def __init__(self, db, schema):
"""args:
db - db handle
schema - schema name where cobaltDB tables reside (str)"""
self.events_DAO = db2util.dao(db, schema, "JOB_EVENTS")
self.event_classes_DAO = db2util.dao(db, schema, "JOB_EVENT_CLASSES")
# Populated in __configure_events():
self.__by_class = {} # { event_class : [ event_IDs_for_class ] }
self.__by_ID = None # { event_ID : event_name }
self.__by_name = None # { event_name : event_ID }
self.__hold_table = None # { hold_ID : False } - see note in __configure_events()
self.__release_table = None # { hold_ID : release_ID_for_hold_ID }
self.__configure_events() # Populate foregoing
# List of all hold and release IDs
self.__hold_release_IDs = self.__release_table.keys() + self.__release_table.values()
def __init__(self, dbName, username, password, schema):
self.db = db2util.db()
try:
self.db.connect(dbName, username, password)
except:
logger.error("Failed to open a connection to database %s as user %s" %(dbName, username))
raise
self.schema = schema
table_names = ['RESERVATION_DATA', 'RESERVATION_PARTS',
'RESERVATION_EVENTS', 'RESERVATION_USERS',
'RESERVATION_PROG', 'JOB_DATA', 'JOB_ATTR',
'JOB_DEPS', 'JOB_EVENTS','JOB_COBALT_STATES', 'JOB_PROG',
'JOB_RUN_USERS']
no_pk_tables = ['RESERVATION_PARTS', 'RESERVATION_USERS',
'JOB_ATTR', 'JOB_RUN_USERS']
#Handle tables, There is probably a better way to do this.
self.daos = {}
try:
for table_name in table_names:
logger.info("Accessing table: %s" % table_name)
if table_name in ['RESERVATION_EVENTS', 'JOB_EVENTS',
'JOB_COBALT_STATES']:
self.daos[table_name] = StateTableData(self.db, schema,
table_name)
elif table_name == 'RESERVATION_DATA':
self.daos[table_name] = ResDataData(self.db, schema,
table_name)
elif table_name == 'JOB_DATA':
self.daos[table_name] = JobDataData(self.db, schema,
table_name)
elif table_name == 'JOB_DEPS':
self.daos[table_name] = JobDepsData(self.db, schema,
table_name)
elif table_name == 'JOB_PROG':
self.daos[table_name] = JobProgData(self.db, schema,
table_name)
elif table_name in no_pk_tables:
self.daos[table_name] = no_pk_dao(self.db, schema,
table_name)
else:
self.daos[table_name] = db2util.dao(self.db, schema,
table_name)
except:
logger.error("Error accessing table %s!" % table_name)
self.db.close()
raise
#we opened with a schema, let's make that the default for now.
self.db.prepExec("set current schema %s" % schema)
def __init__(self, db, schema):
"""args:
db - db handle
schema - schema name where cobaltDB tables reside (str)"""
self.events_DAO = db2util.dao(db, schema, "JOB_EVENTS")
self.event_classes_DAO = db2util.dao(db, schema, "JOB_EVENT_CLASSES")
# Populated in __configure_events():
self.__by_class = {} # { event_class : [ event_IDs_for_class ] }
self.__by_ID = None # { event_ID : event_name }
self.__by_name = None # { event_name : event_ID }
self.__hold_table = None # { hold_ID : False } - see note in __configure_events()
self.__release_table = None # { hold_ID : release_ID_for_hold_ID }
self.__configure_events() # Populate foregoing
# List of all hold and release IDs
self.__hold_release_IDs = self.__release_table.keys(
) + self.__release_table.values()
def __init__(self, db, schema):
"""args:
db - db handle
schema - schema name where cobaltDB tables reside (str)"""
self.events_DAO = db2util.dao(db, schema, "RESERVATION_EVENTS")
# Populated in __configure_events():
self.__by_ID = None # { event_ID : event_name }
self.__by_name = None # { event_name : event_ID }
self.__configure_events() # Populate foregoing
def __init__(self, dbName, username, password, schema):
self.db = db2util.db()
try:
self.db.connect(dbName, username, password)
except:
logger.error(
"Failed to open a connection to database %s as user %s" %
(dbName, username))
raise
self.schema = schema
table_names = [
'RESERVATION_DATA', 'RESERVATION_PARTS', 'RESERVATION_EVENTS',
'RESERVATION_USERS', 'RESERVATION_PROG', 'JOB_DATA', 'JOB_ATTR',
'JOB_DEPS', 'JOB_EVENTS', 'JOB_COBALT_STATES', 'JOB_PROG',
'JOB_RUN_USERS'
]
no_pk_tables = [
'RESERVATION_PARTS', 'RESERVATION_USERS', 'JOB_ATTR',
'JOB_RUN_USERS'
]
#Handle tables, There is probably a better way to do this.
