class ESILEAPObject(object_base.VersionedObject):
OBJ_SERIAL_NAMESPACE = 'esi_leap_object'
OBJ_PROJECT_NAMESPACE = 'esi_leap'
fields = {
'created_at': object_fields.DateTimeField(nullable=True),
'updated_at': object_fields.DateTimeField(nullable=True),
}
@staticmethod
def _from_db_object(context, obj, db_obj):
for key in obj.fields:
setattr(obj, key, db_obj[key])
obj.obj_reset_changes()
obj._context = context
return obj
@classmethod
def _from_db_object_list(cls, context, db_objs):
return [
cls._from_db_object(context, cls(), db_obj) for db_obj in db_objs
]
def to_dict(self):
def _attr_as_dict(field):
attr = getattr(self, field)
if isinstance(attr, ESILEAPObject):
attr = attr.as_dict()
return attr
return dict((k, getattr(self, k)) for k in self.fields
if self.obj_attr_is_set(k))
class Contract(base.ESILEAPObject):
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'name': fields.StringField(nullable=True),
'uuid': fields.UUIDField(),
'project_id': fields.StringField(),
'start_time': fields.DateTimeField(nullable=True),
'end_time': fields.DateTimeField(nullable=True),
'fulfill_time': fields.DateTimeField(nullable=True),
'expire_time': fields.DateTimeField(nullable=True),
'status': fields.StringField(),
'properties': fields.FlexibleDictField(nullable=True),
'offer_uuid': fields.UUIDField(),
}
@classmethod
def get(cls, contract_uuid, context=None):
db_contract = cls.dbapi.contract_get_by_uuid(contract_uuid)
if db_contract:
return cls._from_db_object(context, cls(), db_contract)
@classmethod
def get_all(cls, filters, context=None):
db_contracts = cls.dbapi.contract_get_all(filters)
return cls._from_db_object_list(context, db_contracts)
def create(self, context=None):
updates = self.obj_get_changes()
@utils.synchronized(utils.get_offer_lock_name(updates['offer_uuid']),
external=True)
def _create_contract():
if updates['start_time'] >= updates['end_time']:
raise exception.InvalidTimeRange(
resource='contract',
start_time=str(updates['start_time']),
end_time=str(updates['end_time']))
related_offer = self.dbapi.offer_get_by_uuid(updates['offer_uuid'])
if related_offer.status != statuses.AVAILABLE:
raise exception.OfferNotAvailable(
offer_uuid=related_offer.uuid, status=related_offer.status)
self.dbapi.offer_verify_contract_availability(
related_offer, updates['start_time'], updates['end_time'])
db_contract = self.dbapi.contract_create(updates)
self._from_db_object(context, self, db_contract)
_create_contract()
def cancel(self):
o = Offer.get(self.offer_uuid)
resource = o.resource_object()
if resource.get_contract_uuid() == self.uuid:
resource.expire_contract(self)
self.status = statuses.CANCELLED
self.expire_time = datetime.datetime.now()
self.save(None)
def destroy(self):
self.dbapi.contract_destroy(self.uuid)
self.obj_reset_changes()
def save(self, context=None):
updates = self.obj_get_changes()
db_contract = self.dbapi.contract_update(self.uuid, updates)
self._from_db_object(context, self, db_contract)
def fulfill(self, context=None):
@utils.synchronized(utils.get_offer_lock_name(self.offer_uuid),
external=True)
def _fulfill_contract():
o = Offer.get(self.offer_uuid, context)
resource = o.resource_object()
resource.set_contract(self)
# activate contract
self.status = statuses.ACTIVE
self.fulfill_time = datetime.datetime.now()
self.save(context)
_fulfill_contract()
def expire(self, context=None):
# unassign resource
o = Offer.get(self.offer_uuid, context)
resource = o.resource_object()
if resource.get_contract_uuid() == self.uuid:
resource.expire_contract(self)
# expire contract
self.status = statuses.EXPIRED
