def _boot_vm_under_test(storage_backing, ephemeral, swap, cpu_pol, vcpus,
vm_type):
LOG.tc_step(
"Create a flavor with {} vcpus, {}G ephemera disk, {}M swap "
"disk".format(vcpus, ephemeral, swap))
flavor_id = nova_helper.create_flavor(
name='migration_test', ephemeral=ephemeral, swap=swap, vcpus=vcpus,
storage_backing=storage_backing, cleanup='function')[1]
if cpu_pol is not None:
specs = {FlavorSpec.CPU_POLICY: cpu_pol}
LOG.tc_step("Add following extra specs: {}".format(specs))
nova_helper.set_flavor(flavor=flavor_id, **specs)
boot_source = 'volume' if vm_type == 'volume' else 'image'
LOG.tc_step("Boot a vm from {}".format(boot_source))
vm_id = vm_helper.boot_vm('migration_test',
flavor=flavor_id, source=boot_source,
reuse_vol=False,
cleanup='function')[1]
if vm_type == 'image_with_vol':
LOG.tc_step("Attach volume to vm")
vm_helper.attach_vol_to_vm(vm_id=vm_id, mount=False)
return vm_id
def test_boot_windows_guest():
"""
Boot a windows guest to assist for manual testing on windows guest
"""
# Change the following parameters to change the vm type.
guest = 'win_2012' # such as tis-centos-guest
storage = 'local_image' # local_lvm, local_image, or remote
boot_source = 'image' # volume or image
LOG.tc_step("Get/Create {} glance image".format(guest))
glance_helper.get_guest_image(guest_os=guest)
LOG.tc_step("Create flavor with {} storage backing".format(storage))
flv_id = nova_helper.create_flavor(name='{}-{}'.format(storage, guest),
vcpus=4,
ram=8192,
storage_backing=storage,
guest_os=guest)[1]
nova_helper.set_flavor(flv_id, **{FlavorSpec.CPU_POLICY: 'dedicated'})
LOG.tc_step("Boot {} vm".format(guest))
vm_id = vm_helper.boot_vm(name='{}-{}'.format(guest, storage),
flavor=flv_id,
guest_os=guest,
source=boot_source)[1]
LOG.tc_step("Ping vm and ssh to it")
vm_helper.wait_for_vm_pingable_from_natbox(vm_id)
with vm_helper.ssh_to_vm_from_natbox(vm_id) as vm_ssh:
code, output = vm_ssh.exec_cmd('pwd', fail_ok=False)
LOG.info(output)
LOG.info(
"{} is successfully booted from {} with {} storage backing".format(
guest, boot_source, storage))
def test_set_flavor_extra_specs(flavor_to_test, extra_spec_name, values):
"""
Args:
flavor_to_test:
extra_spec_name:
values:
Setups:
- Create a basic flavor
Test Steps:
- Set specific extra spec to given values for the basic flavor
- Check extra spec is now included in the flavor
Teardown:
- Delete the basic flavor
"""
for value in values:
value = str(value)
extra_spec = {extra_spec_name: value}
LOG.tc_step("Set flavor extra spec to: {} and verify extra spec is set successfully.".format(extra_spec))
nova_helper.set_flavor(flavor=flavor_to_test, **extra_spec)
post_extra_spec = nova_helper.get_flavor_properties(flavor=flavor_to_test)
assert post_extra_spec[extra_spec_name] == value, "Actual flavor extra specs: {}".format(post_extra_spec)
def create_rt_vm(hypervisor):
global testable_hypervisors
LOG.tc_step('Create/get glance image using rt guest image')
image_id = glance_helper.get_guest_image(guest_os='tis-centos-guest-rt',
cleanup='module')
vcpu_count = VM_CPU_NUM
non_rt_core = 0
LOG.tc_step(
'Create a flavor with specified cpu model, cpu policy, realtime mask, and 2M pagesize'
)
flavor_id, storage_backing = nova_helper.create_flavor(
ram=1024, vcpus=vcpu_count, root_disk=2,
storage_backing='local_image')[1:3]
cpu_info = dict(testable_hypervisors[hypervisor]['cpu_info'])
extra_specs = {
FlavorSpec.VCPU_MODEL: cpu_info['model'],
FlavorSpec.CPU_POLICY: 'dedicated',
FlavorSpec.CPU_REALTIME: 'yes',
FlavorSpec.CPU_REALTIME_MASK: '^{}'.format(non_rt_core),
FlavorSpec.MEM_PAGE_SIZE: 2048,
}
nova_helper.set_flavor(flavor_id, **extra_specs)
LOG.tc_step(
'Boot a VM with rt flavor and image on the targeted hypervisor: {}'.
