class testResourceModel(SimpleTestTopology):
+ """
+ Test the general resource model API and functionality.
+ """
def testBaseResourceModelApi(self):
+ """
+ Tast bare API without real resource madel.
+ :return:
+ """
r = BaseResourceModel()
# check if default flavors are there
- assert(len(r._flavors) == 5)
+ self.assertTrue(len(r._flavors) == 5)
# check addFlavor functionality
f = ResourceFlavor("test", {"testmetric": 42})
r.addFlavour(f)
- assert("test" in r._flavors)
- assert(r._flavors.get("test").get("testmetric") == 42)
+ self.assertTrue("test" in r._flavors)
+ self.assertTrue(r._flavors.get("test").get("testmetric") == 42)
# test if allocate and free runs through
- assert(len(r.allocate("testc", "tiny")) == 3) # expected: 3tuple
- assert(r.free("testc"))
+ self.assertTrue(len(r.allocate("testc", "tiny")) == 3) # expected: 3tuple
+ self.assertTrue(r.free("testc"))
def testAddRmToDc(self):
+ """
+ Test is allocate/free is called when a RM is added to a DC.
+ :return:
+ """
# create network
self.createNet(nswitches=0, ndatacenter=1, nhosts=2, ndockers=0)
# setup links
# start Mininet network
self.startNet()
# check number of running nodes
- assert(len(self.getDockernetContainers()) == 0)
- assert(len(self.net.hosts) == 2)
- assert(len(self.net.switches) == 1)
+ self.assertTrue(len(self.getDockernetContainers()) == 0)
+ self.assertTrue(len(self.net.hosts) == 2)
+ self.assertTrue(len(self.net.switches) == 1)
# check resource model and resource model registrar
- assert(self.dc[0]._resource_model is not None)
- assert(len(self.net.rm_registrar.resource_models) == 1)
+ self.assertTrue(self.dc[0]._resource_model is not None)
+ self.assertTrue(len(self.net.rm_registrar.resource_models) == 1)
# check if alloc was called during startCompute
- assert(len(r.allocated_compute_instances) == 0)
+ self.assertTrue(len(r.allocated_compute_instances) == 0)
self.dc[0].startCompute("tc1")
time.sleep(1)
- assert(len(r.allocated_compute_instances) == 1)
+ self.assertTrue(len(r.allocated_compute_instances) == 1)
# check if free was called during stopCompute
self.dc[0].stopCompute("tc1")
- assert(len(r.allocated_compute_instances) == 0)
+ self.assertTrue(len(r.allocated_compute_instances) == 0)
# check connectivity by using ping
- assert(self.net.ping([self.h[0], self.h[1]]) <= 0.0)
+ self.assertTrue(self.net.ping([self.h[0], self.h[1]]) <= 0.0)
# stop Mininet network
self.stopNet()
"""
Test the UpbSimpleCloudDc resource model.
"""
+
def testAllocation(self):
+ """
+ Test the allocation procedures and correct calculations.
+ :return:
+ """
# config
E_CPU = 1.0
MAX_CU = 100
+ E_MEM = 512
+ MAX_MU = 2048
# create dummy resource model environment
- reg = ResourceModelRegistrar(dc_emulation_max_cpu=1.0)
- rm = UpbSimpleCloudDcRM(max_cu=100, max_mu=100)
+ reg = ResourceModelRegistrar(dc_emulation_max_cpu=E_CPU, dc_emulation_max_mem=E_MEM)
+ rm = UpbSimpleCloudDcRM(max_cu=MAX_CU, max_mu=MAX_MU)
reg.register("test_dc", rm)
res = rm.allocate("c1", "tiny") # calculate allocation
- assert(res[0] == E_CPU / MAX_CU * 1) # validate compute result
- assert(res[1] < 0) # validate memory result
- assert(res[2] < 0) # validate disk result
+ self.assertEqual(res[0], E_CPU / MAX_CU * 1) # validate compute result
+ self.assertEqual(res[1], float(E_MEM) / MAX_MU * 32) # validate memory result
+ self.assertTrue(res[2] < 0) # validate disk result
res = rm.allocate("c2", "small") # calculate allocation
- assert(res[0] == E_CPU / MAX_CU * 4) # validate compute result
- assert(res[1] < 0) # validate memory result
- assert(res[2] < 0) # validate disk result
+ self.assertEqual(res[0], E_CPU / MAX_CU * 4) # validate compute result
+ self.assertEqual(res[1], float(E_MEM) / MAX_MU * 128) # validate memory result
+ self.assertTrue(res[2] < 0) # validate disk result
res = rm.allocate("c3", "medium") # calculate allocation
- assert(res[0] == E_CPU / MAX_CU * 8) # validate compute result
- assert(res[1] < 0) # validate memory result
- assert(res[2] < 0) # validate disk result
+ self.assertEqual(res[0], E_CPU / MAX_CU * 8) # validate compute result
+ self.assertEqual(res[1], float(E_MEM) / MAX_MU * 256) # validate memory result
+ self.assertTrue(res[2] < 0) # validate disk result
res = rm.allocate("c4", "large") # calculate allocation
