mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-09 22:16:58 +02:00
54f3b0bbd6
Change-Id: I94159ac5468dd486123f7cb00da29526b5857d8f BUG=8192 TEST=Tested with other CL's. Review URL: http://codereview.chromium.org/4170004
345 lines
12 KiB
Python
Executable File
345 lines
12 KiB
Python
Executable File
#!/usr/bin/python
|
|
|
|
# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
import optparse
|
|
import os
|
|
import sys
|
|
import unittest
|
|
|
|
sys.path.append(os.path.join(os.path.dirname(__file__), '../lib'))
|
|
from cros_build_lib import Die
|
|
from cros_build_lib import Info
|
|
from cros_build_lib import ReinterpretPathForChroot
|
|
from cros_build_lib import RunCommand
|
|
from cros_build_lib import Warning
|
|
|
|
|
|
_KVM_PID_FILE = '/tmp/harness_pid'
|
|
_FULL_VDISK_SIZE = 6072
|
|
_FULL_STATEFULFS_SIZE = 3074
|
|
|
|
# Globals to communicate options to unit tests.
|
|
global base_image_path
|
|
global board
|
|
global remote
|
|
global target_image_path
|
|
global vm_graphics_flag
|
|
|
|
|
|
_VERIFY_SUITE = 'suite_Smoke'
|
|
|
|
class AUTest(object):
|
|
"""Abstract interface that defines an Auto Update test."""
|
|
source_image = ''
|
|
use_delta_updates = False
|
|
|
|
def setUp(self):
|
|
unittest.TestCase.setUp(self)
|
|
# Set these up as they are used often.
|
|
self.crosutils = os.path.join(os.path.dirname(__file__), '..')
|
|
self.crosutilsbin = os.path.join(os.path.dirname(__file__))
|
|
|
|
def GetStatefulChangeFlag(self, stateful_change):
|
|
"""Returns the flag to pass to image_to_vm for the stateful change."""
|
|
stateful_change_flag = ''
|
|
if stateful_change:
|
|
stateful_change_flag = '--stateful_update_flag=%s' % stateful_change
|
|
|
|
return stateful_change_flag
|
|
|
|
def ParseGenerateTestReportOutput(self, output):
|
|
"""Returns the percentage of tests that passed based on output."""
|
|
percent_passed = 0
|
|
lines = output.split('\n')
|
|
|
|
for line in lines:
|
|
if line.startswith("Total PASS:"):
|
|
# FORMAT: ^TOTAL PASS: num_passed/num_total (percent%)$
|
|
percent_passed = line.split()[3].strip('()%')
|
|
Info('Percent of tests passed %s' % percent_passed)
|
|
break
|
|
|
|
return int(percent_passed)
|
|
|
|
def PrepareBase(self):
|
|
"""Prepares target with base_image_path."""
|
|
pass
|
|
|
|
def UpdateImage(self, image_path, stateful_change='old'):
|
|
"""Updates target with the image given by the image_path.
|
|
|
|
Args:
|
|
image_path: Path to the image to update with. This image must be a test
|
|
image.
|
|
stateful_change: How to modify the stateful partition. Values are:
|
|
'old': Don't modify stateful partition. Just update normally.
|
|
'clean': Uses clobber-state to wipe the stateful partition with the
|
|
exception of code needed for ssh.
|
|
"""
|
|
pass
|
|
|
|
def VerifyImage(self, percent_required_to_pass):
|
|
"""Verifies the image with tests.
|
|
|
|
Verifies that the test images passes the percent required.
|
|
|
|
Args:
|
|
percent_required_to_pass: percentage required to pass. This should be
|
|
fall between 0-100.
|
|
|
|
Returns:
|
|
Returns the percent that passed.
|
|
"""
|
|
pass
|
|
|
|
def CommonVerifyImage(self, unittest, output, percent_required_to_pass):
|
|
"""Helper function for VerifyImage that returns percent of tests passed.
|
|
|
|
Takes output from a test suite, verifies the number of tests passed is
|
|
sufficient and outputs info.
|
|
|
|
Args:
|
|
unittest: Handle to the unittest.
|
|
output: stdout from a test run.
|
|
percent_required_to_pass: percentage required to pass. This should be
|
|
fall between 0-100.
|
|
Returns:
|
|
percent that passed.
|
|
"""
|
|
Info('Output from VerifyImage():')
|
|
print output
|
|
percent_passed = self.ParseGenerateTestReportOutput(output)
|
|
Info('Percent passed: %d vs. Percent required: %d' % (
|
|
percent_passed, percent_required_to_pass))
|
|
unittest.assertTrue(percent_passed >=
|
|
percent_required_to_pass)
|
|
return percent_passed
|
|
|
|
def testFullUpdateKeepStateful(self):
|
|
"""Tests if we can update normally.
|
|
|
|
This test checks that we can update by updating the stateful partition
|
|
rather than wiping it.