format(hypervisor))
vm_id = vm_helper.boot_vm(flavor=flavor_id,
source='image',
source_id=image_id,
vm_host=hypervisor,
cleanup='function')[1]
return vm_id, vcpu_count, non_rt_core
def create_flavor(vm_type, flavor_type=None, name=core_flavor_name):
global g_flavors
extra_specs = {}
if 'non_vtpm' in vm_type or (flavor_type and 'non_vtpm' in flavor_type):
name += '_nonvtpm'
extra_specs['sw:wrs:vtpm'] = 'false'
else:
extra_specs['sw:wrs:vtpm'] = 'true'
if 'non_autorc' in vm_type or (flavor_type
and 'non_autorc' in flavor_type):
name += '_nonrc'
extra_specs['sw:wrs:auto_recovery'] = 'false'
elif 'autorc' in vm_type or (flavor_type and 'autorc' in flavor_type):
name += '_autorc'
extra_specs['sw:wrs:auto_recovery'] = 'true'
flavor_id = nova_helper.create_flavor(name=name)[1]
nova_helper.set_flavor(flavor_id, **extra_specs)
if flavor_type is not None:
g_flavors[flavor_type] = flavor_id
else:
g_flavors[vm_type] = flavor_id
return flavor_id
def test_flavor_set_storage(flavor_):
"""
Test set flavor storage specs
Test Setup:
- Create a flavor
Test Steps:
- Set flavor storage spec to local_lvm and check it is set successfully
- Set flavor storage spec to local_image and check it is set successfully
Test Teardown:
- Delete the created flavor
"""
storage_spec = "aggregate_instance_extra_specs:storage"
LOG.tc_step("Set flavor storage spec to local_lvm and check it is set successfully")
local_lvm_spec = {storage_spec: "local_lvm"}
nova_helper.set_flavor(flavor=flavor_, **local_lvm_spec)
extra_spec_storage_1 = nova_helper.get_flavor_properties(flavor=flavor_)[storage_spec]
assert extra_spec_storage_1 == 'local_lvm', "Actual storage spec: {}".format(extra_spec_storage_1)
LOG.tc_step("Set flavor storage spec to local_image and check it is set successfully")
local_lvm_spec = {storage_spec: "local_image"}
nova_helper.set_flavor(flavor=flavor_, **local_lvm_spec)
extra_spec_storage_2 = nova_helper.get_flavor_properties(flavor=flavor_)[storage_spec]
assert extra_spec_storage_2 == 'local_image', "Actual storage spec: {}".format(extra_spec_storage_2)
def test_2_nodes_set_guest_numa_node_value(flavor_2_nodes, cpu_policy, numa_0,
numa_1):
"""
Test set guest NUMA nodes values with 2 NUMA nodes.
Args:
flavor_2_nodes (str): id of a flavor with 2 numa nodes set in the extra spec
cpu_policy (str): cpu policy to add to flavor
numa_0 (int or str): cell id to assign to numa_node.0
numa_1 (int or str): cell id to assign to numa_node.1
Setup:
- Create a flavor with number of numa nodes set to 2 in extra specs (module level)
Test Steps:
- Set cpu policy to given policy in flavor extra specs
- Set guest numa nodes values in flavor extra specs and ensure it's set.
Notes: Has to set both guest nodes in one cli. Otherwise cli will be rejected as expected.
Teardown:
- Delete created flavor (module level)
"""
LOG.tc_step("Set flavor cpu_policy spec to {}.".format(cpu_policy))
nova_helper.set_flavor(flavor=flavor_2_nodes,
**{FlavorSpec.CPU_POLICY: cpu_policy})
args = {FlavorSpec.NUMA_0: numa_0, FlavorSpec.NUMA_1: numa_1}
LOG.tc_step(
"Set flavor numa_node spec(s) to {} and verify setting succeeded".
