/usr/lib/python2.7/dist-packages/arcnagios/glue2.py is in nordugrid-arc-nagios-plugins 1.9.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import logging
from inspect import isclass
from utils import lazy_staticmethod
log = logging.getLogger(__name__)
MU_1 = 0
MU_01 = 1
MU_SOME = 2
MU_ANY = 3
MU_MINUS = 4
# TODO. Change to MU_SOME when the infosys is ready for it.
MU_SOME_WIP = MU_ANY
def multiplicity_indicator(m):
return {MU_1: '1', MU_01: '0,1', MU_ANY: '*', MU_SOME: '+',
MU_MINUS: '-'}[m]
def matching_multiplicity(mult, n):
if mult == MU_1:
return n == 1
if mult == MU_01:
return n in [0, 1]
if mult == MU_SOME:
return n > 0
if mult == MU_ANY:
return True
# Relation Kinds
ASSOCIATION = 1
AGGREGATION = 2
COMPOSITION = 3
# TODO: The specification of relation of the GLUE2ForeignKey objects may be
# incomplete, unspecified ones default to ASSOCIATION.
class GLUE2ForeignKey(object):
def __init__(self, name, other_class, local_mult, other_mult,
bidirectional = False, dependent_fk_attribute = False,
relation = ASSOCIATION):
self.name = name
self.other_class = other_class
self.local_mult = local_mult
self.other_mult = other_mult
self.bidirectional = bidirectional
self.dependent_fk_attribute = dependent_fk_attribute
self.relation = relation
_fk = GLUE2ForeignKey
# Auxiliary classes to be treated as structual.
glue2_exclusive_auxiliary_objectclasses = {
'GLUE2AdminDomain': 'GLUE2Domain',
'GLUE2UserDomain': 'GLUE2Domain',
'GLUE2AccessPolicy': 'GLUE2Policy',
'GLUE2MappingPolicy': 'GLUE2Policy',
'GLUE2ComputingService': 'GLUE2Service',
'GLUE2ComputingEndpoint': 'GLUE2Endpoint',
'GLUE2ComputingShare': 'GLUE2Share',
'GLUE2ComputingManager': 'GLUE2Manager',
'GLUE2ExecutionEnvironment': 'GLUE2Resource',
'GLUE2ComputingActivity': 'GLUE2Activity',
'GLUE2StorageService': 'GLUE2Service',
'GLUE2StorageEndpoint': 'GLUE2Endpoint',
'GLUE2StorageShare': 'GLUE2Share',
'GLUE2StorageManager': 'GLUE2Manager',
'GLUE2DataStore': 'GLUE2Resource',
}
class GLUE2Entity(LDAPObject):
structural_objectclass = 'GLUE2Entity'
glue2_exclusive_auxiliary_objectclass = None
glue2_really_abstract = False
glue2_primary_key = None
glue2_foreign_keys = lazy_staticmethod(lambda: [])
@classmethod
def glue2_class_name(cls):
return cls.glue2_exclusive_auxiliary_objectclass \
or cls.structural_objectclass
@classmethod
def glue2_check_class(cls):
error_count = 0
log.info('+ Checking class %s.'%cls.__name__)
for fk in cls.glue2_foreign_keys():
log.info('++ Checking FK %s.'%fk.name)
if not fk.dependent_fk_attribute:
if not isinstance(fk.other_class.glue2_primary_key, str):
log.error('Missing primary key for %s'%fk.name)
error_count += 1
if fk.bidirectional:
found = False
for rfk in fk.other_class.glue2_foreign_keys():
if issubclass(cls, rfk.other_class):
found = True
if not found:
log.error('Did not find reverse link for %s'%fk.name)
error_count += 1
if cls.glue2_class_name() != cls.__name__:
log.error('Mismatched class name %s vs %s.'