|
|
"""
|
|
# Just make sure some tests pass on original image. Some old images
|
|
# don't pass many tests.
|
|
self.PrepareBase()
|
|
# TODO(sosa): move to 100% once we start testing using the autotest paired
|
|
# with the dev channel.
|
|
percent_passed = self.VerifyImage(10)
|
|
|
|
if self.use_delta_updates: self.source_image = base_image_path
|
|
|
|
# Update to - all tests should pass on new image.
|
|
Info('Updating from base image on vm to target image.')
|
|
self.UpdateImage(target_image_path)
|
|
self.VerifyImage(100)
|
|
|
|
if self.use_delta_updates: self.source_image = target_image_path
|
|
|
|
# Update from - same percentage should pass that originally passed.
|
|
Info('Updating from updated image on vm back to base image.')
|
|
self.UpdateImage(base_image_path)
|
|
self.VerifyImage(percent_passed)
|
|
|
|
# TODO(sosa): Re-enable once we have a good way of checking for version
|
|
# compatibility.
|
|
def testFullUpdateWipeStateful(self):
|
|
"""Tests if we can update after cleaning the stateful partition.
|
|
|
|
This test checks that we can update successfully after wiping the
|
|
stateful partition.
|
|
"""
|
|
# Just make sure some tests pass on original image. Some old images
|
|
# don't pass many tests.
|
|
self.PrepareBase()
|
|
# TODO(sosa): move to 100% once we start testing using the autotest paired
|
|
# with the dev channel.
|
|
percent_passed = self.VerifyImage(10)
|
|
|
|
if self.use_delta_updates: self.source_image = base_image_path
|
|
|
|
# Update to - all tests should pass on new image.
|
|
Info('Updating from base image on vm to target image and wiping stateful.')
|
|
self.UpdateImage(target_image_path, 'clean')
|
|
self.VerifyImage(100)
|
|
|
|
if self.use_delta_updates: self.source_image = target_image_path
|
|
|
|
# Update from - same percentage should pass that originally passed.
|
|
Info('Updating from updated image back to base image and wiping stateful.')
|
|
self.UpdateImage(base_image_path, 'clean')
|
|
self.VerifyImage(percent_passed)
|
|
|
|
|
|
class RealAUTest(unittest.TestCase, AUTest):
|
|
"""Test harness for updating real images."""
|
|
|
|
def setUp(self):
|
|
AUTest.setUp(self)
|
|
|
|
def PrepareBase(self):
|
|
"""Auto-update to base image to prepare for test."""
|
|
self.UpdateImage(base_image_path)
|
|
|
|
def UpdateImage(self, image_path, stateful_change='old'):
|
|
"""Updates a remote image using image_to_live.sh."""
|
|
stateful_change_flag = self.GetStatefulChangeFlag(stateful_change)
|
|
|
|
RunCommand([
|
|
'%s/image_to_live.sh' % self.crosutils,
|
|
'--image=%s' % image_path,
|
|
'--remote=%s' % remote,
|
|
stateful_change_flag,
|
|
'--verify',
|
|
'--src_image=%s' % self.source_image,
|
|
], enter_chroot=False)
|
|
|
|
|
|
def VerifyImage(self, percent_required_to_pass):
|
|
"""Verifies an image using run_remote_tests.sh with verification suite."""
|
|
output = RunCommand([
|
|
'%s/run_remote_tests.sh' % self.crosutils,
|
|
'--remote=%s' % remote,
|
|
_VERIFY_SUITE,
|
|
], error_ok=True, enter_chroot=False, redirect_stdout=True)
|
|
return self.CommonVerifyImage(self, output, percent_required_to_pass)
|
|
|
|
|
|
class VirtualAUTest(unittest.TestCase, AUTest):
|
|
"""Test harness for updating virtual machines."""
|
|
vm_image_path = None
|
|
|
|
def _KillExistingVM(self, pid_file):
|
|
if os.path.exists(pid_file):
|
|
Warning('Existing %s found. Deleting and killing process' %
|
|
pid_file)
|
|
pid = RunCommand(['sudo', 'cat', pid_file], redirect_stdout=True,
|
|
enter_chroot=False)
|
|
if pid:
|
|
RunCommand(['sudo', 'kill', pid.strip()], error_ok=True,
|
|
enter_chroot=False)
|
|
RunCommand(['sudo', 'rm', pid_file], enter_chroot=False)
|
|
|
|
def setUp(self):
|
|
"""Unit test overriden method. Is called before every test."""
|
|
AUTest.setUp(self)
|
|
self._KillExistingVM(_KVM_PID_FILE)
|
|
|
|
def PrepareBase(self):
|
|
"""Creates an update-able VM based on base image."""
|
|
|
|
self.vm_image_path = ('%s/chromiumos_qemu_image.bin' % os.path.dirname(
|
|
base_image_path))
|
|
if not os.path.exists(self.vm_image_path):
|
|
Info('Qemu image not found, creating one.')