format(args))
nova_helper.set_flavor(flavor=flavor_2_nodes, **args)
def _flavors(hosts_pci_device_info):
"""
Creates all flavors required for this test module
"""
# Create flavor using first device.
pci_alias = list(hosts_pci_device_info.values())[0][0]['pci_alias']
flavor_parms = {'flavor_qat_vf_1': [2, 1024, 2, 1],
'flavor_resize_qat_vf_1': [4, 2048, 2, 1],
'flavor_qat_vf_4': [2, 1024, 2, 4],
'flavor_resize_qat_vf_4': [2, 2048, 2, 4],
'flavor_qat_vf_32': [2, 1024, 2, 32],
'flavor_qat_vf_33': [2, 1024, 2, 33],
'flavor_none': [1, 1024, 2, 0],
'flavor_resize_none': [2, 2048, 2, 0],
'flavor_resize_qat_vf_32': [4, 2048, 2, 32],
}
flavors = {}
for k, v in flavor_parms.items():
vf = v[3]
LOG.fixture_step("Create a flavor with {} Coletro Creek crypto VF....".format(vf))
flavor_id = nova_helper.create_flavor(name=k, vcpus=v[0], ram=v[1], root_disk=v[2])[1]
ResourceCleanup.add('flavor', flavor_id, scope='module')
if vf > 0:
extra_spec = {FlavorSpec.PCI_PASSTHROUGH_ALIAS: '{}:{}'.format(pci_alias, vf),
# FlavorSpec.NUMA_NODES: '2',
# feature deprecated. May need to update test case as well.
FlavorSpec.CPU_POLICY: 'dedicated'}
nova_helper.set_flavor(flavor_id, **extra_spec)
flavors[k] = flavor_id
return flavors
def base_setup(self):
flavor_id = nova_helper.create_flavor(name='dedicated')[1]
ResourceCleanup.add('flavor', flavor_id, scope='class')
extra_specs = {FlavorSpec.CPU_POLICY: 'dedicated'}
nova_helper.set_flavor(flavor=flavor_id, **extra_specs)
mgmt_net_id = network_helper.get_mgmt_net_id()
tenant_net_id = network_helper.get_tenant_net_id()
internal_net_id = network_helper.get_internal_net_id()
nics = [{'net-id': mgmt_net_id},
{'net-id': tenant_net_id},
{'net-id': internal_net_id}]
LOG.fixture_step(
"(class) Boot a base vm with following nics: {}".format(nics))
base_vm = vm_helper.boot_vm(name='multiports_base',
flavor=flavor_id, nics=nics,
cleanup='class',
reuse_vol=False)[1]
vm_helper.wait_for_vm_pingable_from_natbox(base_vm)
vm_helper.ping_vms_from_vm(base_vm, base_vm, net_types='data')
return base_vm, flavor_id, mgmt_net_id, tenant_net_id, internal_net_id
def create_flavor_for_pci(self, vcpus=4, ram=1024):
flavor_id = nova_helper.create_flavor(name='dedicated_pci_extras',
vcpus=vcpus,
ram=ram,
cleanup='function')[1]
pci_alias_spec = '{}:{}'.format(
self.pci_alias_names[0],
self.pci_alias) if self.pci_alias else None
LOG.tc_step('Set extra-specs to the flavor {}'.format(flavor_id))
extra_specs = {
FlavorSpec.CPU_POLICY:
'dedicated',
# FlavorSpec.PCI_NUMA_AFFINITY: self.pci_numa_affinity, # LP1854516
FlavorSpec.PCI_PASSTHROUGH_ALIAS:
pci_alias_spec,
FlavorSpec.PCI_IRQ_AFFINITY_MASK:
self.pci_irq_affinity_mask
}
extra_specs = {
k: str(v)
for k, v in extra_specs.items() if v is not None
}
if extra_specs:
nova_helper.set_flavor(flavor_id, **extra_specs)
return flavor_id
def vif_model_check(request):
vif_model = request.param
LOG.fixture_step(
"Get a network that supports {} to boot vm".format(vif_model))
pci_net = network_helper.get_pci_vm_network(pci_type=vif_model,
net_name='internal0-net')
if not pci_net:
skip(SkipHostIf.PCI_IF_UNAVAIL)
extra_pcipt_net_name = extra_pcipt_net = None
if not isinstance(pci_net, str):
pci_net, extra_pcipt_net_name = pci_net
LOG.info("PCI network selected to boot vm: {}".format(pci_net))
LOG.fixture_step("Create a flavor with dedicated cpu policy")
flavor_id = nova_helper.create_flavor(name='dedicated',
ram=2048,
cleanup='module')[1]
extra_specs = {FlavorSpec.CPU_POLICY: 'dedicated'}
nova_helper.set_flavor(flavor=flavor_id, **extra_specs)
LOG.fixture_step("Boot a base vm with above flavor and virtio nics")
mgmt_net_id = network_helper.get_mgmt_net_id()
pci_net_id, seg_id, pnet_name = network_helper.get_network_values(
network=pci_net,
fields=('id', 'provider:segmentation_id', 'provider:physical_network'))
