answer %s" %(answer))
131 except ValueError, error:
132 logger.log_exc("Failed to parse Server Response: error %s answer \
133 %s" %(error, answer))
134 #raise ServerError("Failed to parse Server Response:" + answer)
138 def AddOarNodeId(tuplelist, value):
139 """ Adds Oar internal node id to the nodes attributes """
141 tuplelist.append(('oar_id', int(value)))
144 def AddNodeNetworkAddr(dictnode, value):
145 #Inserts new key. The value associated is a tuple list
148 dictnode[node_id] = [('node_id', node_id),('hostname', node_id) ]
152 def AddNodeSite(tuplelist, value):
153 tuplelist.append(('site', str(value)))
155 def AddNodeRadio(tuplelist, value):
156 tuplelist.append(('radio', str(value)))
159 def AddMobility(tuplelist, value):
161 tuplelist.append(('mobile', int(value)))
163 def AddPosX(tuplelist, value):
164 tuplelist.append(('x', value))
166 def AddPosY(tuplelist, value):
167 tuplelist.append(('y', value))
169 def AddPosZ(tuplelist, value):
170 tuplelist.append(('z', value))
172 def AddBootState(tuplelist, value):
173 tuplelist.append(('boot_state', str(value)))
175 #Insert a new node into the dictnode dictionary
176 def AddNodeId(dictnode, value):
177 #Inserts new key. The value associated is a tuple list
180 dictnode[node_id] = [('node_id', node_id)]
183 def AddHardwareType(tuplelist, value):
184 value_list = value.split(':')
185 tuplelist.append(('archi', value_list[0]))
186 tuplelist.append(('radio', value_list[1]))
190 resources_fulljson_dict = {
191 'network_address' : AddNodeNetworkAddr,
193 'radio': AddNodeRadio,
194 'mobile': AddMobility,
198 'archi':AddHardwareType,
199 'state':AddBootState,
204 def __init__(self, srv) :
205 self.version_json_dict = {
206 'api_version' : None , 'apilib_version' :None,\
207 'api_timezone': None, 'api_timestamp': None, 'oar_version': None ,}
208 self.config = Config()
209 self.interface_hrn = self.config.SFA_INTERFACE_HRN
210 self.timezone_json_dict = {
211 'timezone': None, 'api_timestamp': None, }
212 self.jobs_json_dict = {
213 'total' : None, 'links' : [],\
214 'offset':None , 'items' : [], }
215 self.jobs_table_json_dict = self.jobs_json_dict
216 self.jobs_details_json_dict = self.jobs_json_dict
218 self.node_dictlist = {}
221 self.SendRequest("GET_version")
227 def ParseVersion(self) :
229 #print >>sys.stderr, self.raw_json
230 if 'oar_version' in self.raw_json :
231 self.version_json_dict.update(api_version = \
232 self.raw_json['api_version'],
233 apilib_version = self.raw_json['apilib_version'],
234 api_timezone = self.raw_json['api_timezone'],
235 api_timestamp = self.raw_json['api_timestamp'],
236 oar_version = self.raw_json['oar_version'] )
238 self.version_json_dict.update(api_version = self.raw_json['api'] ,
239 apilib_version = self.raw_json['apilib'],
240 api_timezone = self.raw_json['api_timezone'],
241 api_timestamp = self.raw_json['api_timestamp'],
242 oar_version = self.raw_json['oar'] )
244 print self.version_json_dict['apilib_version']
247 def ParseTimezone(self) :
248 api_timestamp = self.raw_json['api_timestamp']
249 api_tz = self.raw_json['timezone']
250 return api_timestamp, api_tz
252 def ParseJobs(self) :
257 def ParseJobsTable(self) :
258 print "ParseJobsTable"
260 def ParseJobsDetails (self):
261 # currently, this function is not used a lot,
262 #so i have no idea what be usefull to parse,
263 #returning the full json. NT
264 logger.debug("ParseJobsDetails %s " %(self.raw_json))
268 def ParseJobsIds(self):
270 job_resources = ['wanted_resources', 'name', 'id', 'start_time', \
271 'state','owner','walltime','message']
274 job_resources_full = ['launching_directory', 'links', \
275 'resubmit_job_id', 'owner', 'events', 'message', \
276 'scheduled_start', 'id', 'array_id', 'exit_code', \
277 'properties', 'state','array_index', 'walltime', \
278 'type', 'initial_request', 'stop_time', 'project',\
279 'start_time', 'dependencies','api_timestamp','submission_time', \
280 'reservation', 'stdout_file', 'types', 'cpuset_name', \
281 'name', 'wanted_resources','queue','stderr_file','command']
284 job_info = self.raw_json
285 logger.debug("OARESTAPI ParseJobsIds %s" %(self.raw_json))
288 for k in job_resources:
289 values.append(job_info[k])
290 return dict(zip(job_resources, values))
293 logger.log_exc("ParseJobsIds KeyError ")
296 def ParseJobsIdResources(self):
297 """ Parses the json produced by the request
298 /oarapi/jobs/id/resources.json.
