2 from httplib import HTTPConnection, HTTPException
5 #from time import gmtime, strftime
9 from sfa.util.config import Config
10 #from sfa.util.xrn import hrn_to_urn, get_authority, Xrn, get_leaf
12 from sfa.util.sfalogging import logger
15 OARIP = '194.199.16.161'
17 OAR_REQUEST_POST_URI_DICT = {'POST_job':{'uri': '/oarapi/jobs.json'},
18 'DELETE_jobs_id':{'uri':'/oarapi/jobs/id.json'},
21 POST_FORMAT = {'json' : {'content':"application/json", 'object':json},}
23 #OARpostdatareqfields = {'resource' :"/nodes=", 'command':"sleep", \
24 #'workdir':"/home/", 'walltime':""}
33 self.oarserver['ip'] = OARIP
34 self.oarserver['port'] = 8800
35 self.oarserver['uri'] = None
36 self.oarserver['postformat'] = 'json'
37 #logger.setLevelDebug()
39 self.jobstates = ['Terminated', 'Hold', 'Waiting', 'toLaunch', \
40 'toError', 'toAckReservation', 'Launching', \
41 'Finishing', 'Running', 'Suspended', 'Resuming',\
44 self.parser = OARGETParser(self)
47 def GETRequestToOARRestAPI(self, request, strval=None , username = None ):
48 self.oarserver['uri'] = \
49 OARGETParser.OARrequests_uri_dict[request]['uri']
52 logger.debug("OARrestapi \tGETRequestToOARRestAPI %s" %(request))
54 self.oarserver['uri'] = self.oarserver['uri'].\
55 replace("id",str(strval))
56 logger.debug("OARrestapi: \t GETRequestToOARRestAPI \
57 self.oarserver['uri'] %s strval %s" \
58 %(self.oarserver['uri'], strval))
60 headers['X-REMOTE_IDENT'] = username
62 #seems that it does not work if we don't add this
63 headers['content-length'] = '0'
65 conn = HTTPConnection(self.oarserver['ip'], \
66 self.oarserver['port'])
67 conn.request("GET", self.oarserver['uri'], data, headers)
68 resp = ( conn.getresponse()).read()
70 except HTTPException, error :
71 logger.log_exc("GET_OAR_SRVR : Problem with OAR server : %s " \
73 #raise ServerError("GET_OAR_SRVR : Could not reach OARserver")
75 js_dict = json.loads(resp)
78 except ValueError, error:
79 logger.log_exc("Failed to parse Server Response: %s ERROR %s"\
81 #raise ServerError("Failed to parse Server Response:" + js)
84 def POSTRequestToOARRestAPI(self, request, datadict, username=None):
85 """ Used to post a job on OAR , along with data associated
90 #first check that all params for are OK
92 self.oarserver['uri'] = OAR_REQUEST_POST_URI_DICT[request]['uri']
95 logger.log_exc("OARrestapi \tPOSTRequestToOARRestAPI request not \
98 if datadict and 'strval' in datadict:
99 self.oarserver['uri'] = self.oarserver['uri'].replace("id", \
100 str(datadict['strval']))
101 del datadict['strval']
103 data = json.dumps(datadict)
104 headers = {'X-REMOTE_IDENT':username, \
105 'content-type': POST_FORMAT['json']['content'], \
106 'content-length':str(len(data))}
109 conn = HTTPConnection(self.oarserver['ip'], \
110 self.oarserver['port'])
111 conn.request("POST", self.oarserver['uri'], data, headers)
112 resp = (conn.getresponse()).read()
115 logger.log_exc("POSTRequestToOARRestAPI NotConnected ERROR: \
116 data %s \r\n \t\n \t\t headers %s uri %s" \
117 %(data,headers,self.oarserver['uri']))
119 #raise ServerError("POST_OAR_SRVR : error")
122 answer = json.loads(resp)
123 logger.debug("POSTRequestToOARRestAPI : answer %s" %(answer))
126 except ValueError, error:
127 logger.log_exc("Failed to parse Server Response: error %s answer \
128 %s" %(error, answer))
129 #raise ServerError("Failed to parse Server Response:" + answer)
133 def AddOarNodeId(tuplelist, value):
134 """ Adds Oar internal node id to the nodes attributes """
136 tuplelist.append(('oar_id', int(value)))
139 def AddNodeNetworkAddr(dictnode, value):
140 #Inserts new key. The value associated is a tuple list
143 dictnode[node_id] = [('node_id', node_id),('hostname', node_id) ]
147 def AddNodeSite(tuplelist, value):
148 tuplelist.append(('site', str(value)))
150 def AddNodeRadio(tuplelist, value):
