applied the except and raise fixers to the master branch to close the gap with py3
[nepi.git] / test / execution / resource.py
index 8f5a2b5..0945e9b 100755 (executable)
@@ -1,12 +1,33 @@
 #!/usr/bin/env python
-from neco.execution.attribute import Attribute
-from neco.execution.ec import ExperimentController 
-from neco.execution.resource import ResourceManager, ResourceState, clsinit
-
+#
+#    NEPI, a framework to manage network experiments
+#    Copyright (C) 2013 INRIA
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License version 2 as
+#    published by the Free Software Foundation;
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+
+from nepi.execution.attribute import Attribute
+from nepi.execution.ec import ExperimentController, FailureLevel 
+from nepi.execution.resource import ResourceManager, ResourceState, \
+        clsinit_copy, ResourceAction
+
+import random
 import time
 import unittest
 
-@clsinit
+@clsinit_copy
 class MyResource(ResourceManager):
     _rtype = "MyResource"
 
@@ -18,30 +39,12 @@ class MyResource(ResourceManager):
     def __init__(self, ec, guid):
         super(MyResource, self).__init__(ec, guid)
 
-@clsinit
+@clsinit_copy
 class AnotherResource(ResourceManager):
     _rtype = "AnotherResource"
 
     def __init__(self, ec, guid):
         super(AnotherResource, self).__init__(ec, guid)
-     
-class ResourceFactoryTestCase(unittest.TestCase):
-    def test_add_resource_factory(self):
-        from neco.execution.resource import ResourceFactory
-
-        ResourceFactory.register_type(MyResource)
-        ResourceFactory.register_type(AnotherResource)
-
-        self.assertEquals(MyResource.rtype(), "MyResource")
-        self.assertEquals(len(MyResource._attributes), 1)
-
-        self.assertEquals(ResourceManager.rtype(), "Resource")
-        self.assertEquals(len(ResourceManager._attributes), 0)
-
-        self.assertEquals(AnotherResource.rtype(), "AnotherResource")
-        self.assertEquals(len(AnotherResource._attributes), 0)
-
-        self.assertEquals(len(ResourceFactory.resource_types()), 2)
 
 class Channel(ResourceManager):
     _rtype = "Channel"
@@ -49,9 +52,9 @@ class Channel(ResourceManager):
     def __init__(self, ec, guid):
         super(Channel, self).__init__(ec, guid)
 
-    def deploy(self):
+    def do_deploy(self):
         time.sleep(1)
-        super(Channel, self).deploy()
+        super(Channel, self).do_deploy()
         self.logger.debug(" -------- DEPLOYED ------- ")
        
 class Interface(ResourceManager):
@@ -60,9 +63,9 @@ class Interface(ResourceManager):
     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]
+    def do_deploy(self):
+        node = self.get_connected(Node.get_rtype())[0]
+        chan = self.get_connected(Channel.get_rtype())[0]
 
         if node.state < ResourceState.PROVISIONED:
             self.ec.schedule("0.5s", self.deploy)
@@ -70,7 +73,7 @@ class Interface(ResourceManager):
             self.ec.schedule("0.5s", self.deploy)
         else:
             time.sleep(2)
-            super(Interface, self).deploy()
+            super(Interface, self).do_deploy()
             self.logger.debug(" -------- DEPLOYED ------- ")
 
 class Node(ResourceManager):
@@ -79,20 +82,20 @@ class Node(ResourceManager):
     def __init__(self, ec, guid):
         super(Node, self).__init__(ec, guid)
 
-    def deploy(self):
+    def do_deploy(self):
         if self.state == ResourceState.NEW:
-            self.discover()
-            self.provision()
+            self.do_discover()
+            self.do_provision()
             self.logger.debug(" -------- PROVISIONED ------- ")
-            self.ec.schedule("3s", self.deploy)
+            self.ec.schedule("1s", self.deploy)
         elif self.state == ResourceState.PROVISIONED:
-            ifaces = self.get_connected(Interface.rtype())
+            ifaces = self.get_connected(Interface.get_rtype())
             for rm in ifaces:
                 if rm.state < ResourceState.READY:
                     self.ec.schedule("0.5s", self.deploy)
                     return 
 
-            super(Node, self).deploy()
+            super(Node, self).do_deploy()
             self.logger.debug(" -------- DEPLOYED ------- ")
 
 class Application(ResourceManager):
@@ -101,15 +104,89 @@ class Application(ResourceManager):
     def __init__(self, ec, guid):
         super(Application, self).__init__(ec, guid)
 
