def _live_migrate(self, context, instance, scheduler_hint,
block_migration, disk_over_commit):
destination = scheduler_hint.get("host")
try:
live_migrate.execute(context, instance, destination,
block_migration, disk_over_commit)
except (exception.NoValidHost,
exception.ComputeServiceUnavailable,
exception.InvalidHypervisorType,
exception.InvalidCPUInfo,
exception.UnableToMigrateToSelf,
exception.DestinationHypervisorTooOld,
exception.InvalidLocalStorage,
exception.InvalidSharedStorage,
exception.HypervisorUnavailable,
exception.InstanceNotRunning,
exception.MigrationPreCheckError) as ex:
with excutils.save_and_reraise_exception():
# TODO(johngarbutt) - eventually need instance actions here
request_spec = {'instance_properties': {
'uuid': instance['uuid'], },
}
scheduler_utils.set_vm_state_and_notify(context,
'compute_task', 'migrate_server',
dict(vm_state=instance['vm_state'],
task_state=None,
expected_task_state=task_states.MIGRATING,),
ex, request_spec, self.db)
except Exception as ex:
LOG.error(_('Migration of instance %(instance_id)s to host'
' %(dest)s unexpectedly failed.'),
{'instance_id': instance['uuid'], 'dest': destination},
exc_info=True)
raise exception.MigrationError(reason=ex)
def _live_migrate(self, context, instance, scheduler_hint,
block_migration, disk_over_commit):
destination = scheduler_hint.get("host")
try:
live_migrate.execute(context, instance, destination,
block_migration, disk_over_commit)
except (exception.NoValidHost,
exception.ComputeServiceUnavailable,
exception.InvalidHypervisorType,
exception.UnableToMigrateToSelf,
exception.DestinationHypervisorTooOld,
exception.InvalidLocalStorage,
exception.InvalidSharedStorage,
exception.MigrationPreCheckError) as ex:
with excutils.save_and_reraise_exception():
#TODO(johngarbutt) - eventually need instance actions here
request_spec = {'instance_properties': {
'uuid': instance['uuid'], },
}
scheduler_utils.set_vm_state_and_notify(context,
'compute_task', 'migrate_server',
dict(vm_state=instance['vm_state'],
task_state=None,
expected_task_state=task_states.MIGRATING,),
ex, request_spec, self.db)
except Exception as ex:
with excutils.save_and_reraise_exception():
request_spec = {'instance_properties': {
'uuid': instance['uuid'], },
}
scheduler_utils.set_vm_state_and_notify(context,
'compute_task', 'migrate_server',
{'vm_state': vm_states.ERROR},
ex, request_spec, self.db)
def _live_migrate(self, context, instance, scheduler_hint, block_migration, disk_over_commit):
destination = scheduler_hint.get("host")
try:
live_migrate.execute(context, instance, destination, block_migration, disk_over_commit)
except (
exception.NoValidHost,
exception.ComputeServiceUnavailable,
exception.InvalidHypervisorType,
exception.InvalidCPUInfo,
exception.UnableToMigrateToSelf,
exception.DestinationHypervisorTooOld,
exception.InvalidLocalStorage,
exception.InvalidSharedStorage,
exception.HypervisorUnavailable,
exception.MigrationPreCheckError,
) as ex:
with excutils.save_and_reraise_exception():
# TODO(johngarbutt) - eventually need instance actions here
request_spec = {"instance_properties": {"uuid": instance["uuid"]}}
scheduler_utils.set_vm_state_and_notify(
context,
"compute_task",
"migrate_server",
dict(vm_state=instance["vm_state"], task_state=None, expected_task_state=task_states.MIGRATING),
ex,
request_spec,
self.db,
)
except Exception as ex:
LOG.error(
_("Migration of instance %(instance_id)s to host" " %(dest)s unexpectedly failed."),
{"instance_id": instance["uuid"], "dest": destination},
exc_info=True,
)
raise exception.MigrationError(reason=ex)
def _live_migrate(self, context, instance, scheduler_hint, block_migration,
disk_over_commit):
destination = scheduler_hint.get("host")
try:
live_migrate.execute(context, instance, destination,
block_migration, disk_over_commit)
except (exception.NoValidHost, exception.ComputeServiceUnavailable,
exception.InvalidHypervisorType,
exception.UnableToMigrateToSelf,
exception.DestinationHypervisorTooOld,
exception.InvalidLocalStorage, exception.InvalidSharedStorage,
exception.MigrationPreCheckError) as ex:
with excutils.save_and_reraise_exception():
#TODO(johngarbutt) - eventually need instance actions here
request_spec = {
'instance_properties': {
'uuid': instance['uuid'],
},
}
scheduler_utils.set_vm_state_and_notify(
context, 'compute_task', 'migrate_server',
dict(
vm_state=instance['vm_state'],
task_state=None,
expected_task_state=task_states.MIGRATING,
), ex, request_spec, self.db)
except Exception as ex:
with excutils.save_and_reraise_exception():
request_spec = {
'instance_properties': {
'uuid': instance['uuid'],
},
}
scheduler_utils.set_vm_state_and_notify(
context, 'compute_task', 'migrate_server',
{'vm_state': vm_states.ERROR}, ex, request_spec, self.db)
def _live_migrate(self, context, instance, scheduler_hint,
block_migration, disk_over_commit):
destination = scheduler_hint.get("host")
def _set_vm_state(context, instance, ex, vm_state=None,
task_state=None):
request_spec = {'instance_properties': {
'uuid': instance.uuid, },
}
scheduler_utils.set_vm_state_and_notify(context,
instance.uuid,
'compute_task', 'migrate_server',
dict(vm_state=vm_state,
task_state=task_state,
expected_task_state=task_states.MIGRATING,),
ex, request_spec, self.db)
migration = objects.Migration(context=context.elevated())
migration.dest_compute = destination
migration.status = 'pre-migrating'
migration.instance_uuid = instance.uuid
migration.source_compute = instance.host
migration.migration_type = 'live-migration'
if instance.obj_attr_is_set('flavor'):
migration.old_instance_type_id = instance.flavor.id
migration.new_instance_type_id = instance.flavor.id
else:
migration.old_instance_type_id = instance.instance_type_id
migration.new_instance_type_id = instance.instance_type_id
migration.create()
try:
live_migrate.execute(context, instance, destination,
block_migration, disk_over_commit,
migration)
except (exception.NoValidHost,
exception.ComputeServiceUnavailable,
exception.InvalidHypervisorType,
exception.InvalidCPUInfo,
exception.UnableToMigrateToSelf,
exception.DestinationHypervisorTooOld,
exception.InvalidLocalStorage,
exception.InvalidSharedStorage,
exception.HypervisorUnavailable,
exception.InstanceInvalidState,
exception.MigrationPreCheckError,
exception.LiveMigrationWithOldNovaNotSafe) as ex:
with excutils.save_and_reraise_exception():
# TODO(johngarbutt) - eventually need instance actions here
_set_vm_state(context, instance, ex, instance.vm_state)
migration.status = 'error'
migration.save()
except Exception as ex:
LOG.error(_LE('Migration of instance %(instance_id)s to host'
' %(dest)s unexpectedly failed.'),
{'instance_id': instance.uuid, 'dest': destination},
exc_info=True)
_set_vm_state(context, instance, ex, vm_states.ERROR,
instance.task_state)
migration.status = 'failed'
migration.save()
raise exception.MigrationError(reason=six.text_type(ex))
def _live_migrate(self, context, instance, scheduler_hint, block_migration,
disk_over_commit):
destination = scheduler_hint.get("host")
def _set_vm_state(context,
instance,
ex,
vm_state=None,
task_state=None):
request_spec = {
'instance_properties': {
'uuid': instance.uuid,
},
}
scheduler_utils.set_vm_state_and_notify(
context, instance.uuid, 'compute_task', 'migrate_server',
dict(
vm_state=vm_state,
task_state=task_state,
expected_task_state=task_states.MIGRATING,
), ex, request_spec, self.db)
migration = objects.Migration(context=context.elevated())
migration.dest_compute = destination
migration.status = 'pre-migrating'
migration.instance_uuid = instance.uuid
migration.source_compute = instance.host
migration.migration_type = 'live-migration'
if instance.obj_attr_is_set('flavor'):
migration.old_instance_type_id = instance.flavor.id
migration.new_instance_type_id = instance.flavor.id
else:
migration.old_instance_type_id = instance.instance_type_id
migration.new_instance_type_id = instance.instance_type_id
migration.create()
try:
live_migrate.execute(context, instance, destination,
block_migration, disk_over_commit, migration)
except (exception.NoValidHost, exception.ComputeServiceUnavailable,
exception.InvalidHypervisorType, exception.InvalidCPUInfo,
exception.UnableToMigrateToSelf,
exception.DestinationHypervisorTooOld,
exception.InvalidLocalStorage, exception.InvalidSharedStorage,
exception.HypervisorUnavailable,
exception.InstanceInvalidState,
exception.MigrationPreCheckError,
exception.LiveMigrationWithOldNovaNotSafe) as ex:
with excutils.save_and_reraise_exception():
# TODO(johngarbutt) - eventually need instance actions here
_set_vm_state(context, instance, ex, instance.vm_state)
migration.status = 'error'
migration.save()
except Exception as ex:
LOG.error(_LE('Migration of instance %(instance_id)s to host'
' %(dest)s unexpectedly failed.'), {
'instance_id': instance.uuid,
'dest': destination
},
exc_info=True)
_set_vm_state(context, instance, ex, vm_states.ERROR,
instance.task_state)
migration.status = 'failed'
migration.save()
raise exception.MigrationError(reason=six.text_type(ex))