299 Returns a list of oar node ids that are scheduled for the
304 for resource in self.raw_json['items']:
305 job_resources.append(resource['id'])
307 logger.debug("OARESTAPI \tParseJobsIdResources %s" %(self.raw_json))
310 def ParseResources(self) :
311 """ Parses the json produced by a get_resources request on oar."""
313 logger.debug("OARESTAPI \tParseResources " )
314 #resources are listed inside the 'items' list from the json
315 self.raw_json = self.raw_json['items']
318 def ParseReservedNodes(self):
319 """ Returns an array containing the list of the reserved nodes """
321 #resources are listed inside the 'items' list from the json
322 reservation_list = []
323 print "ParseReservedNodes_%s" %(self.raw_json['items'])
325 #Parse resources info
326 for json_element in self.raw_json['items']:
327 job['t_from'] = json_element['scheduled_start']
328 #Get resources id list for the job
329 job['resource_ids'] = \
330 [ node_dict['id'] for node_dict in json_element['resources'] ]
332 job['state'] = json_element['state']
333 job['lease_id'] = json_element['id']
334 job['t_until'] = json_element['scheduled_start'] + \
335 json_element['walltime']
336 job['user'] = json_element['owner']
337 logger.debug("OARRestapi \tParseReservedNodes job %s" %(job))
338 reservation_list.append(job)
341 return reservation_list
343 def ParseRunningJobs(self):
344 """ Gets the list of nodes currently in use from the attributes of the
348 logger.debug("OARESTAPI \tParseRunningJobs__________________________ ")
349 #resources are listed inside the 'items' list from the json
351 for job in self.raw_json['items']:
352 for node in job['nodes']:
353 nodes.append(node['network_address'])
358 def ParseDeleteJobs(self):
359 """ No need to parse anything in this function.A POST
360 is done to delete the job.
365 def ParseResourcesFull(self) :
366 """ This method is responsible for parsing all the attributes
367 of all the nodes returned by OAR when issuing a get resources full.
368 The information from the nodes and the sites are separated.
369 Updates the node_dictlist so that the dictionnary of the platform's
370 nodes is available afterwards.
373 logger.debug("OARRESTAPI ParseResourcesFull________________________ ")
374 #print self.raw_json[1]
375 #resources are listed inside the 'items' list from the json
376 if self.version_json_dict['apilib_version'] != "0.2.10" :
377 self.raw_json = self.raw_json['items']
380 return self.node_dictlist
382 def ParseResourcesFullSites(self) :
383 """ UNUSED. Originally used to get information from the sites.
384 ParseResourcesFull is used instead.
387 if self.version_json_dict['apilib_version'] != "0.2.10" :
388 self.raw_json = self.raw_json['items']
391 return self.site_dict
395 def ParseNodes(self):
396 """ Parse nodes properties from OAR
397 Put them into a dictionary with key = node id and value is a dictionary
398 of the node properties and properties'values.
402 keys = self.resources_fulljson_dict.keys()
405 for dictline in self.raw_json:
407 # dictionary is empty and/or a new node has to be inserted
408 node_id = self.resources_fulljson_dict['network_address'](\
409 self.node_dictlist, dictline['network_address'])
412 if k == 'network_address':
415 self.resources_fulljson_dict[k](\
416 self.node_dictlist[node_id], dictline[k])
418 #The last property has been inserted in the property tuple list,
420 #Turn the property tuple list (=dict value) into a dictionary
421 self.node_dictlist[node_id] = dict(self.node_dictlist[node_id])
425 def hostname_to_hrn(self, root_auth, login_base, hostname):
426 return PlXrn(auth = root_auth, \
427 hostname = login_base + '_' + hostname).get_hrn()
430 def ParseSites(self):
431 """ Returns a list of dictionnaries containing the sites' attributes."""