151 tuplelist.append(('radio', str(value)))
154 def AddMobility(tuplelist, value):
156 tuplelist.append(('mobile', 'False'))
158 tuplelist.append(('mobile', 'True'))
160 def AddPosX(tuplelist, value):
161 tuplelist.append(('posx', value))
163 def AddPosY(tuplelist, value):
164 tuplelist.append(('posy', value))
166 def AddPosZ(tuplelist, value):
167 tuplelist.append(('posz', value))
169 def AddBootState(tuplelist, value):
170 tuplelist.append(('boot_state', str(value)))
172 #Insert a new node into the dictnode dictionary
173 def AddNodeId(dictnode, value):
174 #Inserts new key. The value associated is a tuple list
177 dictnode[node_id] = [('node_id', node_id)]
180 def AddHardwareType(tuplelist, value):
181 value_list = value.split(':')
182 tuplelist.append(('archi', value_list[0]))
183 tuplelist.append(('radio', value_list[1]))
187 resources_fulljson_dict = {
188 'network_address' : AddNodeNetworkAddr,
190 'radio': AddNodeRadio,
191 'mobile': AddMobility,
195 'archi':AddHardwareType,
196 'state':AddBootState,
201 def __init__(self, srv) :
202 self.version_json_dict = {
203 'api_version' : None , 'apilib_version' :None,\
204 'api_timezone': None, 'api_timestamp': None, 'oar_version': None ,}
205 self.config = Config()
206 self.interface_hrn = self.config.SFA_INTERFACE_HRN
207 self.timezone_json_dict = {
208 'timezone': None, 'api_timestamp': None, }
209 self.jobs_json_dict = {
210 'total' : None, 'links' : [],\
211 'offset':None , 'items' : [], }
212 self.jobs_table_json_dict = self.jobs_json_dict
213 self.jobs_details_json_dict = self.jobs_json_dict
215 self.node_dictlist = {}
218 self.SendRequest("GET_version")
224 def ParseVersion(self) :
226 #print >>sys.stderr, self.raw_json
227 if 'oar_version' in self.raw_json :
228 self.version_json_dict.update(api_version = \
229 self.raw_json['api_version'],
230 apilib_version = self.raw_json['apilib_version'],
231 api_timezone = self.raw_json['api_timezone'],
232 api_timestamp = self.raw_json['api_timestamp'],
233 oar_version = self.raw_json['oar_version'] )
235 self.version_json_dict.update(api_version = self.raw_json['api'] ,
236 apilib_version = self.raw_json['apilib'],
237 api_timezone = self.raw_json['api_timezone'],
238 api_timestamp = self.raw_json['api_timestamp'],
239 oar_version = self.raw_json['oar'] )
241 print self.version_json_dict['apilib_version']
244 def ParseTimezone(self) :
245 api_timestamp = self.raw_json['api_timestamp']
246 api_tz = self.raw_json['timezone']
247 return api_timestamp, api_tz
249 def ParseJobs(self) :
254 def ParseJobsTable(self) :
255 print "ParseJobsTable"
257 def ParseJobsDetails (self):
258 # currently, this function is not used a lot,
259 #so i have no idea what be usefull to parse,
260 #returning the full json. NT
261 #logger.debug("ParseJobsDetails %s " %(self.raw_json))
265 def ParseJobsIds(self):
267 job_resources = ['wanted_resources', 'name', 'id', 'start_time', \
268 'state','owner','walltime','message']
271 job_resources_full = ['launching_directory', 'links', \
272 'resubmit_job_id', 'owner', 'events', 'message', \
273 'scheduled_start', 'id', 'array_id', 'exit_code', \
274 'properties', 'state','array_index', 'walltime', \
275 'type', 'initial_request', 'stop_time', 'project',\
276 'start_time', 'dependencies','api_timestamp','submission_time', \
277 'reservation', 'stdout_file', 'types', 'cpuset_name', \
278 'name', 'wanted_resources','queue','stderr_file','command']
281 job_info = self.raw_json
282 #logger.debug("OARESTAPI ParseJobsIds %s" %(self.raw_json))
285 for k in job_resources:
286 values.append(job_info[k])
287 return dict(zip(job_resources, values))
290 logger.log_exc("ParseJobsIds KeyError ")
293 def ParseJobsIdResources(self):
294 """ Parses the json produced by the request
295 /oarapi/jobs/id/resources.json.