% (cls.glue2_class_name(), cls.__name__))
error_count += 1
assert error_count == 0
@classmethod
def glue2_all_foreign_keys(cls):
for fk in cls.glue2_foreign_keys():
yield fk
for base in cls.__bases__:
if issubclass(base, GLUE2Entity):
for fk in base.glue2_all_foreign_keys():
yield fk
def glue2_get_fk_links(self, fk):
v = getattr(self, fk.name)
if isinstance(v, list):
return v
elif v is None:
return []
else:
return [v]
class GLUE2Group(GLUE2Entity):
structural_objectclass = 'GLUE2Group'
glue2_primary_key = 'GLUE2GroupID'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2Extension(GLUE2Entity):
structural_objectclass = 'GLUE2Extension'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ExtensionEntityForeignKey', GLUE2Entity, MU_ANY, MU_1,
dependent_fk_attribute = True, relation = COMPOSITION),
])
class GLUE2Location(GLUE2Entity):
structural_objectclass = 'GLUE2Location'
glue2_primary_key = 'GLUE2LocationID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2LocationServiceForeignKey', GLUE2Service, MU_01, MU_ANY),
_fk('GLUE2LocationDomainForeignKey', GLUE2Domain, MU_01, MU_ANY),
])
class GLUE2Contact(GLUE2Entity):
structural_objectclass = 'GLUE2Contact'
glue2_primary_key = 'GLUE2ContactID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ContactServiceForeignKey', GLUE2Service, MU_ANY, MU_ANY),
_fk('GLUE2ContactDomainForeignKey', GLUE2Domain, MU_ANY, MU_ANY),
])
class GLUE2Domain(GLUE2Entity):
structural_objectclass = 'GLUE2Domain'
glue2_primary_key = 'GLUE2DomainID'
glue2_really_abstract = True
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2AdminDomain(GLUE2Domain):
glue2_exclusive_auxiliary_objectclass = 'GLUE2AdminDomain'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2AdminDomainAdminDomainForeignKey', GLUE2AdminDomain,
MU_ANY, MU_01, relation = AGGREGATION),
])
class GLUE2UserDomain(GLUE2Domain):
glue2_exclusive_auxiliary_objectclass = 'GLUE2UserDomain'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2UserDomainUserDomainForeignKey', GLUE2UserDomain,
MU_ANY, MU_01, relation = AGGREGATION),
])
class GLUE2Service(GLUE2Entity):
structural_objectclass = 'GLUE2Service'
glue2_primary_key = 'GLUE2ServiceID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ServiceAdminDomainForeignKey', GLUE2AdminDomain,
MU_ANY, MU_1, relation = AGGREGATION),
_fk('GLUE2ServiceServiceForeignKey', GLUE2Service, MU_ANY, MU_ANY,
bidirectional = True),
])
class GLUE2Endpoint(GLUE2Entity):
structural_objectclass = 'GLUE2Endpoint'
glue2_primary_key = 'GLUE2EndpointID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2EndpointServiceForeignKey', GLUE2Service, MU_ANY, MU_1,
relation = AGGREGATION),
])
class GLUE2Share(GLUE2Entity):
structural_objectclass = 'GLUE2Share'
glue2_primary_key = 'GLUE2ShareID'
glue2_really_abstract = True
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ShareServiceForeignKey', GLUE2Service, MU_ANY, MU_1,
relation = AGGREGATION),
_fk('GLUE2ShareEndpointForeignKey', GLUE2Share, MU_ANY, MU_ANY),
_fk('GLUE2ShareResourceForeignKey', GLUE2Resource, MU_ANY, MU_ANY),
])
class GLUE2Manager(GLUE2Entity):
structural_objectclass = 'GLUE2Manager'
glue2_primary_key = 'GLUE2ManagerID'
glue2_really_abstract = True
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ManagerServiceForeignKey', GLUE2Service, MU_ANY, MU_1,
relation = AGGREGATION),
])
class GLUE2Resource(GLUE2Entity):
structural_objectclass = 'GLUE2Resource'
glue2_primary_key = 'GLUE2ResourceID'
glue2_really_abstract = True
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ResourceManagerForeignKey', GLUE2Manager, MU_ANY, MU_1,
relation = COMPOSITION),
])
class GLUE2Activity(GLUE2Entity):
structural_objectclass = 'GLUE2Activity'
glue2_primary_key = 'GLUE2ActivityID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ActivityUserDomainForeignKey', GLUE2UserDomain,
MU_ANY, MU_01),
_fk('GLUE2ActivityEndpointForeignKey', GLUE2Endpoint, MU_ANY, MU_01),
_fk('GLUE2ActivityShareForeignKey', GLUE2Share, MU_ANY, MU_01),
_fk('GLUE2ActivityResourceForeignKey', GLUE2Resource, MU_ANY, MU_01),
_fk('GLUE2ActivityActivityForeignKey', GLUE2Activity, MU_ANY, MU_ANY,
bidirectional = True)
])
class GLUE2Policy(GLUE2Entity):