435 logger.debug(" OARrestapi.py \tParseSites self.node_dictlist %s"\
436 %(self.node_dictlist))
437 # Create a list of nodes per site_id
438 for node_id in self.node_dictlist.keys():
439 node = self.node_dictlist[node_id]
441 if node['site'] not in nodes_per_site:
442 nodes_per_site[node['site']] = []
443 nodes_per_site[node['site']].append(node['node_id'])
445 if node['node_id'] not in nodes_per_site[node['site']]:
446 nodes_per_site[node['site']].append(node['node_id'])
448 #Create a site dictionary with key is site_login_base (name of the site)
449 # and value is a dictionary of properties, including the list
451 for node_id in self.node_dictlist.keys():
452 node = self.node_dictlist[node_id]
453 node.update({'hrn':self.hostname_to_hrn(self.interface_hrn, \
454 node['site'],node['hostname'])})
456 self.node_dictlist.update({node_id:node})
458 if node['site'] not in self.site_dict:
459 self.site_dict[node['site']] = {
461 'node_ids':nodes_per_site[node['site']],
462 'latitude':"48.83726",
463 'longitude':"- 2.10336",'name':config.SFA_REGISTRY_ROOT_AUTH,
464 'pcu_ids':[], 'max_slices':None, 'ext_consortium_id':None,
465 'max_slivers':None, 'is_public':True, 'peer_site_id': None,
466 'abbreviated_name':"senslab", 'address_ids': [],
467 'url':"http,//www.senslab.info", 'person_ids':[],
468 'site_tag_ids':[], 'enabled': True, 'slice_ids':[],
469 'date_created': None, 'peer_id': None }
470 #if node['site_login_base'] not in self.site_dict.keys():
471 #self.site_dict[node['site_login_base']] = {'login_base':node['site_login_base'],
472 #'node_ids':nodes_per_site[node['site_login_base']],
473 #'latitude':"48.83726",
474 #'longitude':"- 2.10336",'name':"senslab",
475 #'pcu_ids':[], 'max_slices':None, 'ext_consortium_id':None,
476 #'max_slivers':None, 'is_public':True, 'peer_site_id': None,
477 #'abbreviated_name':"senslab", 'address_ids': [],
478 #'url':"http,//www.senslab.info", 'person_ids':[],
479 #'site_tag_ids':[], 'enabled': True, 'slice_ids':[],
480 #'date_created': None, 'peer_id': None }
485 OARrequests_uri_dict = {
487 {'uri':'/oarapi/version.json', 'parse_func': ParseVersion},
489 {'uri':'/oarapi/timezone.json' ,'parse_func': ParseTimezone },
491 {'uri':'/oarapi/jobs.json','parse_func': ParseJobs},
493 {'uri':'/oarapi/jobs/id.json','parse_func': ParseJobsIds},
494 'GET_jobs_id_resources':
495 {'uri':'/oarapi/jobs/id/resources.json',\
496 'parse_func': ParseJobsIdResources},
498 {'uri':'/oarapi/jobs/table.json','parse_func': ParseJobsTable},
500 {'uri':'/oarapi/jobs/details.json',\
501 'parse_func': ParseJobsDetails},
502 'GET_reserved_nodes':
504 '/oarapi/jobs/details.json?state=Running,Waiting,Launching',\
505 'parse_func':ParseReservedNodes},
507 {'uri':'/oarapi/jobs/details.json?state=Running',\
508 'parse_func':ParseRunningJobs},
509 'GET_resources_full':
510 {'uri':'/oarapi/resources/full.json',\
511 'parse_func': ParseResourcesFull},
513 {'uri':'/oarapi/resources/full.json',\
514 'parse_func': ParseResourcesFullSites},
516 {'uri':'/oarapi/resources.json' ,'parse_func': ParseResources},
518 {'uri':'/oarapi/jobs/id.json' ,'parse_func': ParseDeleteJobs}
523 def SendRequest(self, request, strval = None , username = None):
524 """ Connects to OAR , sends the valid GET requests and uses
525 the appropriate json parsing functions.
528 if request in self.OARrequests_uri_dict :
529 self.raw_json = self.server.GETRequestToOARRestAPI(request, \
532 return self.OARrequests_uri_dict[request]['parse_func'](self)
534 logger.error("OARRESTAPI OARGetParse __init__ : ERROR_REQUEST " \