-    def deploy(self):
-        node = self.get_connected(Node.rtype())[0]
+    def do_deploy(self):
+        node = self.get_connected(Node.get_rtype())[0]
         if node.state < ResourceState.READY:
             self.ec.schedule("0.5s", self.deploy)
         else:
-            super(Application, self).deploy()
+            time.sleep(random.random() * 2)
+            super(Application, self).do_deploy()
             self.logger.debug(" -------- DEPLOYED ------- ")
 
+    def do_start(self):
+        super(Application, self).do_start()
+        time.sleep(random.random() * 3)
+        self.ec.schedule("0.5s", self.stop)
+
+class ErrorApplication(ResourceManager):
+    _rtype = "ErrorApplication"
+
+    def __init__(self, ec, guid):
+        super(ErrorApplication, self).__init__(ec, guid)
+
+    def do_deploy(self):
+        node = self.get_connected(Node.get_rtype())[0]
+        if node.state < ResourceState.READY:
+            self.ec.schedule("0.5s", self.deploy)
+        else:
+            time.sleep(random.random() * 2)
+            raise RuntimeError("NOT A REAL ERROR. JUST TESTING")
+
+class ResourceFactoryTestCase(unittest.TestCase):
+    def test_add_resource_factory(self):
+        from nepi.execution.resource import ResourceFactory
+
+        ResourceFactory._resource_types = dict()
+        ResourceFactory.register_type(MyResource)
+        ResourceFactory.register_type(AnotherResource)
+
+        # Take into account default 'Critical' attribute
+        self.assertEquals(MyResource.get_rtype(), "MyResource")
+        self.assertEquals(len(MyResource._attributes), 3)
+
+        self.assertEquals(ResourceManager.get_rtype(), "Resource")
+        self.assertEquals(len(ResourceManager._attributes), 2)
+
+        self.assertEquals(AnotherResource.get_rtype(), "AnotherResource")
+        self.assertEquals(len(AnotherResource._attributes), 2)
+
+        self.assertEquals(len(ResourceFactory.resource_types()), 2)
+        
+        # restore factory state for other tests
+        from nepi.execution.resource import populate_factory
+        ResourceFactory._resource_types = dict()
+        populate_factory()
+
 class ResourceManagerTestCase(unittest.TestCase):
+    def test_register_condition(self):
+        ec = ExperimentController()
+        rm = ResourceManager(ec, 15)
+
+        group = [1,3,5,7]
+        rm.register_condition(ResourceAction.START, group,
+                ResourceState.STARTED)
+
+        group = [10,8]
+        rm.register_condition(ResourceAction.START,
+                group, ResourceState.STARTED, time = "10s")
+
+        waiting_for = []
+        conditions = rm.conditions.get(ResourceAction.START)
+        for (group, state, time) in conditions:
+            waiting_for.extend(group)
+
+        self.assertEquals(waiting_for, [1, 3, 5, 7, 10, 8])
+
+        group = [1, 2, 3, 4, 6]
+        rm.unregister_condition(group)
+
+        waiting_for = []
+        conditions = rm.conditions.get(ResourceAction.START)
+        for (group, state, time) in conditions:
+            waiting_for.extend(group)
+
+        self.assertEquals(waiting_for, [5, 7, 10, 8])
+
     def test_deploy_in_order(self):
         """
         Test scenario: 2 applications running one on 1 node each. 
@@ -123,7 +200,7 @@ class ResourceManagerTestCase(unittest.TestCase):
          - The channel doesn't wait for any other resource to be ready
 
         """
-        from neco.execution.resource import ResourceFactory
+        from nepi.execution.resource import ResourceFactory
         
         ResourceFactory.register_type(Application)
         ResourceFactory.register_type(Node)
@@ -147,15 +224,12 @@ class ResourceManagerTestCase(unittest.TestCase):
         ec.register_connection(iface1, chan)
         ec.register_connection(iface2, chan)
 
-        try:
-            ec.deploy()
+        ec.deploy()
 
-            while not all([ ec.state(guid) == ResourceState.STARTED \
-                    for guid in [app1, app2, node1, node2, iface1, iface2, chan]]):
-                time.sleep(0.5)
+        guids = [app1, app2]
+        ec.wait_finished(guids)
 
