def __init__(self, kernel):
self.kernel = kernel
self.logger = kernel.logger
self.dispatcher = kernel.dispatcher
self.spComparator = ServicePSCComparator()
self.dispatcher.register('psc.service.loader', self, 'domain_control')
self.callBackChannel = 'psc.service.loader.%s%s' % (kernel.guid, crypto.makeCookie(10))
self.dispatcher.register(self.callBackChannel, self, 'domain_control')
def test_makeCookie(self):
# limited amount to test here, but check
# the length is good and the characters all
# come from the tokenspace
# Try 100 times (a lame test really!)
for i in xrange(100):
l = random.randint(1, 2000)
cookie = crypto.makeCookie(l)
self.assertTrue(len(cookie), l)
ct = [i for i in cookie if i not in crypto.tokenspace]
self.assertEquals(ct, [])
def __init__(self, kernel, serviceName, profile):
self.kernel = kernel
self.logger = kernel.logger
self.dispatcher = kernel.dispatcher
self.serviceName = serviceName
self.publishedName = profile['publishedName']
self.profile = profile
self.callBackChannel = 'psc.service.loader.%s%s' % (kernel.guid, crypto.makeCookie(10))
self.dispatcher.register(self.callBackChannel, self, 'domain_control')
# on this channel we get notified of a PSC having launched a service.
self.dispatcher.register('psc.service.notification', self, 'domain_control')
# this counter gets decremented as services are launched. Once
# the counter hits zero, our job is done.
try:
try:
self.pscRequired = int(self.profile['launch']['minpscs'])
except:
self.logger.error("'minpscs' key in configuration for service %s has an invalid value (%s): default to 2" \
% (self.serviceName, self.profile['launch']['minpscs']))
self.pscRequired=2
self.launchPending = 0
# list of PSCs that have offered to run the service
self.pscReadyQueue = []
except KeyError:
self.pscRequired = 2
self.profile['launch']['minpscs'] = self.pscRequired
try:
self.workersPerPSC = self.profile['launch']['workserperpsc']
except KeyError:
self.workersPerPSC = 2
self.profile['launch']['workserperpsc'] = self.workersPerPSC
self.workersRequired = self.pscRequired * self.workersPerPSC
