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(('posx', value))
167 def AddPosY(tuplelist, value):
168 tuplelist.append(('posy', value))
170 def AddBootState(tuplelist, value):
171 tuplelist.append(('boot_state', str(value)))
173 #Insert a new node into the dictnode dictionary
174 def AddNodeId(dictnode, value):
175 #Inserts new key. The value associated is a tuple list
178 dictnode[node_id] = [('node_id', node_id)]
186 resources_fulljson_dict = {
187 'network_address' : AddNodeNetworkAddr,
189 'radio': AddNodeRadio,
190 'mobile': AddMobility,
193 'state':AddBootState,
198 def __init__(self, srv) :
199 self.version_json_dict = {
200 'api_version' : None , 'apilib_version' :None,\
201 'api_timezone': None, 'api_timestamp': None, 'oar_version': None ,}
202 self.config = Config()
203 self.interface_hrn = self.config.SFA_INTERFACE_HRN
204 self.timezone_json_dict = {
205 'timezone': None, 'api_timestamp': None, }
206 self.jobs_json_dict = {
207 'total' : None, 'links' : [],\
208 'offset':None , 'items' : [], }
209 self.jobs_table_json_dict = self.jobs_json_dict
210 self.jobs_details_json_dict = self.jobs_json_dict
212 self.node_dictlist = {}
215 self.SendRequest("GET_version")
221 def ParseVersion(self) :
223 #print >>sys.stderr, self.raw_json
224 if 'oar_version' in self.raw_json :
225 self.version_json_dict.update(api_version = \
226 self.raw_json['api_version'],
227 apilib_version = self.raw_json['apilib_version'],
228 api_timezone = self.raw_json['api_timezone'],
229 api_timestamp = self.raw_json['api_timestamp'],
230 oar_version = self.raw_json['oar_version'] )
232 self.version_json_dict.update(api_version = self.raw_json['api'] ,
233 apilib_version = self.raw_json['apilib'],
234 api_timezone = self.raw_json['api_timezone'],
235 api_timestamp = self.raw_json['api_timestamp'],
236 oar_version = self.raw_json['oar'] )
238 print self.version_json_dict['apilib_version']
241 def ParseTimezone(self) :
242 api_timestamp = self.raw_json['api_timestamp']
243 api_tz = self.raw_json['timezone']
244 return api_timestamp, api_tz
246 def ParseJobs(self) :
251 def ParseJobsTable(self) :
252 print "ParseJobsTable"
254 def ParseJobsDetails (self):
255 # currently, this function is not used a lot,
256 #so i have no idea what be usefull to parse,
257 #returning the full json. NT
258 logger.debug("ParseJobsDetails %s " %(self.raw_json))
262 def ParseJobsIds(self):
264 job_resources = ['wanted_resources', 'name', 'id', 'start_time', \
265 'state','owner','walltime','message']
268 job_resources_full = ['launching_directory', 'links', \
269 'resubmit_job_id', 'owner', 'events', 'message', \
270 'scheduled_start', 'id', 'array_id', 'exit_code', \
271 'properties', 'state','array_index', 'walltime', \
272 'type', 'initial_request', 'stop_time', 'project',\
273 'start_time', 'dependencies','api_timestamp','submission_time', \
274 'reservation', 'stdout_file', 'types', 'cpuset_name', \
275 'name', 'wanted_resources','queue','stderr_file','command']
278 job_info = self.raw_json
279 logger.debug("OARESTAPI ParseJobsIds %s" %(self.raw_json))
282 for k in job_resources:
283 values.append(job_info[k])
284 return dict(zip(job_resources, values))
287 logger.log_exc("ParseJobsIds KeyError ")
290 def ParseJobsIdResources(self):
291 """ BROKEN since oar 2.5
292 Parses the json produced by the request
293 /oarapi/jobs/id/resources.json.