structural_objectclass = 'GLUE2Policy'
glue2_primary_key = 'GLUE2PolicyID'
glue2_really_abstract = True
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2PolicyUserDomainForeignKey', GLUE2UserDomain,
MU_ANY, MU_SOME_WIP),
])
class GLUE2AccessPolicy(GLUE2Policy):
glue2_exclusive_auxiliary_objectclass = 'GLUE2AccessPolicy'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2AccessPolicyEndpointForeignKey', GLUE2Endpoint, MU_ANY, MU_1),
])
class GLUE2MappingPolicy(GLUE2Policy):
glue2_exclusive_auxiliary_objectclass = 'GLUE2MappingPolicy'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2MappingPolicyShareForeignKey', GLUE2Share, MU_ANY, MU_1),
])
# Computing Service
# =================
class GLUE2ComputingService(GLUE2Service):
glue2_exclusive_auxiliary_objectclass = 'GLUE2ComputingService'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2ComputingEndpoint(GLUE2Endpoint):
glue2_exclusive_auxiliary_objectclass = 'GLUE2ComputingEndpoint'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2ComputingShare(GLUE2Share):
glue2_exclusive_auxiliary_objectclass = 'GLUE2ComputingShare'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2ComputingManager(GLUE2Manager):
glue2_exclusive_auxiliary_objectclass = 'GLUE2ComputingManager'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2Benchmark(GLUE2Entity):
structural_objectclass = 'GLUE2Benchmark'
glue2_primary_key = 'GLUE2BenchmarkID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2BenchmarkComputingManagerForeignKey',
GLUE2ComputingManager, MU_ANY, MU_01),
_fk('GLUE2BenchmarkExecutionEnvironmentForeignKey',
GLUE2ExecutionEnvironment, MU_ANY, MU_01),
])
class GLUE2ExecutionEnvironment(GLUE2Resource):
glue2_exclusive_auxiliary_objectclass = 'GLUE2ExecutionEnvironment'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2ApplicationEnvironment(GLUE2Entity):
structural_objectclass = 'GLUE2ApplicationEnvironment'
glue2_primary_key = 'GLUE2ApplicationEnvironmentID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ApplicationEnvironmentComputingManagerForeignKey',
GLUE2ComputingManager, MU_ANY, MU_1, relation = COMPOSITION),
_fk('GLUE2ApplicationEnvironmentExecutionEnvironmentForeignKey',
GLUE2ExecutionEnvironment, MU_ANY, MU_ANY),
])
class GLUE2ApplicationHandle(GLUE2Entity):
structural_objectclass = 'GLUE2ApplicationHandle'
glue2_primary_key = 'GLUE2ApplicationHandleID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ApplicationHandleApplicationEnvironmentForeignKey',
GLUE2ApplicationEnvironment, MU_ANY, MU_1, relation = COMPOSITION),
])
class GLUE2ComputingActivity(GLUE2Activity):
glue2_exclusive_auxiliary_objectclass = 'GLUE2ComputingActivity'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2ToStorageService(GLUE2Entity):
structural_objectclass = 'GLUE2ToStorageService'
glue2_primary_key = 'GLUE2ToStorageServiceID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ToStorageServiceComputingServiceForeignKey',
GLUE2ComputingService, MU_ANY, MU_1),
_fk('GLUE2ToStorageServiceStorageServiceForeignKey',
GLUE2StorageService, MU_MINUS, MU_1),
])
glue2_computing_classes = [
GLUE2ComputingService, GLUE2ComputingEndpoint, GLUE2ComputingShare,
GLUE2ComputingManager, GLUE2Benchmark, GLUE2ExecutionEnvironment,
GLUE2ApplicationEnvironment, GLUE2ApplicationHandle,
GLUE2ComputingActivity, GLUE2ToStorageService
]
# Storage Service
# ===============
class GLUE2StorageService(GLUE2Service):
glue2_exclusive_auxiliary_objectclass = 'GLUE2StorageService'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2StorageServiceCapacity(GLUE2Entity):
structural_objectclass = 'GLUE2StorageServiceCapacity'
glue2_primary_key = 'GLUE2StorageServiceCapacityID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2StorageServiceCapacityStorageServiceForeignKey',
GLUE2StorageService, MU_ANY, MU_1),
])
class GLUE2StorageAccessProtocol(GLUE2Entity):
structural_objectclass = 'GLUE2StorageAccessProtocol'
glue2_primary_key = 'GLUE2StorageAccessProtocolID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2StorageAccessProtocolStorageServiceForeignKey',
GLUE2StorageService, MU_ANY, MU_1, relation = AGGREGATION),
])
class GLUE2StorageEndpoint(GLUE2Endpoint):
