def test_reject_out_of_sync_serveradmin(self):
obj = Query({'hostname': VM_HOSTNAME}, ['disk_size_gib']).get()
obj['disk_size_gib'] += 1
obj.commit()
with self.assertRaises(InconsistentAttributeError):
vm_migrate(VM_HOSTNAME)
def test_offline_migration_netcat(self):
vm_migrate(
VM_HOSTNAME,
offline=True,
offline_transport='netcat',
)
self.check_vm_present()
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 test_rollback_drbd(self):
obj = Query({'hostname': VM_HOSTNAME}, ['puppet_environment']).get()
obj['puppet_environment'] = 'doesnotexist'
obj.commit()
with self.assertRaises(IGVMError):
vm_migrate(
VM_HOSTNAME,
offline=True,
run_puppet=True,
offline_transport='drbd',
)
self.check_vm_present()
def test_rollback_netcat(self):
# TODO: consider the usage of self.vm_obj instead of new Query
obj = Query({'hostname': VM_HOSTNAME}, ['puppet_environment']).get()
obj['puppet_environment'] = 'doesnotexist'
obj.commit()
with self.assertRaises(IGVMError):
vm_migrate(
VM_HOSTNAME,
offline=True,
run_puppet=True,
offline_transport='netcat',
)
self.check_vm_present()
def _xfs_migrate_wrapper(self, *args, **kwargs):
"""
xfs dump/restore cause the corrupted files on restored disk from time
to time. This is relatively rare case and I am not able to find the
root reason yet. The rollback works quite good, but it fails to
migrate. This wrapper do two retries on this particullar error
"""
for _ in range(3):
try:
vm_migrate(*args, **kwargs)
return
except XfsMigrationError as e:
exc = e
if e.args[0] == 'xfs dump/restore caused warnings':
continue
raise exc
raise BaseException('xfs migration failed in 3 attempts')
def test_reject_online_with_puppet(self):
with self.assertRaises(IGVMError):
vm_migrate(VM_HOSTNAME, run_puppet=True)
def test_online_migration(self):
vm_migrate(VM_HOSTNAME)
self.check_vm_present()