nics = [{'net-id': mgmt_net_id}, {'net-id': pci_net_id}]
nics_to_test = [{
'net-id': mgmt_net_id
}, {
'net-id': pci_net_id,
'vif-model': vif_model
}]
pcipt_seg_ids = {}
if vif_model == 'pci-passthrough':
pcipt_seg_ids[pci_net] = seg_id
if extra_pcipt_net_name:
extra_pcipt_net, seg_id = network_helper.get_network_values(
network=extra_pcipt_net_name,
fields=('id', 'provider:segmentation_id'))
nics.append({'net-id': extra_pcipt_net})
nics_to_test.append({
'net-id': extra_pcipt_net,
'vif-model': vif_model
})
pcipt_seg_ids[extra_pcipt_net_name] = seg_id
base_vm = vm_helper.boot_vm(flavor=flavor_id, nics=nics,
cleanup='module')[1]
vm_helper.wait_for_vm_pingable_from_natbox(base_vm)
vm_helper.ping_vms_from_vm(base_vm,
base_vm,
net_types=['mgmt', 'internal'])
return vif_model, base_vm, flavor_id, nics_to_test, pcipt_seg_ids, pnet_name, extra_pcipt_net
def _create_flavor_vcpu_model(vcpu_model, root_disk_size=None):
flv_id = nova_helper.create_flavor(name='vcpu_model_{}'.format(vcpu_model),
root_disk=root_disk_size)[1]
ResourceCleanup.add('flavor', flv_id)
if vcpu_model:
nova_helper.set_flavor(flavor=flv_id,
**{FlavorSpec.VCPU_MODEL: vcpu_model})
return flv_id
def flavors():
flvs = {}
for numa in ['0', '1']:
numa_flv = nova_helper.create_flavor(name='numa{}'.format(numa), vcpus=2)[1]
# ResourceCleanup.add('flavor', numa_flv, scope='module')
flvs['numa{}'.format(numa)] = numa_flv
extra_specs = {FlavorSpec.CPU_POLICY: 'dedicated', FlavorSpec.NUMA_0: numa}
nova_helper.set_flavor(numa_flv, **extra_specs)
return flvs
def test_create_flavor(name, swap, ephemeral, storage, cpu_policy):
flavor_id = nova_helper.create_flavor(name=name,
swap=swap,
ephemeral=ephemeral)[1]
LOG.info("Flavor id: {}".format(flavor_id))
specs = {
'aggregate_instance_extra_specs:storage': storage,
'hw:cpu_policy': cpu_policy
}
nova_helper.set_flavor(flavor=flavor_id, **specs)
def test_migration_auto_converge(no_simplex):
"""
Auto converge a VM with stress-ng running
Test Steps:
- Create flavor
- Create a heat stack (launch a vm with stress-ng)
- Perform live-migration and verify connectivity
Test Teardown:
- Delete stacks,vm, flavors created
"""
LOG.tc_step("Create a flavor with 2 vcpus")
flavor_id = nova_helper.create_flavor(vcpus=2, ram=1024, root_disk=3)[1]
ResourceCleanup.add('flavor', flavor_id)
# add migration timout
extra_specs = {FlavorSpec.LIVE_MIG_TIME_OUT: 300}
nova_helper.set_flavor(flavor=flavor_id, **extra_specs)
LOG.tc_step("Get the heat file name to use")
heat_template = _get_stress_ng_heat()
stack_name = vm_name = 'stress_ng'
LOG.tc_step("Creating heat stack")
code, msg = heat_helper.create_stack(stack_name=stack_name,
template=heat_template,
parameters={
'flavor': flavor_id,
'name': vm_name
},
cleanup='function')
assert code == 0, "Failed to create heat stack"
LOG.info("Verifying server creation via heat")
vm_id = vm_helper.get_vm_id_from_name(vm_name='stress_ng', strict=False)
vm_helper.wait_for_vm_pingable_from_natbox(vm_id=vm_id)
with vm_helper.ssh_to_vm_from_natbox(vm_id) as vm_ssh:
LOG.tc_step("Check for Stress-ng inside vm")
assert 0 == wait_for_stress_ng(vm_ssh), " Stress-ng is not running"
for vm_actions in [['live_migrate']]:
LOG.tc_step("Perform following action(s) on vm {}: {}".format(
vm_id, vm_actions))
for action in vm_actions:
vm_helper.perform_action_on_vm(vm_id, action=action)
LOG.tc_step("Ping vm from natbox")
vm_helper.wait_for_vm_pingable_from_natbox(vm_id)
def flavor_mem_page_size(self, request, flavor_2g):
flavor_id = flavor_2g[0]
mem_page_size = request.param
skip_4k_for_ovs(mem_page_size)
if mem_page_size is None:
nova_helper.unset_flavor(flavor_id, FlavorSpec.MEM_PAGE_SIZE)
else:
nova_helper.set_flavor(flavor_id,
**{FlavorSpec.MEM_PAGE_SIZE: mem_page_size})
return mem_page_size
def test_vcpu_model_and_thread_policy(vcpu_model, thread_policy,
