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import logging
import os
import pytest
import time
from pathlib import Path
from tests.integration_tests.clouds import ImageSpecification, IntegrationCloud
from tests.integration_tests.conftest import (
get_validated_source,
session_start_time,
)
log = logging.getLogger('integration_testing')
UNSUPPORTED_INSTALL_METHOD_MSG = (
"Install method '{}' not supported for this test"
)
USER_DATA = """\
#cloud-config
hostname: SRU-worked
"""
def _output_to_compare(instance, file_path, netcfg_path):
commands = [
'hostname',
'dpkg-query --show cloud-init',
'cat /run/cloud-init/result.json',
# 'cloud-init init' helps us understand if our pickling upgrade paths
# have broken across re-constitution of a cached datasource. Some
# platforms invalidate their datasource cache on reboot, so we run
# it here to ensure we get a dirty run.
'cloud-init init',
'grep Trace /var/log/cloud-init.log',
'cloud-id',
'cat {}'.format(netcfg_path),
'systemd-analyze',
'systemd-analyze blame',
'cloud-init analyze show',
'cloud-init analyze blame',
]
with file_path.open('w') as f:
for command in commands:
f.write('===== {} ====='.format(command) + '\n')
f.write(instance.execute(command) + '\n')
def _restart(instance):
# work around pad.lv/1908287
instance.restart()
if not instance.execute('cloud-init status --wait --long').ok:
for _ in range(10):
time.sleep(5)
result = instance.execute('cloud-init status --wait --long')
if result.ok:
return
raise Exception("Cloud-init didn't finish starting up")
@pytest.mark.sru_2020_11
def test_clean_boot_of_upgraded_package(session_cloud: IntegrationCloud):
source = get_validated_source(session_cloud)
if not source.installs_new_version():
pytest.skip(UNSUPPORTED_INSTALL_METHOD_MSG.format(source))
return # type checking doesn't understand that skip raises
launch_kwargs = {
'image_id': session_cloud.released_image_id,
}
image = ImageSpecification.from_os_image()
# Get the paths to write test logs
output_dir = Path(session_cloud.settings.LOCAL_LOG_PATH)
output_dir.mkdir(parents=True, exist_ok=True)
base_filename = 'test_upgrade_{platform}_{os}_{{stage}}_{time}.log'.format(
platform=session_cloud.settings.PLATFORM,
os=image.release,
time=session_start_time,
)
before_path = output_dir / base_filename.format(stage='before')
after_path = output_dir / base_filename.format(stage='after')
# Get the network cfg file
netcfg_path = '/dev/null'
if image.os == 'ubuntu':
netcfg_path = '/etc/netplan/50-cloud-init.yaml'
if image.release == 'xenial':
netcfg_path = '/etc/network/interfaces.d/50-cloud-init.cfg'
with session_cloud.launch(
launch_kwargs=launch_kwargs, user_data=USER_DATA,
) as instance:
_output_to_compare(instance, before_path, netcfg_path)
instance.install_new_cloud_init(source, take_snapshot=False)
instance.execute('hostname something-else')
_restart(instance)
assert instance.execute('cloud-init status --wait --long').ok
_output_to_compare(instance, after_path, netcfg_path)
log.info('Wrote upgrade test logs to %s and %s', before_path, after_path)
@pytest.mark.ci
@pytest.mark.ubuntu
def test_subsequent_boot_of_upgraded_package(session_cloud: IntegrationCloud):
source = get_validated_source(session_cloud)
if not source.installs_new_version():
if os.environ.get('TRAVIS'):
# If this isn't running on CI, we should know
pytest.fail(UNSUPPORTED_INSTALL_METHOD_MSG.format(source))
else:
pytest.skip(UNSUPPORTED_INSTALL_METHOD_MSG.format(source))
return # type checking doesn't understand that skip raises
launch_kwargs = {'image_id': session_cloud.released_image_id}
with session_cloud.launch(launch_kwargs=launch_kwargs) as instance:
instance.install_new_cloud_init(
source, take_snapshot=False, clean=False
)
instance.restart()
assert instance.execute('cloud-init status --wait --long').ok
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