self.expire_time = datetime.datetime.now()
self.save(context)
class Offer(base.ESILEAPObject):
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'name': fields.StringField(nullable=True),
'uuid': fields.UUIDField(),
'project_id': fields.StringField(),
'lessee_id': fields.StringField(nullable=True),
'resource_type': fields.StringField(),
'resource_uuid': fields.StringField(),
'start_time': fields.DateTimeField(nullable=True),
'end_time': fields.DateTimeField(nullable=True),
'status': fields.StringField(),
'properties': fields.FlexibleDictField(nullable=True),
'parent_lease_uuid': fields.UUIDField(nullable=True),
}
@classmethod
def get(cls, offer_uuid, context=None):
db_offer = cls.dbapi.offer_get_by_uuid(offer_uuid)
if db_offer:
return cls._from_db_object(context, cls(), db_offer)
@classmethod
def get_all(cls, filters, context=None):
db_offers = cls.dbapi.offer_get_all(filters)
return cls._from_db_object_list(context, db_offers)
def get_availabilities(self):
if self.status != statuses.AVAILABLE:
return []
conflicts = self.dbapi.offer_get_conflict_times(self)
now = datetime.datetime.now()
start_time = self.start_time if self.start_time >= now else now
if conflicts:
# if the conflicts are all in the past:
if conflicts[-1][1] <= start_time:
avails = [[start_time, self.end_time]]
else:
# if the offer starts in the future or
# the first conflict time is in the future,
# add the $start_time and first conflict start_time
# in the array
if start_time < conflicts[0][0]:
times = [start_time, conflicts[0][0]]
for i in range(len(conflicts) - 1):
times.append(conflicts[i][1])
times.append(conflicts[i + 1][0])
else:
times = []
for i in range(len(conflicts) - 1):
# Find the conflict timeframe that started
# in the past and will end in the future.
# add all times after this
if (conflicts[i][0] <= start_time and
conflicts[i][1] > start_time) \
or conflicts[i][0] > start_time:
times.append(conflicts[i][1])
times.append(conflicts[i + 1][0])
times.append(conflicts[-1][1])
times.append(self.end_time)
i = 0
while i < len(times) - 1:
if times[i] == times[i + 1]:
times.pop(i)
times.pop(i)
else:
i += 1
avails = [[times[j], times[j + 1]]
for j in range(0,
len(times) - 1, 2)]
else:
avails = [[start_time, self.end_time]]
return avails
def get_first_availability(self, start):
return self.dbapi.offer_get_first_availability(self.uuid, start)
def create(self, context=None):
updates = self.obj_get_changes()
with utils.lock(utils.get_resource_lock_name(updates['resource_type'],
updates['resource_uuid']),
external=True):
LOG.info('Creating offer')
if updates['start_time'] >= updates['end_time']:
raise exception.InvalidTimeRange(
resource='offer',
start_time=str(updates['start_time']),
end_time=str(updates['end_time']))
if updates.get('parent_lease_uuid'):
# offer is a child of an existing lease
parent_lease = lease_obj.Lease.get(
updates['parent_lease_uuid'])
if parent_lease.status != statuses.ACTIVE:
raise exception.LeaseNotActive(
updates['parent_lease_uuid'])
parent_lease.verify_child_availability(updates['start_time'],
updates['end_time'])
else:
ro = get_resource_object(updates['resource_type'],
updates['resource_uuid'])
ro.verify_availability(updates['start_time'],
updates['end_time'])
db_offer = self.dbapi.offer_create(updates)
self._from_db_object(context, self, db_offer)
def cancel(self):
LOG.info('Deleting offer %s', self.uuid)
leases = lease_obj.Lease.get_all(
{
'offer_uuid': self.uuid,
'status': statuses.LEASE_CAN_DELETE
}, None)
for lease in leases:
lease.cancel()
with utils.lock(utils.get_resource_lock_name(self.resource_type,