cpu_models_supported):
"""
Launch vm with vcpu model spec and cpu thread policy both set
Args:
vcpu_model (str):
thread_policy (str):
cpu_models_supported (tuple): fixture
Test Steps:
- create flavor with vcpu model and cpu thread extra specs set
- boot vm from volume with above flavor
- if no hyperthreaded host, check vm failed to schedule
- otherwise check vcpu model and cpu thread policy both set as expected
"""
cpu_models_multi_host, all_cpu_models_supported = cpu_models_supported
is_supported = (vcpu_model
== 'Passthrough') or (vcpu_model
in all_cpu_models_supported)
if not is_supported:
skip("{} is not supported by any hypervisor".format(vcpu_model))
name = '{}_{}'.format(vcpu_model, thread_policy)
flv_id = nova_helper.create_flavor(name=name, vcpus=2)[1]
ResourceCleanup.add('flavor', flv_id)
nova_helper.set_flavor(flavor=flv_id,
**{
FlavorSpec.VCPU_MODEL: vcpu_model,
FlavorSpec.CPU_POLICY: 'dedicated',
FlavorSpec.CPU_THREAD_POLICY: thread_policy
})
code, vm, msg = vm_helper.boot_vm(name=name,
flavor=flv_id,
fail_ok=True,
cleanup='function')
ht_hosts = host_helper.get_hypersvisors_with_config(hyperthreaded=True,
up_only=True)
if thread_policy == 'require' and not ht_hosts:
assert 1 == code
else:
assert 0 == code, "VM is not launched successfully"
check_vm_cpu_model(vm_id=vm, vcpu_model=vcpu_model)
vm_host = vm_helper.get_vm_host(vm)
check_helper.check_topology_of_vm(vm_id=vm,
vcpus=2,
cpu_pol='dedicated',
cpu_thr_pol=thread_policy,
numa_num=1,
vm_host=vm_host)
def flavor_2_nodes(request):
"""
Create basic flavor with 2 vcpus
"""
flavor = nova_helper.create_flavor('two_numa_nodes', vcpus=2)[1]
nova_helper.set_flavor(flavor, **{FlavorSpec.NUMA_NODES: 2})
def delete():
nova_helper.delete_flavors(flavor)
request.addfinalizer(delete)
return flavor
def flavor_1_node(request):
"""
Create basic flavor with 2 vcpus and 1 numa node
"""
flavor = nova_helper.create_flavor('one_numa_node', vcpus=2)[1]
nova_helper.set_flavor(flavor, **{FlavorSpec.NUMA_NODES: 1})
def delete():
nova_helper.delete_flavors(flavor)
request.addfinalizer(delete)
return flavor
def test_2_nodes_set_numa_node_values_reject(flavor_2_nodes, cpu_policy,
numa_0, numa_1):
LOG.tc_step("Set flavor cpu_policy spec to {}.".format(cpu_policy))
nova_helper.set_flavor(flavor=flavor_2_nodes,
**{FlavorSpec.CPU_POLICY: cpu_policy})
args = {FlavorSpec.NUMA_0: numa_0, FlavorSpec.NUMA_1: numa_1}
LOG.tc_step(
"Attempt set flavor numa_node spec(s) to {} and verify setting rejected"
.format(args))
code, msg = nova_helper.set_flavor(flavor=flavor_2_nodes,
fail_ok=True,
**args)
assert 1 == code
def _vms():
vm_helper.ensure_vms_quotas(vms_num=8)
glance_helper.get_guest_image(guest_os=GUEST_OS, cleanup='module')
LOG.fixture_step("Create a favor with dedicated cpu policy")
flavor_id = nova_helper.create_flavor(name='dedicated-ubuntu',
guest_os=GUEST_OS)[1]
ResourceCleanup.add('flavor', flavor_id, scope='module')
nova_helper.set_flavor(flavor_id, **{FlavorSpec.CPU_POLICY: 'dedicated'})
mgmt_net_id = network_helper.get_mgmt_net_id()
internal_net_id = network_helper.get_internal_net_id()
tenant_net_ids = network_helper.get_tenant_net_ids()
if len(tenant_net_ids) < VMS_COUNT:
tenant_net_ids += tenant_net_ids
assert len(tenant_net_ids) >= VMS_COUNT
vif = 'avp' if system_helper.is_avs() else 'virtio'
vm_vif_models = {
'virtio_vm1': ('virtio', tenant_net_ids[0]),
'{}_vm1'.format(vif): (vif, tenant_net_ids[1]),
'virtio_vm2': ('virtio', tenant_net_ids[2]),
'{}_vm2'.format(vif): (vif, tenant_net_ids[3])
}
vms = []
for vm_name, vifs in vm_vif_models.items():
vif_model, tenant_net_id = vifs
nics = [{
'net-id': mgmt_net_id
}, {
'net-id': tenant_net_id,
'vif-model': vif_model
}, {
'net-id': internal_net_id,
'vif-model': vif_model
}]
LOG.fixture_step(
"Boot a ubuntu14 vm with {} nics from above flavor and volume".
