+class Channel(ResourceManager):
+ _rtype = "Channel"
+
+ def __init__(self, ec, guid):
+ super(Channel, self).__init__(ec, guid)
+
+ def deploy(self):
+ time.sleep(1)
+ super(Channel, self).deploy()
+ self.logger.debug(" -------- DEPLOYED ------- ")
+
+class Interface(ResourceManager):
+ _rtype = "Interface"
+
+ def __init__(self, ec, guid):
+ super(Interface, self).__init__(ec, guid)
+
+ def deploy(self):
+ node = self.get_connected(Node.rtype())[0]
+ chan = self.get_connected(Channel.rtype())[0]
+
+ if node.state < ResourceState.PROVISIONED:
+ self.ec.schedule("0.5s", self.deploy)
+ elif chan.state < ResourceState.READY:
+ self.ec.schedule("0.5s", self.deploy)
+ else:
+ time.sleep(2)
+ super(Interface, self).deploy()
+ self.logger.debug(" -------- DEPLOYED ------- ")
+
+class Node(ResourceManager):
+ _rtype = "Node"
+
+ def __init__(self, ec, guid):
+ super(Node, self).__init__(ec, guid)
+
+ def deploy(self):
+ if self.state == ResourceState.NEW:
+ self.discover()
+ self.provision()
+ self.logger.debug(" -------- PROVISIONED ------- ")
+ self.ec.schedule("3s", self.deploy)
+ elif self.state == ResourceState.PROVISIONED:
+ ifaces = self.get_connected(Interface.rtype())
+ for rm in ifaces:
+ if rm.state < ResourceState.READY:
+ self.ec.schedule("0.5s", self.deploy)
+ return
+
+ super(Node, self).deploy()
+ self.logger.debug(" -------- DEPLOYED ------- ")
+
+class Application(ResourceManager):
+ _rtype = "Application"
+
+ def __init__(self, ec, guid):
+ super(Application, self).__init__(ec, guid)
+
+ def deploy(self):
+ node = self.get_connected(Node.rtype())[0]
+ if node.state < ResourceState.READY:
+ self.ec.schedule("0.5s", self.deploy)
+ else:
+ super(Application, self).deploy()
+ self.logger.debug(" -------- DEPLOYED ------- ")
+
+class ResourceManagerTestCase(unittest.TestCase):
+ def test_deploy_in_order(self):
+ """
+ Test scenario: 2 applications running one on 1 node each.
+ Nodes are connected to Interfaces which are connected
+ through a channel between them.
+
+ - Application needs to wait until Node is ready to be ready
+ - Node needs to wait until Interface is ready to be ready
+ - Interface needs to wait until Node is provisioned to be ready
+ - Interface needs to wait until Channel is ready to be ready
+ - The channel doesn't wait for any other resource to be ready
+
+ """
+ from neco.execution.resource import ResourceFactory
+
+ ResourceFactory.register_type(Application)
+ ResourceFactory.register_type(Node)
+ ResourceFactory.register_type(Interface)
+ ResourceFactory.register_type(Channel)
+
+ ec = ExperimentController()
+
+ app1 = ec.register_resource("Application")
+ app2 = ec.register_resource("Application")
+ node1 = ec.register_resource("Node")
+ node2 = ec.register_resource("Node")
+ iface1 = ec.register_resource("Interface")
+ iface2 = ec.register_resource("Interface")
+ chan = ec.register_resource("Channel")
+
+ ec.register_connection(app1, node1)
+ ec.register_connection(app2, node2)
+ ec.register_connection(iface1, node1)
+ ec.register_connection(iface2, node2)
+ ec.register_connection(iface1, chan)
+ ec.register_connection(iface2, chan)
+
+ try:
+ ec.deploy()
+
+ while not all([ ec.state(guid) == ResourceState.STARTED \
+ for guid in [app1, app2, node1, node2, iface1, iface2, chan]]):
+ time.sleep(0.5)
+
+ finally:
+ ec.shutdown()
+
+ rmapp1 = ec.get_resource(app1)
+ rmapp2 = ec.get_resource(app2)
+ rmnode1 = ec.get_resource(node1)
+ rmnode2 = ec.get_resource(node2)
+ rmiface1 = ec.get_resource(iface1)
+ rmiface2 = ec.get_resource(iface2)
+ rmchan = ec.get_resource(chan)
+
+ ## Validate deploy order
+ # - Application needs to wait until Node is ready to be ready
+ self.assertTrue(rmnode1.ready_time < rmapp1.ready_time)
+ self.assertTrue(rmnode2.ready_time < rmapp2.ready_time)
+
+ # - Node needs to wait until Interface is ready to be ready
+ self.assertTrue(rmnode1.ready_time > rmiface1.ready_time)
+ self.assertTrue(rmnode2.ready_time > rmiface2.ready_time)
+
+ # - Interface needs to wait until Node is provisioned to be ready
+ self.assertTrue(rmnode1.provision_time < rmiface1.ready_time)
+ self.assertTrue(rmnode2.provision_time < rmiface2.ready_time)
+
+ # - Interface needs to wait until Channel is ready to be ready
+ self.assertTrue(rmchan.ready_time < rmiface1.ready_time)
+ self.assertTrue(rmchan.ready_time < rmiface2.ready_time)
+
+ def test_start_with_condition(self):
+ # TODO!!!
+ pass
+
+ def test_stop_with_condition(self):
+ # TODO!!!
+ pass
+
+ def test_set_with_condition(self):
+ # TODO!!!
+ pass
+
+