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#!/usr/bin/env python3
#
# Migration test
#
# Copyright (c) 2019 Red Hat, Inc.
#
# Authors:
# Cleber Rosa <crosa@redhat.com>
# Caio Carrara <ccarrara@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
import tempfile
import os
import time
from qemu_test import QemuSystemTest, skipIfMissingCommands
from qemu_test.ports import Ports
class MigrationTest(QemuSystemTest):
timeout = 10
@staticmethod
def migration_finished(vm):
return vm.cmd('query-migrate')['status'] in ('completed', 'failed')
def assert_migration(self, src_vm, dst_vm):
end = time.monotonic() + self.timeout
while time.monotonic() < end and not self.migration_finished(src_vm):
time.sleep(0.1)
end = time.monotonic() + self.timeout
while time.monotonic() < end and not self.migration_finished(dst_vm):
time.sleep(0.1)
self.assertEqual(src_vm.cmd('query-migrate')['status'], 'completed')
self.assertEqual(dst_vm.cmd('query-migrate')['status'], 'completed')
self.assertEqual(dst_vm.cmd('query-status')['status'], 'running')
self.assertEqual(src_vm.cmd('query-status')['status'],'postmigrate')
def select_machine(self):
target_machine = {
'aarch64': 'quanta-gsj',
'alpha': 'clipper',
'arm': 'npcm750-evb',
'i386': 'isapc',
'ppc': 'sam460ex',
'ppc64': 'mac99',
'riscv32': 'spike',
'riscv64': 'virt',
'sparc': 'SS-4',
'sparc64': 'sun4u',
'x86_64': 'microvm',
}
self.set_machine(target_machine[self.arch])
def do_migrate(self, dest_uri, src_uri=None):
self.select_machine()
dest_vm = self.get_vm('-incoming', dest_uri, name="dest-qemu")
dest_vm.add_args('-nodefaults')
dest_vm.launch()
if src_uri is None:
src_uri = dest_uri
source_vm = self.get_vm(name="source-qemu")
source_vm.add_args('-nodefaults')
source_vm.launch()
source_vm.qmp('migrate', uri=src_uri)
self.assert_migration(source_vm, dest_vm)
def _get_free_port(self, ports):
port = ports.find_free_port()
if port is None:
self.skipTest('Failed to find a free port')
return port
def test_migration_with_tcp_localhost(self):
with Ports() as ports:
dest_uri = 'tcp:localhost:%u' % self._get_free_port(ports)
self.do_migrate(dest_uri)
def test_migration_with_unix(self):
with tempfile.TemporaryDirectory(prefix='socket_') as socket_path:
dest_uri = 'unix:%s/qemu-test.sock' % socket_path
self.do_migrate(dest_uri)
@skipIfMissingCommands('ncat')
def test_migration_with_exec(self):
with Ports() as ports:
free_port = self._get_free_port(ports)
dest_uri = 'exec:ncat -l localhost %u' % free_port
src_uri = 'exec:ncat localhost %u' % free_port
self.do_migrate(dest_uri, src_uri)
if __name__ == '__main__':
QemuSystemTest.main()
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