format(vif_model))
vm_id = vm_helper.boot_vm(vm_name,
flavor=flavor_id,
source='volume',
cleanup='module',
nics=nics,
guest_os=GUEST_OS)[1]
vms.append(vm_id)
return vms
def test_boot_vm_cpu_policy_image(flv_vcpus, flv_pol, img_pol, boot_source, expt_err):
LOG.tc_step("Create flavor with {} vcpus".format(flv_vcpus))
flavor_id = nova_helper.create_flavor(name='cpu_pol_{}'.format(flv_pol), vcpus=flv_vcpus)[1]
ResourceCleanup.add('flavor', flavor_id)
if flv_pol is not None:
specs = {FlavorSpec.CPU_POLICY: flv_pol}
LOG.tc_step("Set following extra specs: {}".format(specs))
nova_helper.set_flavor(flavor_id, **specs)
if img_pol is not None:
image_meta = {ImageMetadata.CPU_POLICY: img_pol}
LOG.tc_step("Create image with following metadata: {}".format(image_meta))
image_id = glance_helper.create_image(name='cpu_pol_{}'.format(img_pol), cleanup='function', **image_meta)[1]
else:
image_id = glance_helper.get_image_id_from_name(GuestImages.DEFAULT['guest'], strict=True)
if boot_source == 'volume':
LOG.tc_step("Create a volume from image")
source_id = cinder_helper.create_volume(name='cpu_pol_img', source_id=image_id)[1]
ResourceCleanup.add('volume', source_id)
else:
source_id = image_id
prev_cpus = host_helper.get_vcpus_for_computes(field='used_now')
LOG.tc_step("Attempt to boot a vm from above {} with above flavor".format(boot_source))
code, vm_id, msg = vm_helper.boot_vm(name='cpu_pol', flavor=flavor_id, source=boot_source,
source_id=source_id, fail_ok=True, cleanup='function')
# check for negative tests
if expt_err is not None:
LOG.tc_step("Check VM failed to boot due to conflict in flavor and image.")
assert 4 == code, "Expect boot vm cli reject and no vm booted. Actual: {}".format(msg)
assert eval(expt_err) in msg, "Expected error message is not found in cli return."
return # end the test for negative cases
# Check for positive tests
LOG.tc_step("Check vm is successfully booted.")
assert 0 == code, "Expect vm boot successfully. Actual: {}".format(msg)
# Calculate expected policy:
expt_cpu_pol = flv_pol if flv_pol else img_pol
expt_cpu_pol = expt_cpu_pol if expt_cpu_pol else 'shared'
vm_host = vm_helper.get_vm_host(vm_id)
check_helper.check_topology_of_vm(vm_id, vcpus=flv_vcpus, cpu_pol=expt_cpu_pol, vm_host=vm_host,
prev_total_cpus=prev_cpus[vm_host])
def live_migrate_vm(end_time, end_event):
ded_flv = nova_helper.create_flavor(name='dedicated', vcpus=2)[1]
nova_helper.set_flavor(ded_flv, **{FlavorSpec.CPU_POLICY: 'dedicated'})
vm_id = vm_helper.boot_vm(name='live-mig', flavor=ded_flv)[1]
vm_helper.wait_for_vm_pingable_from_natbox(vm_id)
while time.time() < end_time:
if end_event.is_set():
assert 0, "Other thread failed. Terminate live-mgiration thread."
time.sleep(15)
LOG.tc_step("Live migrate live-mig vm")
vm_helper.live_migrate_vm(vm_id=vm_id)
vm_helper.wait_for_vm_pingable_from_natbox(vm_id)
def test_1_node_set_guest_numa_node_value_invalid(flavor_1_node,
numa_node_spec):
"""
Attempt to set guest NUMA node to invalid cell value, and ensure it's rejected.