self.resource_uuid),
external=True):
self.status = statuses.DELETED
self.save(None)
def expire(self, context=None):
LOG.info('Expiring offer %s', self.uuid)
leases = lease_obj.Lease.get_all(
{
'offer_uuid': self.uuid,
'status': statuses.LEASE_CAN_DELETE
}, None)
for lease in leases:
lease.expire(context)
with utils.lock(utils.get_resource_lock_name(self.resource_type,
self.resource_uuid),
external=True):
self.status = statuses.EXPIRED
self.save(context)
def verify_availability(self, start_time, end_time):
return self.dbapi.offer_verify_availability(self, start_time, end_time)
def destroy(self):
self.dbapi.offer_destroy(self.uuid)
self.obj_reset_changes()
def save(self, context=None):
updates = self.obj_get_changes()
db_offer = self.dbapi.offer_update(self.uuid, updates)
self._from_db_object(context, self, db_offer)
def resource_object(self):
return get_resource_object(self.resource_type, self.resource_uuid)
class Contract(base.ESILEAPObject):
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(),
'project_id': fields.StringField(),
'start_date': fields.DateTimeField(nullable=True),
'end_date': fields.DateTimeField(nullable=True),
'status': fields.StringField(),
'properties': fields.FlexibleDictField(nullable=True),
'offer_uuid': fields.UUIDField(),
'marketplace_offer_contract_relationship_id': fields.UUIDField()
}
@classmethod
def get(cls, context, contract_uuid):
db_contract = cls.dbapi.contract_get(context, contract_uuid)
return cls._from_db_object(context, cls(), db_contract)
@classmethod
def get_all(cls, context):
db_contracts = cls.dbapi.contract_get_all(context)
return cls._from_db_object_list(context, db_contracts)
@classmethod
def get_all_by_project_id(cls, context, project_id):
db_contracts = cls.dbapi.contract_get_all_by_project_id(
context, project_id)
return cls._from_db_object_list(context, db_contracts)
@classmethod
def get_all_by_offer_uuid(cls, context, offer_uuid):
db_contracts = cls.dbapi.contract_get_all_by_offer_uuid(
context, offer_uuid)
return cls._from_db_object_list(context, db_contracts)
@classmethod
def get_all_by_status(cls, context, status):
db_contracts = cls.dbapi.contract_get_all_by_status(
context, status)
return cls._from_db_object_list(context, db_contracts)
def create(self, context=None):
updates = self.obj_get_changes()
db_contract = self.dbapi.contract_create(context, updates)
self._from_db_object(context, self, db_contract)
def destroy(self, context=None):
self.dbapi.contract_destroy(context, self.uuid)
self.obj_reset_changes()
def save(self, context=None):
updates = self.obj_get_changes()
db_contract = self.dbapi.contract_update(
context, self.uuid, updates)
self._from_db_object(context, self, db_contract)
def fulfill(self, context=None):
# fulfill resource
o = esi_leap.objects.offer.Offer.get(
context, self.offer_uuid)
resource = o.resource_object()
resource.set_contract(self)
# expire contract
self.status = statuses.FULFILLED
self.save(context)
def expire(self, context=None):
# unassign resource
o = esi_leap.objects.offer.Offer.get(
context, self.offer_uuid)
resource = o.resource_object()
if resource.get_contract_uuid() == self.uuid:
resource.set_contract(None)
# expire contract
self.status = statuses.EXPIRED
self.save(context)
class Lease(base.ESILEAPObject):
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'name': fields.StringField(nullable=True),
'uuid': fields.UUIDField(),
'project_id': fields.StringField(),
'owner_id': fields.StringField(),
'resource_type': fields.StringField(),
'resource_uuid': fields.StringField(),
'start_time': fields.DateTimeField(nullable=True),
