def __init__(self, io, host='localhost', port=7474, cleanoutdb=False, debug=False
, retries=300, readonly=False, encryption_required=False, use_network=True):
'Initialize and construct a global database instance'
#print >> sys.stderr, 'CALLING NEW initglobal'
CMAdb.log = logging.getLogger('cma')
CMAdb.debug = debug
CMAdb.io = io
from hbring import HbRing
syslog = logging.handlers.SysLogHandler(address='/dev/log'
, facility=logging.handlers.SysLogHandler.LOG_DAEMON)
syslog.setFormatter(logging.Formatter('%(name)s %(levelname)s: %(message)s'))
CMAdb.log.addHandler(syslog)
CMAdb.log.setLevel(logging.DEBUG)
url = ('http://%s:%d/db/data/' % (host, port))
#print >> sys.stderr, 'CREATING GraphDatabaseService("%s")' % url
neodb = neo4j.GraphDatabaseService(url)
self.db = neodb
if cleanoutdb:
CMAdb.log.info('Re-initializing the NEO4j database')
self.delete_all()
self.db = neodb
CMAdb.use_network = use_network
trycount=0
while True:
try:
CMAdb.cdb = CMAdb(db=neodb)
# Neo4j started. All is well with the world.
break
except (RuntimeError, IOError, py2neo.exceptions.ClientError) as exc:
print >> sys.stderr, 'TRYING AGAIN [[%s]...[%s]' % (url, str(exc))
trycount += 1
if trycount > retries:
print >> sys.stderr, ('Neo4j still not started - giving up.')
CMAdb.log.critical('Neo4j still not started - giving up.')
raise RuntimeError('Neo4j not running - giving up [%s]' % str(exc))
if (trycount % 60) == 1:
print >> sys.stderr, ('Waiting for Neo4j [%s] to start [%s].' % (url, str(exc)))
CMAdb.log.warning('Waiting for Neo4j [%s] to start [%s].' % (url, str(exc)))
# Let's try again in a second...
time.sleep(1)
Store.debug = debug
Store.log = CMAdb.log
CMAdb.store = Store(neodb, CMAconsts.uniqueindexes, CMAconsts.classkeymap
, readonly=readonly)
if not readonly:
for classname in GraphNode.classmap:
GraphNode.initclasstypeobj(CMAdb.store, classname)
from transaction import Transaction
CMAdb.transaction = Transaction(encryption_required=encryption_required)
#print >> sys.stderr, 'CMAdb:', CMAdb
#print >> sys.stderr, 'CMAdb.store(cmadb.py):', CMAdb.store
CMAdb.TheOneRing = CMAdb.store.load_or_create(HbRing, name='The_One_Ring'
, ringtype=HbRing.THEONERING)
CMAdb.transaction.commit_trans(io)
#print >> sys.stderr, 'COMMITTING Store'
#print >> sys.stderr, 'Transaction Commit results:', CMAdb.store.commit()
CMAdb.store.commit()
#print >> sys.stderr, 'Store COMMITTED'
else:
CMAdb.transaction = None
dronelist = CMAdb.store.load_in_related(drone, self.ourreltype, Drone)
for elem in dronelist:
ringcount += 1
#print >> sys.stderr \
#, ('%s status: %s mbrcount: %d, nextcount:%d, incount:%d, ringcount:%d'
#% (drone, drone.status, mbrcount, nextcount, incount, ringcount))
assert drone.status == 'up'
assert mbrcount < 2 or 1 == nextcount
assert mbrcount < 2 or 1 == incount
assert 1 == ringcount
for drone in listmembers.keys():
assert(drone in ringmembers)
for drone in ringmembers.keys():
assert(drone in listmembers)
def __str__(self):
ret = 'Ring("%s"' % self.name
#comma = ', ['
#for drone in self.members_ring_order():
# ret += '%s%s' % (comma, drone)
# comma = ', '
#ret += ']'
ret += ')'
return ret
if __name__ == '__main__':
db = CMAdb()