Args:
flavor_1_node (str): id of flavor with NUMA nodes number set to 1 in extra specs
numa_node_spec (dict): guest numa node spec to set
Setup:
- Create a flavor with number of numa nodes set to 1 in extra specs (module level)
Test Steps:
- Attempt to set guest NUMA node spec with invalid value and ensure it's rejected.
Teardown:
- Delete created flavor (module level)
"""
LOG.tc_step(
"Attempt to set flavor numa_node spec(s) to {} and verify cli is rejected."
.format(numa_node_spec))
code, output = nova_helper.set_flavor(flavor=flavor_1_node,
fail_ok=True,
**numa_node_spec)
assert code == 1, "Expect nova flavor-key set cli to be rejected. Actual: {}".format(
output)
def test_0_node_set_guest_numa_node_value_reject(flavor_0_node):
"""
Test set numa_node.1 is rejected when number of NUMA nodes is not set in extra specs.
Args:
flavor_0_node (str): id of flavor with 1 vcpu and without specifying hw:numa_nodes spec.
Setup:
- Create a flavor with 1 vcpu and number of numa nodes unset in extra specs (module level)
Test Steps:
- Attempt to set guest NUMA node 1 (hw:numa_node.1) and ensure it's rejected.
Teardown:
- Delete created flavor (module level)
"""
numa_node_spec_0 = {FlavorSpec.NUMA_1: 0}
LOG.tc_step(
"Attempt to set guest numa node extra spec without numa_nodes extra spec, and verify cli is rejected."
)
code, output = nova_helper.set_flavor(flavor=flavor_0_node,
fail_ok=True,
**numa_node_spec_0)
assert 1 == code, "Expect nova flavor-key set cli to be rejected. Actual: {}".format(
output)
def test_flavor_setting_numa_negative(vcpus, vswitch_affinity, numa_nodes,
numa0, numa0_cpus, numa0_mem, numa1,
numa1_cpus, numa1_mem, expt_err):
LOG.tc_step("Create a 1024ram flavor with {} vcpus".format(vcpus))
name = 'vswitch_affinity_{}_1G_{}cpu'.format(vswitch_affinity, vcpus)
flv_id = nova_helper.create_flavor(name=name, vcpus=vcpus, ram=1024)[1]
ResourceCleanup.add('flavor', flv_id)
specs = {
FlavorSpec.CPU_POLICY: 'dedicated',
FlavorSpec.NUMA_NODES: numa_nodes,
FlavorSpec.VSWITCH_NUMA_AFFINITY: vswitch_affinity
}
tmp_dict = {
FlavorSpec.NUMA_0: numa0,
FlavorSpec.NUMA0_CPUS: numa0_cpus,
FlavorSpec.NUMA0_MEM: numa0_mem,
FlavorSpec.NUMA_1: numa1,
FlavorSpec.NUMA1_CPUS: numa1_cpus,
FlavorSpec.NUMA1_MEM: numa1_mem
}
for key, val in tmp_dict.items():
if val is not None:
specs[key] = val
LOG.tc_step(
"Attempt to set following extra spec to flavor {} and ensure it's rejected: {}"
.format(flv_id, specs))
code, output = nova_helper.set_flavor(flv_id, fail_ok=True, **specs)
assert 1 == code, "Invalid extra spec is not rejected. Details: {}".format(
output)
assert eval(expt_err) in output, "Expected error message is not found"
def launch_vm(vm_type, num_vcpu, host=None):
img_id = None
if vm_type == 'vhost':
vif_model = 'virtio'
if num_vcpu > 2:
img_id = image_with_vif_multiq()
else:
vif_model = 'avp'
LOG.tc_step("Boot a {} vm with {} vcpus on {}".format(
vm_type, num_vcpu, host if host else "any host"))
flavor_id = nova_helper.create_flavor(vcpus=num_vcpu,
ram=1024,
root_disk=2)[1]
ResourceCleanup.add('flavor', flavor_id)
extra_specs = {
FlavorSpec.VCPU_MODEL: 'SandyBridge',
FlavorSpec.CPU_POLICY: 'dedicated',
FlavorSpec.MEM_PAGE_SIZE: '2048'
}
nova_helper.set_flavor(flavor=flavor_id, **extra_specs)
nic1 = {'net-id': network_helper.get_mgmt_net_id()}
nic2 = {'net-id': network_helper.get_tenant_net_id()}
nic3 = {'net-id': network_helper.get_internal_net_id()}