'end_time': fields.DateTimeField(nullable=True),
'fulfill_time': fields.DateTimeField(nullable=True),
'expire_time': fields.DateTimeField(nullable=True),
'status': fields.StringField(),
'properties': fields.FlexibleDictField(nullable=True),
'offer_uuid': fields.UUIDField(nullable=True),
'parent_lease_uuid': fields.UUIDField(nullable=True),
}
@classmethod
def get(cls, lease_uuid, context=None):
db_lease = cls.dbapi.lease_get_by_uuid(lease_uuid)
if db_lease:
return cls._from_db_object(context, cls(), db_lease)
@classmethod
def get_all(cls, filters, context=None):
db_leases = cls.dbapi.lease_get_all(filters)
return cls._from_db_object_list(context, db_leases)
def create(self, context=None):
updates = self.obj_get_changes()
with utils.lock(utils.get_resource_lock_name(updates['resource_type'],
updates['resource_uuid']),
external=True):
if updates['start_time'] >= updates['end_time']:
raise exception.InvalidTimeRange(
resource='lease',
start_time=str(updates['start_time']),
end_time=str(updates['end_time']))
# check availability
if 'offer_uuid' in updates:
# lease is being created from an offer
related_offer = offer_obj.Offer.get(updates['offer_uuid'])
if related_offer.status != statuses.AVAILABLE:
raise exception.OfferNotAvailable(
offer_uuid=related_offer.uuid,
status=related_offer.status)
related_offer.verify_availability(updates['start_time'],
updates['end_time'])
elif 'parent_lease_uuid' in updates:
# lease is a child of an existing lease
parent_lease = Lease.get(updates['parent_lease_uuid'])
if parent_lease.status != statuses.ACTIVE:
raise exception.LeaseNotActive(
updates['parent_lease_uuid'])
parent_lease.verify_child_availability(updates['start_time'],
updates['end_time'])
else:
ro = get_resource_object(updates['resource_type'],
updates['resource_uuid'])
ro.verify_availability(updates['start_time'],
updates['end_time'])
db_lease = self.dbapi.lease_create(updates)
self._from_db_object(context, self, db_lease)
def cancel(self):
leases = Lease.get_all(
{
'parent_lease_uuid': self.uuid,
'status': statuses.LEASE_CAN_DELETE
}, None)
for lease in leases:
lease.cancel()
offers = offer_obj.Offer.get_all(
{
'parent_lease_uuid': self.uuid,
'status': statuses.OFFER_CAN_DELETE
}, None)
for offer in offers:
offer.cancel()
with utils.lock(utils.get_resource_lock_name(self.resource_type,
self.resource_uuid),
external=True):
LOG.info('Deleting lease %s', self.uuid)
try:
resource = self.resource_object()
if resource.get_lease_uuid() == self.uuid:
resource.expire_lease(self)
if self.parent_lease_uuid is not None:
parent_lease = Lease.get(self.parent_lease_uuid)
resource.set_lease(parent_lease)
self.status = statuses.DELETED
self.expire_time = datetime.datetime.now()
except Exception as e:
LOG.info('Error canceling lease: %s: %s' %
(type(e).__name__, e))
LOG.info('Setting lease status to WAIT')
self.status = statuses.WAIT_CANCEL
self.save(None)
def destroy(self):
self.dbapi.lease_destroy(self.uuid)
self.obj_reset_changes()
def save(self, context=None):
updates = self.obj_get_changes()
db_lease = self.dbapi.lease_update(self.uuid, updates)
self._from_db_object(context, self, db_lease)
def fulfill(self, context=None):
with utils.lock(utils.get_resource_lock_name(self.resource_type,
self.resource_uuid),
external=True):
LOG.info('Fulfilling lease %s', self.uuid)
try:
resource = self.resource_object()
resource.set_lease(self)
# activate lease
self.status = statuses.ACTIVE
self.fulfill_time = datetime.datetime.now()
except Exception as e:
LOG.info('Error fulfilling lease: %s: %s' %
(type(e).__name__, e))