- assert(res[0] == E_CPU / MAX_CU * 16) # validate compute result
- assert(res[1] < 0) # validate memory result
- assert(res[2] < 0) # validate disk result
+ self.assertEqual(res[0], E_CPU / MAX_CU * 16) # validate compute result
+ self.assertEqual(res[1], float(E_MEM) / MAX_MU * 512) # validate memory result
+ self.assertTrue(res[2] < 0) # validate disk result
res = rm.allocate("c5", "xlarge") # calculate allocation
- assert(res[0] == E_CPU / MAX_CU * 32) # validate compute result
- assert(res[1] < 0) # validate memory result
- assert(res[2] < 0) # validate disk result
+ self.assertEqual(res[0], E_CPU / MAX_CU * 32) # validate compute result
+ self.assertEqual(res[1], float(E_MEM) / MAX_MU * 1024) # validate memory result
+ self.assertTrue(res[2] < 0) # validate disk result
+
+ def testAllocationCpuLimit(self):
+ """
+ Test CPU allocation limit
+ :return:
+ """
+ # config
+ E_CPU = 1.0
+ MAX_CU = 100
+ E_MEM = 512
+ MAX_MU = 4096
+ # create dummy resource model environment
+ reg = ResourceModelRegistrar(dc_emulation_max_cpu=E_CPU, dc_emulation_max_mem=E_MEM)
+ rm = UpbSimpleCloudDcRM(max_cu=MAX_CU, max_mu=MAX_MU)
+ reg.register("test_dc", rm)
# test over provisioning exeption
exception = False
rm.allocate("c8", "xlarge") # calculate allocation
rm.allocate("c9", "xlarge") # calculate allocation
except Exception as e:
- assert("Not enough compute" in e.message)
+ self.assertIn("Not enough compute", e.message)
+ exception = True
+ self.assertTrue(exception)
+
+ def testAllocationMemLimit(self):
+ """
+ Test MEM allocation limit
+ :return:
+ """
+ # config
+ E_CPU = 1.0
+ MAX_CU = 500
+ E_MEM = 512
+ MAX_MU = 2048
+ # create dummy resource model environment
+ reg = ResourceModelRegistrar(dc_emulation_max_cpu=E_CPU, dc_emulation_max_mem=E_MEM)
+ rm = UpbSimpleCloudDcRM(max_cu=MAX_CU, max_mu=MAX_MU)
+ reg.register("test_dc", rm)
+
+ # test over provisioning exeption
+ exception = False
+ try:
+ rm.allocate("c6", "xlarge") # calculate allocation
+ rm.allocate("c7", "xlarge") # calculate allocation
+ rm.allocate("c8", "xlarge") # calculate allocation
+ except Exception as e:
+ self.assertIn("Not enough memory", e.message)
exception = True
- assert(exception)
+ self.assertTrue(exception)
def testFree(self):
+ """
+ Test the free procedure.
+ :return:
+ """
# config
E_CPU = 1.0
MAX_CU = 100
# create dummy resource model environment
- reg = ResourceModelRegistrar(dc_emulation_max_cpu=1.0)
+ reg = ResourceModelRegistrar(dc_emulation_max_cpu=1.0, dc_emulation_max_mem=512)
rm = UpbSimpleCloudDcRM(max_cu=100, max_mu=100)
reg.register("test_dc", rm)
rm.allocate("c1", "tiny") # calculate allocation
- assert(rm.dc_alloc_cu == 1)
+ self.assertTrue(rm.dc_alloc_cu == 1)
rm.free("c1")
- assert(rm.dc_alloc_cu == 0)
+ self.assertTrue(rm.dc_alloc_cu == 0)
+
+ def testInRealTopo(self):
+ """
+ Start a real container and check if limitations are really passed down to Dockernet.
+ :return:
+ """
+ # create network
+ self.createNet(nswitches=0, ndatacenter=1, nhosts=2, ndockers=0)
+ # setup links
+ self.net.addLink(self.dc[0], self.h[0])
+ self.net.addLink(self.h[1], self.dc[0])
+ # add resource model
+ r = UpbSimpleCloudDcRM(max_cu=100, max_mu=100)
+ self.dc[0].assignResourceModel(r)
+ # start Mininet network
+ self.startNet()
+ # check number of running nodes
+ self.assertTrue(len(self.getDockernetContainers()) == 0)
+ self.assertTrue(len(self.net.hosts) == 2)
+ self.assertTrue(len(self.net.switches) == 1)
+ # check resource model and resource model registrar
+ self.assertTrue(self.dc[0]._resource_model is not None)
+ self.assertTrue(len(self.net.rm_registrar.resource_models) == 1)
+
+ # check if alloc was called during startCompute
+ self.assertTrue(len(r.allocated_compute_instances) == 0)
+ tc1 = self.dc[0].startCompute("tc1", flavor_name="tiny")
+ time.sleep(1)
+ self.assertTrue(len(r.allocated_compute_instances) == 1)
+
+ # check if there is a real limitation set for containers cgroup
+ self.assertEqual(tc1.cpu_period/tc1.cpu_quota, 100)
+
+ # check if free was called during stopCompute
+ self.dc[0].stopCompute("tc1")
+ self.assertTrue(len(r.allocated_compute_instances) == 0)
+ # check connectivity by using ping
+ self.assertTrue(self.net.ping([self.h[0], self.h[1]]) <= 0.0)
+ # stop Mininet network
+ self.stopNet()
projects / osm / vim-emu.git / blobdiff