if vif_model != 'virtio':
nic2['vif-model'] = vif_model
nic3['vif-model'] = vif_model
vol = cinder_helper.create_volume(source_id=img_id, cleanup='function')[1]
host_info = {'avail_zone': 'nova', 'vm_host': host} if host else {}
vm_id = vm_helper.boot_vm(name='dpdk-vm',
nics=[nic1, nic2, nic3],
flavor=flavor_id,
user_data=_get_dpdk_user_data(),
source='volume',
source_id=vol,
cleanup='function',
**host_info)[1]
vm_helper.wait_for_vm_pingable_from_natbox(vm_id=vm_id)
if host:
vm_host = vm_helper.get_vm_host(vm_id)
assert vm_host == host, "VM is not launched on {} as specified".format(
host)
return vm_id
def setups(no_simplex):
vm_helper.ensure_vms_quotas(vms_num=10, cores_num=20, vols_num=10)
storage_backing, hosts = keywords.host_helper.get_storage_backing_with_max_hosts()
if len(hosts) < 2:
skip("Less than two hosts with in same storage aggregate")
LOG.fixture_step("Create a flavor with server group messaging enabled")
flavor_id = nova_helper.create_flavor('srv_grp_msg', storage_backing=storage_backing)[1]
nova_helper.set_flavor(flavor_id, **{FlavorSpec.SRV_GRP_MSG: True})
LOG.fixture_step("Create affinity and anti-affinity server groups")
affinity_grp = nova_helper.create_server_group(policy='affinity')[1]
policy = 'soft_anti_affinity' if len(hosts) < 3 else 'anti_affinity'
anti_affinity_grp = nova_helper.create_server_group(policy=policy)[1]
return hosts, flavor_id, {'affinity': affinity_grp, 'anti_affinity': anti_affinity_grp}
def create_shared_flavor(vcpus=2, storage_backing='local_image', cpu_policy='dedicated',
numa_nodes=None, node0=None, node1=None, shared_vcpu=None):
flavor_id = nova_helper.create_flavor(name='shared_core', vcpus=vcpus, storage_backing=storage_backing)[1]
ResourceCleanup.add('flavor', flavor_id, scope='function')
LOG.tc_step("Add specific cpu_policy, number_of_numa_nodes, numa_node0, and shared_vcpu to flavor extra specs")
extra_specs = {FlavorSpec.CPU_POLICY: cpu_policy}
if numa_nodes is not None:
extra_specs[FlavorSpec.NUMA_NODES] = numa_nodes
if node0 is not None:
extra_specs[FlavorSpec.NUMA_0] = node0
if node1 is not None:
extra_specs[FlavorSpec.NUMA_1] = node1
if shared_vcpu is not None:
extra_specs[FlavorSpec.SHARED_VCPU] = shared_vcpu
nova_helper.set_flavor(flavor_id, **extra_specs)
return flavor_id
def _boot_vm_vcpu_model(flv_model=None,
img_model=None,
boot_source='volume',
avail_zone=None,
vm_host=None):
LOG.tc_step(
"Attempt to launch vm from {} with image vcpu model metadata: {}; flavor vcpu model extra spec: {}"
.format(boot_source, img_model, flv_model))
flv_id = nova_helper.create_flavor(name='vcpu_{}'.format(flv_model))[1]
ResourceCleanup.add('flavor', flv_id)
if flv_model:
nova_helper.set_flavor(flavor=flv_id,
**{FlavorSpec.VCPU_MODEL: flv_model})
if img_model:
image_id = glance_helper.create_image(
name='vcpu_{}'.format(img_model),
cleanup='function',
**{ImageMetadata.CPU_MODEL: img_model})[1]
else:
image_id = glance_helper.get_guest_image(
guest_os=GuestImages.DEFAULT['guest'])
if boot_source == 'image':
source_id = image_id
else:
source_id = cinder_helper.create_volume(name='vcpu_model',
source_id=image_id)[1]
ResourceCleanup.add('volume', source_id)
code, vm, msg = vm_helper.boot_vm(name='vcpu_model',
flavor=flv_id,
source=boot_source,
source_id=source_id,
fail_ok=True,
cleanup='function',
avail_zone=avail_zone,
vm_host=vm_host)
return code, vm, msg