self.daos = {}
try:
for table_name in table_names:
logger.info("Accessing table: %s" % table_name)
if table_name in [
'RESERVATION_EVENTS', 'JOB_EVENTS', 'JOB_COBALT_STATES'
]:
self.daos[table_name] = StateTableData(
self.db, schema, table_name)
elif table_name == 'RESERVATION_DATA':
self.daos[table_name] = ResDataData(
self.db, schema, table_name)
elif table_name == 'JOB_DATA':
self.daos[table_name] = JobDataData(
self.db, schema, table_name)
elif table_name == 'JOB_DEPS':
self.daos[table_name] = JobDepsData(
self.db, schema, table_name)
elif table_name == 'JOB_PROG':
self.daos[table_name] = JobProgData(
self.db, schema, table_name)
elif table_name in no_pk_tables:
self.daos[table_name] = no_pk_dao(self.db, schema,
table_name)
else:
self.daos[table_name] = db2util.dao(
self.db, schema, table_name)
except:
logger.error("Error accessing table %s!" % table_name)
self.db.close()
raise
#we opened with a schema, let's make that the default for now.
self.db.prepExec("set current schema %s" % schema)
class IncrID(object):
"""Generator for incrementing integer IDs. At maximum only
one instantiation of IncrID should use DB generation, as
there is only a single ID pool presently supported."""
def __getstate__(self):
d = dict(self.__dict__)
# Can't pickle DB objects
try:
del d['db']
del d['id_DAO']
except KeyError:
# We might not have these two attributes; ignore on failure
# Not checking use_database, as that may not exist in certain
# conditions early in execution
pass
return d
def __setstate__(self, d):
self.__dict__.update(d)
# Downrev state files won't have use_database in the pickle
# Current usage for IncrID doesn't actually use the entire
# pickled object; IncrID is instantiated fresh each run
if not hasattr(self, 'use_database'):
# Unfortunatly we have no idea of knowing in this scope
# if db ID generation is desirable, so assume not
self.use_database = False
self.db = None
self.id_DAO = None
self.hostname = None
self.resource_name = None
if self.use_database:
self.__db_startup()
def __init__(self, use_database=False):
"""Initialize a new IncrID."""
self.idnum = 0
self.use_database = use_database
self.db = None
self.id_DAO = None
self.hostname = None
self.resource_name = None
if self.use_database:
self.__db_startup()
def __db_startup(self):
Cobalt.Util.init_cobalt_config()
if 'db2util' not in sys.modules:
global db2util
import db2util
self.hostname = socket.getfqdn()
self.resource_name = Cobalt.Util.get_config_option(
DB_SECTION, "resource_name")
self.db = db2util.db()
try:
# No defaults here; if the param doesn't exist we may as well bomb out
self.db.connect(
Cobalt.Util.get_config_option(DB_SECTION, "database"),
Cobalt.Util.get_config_option(DB_SECTION, "user"),
Cobalt.Util.get_config_option(DB_SECTION, "pwd"))
except db2util.dbError, err:
# We wanted to log here, but no logging available (yet)
raise
self.id_DAO = db2util.dao(self.db, DB_COMMON_SCHEMA, "JOB_ID")