-        finally:
-            ec.shutdown()
+        ec.shutdown()
 
         rmapp1 = ec.get_resource(app1)
         rmapp2 = ec.get_resource(app2)
@@ -170,27 +244,174 @@ class ResourceManagerTestCase(unittest.TestCase):
         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
+        # - 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
+        # - 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
+        # - 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_concurrency(self):
+        from nepi.execution.resource import ResourceFactory
+        
+        ResourceFactory.register_type(Application)
+        ResourceFactory.register_type(Node)
+        ResourceFactory.register_type(Interface)
+        ResourceFactory.register_type(Channel)
+
+        ec = ExperimentController()
+
+        node = ec.register_resource("Node")
+
+        apps = list()
+        for i in xrange(1000):
+            app = ec.register_resource("Application")
+            ec.register_connection(app, node)
+            apps.append(app)
+
+        ec.deploy()
+
+        ec.wait_finished(apps)
+        
+        self.assertTrue(ec.state(node) == ResourceState.STARTED)
+        self.assertTrue(
+               all([ec.state(guid) == ResourceState.STOPPED \
+                for guid in apps])
+                )
+
+        ec.shutdown()
+
+    def test_exception(self):
+        from nepi.execution.resource import ResourceFactory
+        
+        ResourceFactory.register_type(ErrorApplication)
+        ResourceFactory.register_type(Node)
+        ResourceFactory.register_type(Interface)
+
+        ec = ExperimentController()
+
+        node = ec.register_resource("Node")
+
+        app = ec.register_resource("ErrorApplication")
+        ec.register_connection(app, node)
+
+        ec.deploy()
+
+        ec.wait_finished(app)
+
+        ec.shutdown()
+
+        self.assertEquals(ec._fm._failure_level, FailureLevel.RM_FAILURE)
+
+    def test_critical(self):
+        from nepi.execution.resource import ResourceFactory
+        
+        ResourceFactory.register_type(ErrorApplication)
+        ResourceFactory.register_type(Application)
+        ResourceFactory.register_type(Node)
+        ResourceFactory.register_type(Interface)
+
+        ec = ExperimentController()
+
+        node = ec.register_resource("Node")
+
+        apps = list()
+        
+        eapp = ec.register_resource("ErrorApplication")
+        ec.set(eapp, "critical", False)
+        ec.register_connection(eapp, node)
+        apps.append(eapp)
+
+        for i in xrange(10):
+            app = ec.register_resource("Application")
+            ec.register_connection(app, node)
+            apps.append(app)
+
+        ec.deploy()
+
+        ec.wait_finished(apps)
+        
+        state = ec.state(eapp)
+        self.assertEquals(state, ResourceState.FAILED)
+      
+        apps.remove(eapp)
+
+        for app in apps:
+            state = ec.state(app)
+            self.assertEquals(state, ResourceState.STOPPED)
+        
+        ec.shutdown()
+
+        self.assertEquals(ec._fm._failure_level, FailureLevel.OK)
+
     def test_start_with_condition(self):
-        # TODO!!!
-        pass
-    
+        from nepi.execution.resource import ResourceFactory
+        
+        ResourceFactory.register_type(Application)
+        ResourceFactory.register_type(Node)
+        ResourceFactory.register_type(Interface)
+
+        ec = ExperimentController()
+
+        node = ec.register_resource("Node")
+
+        app1 = ec.register_resource("Application")
+        ec.register_connection(app1, node)
+
+        app2 = ec.register_resource("Application")
+        ec.register_connection(app2, node)
+
+        ec.register_condition(app2, ResourceAction.START, app1, 
+                ResourceState.STARTED, time = "5s")
+
+        ec.deploy()
+
+        ec.wait_finished([app1, app2])
+        
+        rmapp1 = ec.get_resource(app1)
+        rmapp2 = ec.get_resource(app2)
+
+        self.assertTrue(rmapp2.start_time > rmapp1.start_time)
+        
+        ec.shutdown()
+
     def test_stop_with_condition(self):
-        # TODO!!!
-        pass
+        from nepi.execution.resource import ResourceFactory
+        
+        ResourceFactory.register_type(Application)
+        ResourceFactory.register_type(Node)
+        ResourceFactory.register_type(Interface)
+
+        ec = ExperimentController()
+
+        node = ec.register_resource("Node")
+
+        app1 = ec.register_resource("Application")
+        ec.register_connection(app1, node)
+
+        app2 = ec.register_resource("Application")
+        ec.register_connection(app2, node)
+
+        ec.register_condition(app2, ResourceAction.START, app1, 
+                ResourceState.STOPPED)
+
+        ec.deploy()
+
+        ec.wait_finished([app1, app2])
+        
+        rmapp1 = ec.get_resource(app1)
+        rmapp2 = ec.get_resource(app2)
+
+        self.assertTrue(rmapp2.start_time > rmapp1.stop_time)
+        
+        ec.shutdown()
 
-    def test_set_with_condition(self):
+    def ztest_set_with_condition(self):
         # TODO!!!
         pass