294 Returns a list of oar node ids that are scheduled for the
299 for resource in self.raw_json['items']:
300 job_resources.append(resource['id'])
302 logger.debug("OARESTAPI \tParseJobsIdResources %s" %(self.raw_json))
305 def ParseResources(self) :
306 """ Parses the json produced by a get_resources request on oar."""
308 logger.debug("OARESTAPI \tParseResources " )
309 #resources are listed inside the 'items' list from the json
310 self.raw_json = self.raw_json['items']
313 def ParseReservedNodes(self):
314 """ Returns an array containing the list of the reserved nodes """
316 #resources are listed inside the 'items' list from the json
317 reservation_list = []
318 print "ParseReservedNodes_%s" %(self.raw_json['items'])
320 #Parse resources info
321 for json_element in self.raw_json['items']:
322 job['t_from'] = json_element['scheduled_start']
323 #Get resources id list for the job
324 job['resource_ids'] = \
325 [ node_dict['id'] for node_dict in json_element['resources'] ]
327 job['state'] = json_element['state']
328 job['lease_id'] = json_element['id']
329 job['t_until'] = json_element['scheduled_start'] + \
330 json_element['walltime']
331 job['user'] = json_element['owner']
332 logger.debug("ParseReservedNodes________job %s" %(job))
333 reservation_list.append(job)
336 return reservation_list
338 def ParseRunningJobs(self):
339 """ Gets the list of nodes currently in use from the attributes of the
343 logger.debug("OARESTAPI \tParseRunningJobs__________________________ ")
344 #resources are listed inside the 'items' list from the json
346 for job in self.raw_json['items']:
347 for node in job['nodes']:
348 nodes.append(node['network_address'])
353 def ParseDeleteJobs(self):
354 """ No need to parse anything in this function.A POST
355 is done to delete the job.
360 def ParseResourcesFull(self) :
361 """ This method is responsible for parsing all the attributes
362 of all the nodes returned by OAR when issuing a get resources full.
363 The information from the nodes and the sites are separated.
364 Updates the node_dictlist so that the dictionnary of the platform's
365 nodes is available afterwards.
368 logger.debug("OARRESTAPI ParseResourcesFull________________________ ")
369 #print self.raw_json[1]
370 #resources are listed inside the 'items' list from the json
371 if self.version_json_dict['apilib_version'] != "0.2.10" :
372 self.raw_json = self.raw_json['items']
375 return self.node_dictlist
377 def ParseResourcesFullSites(self) :
378 """ UNUSED. Originally used to get information from the sites.
379 ParseResourcesFull is used instead.
382 if self.version_json_dict['apilib_version'] != "0.2.10" :
383 self.raw_json = self.raw_json['items']
386 return self.site_dict
390 def ParseNodes(self):
391 """ Parse nodes properties from OAR
392 Put them into a dictionary with key = node id and value is a dictionary
393 of the node properties and properties'values.
397 keys = self.resources_fulljson_dict.keys()
400 for dictline in self.raw_json:
402 # dictionary is empty and/or a new node has to be inserted
403 node_id = self.resources_fulljson_dict['network_address'](\
404 self.node_dictlist, dictline['network_address'])
407 if k == 'network_address':
410 self.resources_fulljson_dict[k](\
411 self.node_dictlist[node_id], dictline[k])
413 #The last property has been inserted in the property tuple list,
415 #Turn the property tuple list (=dict value) into a dictionary
416 self.node_dictlist[node_id] = dict(self.node_dictlist[node_id])
420 def hostname_to_hrn(self, root_auth, login_base, hostname):
421 return PlXrn(auth = root_auth, \
422 hostname = login_base + '_' + hostname).get_hrn()
425 def ParseSites(self):
426 """ Returns a list of dictionnaries containing the sites' attributes."""