LOG.info('Setting lease status to WAIT')
self.status = statuses.WAIT_FULFILL
self.save(context)
def expire(self, context=None):
leases = Lease.get_all(
{
'parent_lease_uuid': self.uuid,
'status': statuses.LEASE_CAN_DELETE
}, None)
for lease in leases:
lease.expire(context)
offers = offer_obj.Offer.get_all(
{
'parent_lease_uuid': self.uuid,
'status': statuses.OFFER_CAN_DELETE
}, None)
for offer in offers:
offer.expire(context)
with utils.lock(utils.get_resource_lock_name(self.resource_type,
self.resource_uuid),
external=True):
LOG.info('Expiring lease %s', self.uuid)
try:
resource = self.resource_object()
if resource.get_lease_uuid() == self.uuid:
resource.expire_lease(self)
if self.parent_lease_uuid is not None:
parent_lease = Lease.get(self.parent_lease_uuid)
resource.set_lease(parent_lease)
# expire lease
self.status = statuses.EXPIRED
self.expire_time = datetime.datetime.now()
except Exception as e:
LOG.info('Error expiring lease: %s: %s' %
(type(e).__name__, e))
LOG.info('Setting lease status to WAIT')
self.status = statuses.WAIT_EXPIRE
self.save(context)
def resource_object(self):
return get_resource_object(self.resource_type, self.resource_uuid)
def verify_child_availability(self, start_time, end_time):
return self.dbapi.lease_verify_child_availability(
self, start_time, end_time)
class Offer(base.ESILEAPObject):
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(),
'project_id': fields.StringField(),
'resource_type': fields.StringField(),
'resource_uuid': fields.StringField(),
'start_date': fields.DateTimeField(nullable=True),
'end_date': fields.DateTimeField(nullable=True),
'status': fields.StringField(),
'properties': fields.FlexibleDictField(nullable=True),
}
@classmethod
def get(cls, context, offer_uuid):
db_offer = cls.dbapi.offer_get(context, offer_uuid)
return cls._from_db_object(context, cls(), db_offer)
@classmethod
def get_all(cls, context):
db_offers = cls.dbapi.offer_get_all(context)
return cls._from_db_object_list(context, db_offers)
@classmethod
def get_all_by_project_id(cls, context, project_id):
db_offers = cls.dbapi.offer_get_all_by_project_id(context, project_id)
return cls._from_db_object_list(context, db_offers)
@classmethod
def get_all_by_status(cls, context, status):
db_offers = cls.dbapi.offer_get_all_by_status(context, status)
return cls._from_db_object_list(context, db_offers)
def send_to_flocx_market(self):
auth_plugin = ks_loading.load_auth_from_conf_options(
CONF, 'flocx_market')
sess = ks_loading.load_session_from_conf_options(CONF,
'flocx_market',
auth=auth_plugin)
marketplace_offer_dict = self.to_marketplace_dict()
adpt = adapter.Adapter(session=sess,
service_type='marketplace',
interface='public')
marketplace_client = flocx_market_client.FlocxMarketClient(adpt)
res_status_code = marketplace_client.send_offer(marketplace_offer_dict)
return res_status_code
def create(self, context=None):
updates = self.obj_get_changes()
db_offer = self.dbapi.offer_create(context, updates)
o = self._from_db_object(context, self, db_offer)
return o.send_to_flocx_market()
def destroy(self, context=None):
self.dbapi.offer_destroy(context, self.uuid)
self.obj_reset_changes()
def save(self, context=None):
updates = self.obj_get_changes()
db_offer = self.dbapi.offer_update(context, self.uuid, updates)
self._from_db_object(context, self, db_offer)
def resource_object(self):
return ro_factory.ResourceObjectFactory.get_resource_object(
self.resource_type, self.resource_uuid)
def expire(self, context=None):
# make sure all related contracts are expired
contracts = esi_leap.objects.contract.Contract.get_all_by_offer_uuid(
