def get_global_dbs_inst():
"""
gets the name of global dbs instance
"""
from DAS.core.das_mapping_db import DASMapping
dasconfig = das_readconfig()
dasmapping = DASMapping(dasconfig)
return dasmapping.dbs_global_instance()
def init(self):
"Takes care of MongoDB connection since DASMapping requires it"
try:
dasmapping = DASMapping(self.dasconfig)
mapping = dasmapping.servicemap(self.service_name)
self.urls = mapping[self.service_api]['services']
self.expire = mapping[self.service_api]['expire']
except Exception as _exp:
pass
def __init__(self, config=None):
if not config:
config = das_readconfig()
self.dasmapping = DASMapping(config)
if not self.dasmapping.check_maps():
msg = "No DAS maps found in MappingDB"
raise Exception(msg)
self.dasservices = config['services']
self.daskeysmap = self.dasmapping.daskeys()
self.operators = list(das_operators())
self.daskeys = list(das_special_keys())
self.verbose = config['verbose']
self.logger = PrintManager('QLManger', self.verbose)
for val in self.daskeysmap.values():
for item in val:
self.daskeys.append(item)
def setUp(self):
"""
set up DAS core module
"""
debug = 0
config = deepcopy(das_readconfig())
logger = PrintManager('TestDASMongocache', verbose=debug)
config['logger'] = logger
config['verbose'] = debug
dburi = config['mongodb']['dburi']
connection = MongoClient(dburi)
connection.drop_database('das')
dasmapping = DASMapping(config)
config['dasmapping'] = dasmapping
self.dasmongocache = DASMongocache(config)
def setUp(self):
"""
set up data used in the tests.
setUp is called before each test function execution.
"""
self.i1 = "find dataset, run, bfield where site = T2 and admin=VK and storage=castor"
self.i2 = " find dataset, run where (run=1 or run=2) and storage=castor or site = T2"
debug = 0
config = das_readconfig()
logger = DASLogger(verbose=debug, stdout=debug)
config['logger'] = logger
config['verbose'] = debug
config['mapping_dbhost'] = 'localhost'
config['mapping_dbport'] = 27017
config['mapping_dbname'] = 'mapping'
config['dasmapping'] = DASMapping(config)
config['dasanalytics'] = DASAnalytics(config)
self.parser = MongoParser(config)
self.operators = [o.strip() for o in DAS_OPERATORS]
def initialize_global_dbs_mngr(update_required=False):
"""
Gets a DBSDaemon for global DBS and fetches the data if needed.
*Used for testing purposes only*.
"""
from DAS.core.das_mapping_db import DASMapping
dasconfig = das_readconfig()
dasmapping = DASMapping(dasconfig)
dburi = dasconfig['mongodb']['dburi']
dbsexpire = dasconfig.get('dbs_daemon_expire', 3600)
main_dbs_url = dasmapping.dbs_url()
dbsmgr = DBSDaemon(main_dbs_url, dburi, {'expire': dbsexpire,
'preserve_on_restart': True})
# if we have no datasets (fresh DB, fetch them)
if update_required or not next(dbsmgr.find('*Zmm*'), False):
print('fetching datasets from global DBS...')
dbsmgr.update()
return dbsmgr
def init_trackers():
""" initialization """
# get list of trackers
mapping = DASMapping(config=das_readconfig())
for provider in mapping.inputvalues_uris():
TRACKERS[provider['input']] = InputValuesTracker(provider)
def __init__(self,
config=None,
debug=0,
nores=False,
logger=None,
engine=None,
multitask=True):
if config:
dasconfig = config
else:
dasconfig = das_readconfig()
verbose = dasconfig['verbose']
self.stdout = debug
if isinstance(debug, int) and debug:
self.verbose = debug
dasconfig['verbose'] = debug
else:
self.verbose = verbose
das_timer('DASCore::init', self.verbose)
self.operators = das_operators()
self.collect_wait_time = dasconfig['das'].get('collect_wait_time', 120)
# set noresults option
self.noresults = False
if nores:
dasconfig['write_cache'] = True
self.noresults = nores
self.init_expire = dasconfig['das'].get('init_expire', 5 * 60)
self.multitask = dasconfig['das'].get('multitask', True)
if debug or self.verbose:
self.multitask = False # in verbose mode do not use multitask
dasconfig['das']['multitask'] = False
if not multitask: # explicitly call DASCore ctor
self.multitask = False
dasconfig['das']['multitask'] = False
dasconfig['engine'] = engine
if self.multitask:
nworkers = dasconfig['das'].get('core_workers', 5)
# if engine:
# thr_name = 'DASCore:PluginTaskManager'
# self.taskmgr = PluginTaskManager(\
# engine, nworkers=nworkers, name=thr_name)
# self.taskmgr.subscribe()
# else:
# thr_name = 'DASCore:TaskManager'
# self.taskmgr = TaskManager(nworkers=nworkers, name=thr_name)
thr_name = 'DASCore:TaskManager'
self.taskmgr = TaskManager(nworkers=nworkers, name=thr_name)
else:
self.taskmgr = None
if logger:
self.logger = logger
else:
self.logger = PrintManager('DASCore', self.verbose)
# define Mapping/Analytics/Parser in this order since Parser depends
# on first two
dasmapping = DASMapping(dasconfig)
dasconfig['dasmapping'] = dasmapping
self.mapping = dasmapping
self.keylearning = DASKeyLearning(dasconfig)
dasconfig['keylearning'] = self.keylearning
# init DAS cache
self.rawcache = DASMongocache(dasconfig)