296 Returns a list of oar node ids that are scheduled for the
301 for resource in self.raw_json['items']:
302 job_resources.append(resource['id'])
304 #logger.debug("OARESTAPI \tParseJobsIdResources %s" %(self.raw_json))
307 def ParseResources(self) :
308 """ Parses the json produced by a get_resources request on oar."""
310 #logger.debug("OARESTAPI \tParseResources " )
311 #resources are listed inside the 'items' list from the json
312 self.raw_json = self.raw_json['items']
315 def ParseReservedNodes(self):
316 """ Returns an array containing the list of the reserved nodes """
318 #resources are listed inside the 'items' list from the json
319 reservation_list = []
320 print "ParseReservedNodes_%s" %(self.raw_json['items'])
322 #Parse resources info
323 for json_element in self.raw_json['items']:
324 #In case it is a real reservation (not asap case)
325 if json_element['scheduled_start']:
326 job['t_from'] = json_element['scheduled_start']
327 job['t_until'] = int(json_element['scheduled_start']) + \
328 int(json_element['walltime'])
329 #Get resources id list for the job
330 job['resource_ids'] = \
331 [ node_dict['id'] for node_dict in json_element['resources'] ]
333 job['t_from'] = "As soon as possible"
334 job['t_until'] = "As soon as possible"
335 job['resource_ids'] = ["Undefined"]
338 job['state'] = json_element['state']
339 job['lease_id'] = json_element['id']
342 job['user'] = json_element['owner']
343 #logger.debug("OARRestapi \tParseReservedNodes job %s" %(job))
344 reservation_list.append(job)
347 return reservation_list
349 def ParseRunningJobs(self):
350 """ Gets the list of nodes currently in use from the attributes of the
354 logger.debug("OARESTAPI \tParseRunningJobs__________________________ ")
355 #resources are listed inside the 'items' list from the json
357 for job in self.raw_json['items']:
358 for node in job['nodes']:
359 nodes.append(node['network_address'])
364 def ParseDeleteJobs(self):
365 """ No need to parse anything in this function.A POST
366 is done to delete the job.
371 def ParseResourcesFull(self) :
372 """ This method is responsible for parsing all the attributes
373 of all the nodes returned by OAR when issuing a get resources full.
374 The information from the nodes and the sites are separated.
375 Updates the node_dictlist so that the dictionnary of the platform's
376 nodes is available afterwards.
379 logger.debug("OARRESTAPI ParseResourcesFull________________________ ")
380 #print self.raw_json[1]
381 #resources are listed inside the 'items' list from the json
382 if self.version_json_dict['apilib_version'] != "0.2.10" :
383 self.raw_json = self.raw_json['items']
386 return self.node_dictlist
388 def ParseResourcesFullSites(self) :
389 """ UNUSED. Originally used to get information from the sites.
390 ParseResourcesFull is used instead.
393 if self.version_json_dict['apilib_version'] != "0.2.10" :
394 self.raw_json = self.raw_json['items']
397 return self.site_dict
401 def ParseNodes(self):
402 """ Parse nodes properties from OAR
403 Put them into a dictionary with key = node id and value is a dictionary
404 of the node properties and properties'values.
408 keys = self.resources_fulljson_dict.keys()
411 for dictline in self.raw_json:
413 # dictionary is empty and/or a new node has to be inserted
414 node_id = self.resources_fulljson_dict['network_address'](\
415 self.node_dictlist, dictline['network_address'])
418 if k == 'network_address':
421 self.resources_fulljson_dict[k](\
422 self.node_dictlist[node_id], dictline[k])
424 #The last property has been inserted in the property tuple list,
426 #Turn the property tuple list (=dict value) into a dictionary
427 self.node_dictlist[node_id] = dict(self.node_dictlist[node_id])
430 def slab_hostname_to_hrn(self, root_auth, hostname):
431 return root_auth + '.'+ hostname
435 def ParseSites(self):
436 """ Returns a list of dictionnaries containing the sites' attributes."""
