'record_id_slice': 'integer', 'slice_hrn': 'text NOT NULL'}
#Dict with all the specific iotlab tables
-tablenames_dict = {'iotlab_xp': slice_table}
+# tablenames_dict = {'lease_table': slice_table}
-IotlabBase = declarative_base()
+TestbedBase = declarative_base()
-class IotlabXP (IotlabBase):
+class LeaseTableXP (TestbedBase):
""" SQL alchemy class to manipulate the rows of the slice_iotlab table in
- iotlab_sfa database. Handles the records representation and creates the
+ lease_table database. Handles the records representation and creates the
table if it does not exist yet.
"""
- __tablename__ = 'iotlab_xp'
+ __tablename__ = 'lease_table'
slice_hrn = Column(String)
- job_id = Column(Integer, primary_key=True)
+ experiment_id = Column(Integer, primary_key=True)
end_time = Column(Integer, nullable=False)
- def __init__(self, slice_hrn=None, job_id=None, end_time=None):
+ def __init__(self, slice_hrn=None, experiment_id=None, end_time=None):
"""
Defines a row of the slice_iotlab table
"""
if slice_hrn:
self.slice_hrn = slice_hrn
- if job_id:
- self.job_id = job_id
+ if experiment_id:
+ self.experiment_id = experiment_id
if end_time:
self.end_time = end_time
"""Prints the SQLAlchemy record to the format defined
by the function.
"""
- result = "<iotlab_xp : slice_hrn = %s , job_id %s end_time = %s" \
- % (self.slice_hrn, self.job_id, self.end_time)
+ result = "<lease_table : slice_hrn = %s , experiment_id %s end_time = %s" \
+ % (self.slice_hrn, self.experiment_id, self.end_time)
result += ">"
return result
-class IotlabDB(object):
+class TestbedAdditionalSfaDB(object):
""" SQL Alchemy connection class.
From alchemy.py
"""
# Stores the unique Singleton instance-
_connection_singleton = None
# defines the database name
- dbname = "iotlab_sfa"
+ dbname = "testbed_xp"
class Singleton:
"""
"""
def __init__(self, config, debug=False):
- self.iotlab_engine = None
- self.iotlab_session = None
+ self.testbed_engine = None
+ self.testbed_session = None
self.url = None
- self.create_iotlab_engine(config, debug)
+ self.create_testbed_engine(config, debug)
self.session()
- def create_iotlab_engine(self, config, debug=False):
+ def create_testbed_engine(self, config, debug=False):
"""Creates the SQLAlchemy engine, which is the starting point for
any SQLAlchemy application.
:param config: configuration object created by SFA based on the
# - omitting the hostname does the trick
unix_url = "postgresql+psycopg2://%s:%s@:%s/%s" \
% (config.SFA_DB_USER, config.SFA_DB_PASSWORD,
- config.SFA_DB_PORT, IotlabDB.dbname)
+ config.SFA_DB_PORT, TestbedAdditionalSfaDB.dbname)
# the TCP fallback method
tcp_url = "postgresql+psycopg2://%s:%s@%s:%s/%s" \
% (config.SFA_DB_USER, config.SFA_DB_PASSWORD,
- config.SFA_DB_HOST, config.SFA_DB_PORT, IotlabDB.dbname)
+ config.SFA_DB_HOST, config.SFA_DB_PORT, TestbedAdditionalSfaDB.dbname)
for url in [unix_url, tcp_url]:
try:
- self.iotlab_engine = create_engine(
+ self.testbed_engine = create_engine(
url, echo_pool=l_echo_pool, echo=l_echo)
self.check()
self.url = url
return
except:
pass
- self.iotlab_engine = None
+ self.testbed_engine = None
raise Exception("Could not connect to database")
on the table.
"""
- self.iotlab_engine.execute("select 1").scalar()
+ self.testbed_engine.execute("select 1").scalar()
def session(self):
tables for this given database.
"""
- if self.iotlab_session is None:
+ if self.testbed_session is None:
Session = sessionmaker()
- self.iotlab_session = Session(bind=self.iotlab_engine)
- return self.iotlab_session
+ self.testbed_session = Session(bind=self.testbed_engine)
+ return self.testbed_session
def close_session(self):
"""
Closes connection to database.