context, self.uuid)
for c in contracts:
if c.status != statuses.EXPIRED:
c.expire(context)
# expire offer
self.status = statuses.EXPIRED
self.save(context)
def to_marketplace_dict(self):
# change fields name
offer_dict = self.to_dict()
offer_dict['start_time'] = offer_dict.pop('start_date').isoformat()
offer_dict['end_time'] = offer_dict.pop('end_date').isoformat()
offer_dict['cost'] = offer_dict['properties'].get('floor_price', 0)
offer_dict['server_config'] = offer_dict.pop('properties')
offer_dict['server_id'] = offer_dict.pop('resource_uuid')
offer_dict['provider_id'] = offer_dict.pop('uuid')
offer_dict['creator_id'] = offer_dict.pop('project_id')
# remove unnecessary feilds
offer_dict.pop('created_at')
offer_dict.pop('updated_at')
offer_dict.pop('id')
offer_dict.pop('resource_type')
# fake fields
offer_dict['marketplace_date_created'] = datetime.datetime.utcnow()
return offer_dict
class Offer(base.ESILEAPObject):
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'name': fields.StringField(nullable=True),
'uuid': fields.UUIDField(),
'project_id': fields.StringField(),
'resource_type': fields.StringField(),
'resource_uuid': fields.StringField(),
'start_time': fields.DateTimeField(nullable=True),
'end_time': fields.DateTimeField(nullable=True),
'status': fields.StringField(),
'properties': fields.FlexibleDictField(nullable=True),
}
@classmethod
def get_by_uuid(cls, offer_uuid, context=None):
db_offer = cls.dbapi.offer_get_by_uuid(offer_uuid)
if db_offer:
return cls._from_db_object(context, cls(), db_offer)
@classmethod
def get_by_name(cls, offer_name, context=None):
db_contract = cls.dbapi.offer_get_by_name(offer_name)
return cls._from_db_object_list(context, db_contract)
@classmethod
def get(cls, offer_id, context=None):
o_uuid = cls.get_by_uuid(offer_id, context)
if o_uuid:
return [o_uuid]
o_name = cls.get_by_name(offer_id, context)
return o_name
@classmethod
def get_all(cls, context, filters):
db_offers = cls.dbapi.offer_get_all(filters)
return cls._from_db_object_list(context, db_offers)
def get_availabilities(self):
if self.status != statuses.AVAILABLE:
return []
conflicts = self.dbapi.offer_get_conflict_times(self)
if conflicts:
a = [self.start_time, conflicts[0][0]]
for i in range(len(conflicts) - 1):
a.append(conflicts[i][1])
a.append(conflicts[i + 1][0])
a.append(conflicts[-1][1])
a.append(self.end_time)
i = 0
while i < len(a) - 1:
if a[i] == a[i + 1]:
a.pop(i)
a.pop(i)
else:
i += 1
a = [[a[j], a[j + 1]] for j in range(0, len(a) - 1, 2)]
else:
a = [[self.start_time, self.end_time]]
return a
def get_first_availability(self, start):
return self.dbapi.offer_get_first_availability(self.uuid, start)
def create(self, context=None):
updates = self.obj_get_changes()
self.dbapi.offer_verify_resource_availability(updates['resource_type'],
updates['resource_uuid'],
updates['start_time'],
updates['end_time'])
db_offer = self.dbapi.offer_create(updates)
self._from_db_object(context, self, db_offer)
def cancel(self):
contracts = esi_leap.objects.contract.Contract.get_all(
None, {'offer_uuid': self.uuid})
for c in contracts:
if c.status == statuses.CREATED or c.status == statuses.ACTIVE:
c.cancel()
self.status = statuses.CANCELLED
self.save(None)
def destroy(self):
self.dbapi.offer_destroy(self.uuid)
self.obj_reset_changes()
def save(self, context=None):
updates = self.obj_get_changes()
db_offer = self.dbapi.offer_update(
self.uuid, updates)
self._from_db_object(context, self, db_offer)
def resource_object(self):
return ro_factory.ResourceObjectFactory.get_resource_object(
