def __reattachListenerToSystems(self):
for user in self.db.getAllUsers():
for system in user.managedSystems:
QueueUtil.addSystemQueueHost(self.queueIP,
self.queueCredentials, system)
QueueUtil.addUserAccessToSystem(self.queueIP,
self.queueCredentials, user,
system)
self.queue.listenToMessages(
self.queueIP,
system.name,
binding_keys=[system.name + ".lifecycle.alive"],
username=user.username,
password=user.password,
exchange=system.name,
queueName="alive",
callback=self.handleReceivedAliveMessage)
self.queue.listenToMessages(
self.queueIP,
system.name,
binding_keys=[system.name + ".lifecycle.dead"],
username=user.username,
password=user.password,
exchange=system.name,
queueName="dead",
callback=self.handleReceivedDeadMessage)
self.queue.listenToMessages(
self.queueIP,
system.name,
binding_keys=[system.name + ".events"],
username=user.username,
password=user.password,
exchange=system.name,
queueName="events",
callback=self.handleReceivedEventMessage)
#ensure we start with fresh Result queues, so delete all previous result queues
for unit in self.db.getSystemUnits(system):
self.queue.removeQueue(self.queueIP,
system.name,
queueName=unit.uuid + "-Results",
username=user.username,
password=user.password)
for unit in self.db.getSystemUnits(system):
self.queue.listenToMessages(
self.queueIP,
system.name,
binding_keys=[
system.name + "." + unit.uuid + ".results"
],
username=user.username,
password=user.password,
exchange=unit.name,
queueName=unit.uuid + "-Results",
callback=self.testManagementEngine.
handleReceivedTestResults,
)
def addSystem(self, user, system):
user_dao = UserDAO.toDAO(user)
system_dao = SystemDAO(name=system.name,
description=pickle.dumps(system))
if not self.db.existsUser(user):
return "Credentials for " + user.username + " not correct, or user does not exist"
self.db.add(system_dao)
user_dao = self.db.getUser(
user_dao
) #retrieve the suer form the database to add to it the new managed service
# managedSystemRelationship = UserSystemsDAO(user_id=user_dao.id,system_id=system_dao.id)
# self.db.add(managedSystemRelationship)
user_dao.managedSystems.append(system_dao)
self.db.update(user_dao)
QueueUtil.addSystemQueueHost(self.queueIP, self.queueCredentials,
system)
QueueUtil.addUserAccessToSystem(self.queueIP, self.queueCredentials,
user, system)
self.queue.listenToMessages(
self.queueIP,
system.name,
binding_keys=[system.name + ".lifecycle.alive"],
username=user.username,
password=user.password,
exchange=system.name,
queueName="alive",
callback=self.handleReceivedAliveMessage)
self.queue.listenToMessages(
self.queueIP,
system.name,
binding_keys=[system.name + ".lifecycle.dead"],
username=user.username,
password=user.password,
exchange=system.name,
queueName="dead",
callback=self.handleReceivedDeadMessage)
self.queue.listenToMessages(self.queueIP,
system.name,
binding_keys=[system.name + ".events"],
username=user.username,
password=user.password,
exchange=system.name,
queueName="events",
callback=self.handleReceivedEventMessage)
return system_dao