dasconfig['rawcache'] = self.rawcache
# plug-in architecture: loop over registered data-services in
# dasconfig; load appropriate module/class; register data
# service with DASCore.
self.systems = dasmapping.list_systems()
# pointer to the DAS top level directory
dasroot = '/'.join(__file__.split('/')[:-3])
for name in self.systems:
try:
klass = 'DAS/services/%s/%s_service.py' \
% (name, name)
srvfile = os.path.join(dasroot, klass)
with open(srvfile) as srvclass:
for line in srvclass:
if line.find('(DASAbstractService)') != -1:
klass = line.split('(DASAbstractService)')[0]
klass = klass.split('class ')[-1]
break
mname = 'DAS.services.%s.%s_service' % (name, name)
module = __import__(mname, fromlist=[klass])
obj = getattr(module, klass)(dasconfig)
setattr(self, name, obj)
except IOError as err:
if debug > 1:
# we have virtual services, so IOError can be correct
print_exc(err)
try:
mname = 'DAS.services.generic_service'
module = __import__(mname, fromlist=['GenericService'])
obj = module.GenericService(name, dasconfig)
setattr(self, name, obj)
except Exception as exc:
print_exc(exc)
msg = "Unable to load %s data-service plugin" % name
raise Exception(msg)
except Exception as exc:
print_exc(exc)
msg = "Unable to load %s data-service plugin" % name
raise Exception(msg)
# loop over systems and get system keys, add mapping keys to final list
self.service_keys = {}
self.service_parameters = {}
for name in self.systems:
skeys = list(getattr(self, name).keys())
self.service_keys[getattr(self, name).name] = skeys
sparams = getattr(self, name).parameters()
self.service_parameters[getattr(self, name).name] = sparams
self.service_keys['special'] = das_special_keys()
self.dasconfig = dasconfig
das_timer('DASCore::init', self.verbose)
def list_dbs_instances():
""" list all DBS instances """
from DAS.core.das_mapping_db import DASMapping
dasconfig = das_readconfig()
dasmapping = DASMapping(dasconfig)
return dasmapping.dbs_instances()
def setUp(self):
"""
set up DAS core module
"""
debug = 0
self.db = 'test_mapping.db'
config = deepcopy(das_readconfig())
dburi = config['mongodb']['dburi']
logger = PrintManager('TestDASMapping', verbose=debug)
config['logger'] = logger
config['verbose'] = debug
dbname = 'test_mapping'
collname = 'db'
config['mappingdb'] = dict(dburi=dburi,
dbname=dbname,
collname=collname)
# add some maps to mapping db
conn = MongoClient(dburi)
conn.drop_database(dbname)
self.coll = conn[dbname][collname]
self.pmap = {
"presentation": {
"block": [{
"ui": "Block name",
"das": "block.name"
}, {
"ui": "Block size",
"das": "block.size"
}]
},
"type": "presentation"
}
self.coll.insert(self.pmap)
url = 'https://cmsweb.cern.ch/dbs/prod/global/DBSReader/acquisitioneras/'
dformat = 'JSON'
system = 'dbs3'
expire = 100
rec = {
'system':
system,
'urn':
'acquisitioneras',
'format':
dformat,
'instances': ['prod/global'],
'url':
url,
'expire':
expire,
'lookup':
'era',
'params': {},
'das_map': [{
"das_key": "era",
"rec_key": "era.name",
"api_arg": "era"
}],
'type':
'service'
}
self.coll.insert(rec)
ver_token = verification_token(self.coll.find(**PYMONGO_OPTS))
rec = {'verification_token': ver_token, 'type': 'verification_token'}
self.coll.insert(rec)
self.mgr = DASMapping(config)