self.resource_type, self.resource_uuid)
def expire(self, context=None):
# make sure all related contracts are expired
contracts = esi_leap.objects.contract.Contract.get_all(
None, {'offer_uuid': self.uuid})
for c in contracts:
if c.status != statuses.EXPIRED:
c.expire(context)
# expire offer
self.status = statuses.EXPIRED
self.save(context)
class Contract(base.ESILEAPObject):
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'name': fields.StringField(nullable=True),
'uuid': fields.UUIDField(),
'project_id': fields.StringField(),
'start_time': fields.DateTimeField(nullable=True),
'end_time': fields.DateTimeField(nullable=True),
'status': fields.StringField(),
'properties': fields.FlexibleDictField(nullable=True),
'offer_uuid': fields.UUIDField(),
}
@classmethod
def get_by_uuid(cls, contract_uuid, context=None):
db_contract = cls.dbapi.contract_get_by_uuid(contract_uuid)
if db_contract:
return cls._from_db_object(context, cls(), db_contract)
@classmethod
def get_by_name(cls, contract_name, context=None):
db_contract = cls.dbapi.contract_get_by_name(contract_name)
return cls._from_db_object_list(context, db_contract)
@classmethod
def get(cls, contract_id, context=None):
c_uuid = cls.get_by_uuid(contract_id, context)
if c_uuid:
return [c_uuid]
c_name = cls.get_by_name(contract_id, context)
return c_name
@classmethod
def get_all(cls, context, filters):
db_contracts = cls.dbapi.contract_get_all(filters)
return cls._from_db_object_list(context, db_contracts)
def create(self, context=None):
updates = self.obj_get_changes()
updates['uuid'] = uuidutils.generate_uuid()
if 'offer_uuid' not in updates:
raise exception.ContractNoOfferUUID()
related_offer = self.dbapi.offer_get_by_uuid(updates['offer_uuid'])
if related_offer is None:
raise exception.OfferNotFound(offer_uuid=updates['offer_uuid'])
if related_offer.status != statuses.AVAILABLE:
raise exception.OfferNotAvailable(offer_uuid=related_offer.uuid,
status=related_offer.status)
if 'start_time' not in updates:
updates['start_time'] = datetime.datetime.now()
if 'end_time' not in updates:
q = self.dbapi.offer_get_first_availability(related_offer,
updates['start_time'])
if q is None:
updates['end_time'] = related_offer.end_time
else:
updates['end_time'] = q.start_time
self.dbapi.offer_verify_availability(related_offer,
updates['start_time'],
updates['end_time'])
db_contract = self.dbapi.contract_create(updates)
self._from_db_object(context, self, db_contract)
def cancel(self):
o = esi_leap.objects.offer.Offer.get_by_uuid(self.offer_uuid)
resource = o.resource_object()
if resource.get_contract_uuid() == self.uuid:
resource.set_contract(None)
self.status = statuses.CANCELLED
self.save(None)
def destroy(self):
self.dbapi.contract_destroy(self.uuid)
self.obj_reset_changes()
def save(self, context=None):
updates = self.obj_get_changes()
db_contract = self.dbapi.contract_update(
self.uuid, updates)
self._from_db_object(context, self, db_contract)
def fulfill(self, context=None):
# fulfill resource
o = esi_leap.objects.offer.Offer.get_by_uuid(self.offer_uuid, context)
resource = o.resource_object()
resource.set_contract(self)
# activate contract
self.status = statuses.ACTIVE
self.save(context)
def expire(self, context=None):
# unassign resource
o = esi_leap.objects.offer.Offer.get_by_uuid(self.offer_uuid, context)
if o.status != statuses.AVAILABLE:
raise exception.OfferNotAvailable(offer_uuid=o.uuid,
status=o.status)
resource = o.resource_object()
if resource.get_contract_uuid() == self.uuid:
resource.set_contract(None)
# expire contract
self.status = statuses.EXPIRED
self.save(context)