440 #logger.debug(" OARrestapi.py \tParseSites self.node_dictlist %s"\
441 #%(self.node_dictlist))
442 # Create a list of nodes per site_id
443 for node_id in self.node_dictlist:
444 node = self.node_dictlist[node_id]
446 if node['site'] not in nodes_per_site:
447 nodes_per_site[node['site']] = []
448 nodes_per_site[node['site']].append(node['node_id'])
450 if node['node_id'] not in nodes_per_site[node['site']]:
451 nodes_per_site[node['site']].append(node['node_id'])
453 #Create a site dictionary whose key is site_login_base (name of the site)
454 # and value is a dictionary of properties, including the list
456 for node_id in self.node_dictlist:
457 node = self.node_dictlist[node_id]
458 #node.update({'hrn':self.slab_hostname_to_hrn(self.interface_hrn, \
459 #node['site'],node['hostname'])})
460 node.update({'hrn':self.slab_hostname_to_hrn(self.interface_hrn, node['hostname'])})
461 self.node_dictlist.update({node_id:node})
463 if node['site'] not in self.site_dict:
464 self.site_dict[node['site']] = {
466 'node_ids':nodes_per_site[node['site']],
467 'latitude':"48.83726",
468 'longitude':"- 2.10336",'name':config.SFA_REGISTRY_ROOT_AUTH,
469 'pcu_ids':[], 'max_slices':None, 'ext_consortium_id':None,
470 'max_slivers':None, 'is_public':True, 'peer_site_id': None,
471 'abbreviated_name':"senslab", 'address_ids': [],
472 'url':"http,//www.senslab.info", 'person_ids':[],
473 'site_tag_ids':[], 'enabled': True, 'slice_ids':[],
474 'date_created': None, 'peer_id': None }
475 #if node['site_login_base'] not in self.site_dict.keys():
476 #self.site_dict[node['site_login_base']] = {'login_base':node['site_login_base'],
477 #'node_ids':nodes_per_site[node['site_login_base']],
478 #'latitude':"48.83726",
479 #'longitude':"- 2.10336",'name':"senslab",
480 #'pcu_ids':[], 'max_slices':None, 'ext_consortium_id':None,
481 #'max_slivers':None, 'is_public':True, 'peer_site_id': None,
482 #'abbreviated_name':"senslab", 'address_ids': [],
483 #'url':"http,//www.senslab.info", 'person_ids':[],
484 #'site_tag_ids':[], 'enabled': True, 'slice_ids':[],
485 #'date_created': None, 'peer_id': None }
490 OARrequests_uri_dict = {
492 {'uri':'/oarapi/version.json', 'parse_func': ParseVersion},
494 {'uri':'/oarapi/timezone.json' ,'parse_func': ParseTimezone },
496 {'uri':'/oarapi/jobs.json','parse_func': ParseJobs},
498 {'uri':'/oarapi/jobs/id.json','parse_func': ParseJobsIds},
499 'GET_jobs_id_resources':
500 {'uri':'/oarapi/jobs/id/resources.json',\
501 'parse_func': ParseJobsIdResources},
503 {'uri':'/oarapi/jobs/table.json','parse_func': ParseJobsTable},
505 {'uri':'/oarapi/jobs/details.json',\
506 'parse_func': ParseJobsDetails},
507 'GET_reserved_nodes':
509 '/oarapi/jobs/details.json?state=Running,Waiting,Launching',\
510 'parse_func':ParseReservedNodes},
512 {'uri':'/oarapi/jobs/details.json?state=Running',\
513 'parse_func':ParseRunningJobs},
514 'GET_resources_full':
515 {'uri':'/oarapi/resources/full.json',\
516 'parse_func': ParseResourcesFull},
518 {'uri':'/oarapi/resources/full.json',\
519 'parse_func': ParseResourcesFullSites},
521 {'uri':'/oarapi/resources.json' ,'parse_func': ParseResources},
523 {'uri':'/oarapi/jobs/id.json' ,'parse_func': ParseDeleteJobs}
528 def SendRequest(self, request, strval = None , username = None):
529 """ Connects to OAR , sends the valid GET requests and uses
530 the appropriate json parsing functions.
533 if request in self.OARrequests_uri_dict :
534 self.raw_json = self.server.GETRequestToOARRestAPI(request, \
537 return self.OARrequests_uri_dict[request]['parse_func'](self)
539 logger.error("OARRESTAPI OARGetParse __init__ : ERROR_REQUEST " \