|
|
RunCommand(['%s/image_to_vm.sh' % self.crosutils,
|
|
'--full',
|
|
'--from=%s' % ReinterpretPathForChroot(
|
|
os.path.dirname(base_image_path)),
|
|
'--vdisk_size=%s' % _FULL_VDISK_SIZE,
|
|
'--statefulfs_size=%s' % _FULL_STATEFULFS_SIZE,
|
|
'--board=%s' % board,
|
|
'--test_image'], enter_chroot=True)
|
|
else:
|
|
Info('Using existing VM image')
|
|
|
|
self.assertTrue(os.path.exists(self.vm_image_path))
|
|
|
|
def UpdateImage(self, image_path, stateful_change='old'):
|
|
"""Updates VM image with image_path."""
|
|
stateful_change_flag = self.GetStatefulChangeFlag(stateful_change)
|
|
|
|
RunCommand(['%s/cros_run_vm_update' % self.crosutilsbin,
|
|
'--update_image_path=%s' % image_path,
|
|
'--vm_image_path=%s' % self.vm_image_path,
|
|
'--snapshot',
|
|
vm_graphics_flag,
|
|
'--persist',
|
|
'--kvm_pid=%s' % _KVM_PID_FILE,
|
|
stateful_change_flag,
|
|
'--src_image=%s' % self.source_image,
|
|
], enter_chroot=False)
|
|
|
|
def VerifyImage(self, percent_required_to_pass):
|
|
"""Runs vm smoke suite to verify image."""
|
|
# image_to_live already verifies lsb-release matching. This is just
|
|
# for additional steps.
|
|
output = RunCommand(['%s/cros_run_vm_test' % self.crosutilsbin,
|
|
'--image_path=%s' % self.vm_image_path,
|
|
'--snapshot',
|
|
'--persist',
|
|
vm_graphics_flag,
|
|
'--kvm_pid=%s' % _KVM_PID_FILE,
|
|
'--test_case=%s' % _VERIFY_SUITE,
|
|
], error_ok=True, enter_chroot=False,
|
|
redirect_stdout=True)
|
|
return self.CommonVerifyImage(self, output, percent_required_to_pass)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
parser = optparse.OptionParser()
|
|
parser.add_option('-b', '--base_image',
|
|
help='path to the base image.')
|
|
parser.add_option('-t', '--target_image',
|
|
help='path to the target image.')
|
|
parser.add_option('-r', '--board',
|
|
help='board for the images.')
|
|
parser.add_option('-p', '--type', default='vm',
|
|
help='type of test to run: [vm, real]. Default: vm.')
|
|
parser.add_option('-m', '--remote',
|
|
help='Remote address for real test.')
|
|
parser.add_option('--no_graphics', action='store_true',
|
|
help='Disable graphics for the vm test.')
|
|
parser.add_option('--no_delta', action='store_false', default=True,
|
|
dest='delta',
|
|
help='Disable using delta updates.')
|
|
# Set the usage to include flags.
|
|
parser.set_usage(parser.format_help())
|
|
# Parse existing sys.argv so we can pass rest to unittest.main.
|
|
(options, sys.argv) = parser.parse_args(sys.argv)
|
|
|
|
base_image_path = options.base_image
|
|
target_image_path = options.target_image
|
|
board = options.board
|
|
|
|
if not base_image_path:
|
|
parser.error('Need path to base image for vm.')
|
|
elif not os.path.exists(base_image_path):
|
|
Die('%s does not exist' % base_image_path)
|
|
|
|
if not target_image_path:
|
|
parser.error('Need path to target image to update with.')
|
|
elif not os.path.exists(target_image_path):
|
|
Die('%s does not exist' % target_image_path)
|
|
|
|
if not board:
|
|
parser.error('Need board to convert base image to vm.')
|
|
|
|
# Communicate flags to tests.
|
|
vm_graphics_flag = ''
|
|
if options.no_graphics: vm_graphics_flag = '--no_graphics'
|
|
|
|
AUTest.use_delta_updates = options.delta
|
|
|
|
# Only run the test harness we care about.
|
|
if options.type == 'vm':
|
|
suite = unittest.TestLoader().loadTestsFromTestCase(VirtualAUTest)
|
|
test_result = unittest.TextTestRunner(verbosity=2).run(suite)
|
|
elif options.type == 'real':
|
|
if not options.remote:
|
|
parser.error('Real tests require a remote test machine.')
|
|
else:
|
|
remote = options.remote
|
|
|
|
suite = unittest.TestLoader().loadTestsFromTestCase(RealAUTest)
|
|
test_result = unittest.TextTestRunner(verbosity=2).run(suite)
|
|
else:
|
|
parser.error('Could not parse harness type %s.' % options.type)
|
|
|
|
if not test_result.wasSuccessful():
|
|
Die('Test harness was not successful')
|