430 logger.debug(" OARrestapi.py \tParseSites self.node_dictlist %s"\
431 %(self.node_dictlist))
432 # Create a list of nodes per site_id
433 for node_id in self.node_dictlist.keys():
434 node = self.node_dictlist[node_id]
436 if node['site'] not in nodes_per_site:
437 nodes_per_site[node['site']] = []
438 nodes_per_site[node['site']].append(node['node_id'])
440 if node['node_id'] not in nodes_per_site[node['site']]:
441 nodes_per_site[node['site']].append(node['node_id'])
443 #Create a site dictionary with key is site_login_base (name of the site)
444 # and value is a dictionary of properties, including the list
446 for node_id in self.node_dictlist.keys():
447 node = self.node_dictlist[node_id]
448 node.update({'hrn':self.hostname_to_hrn(self.interface_hrn, \
449 node['site'],node['hostname'])})
451 self.node_dictlist.update({node_id:node})
453 if node['site'] not in self.site_dict:
454 self.site_dict[node['site']] = {
456 'node_ids':nodes_per_site[node['site']],
457 'latitude':"48.83726",
458 'longitude':"- 2.10336",'name':config.SFA_REGISTRY_ROOT_AUTH,
459 'pcu_ids':[], 'max_slices':None, 'ext_consortium_id':None,
460 'max_slivers':None, 'is_public':True, 'peer_site_id': None,
461 'abbreviated_name':"senslab", 'address_ids': [],
462 'url':"http,//www.senslab.info", 'person_ids':[],
463 'site_tag_ids':[], 'enabled': True, 'slice_ids':[],
464 'date_created': None, 'peer_id': None }
465 #if node['site_login_base'] not in self.site_dict.keys():
466 #self.site_dict[node['site_login_base']] = {'login_base':node['site_login_base'],
467 #'node_ids':nodes_per_site[node['site_login_base']],
468 #'latitude':"48.83726",
469 #'longitude':"- 2.10336",'name':"senslab",
470 #'pcu_ids':[], 'max_slices':None, 'ext_consortium_id':None,
471 #'max_slivers':None, 'is_public':True, 'peer_site_id': None,
472 #'abbreviated_name':"senslab", 'address_ids': [],
473 #'url':"http,//www.senslab.info", 'person_ids':[],
474 #'site_tag_ids':[], 'enabled': True, 'slice_ids':[],
475 #'date_created': None, 'peer_id': None }
480 OARrequests_uri_dict = {
482 {'uri':'/oarapi/version.json', 'parse_func': ParseVersion},
484 {'uri':'/oarapi/timezone.json' ,'parse_func': ParseTimezone },
486 {'uri':'/oarapi/jobs.json','parse_func': ParseJobs},
488 {'uri':'/oarapi/jobs/id.json','parse_func': ParseJobsIds},
489 'GET_jobs_id_resources':
490 {'uri':'/oarapi/jobs/id/resources.json',\
491 'parse_func': ParseJobsIdResources},
493 {'uri':'/oarapi/jobs/table.json','parse_func': ParseJobsTable},
495 {'uri':'/oarapi/jobs/details.json',\
496 'parse_func': ParseJobsDetails},
497 'GET_reserved_nodes':
499 '/oarapi/jobs/details.json?state=Running,Waiting,Launching',\
500 'parse_func':ParseReservedNodes},
502 {'uri':'/oarapi/jobs/details.json?state=Running',\
503 'parse_func':ParseRunningJobs},
504 'GET_resources_full':
505 {'uri':'/oarapi/resources/full.json',\
506 'parse_func': ParseResourcesFull},
508 {'uri':'/oarapi/resources/full.json',\
509 'parse_func': ParseResourcesFullSites},
511 {'uri':'/oarapi/resources.json' ,'parse_func': ParseResources},
513 {'uri':'/oarapi/jobs/id.json' ,'parse_func': ParseDeleteJobs}
518 def SendRequest(self, request, strval = None , username = None):
519 """ Connects to OAR , sends the valid GET requests and uses
520 the appropriate json parsing functions.
523 if request in self.OARrequests_uri_dict :
524 self.raw_json = self.server.GETRequestToOARRestAPI(request, \
527 return self.OARrequests_uri_dict[request]['parse_func'](self)
529 logger.error("OARRESTAPI OARGetParse __init__ : ERROR_REQUEST " \