"""
- if self.iotlab_session is None:
+ if self.testbed_session is None:
return
- self.iotlab_session.close()
- self.iotlab_session = None
+ self.testbed_session.close()
+ self.testbed_session = None
- def update_jobs_in_iotlabdb(self, job_oar_list, jobs_psql):
+ def update_experiments_in_additional_sfa_db(self,
+ experiment_list_from_testbed, experiment_list_in_db):
""" Cleans the iotlab db by deleting expired and cancelled jobs.
- Compares the list of job ids given by OAR with the job ids that
- are already in the database, deletes the jobs that are no longer in
- the OAR job id list.
+ Compares the list of experiment ids given by the testbed with the
+ experiment ids that are already in the database, deletes the
+ experiments that are no longer in the testbed experiment id list.
- :param job_oar_list: list of job ids coming from OAR
- :type job_oar_list: list
- :param job_psql: list of job ids from the database.
- :type job_psql: list
+ :param experiment_list_from_testbed: list of experiment ids coming
+ from testbed
+ :type experiment_list_from_testbed: list
+ :param experiment_list_in_db: list of experiment ids from the sfa
+ additionnal database.
+ :type experiment_list_in_db: list
:returns: None
"""
#Turn the list into a set
- set_jobs_psql = set(jobs_psql)
-
- kept_jobs = set(job_oar_list).intersection(set_jobs_psql)
- logger.debug("\r\n \t update_jobs_in_iotlabdb jobs_psql %s \r\n \
- job_oar_list %s kept_jobs %s "
- % (set_jobs_psql, job_oar_list, kept_jobs))
- deleted_jobs = set_jobs_psql.difference(kept_jobs)
- deleted_jobs = list(deleted_jobs)
- if len(deleted_jobs) > 0:
- self.iotlab_session.query(IotlabXP).filter(IotlabXP.job_id.in_(deleted_jobs)).delete(synchronize_session='fetch')
- self.iotlab_session.commit()
+ set_experiment_list_in_db = set(experiment_list_in_db)
+
+ kept_experiments = set(experiment_list_from_testbed).intersection(set_experiment_list_in_db)
+ logger.debug("\r\n \t update_experiments_in_additional_sfa_db \
+ experiment_list_in_db %s \r\n \
+ experiment_list_from_testbed %s \
+ kept_experiments %s "
+ % (set_experiment_list_in_db,
+ experiment_list_from_testbed, kept_experiments))
+ deleted_experiments = set_experiment_list_in_db.difference(
+ kept_experiments)
+ deleted_experiments = list(deleted_experiments)
+ if len(deleted_experiments) > 0:
+ self.testbed_session.query(LeaseTableXP).filter(LeaseTableXP.job_id.in_(deleted_experiments)).delete(synchronize_session='fetch')
+ self.testbed_session.commit()
return
def __init__(self, config, debug=False):
- self.sl_base = IotlabBase
+ self.sl_base = TestbedBase
# Check whether we already have an instance
- if IotlabDB._connection_singleton is None:
- IotlabDB._connection_singleton = IotlabDB.Singleton(config, debug)
+ if TestbedAdditionalSfaDB._connection_singleton is None:
+ TestbedAdditionalSfaDB._connection_singleton = \
+ TestbedAdditionalSfaDB.Singleton(config, debug)
# Store instance reference as the only member in the handle
- self._EventHandler_singleton = IotlabDB._connection_singleton
+ self._EventHandler_singleton = \
+ TestbedAdditionalSfaDB._connection_singleton
def __getattr__(self, aAttr):
"""
:rtype: bool
"""
- metadata = MetaData(bind=self.iotlab_engine)
+ metadata = MetaData(bind=self.testbed_engine)
try:
table = Table(tablename, metadata, autoload=True)
return True
"""
- logger.debug("SLABPOSTGRES createtable \
- IotlabBase.metadata.sorted_tables %s \r\n engine %s"
- % (IotlabBase.metadata.sorted_tables, self.iotlab_engine))
- IotlabBase.metadata.create_all(self.iotlab_engine)
+ logger.debug("IOTLABPOSTGRES createtable \
+ TestbedBase.metadata.sorted_tables %s \r\n engine %s"
+ % (TestbedBase.metadata.sorted_tables, self.testbed_engine))
+ TestbedBase.metadata.create_all(self.testbed_engine)
return