def test_igvm_migration_log(self, performance_value, mock_time):
for hv in self.hvs:
hv.dataset_obj['igvm_migration_log'].clear()
hv.dataset_obj.commit()
src_hv = self.vm.hypervisor.dataset_obj['hostname']
cpu_usage_vm_src = self.vm.hypervisor.estimate_vm_cpu_usage(self.vm)
timestamp = 1234567890
vm_migrate(
VM_HOSTNAME,
offline=True,
offline_transport='drbd',
)
src_hv_obj = (Query({
'hostname': src_hv
}, ['igvm_migration_log']).get())
self.assertEqual(list(src_hv_obj['igvm_migration_log']),
['{} -{}'.format(timestamp, round(cpu_usage_vm_src))])
with _get_vm(VM_HOSTNAME) as vm:
dest_hv_obj = (Query(
{
'hostname': vm.hypervisor.dataset_obj['hostname']
}, ['igvm_migration_log']).get())
cpu_usage_vm_dest = vm.hypervisor.estimate_vm_cpu_usage(vm)
self.assertEqual(
list(dest_hv_obj['igvm_migration_log']),
['{} +{}'.format(timestamp, round(cpu_usage_vm_dest))])
def setUp(self):
super(CommandTest, self).setUp()
vm_build(VM_HOSTNAME)
self.check_vm_present()
with _get_vm(VM_HOSTNAME) as vm:
# For contacting VM over shell
self.vm = vm
def test_rebuild(self):
vm_build(VM_HOSTNAME)
# Build the VM again, this must fail, as it is already built
with self.assertRaises(IGVMError):
vm_build(VM_HOSTNAME)
# Create files on VM to check later if the VM was really rebuilt
with _get_vm(VM_HOSTNAME) as vm:
vm.run('touch /root/initial_canary')
vm.run('test -f /root/initial_canary')
# Now stop it and rebuild it
vm_stop(VM_HOSTNAME)
vm_build(VM_HOSTNAME, rebuild=True)
self.check_vm_present()
# The VM was rebuild and thus the test file must be gone
with _get_vm(VM_HOSTNAME) as vm:
vm.run('test ! -f /root/initial_canary')
def test_postboot(self):
with NamedTemporaryFile() as fd:
fd.write('echo hello > /root/postboot_result'.encode())
fd.flush()
vm_build(VM_HOSTNAME, postboot=fd.name)
self.check_vm_present()
with _get_vm(VM_HOSTNAME) as vm:
output = vm.run('cat /root/postboot_result')
self.assertIn('hello', output)
def check_vm_absent(self, hv_name=None):
# Operate on fresh object
with _get_vm(VM_HOSTNAME, allow_retired=True) as vm:
if not hv_name:
hv_name = vm.dataset_obj['hypervisor']
for hv in HYPERVISORS:
if hv.dataset_obj['hostname'] == hv_name:
self.assertEqual(hv.vm_defined(vm), False)
hv.run('test ! -b /dev/{}/{}'.format(
VG_NAME, self.uid_name))
def test_delete(self):
vm_build(VM_HOSTNAME)
self.check_vm_present()
# Fails while VM is powered on
with self.assertRaises(IGVMError):
vm_delete(VM_HOSTNAME)
with _get_vm(VM_HOSTNAME) as vm:
vm.shutdown()
vm_delete(VM_HOSTNAME, retire=True)
self.check_vm_absent()
def test_new_address(self):
# We don't have a way to ask for new IP address from Serveradmin
# and lock it for us. The method below will usually work fine.
# When it starts failing, we must develop retry method.
new_address = get_next_address(VM_NET, 2)
change_address(VM_HOSTNAME, new_address, offline=True)
obj = Query({'hostname': VM_HOSTNAME}, ['intern_ip']).get()
self.assertEqual(obj['intern_ip'], new_address)
with _get_vm(VM_HOSTNAME) as vm:
vm.run(cmd('ip a | grep {}', new_address))
self.check_vm_present()
def check_vm_absent(self, vm_name=VM_HOSTNAME, hv_name=None):
# Operate on fresh object
with _get_vm(vm_name, allow_retired=True) as vm:
if self.datacenter_type == 'kvm.dct':
if not hv_name:
hv_name = vm.dataset_obj['hypervisor']
for hv in self.hvs:
if hv.dataset_obj['hostname'] == hv_name:
self.assertEqual(hv.vm_defined(vm), False)
hv.run('test ! -b /dev/{}/{}'.format(
VG_NAME, self.uid_name))
elif self.datacenter_type == 'aws.dct':
self.assertEqual(
vm.aws_describe_instance_status(
vm.dataset_obj['aws_instance_id']),
AWS_RETURN_CODES['terminated'])
def check_vm_present(self, vm_name=VM_HOSTNAME):
# Operate on fresh object
with _get_vm(vm_name) as vm:
for hv in self.hvs:
if hv.dataset_obj['hostname'] == vm.dataset_obj['hypervisor']:
# Is it on correct HV?
self.assertEqual(hv.vm_defined(vm), True)
self.assertEqual(hv.vm_running(vm), True)
else:
# Is it gone from other HVs after migration?
self.assertEqual(hv.vm_defined(vm), False)
hv.run('test ! -b /dev/{}/{}'.format(
VG_NAME, self.uid_name))
# Is VM itself alive and fine?
fqdn = vm.run('hostname -f').strip()
self.assertEqual(fqdn, vm.fqdn)
self.assertEqual(vm.dataset_obj.is_dirty(), False)
def setUp(self):
super(MigrationTest, self).setUp()
vm_build(VM_HOSTNAME)
with _get_vm(VM_HOSTNAME) as vm:
self.old_hv_name = vm.hypervisor.dataset_obj['hostname']