glue2_exclusive_auxiliary_objectclass = 'GLUE2StorageEndpoint'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2StorageShare(GLUE2Share):
glue2_exclusive_auxiliary_objectclass = 'GLUE2StorageShare'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2StorageShareCapacity(GLUE2Entity):
structural_objectclass = 'GLUE2StorageShareCapacity'
glue2_primary_key = 'GLUE2StorageShareCapacityID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2StorageShareCapacityStorageShareForeignKey',
GLUE2StorageShare, MU_ANY, MU_1, relation = AGGREGATION),
])
class GLUE2StorageManager(GLUE2Manager):
glue2_exclusive_auxiliary_objectclass = 'GLUE2StorageManager'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2DataStore(GLUE2Resource):
glue2_exclusive_auxiliary_objectclass = 'GLUE2DataStore'
glue2_foreign_keys = lazy_staticmethod(lambda: [])
class GLUE2ToComputingService(GLUE2Entity):
structural_objectclass = 'GLUE2ToComputingService'
glue2_primary_key = 'GLUE2ToComputingServiceID'
glue2_foreign_keys = lazy_staticmethod(lambda: [
_fk('GLUE2ToComputingServiceStorageAccessProtocolForeignKey',
GLUE2StorageAccessProtocol, MU_ANY, MU_ANY),
_fk('GLUE2ToComputingServiceComputingServiceForeignKey',
GLUE2ComputingService, MU_MINUS, MU_1),
_fk('GLUE2ToComputingServiceStorageServiceForeignKey',
GLUE2StorageService, MU_MINUS, MU_1),
])
glue2_storage_classes = [
GLUE2StorageService, GLUE2StorageServiceCapacity,
GLUE2StorageAccessProtocol, GLUE2StorageEndpoint,
GLUE2StorageShare, GLUE2StorageShareCapacity, GLUE2StorageManager,
GLUE2DataStore, GLUE2ToComputingService
]
# Costructor Dispatcher
# =====================
glue2_entity_classes = \
filter(lambda c: isclass(c) and issubclass(c, GLUE2Entity),
globals().itervalues())
glue2_entity_class_map = \
dict((c.glue2_class_name(), c) for c in glue2_entity_classes)
def construct_from_ldap_entry(subschema, dn, ent):
ocs = set(ent['objectClass'])
exauxes = ocs.intersection(glue2_exclusive_auxiliary_objectclasses)
if len(exauxes) > 1:
raise ValueError('Mixing exclusive auxiliary classes %s.'
% ', '.join(exauxes))
if len(exauxes) == 1:
class_name = exauxes.pop()
base_class_name = glue2_exclusive_auxiliary_objectclasses[class_name]
if not base_class_name in ocs:
raise ValueError(
'%s should be considered a structural subclass of %s.'
%(class_name, base_class_name))
else:
class_name = ent['structuralObjectClass'][0]
c = glue2_entity_class_map.get(class_name)
if c:
return c(subschema, dn, ent)
# Validation of Classes
# =====================
# To validate the classes and dump a diagram to tmp.glue2.*, use
# python -c 'from arcnagios.glue2 import check_classes; check_classes()'
def check_classes():
def nodename(s):
s = s.startswith('GLUE2') and s[5:] or s
return s
def fklabel(cn, s):
if not s.endswith('ForeignKey'):
log.error('%s should end with "ForeignKey"')
return s
if not s.startswith(cn):
log.error('%s should start with %s'%(s, cn))
return '"%s"'%nodename(s)
s = s[:-10] + 'FK'
return '"%s-\\n%s"'%(nodename(cn), s[len(cn):])
logging.basicConfig(loglevel = logging.INFO)
dot_out = open('tmp.glue2.dot', 'w')
dot_out.write('digraph {\n'
' rankdir = "BT";\n'
' edge [arrowsize=1.2, fontsize=13, labelfontsize=15];\n')
if False:
dot_out.write(' subgraph cluster_computing {%s;}\n'
% '; '.join(c.glue2_class_name() for c in glue2_computing_classes))
dot_out.write(' subgraph cluster_storage {%s;}\n'
% '; '.join(c.glue2_class_name() for c in glue2_storage_classes))
for c in glue2_entity_classes:
c.glue2_check_class()
if not c is GLUE2Entity:
for cp in c.__subclasses__():
dot_out.write(' %s -> %s;\n'
%(nodename(cp.glue2_class_name()),
nodename(c.glue2_class_name())))
for fk in c.glue2_foreign_keys():
cp = fk.other_class
dot_out.write(' %s -> %s [arrowhead=odiamond, label=%s, '
'taillabel="%s", headlabel="%s"];\n'
%(nodename(c.glue2_class_name()),
nodename(cp.glue2_class_name()),
fklabel(c.glue2_class_name(), fk.name),
multiplicity_indicator(fk.local_mult),
multiplicity_indicator(fk.other_mult)))
dot_out.write('}\n')
dot_out.close()
import os
return os.system('dot -T svg -o tmp.glue2.svg tmp.glue2.dot')
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