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import json
import logging
import os
import pytest
from tests.integration_tests.clouds import ImageSpecification, IntegrationCloud
from tests.integration_tests.conftest import get_validated_source
from tests.integration_tests.util import verify_clean_log
LOG = logging.getLogger('integration_testing.test_upgrade')
LOG_TEMPLATE = """\n\
=== `systemd-analyze` before:
{pre_systemd_analyze}
=== `systemd-analyze` after:
{post_systemd_analyze}
=== `systemd-analyze blame` before (first 10 lines):
{pre_systemd_blame}
=== `systemd-analyze blame` after (first 10 lines):
{post_systemd_blame}
=== `cloud-init analyze show` before:')
{pre_analyze_totals}
=== `cloud-init analyze show` after:')
{post_analyze_totals}
=== `cloud-init analyze blame` before (first 10 lines): ')
{pre_cloud_blame}
=== `cloud-init analyze blame` after (first 10 lines): ')
{post_cloud_blame}
"""
UNSUPPORTED_INSTALL_METHOD_MSG = (
"Install method '{}' not supported for this test"
)
USER_DATA = """\
#cloud-config
hostname: SRU-worked
"""
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
if (ImageSpecification.from_os_image().release == 'bionic' and
session_cloud.settings.PLATFORM == 'lxd_vm'):
# The issues that we see on Bionic VMs don't appear anywhere
# else, including when calling KVM directly. It likely has to
# do with the extra lxd-agent setup happening on bionic.
# Given that we still have Bionic covered on all other platforms,
# the risk of skipping bionic here seems low enough.
pytest.skip("Upgrade test doesn't run on LXD VMs and bionic")
return
launch_kwargs = {
'image_id': session_cloud.released_image_id,
}
with session_cloud.launch(
launch_kwargs=launch_kwargs, user_data=USER_DATA,
) as instance:
# get pre values
pre_hostname = instance.execute('hostname')
pre_cloud_id = instance.execute('cloud-id')
pre_result = instance.execute('cat /run/cloud-init/result.json')
pre_network = instance.execute('cat /etc/netplan/50-cloud-init.yaml')
pre_systemd_analyze = instance.execute('systemd-analyze')
pre_systemd_blame = instance.execute('systemd-analyze blame')
pre_cloud_analyze = instance.execute('cloud-init analyze show')
pre_cloud_blame = instance.execute('cloud-init analyze blame')
# Ensure no issues pre-upgrade
log = instance.read_from_file('/var/log/cloud-init.log')
assert not json.loads(pre_result)['v1']['errors']
try:
verify_clean_log(log)
except AssertionError:
LOG.warning(
'There were errors/warnings/tracebacks pre-upgrade. '
'Any failures may be due to pre-upgrade problem')
# Upgrade and reboot
instance.install_new_cloud_init(source, take_snapshot=False)
instance.execute('hostname something-else')
instance.restart()
assert instance.execute('cloud-init status --wait --long').ok
# '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.
assert instance.execute('cloud-init init').ok
# get post values
post_hostname = instance.execute('hostname')
post_cloud_id = instance.execute('cloud-id')
post_result = instance.execute('cat /run/cloud-init/result.json')
post_network = instance.execute('cat /etc/netplan/50-cloud-init.yaml')
post_systemd_analyze = instance.execute('systemd-analyze')
post_systemd_blame = instance.execute('systemd-analyze blame')
post_cloud_analyze = instance.execute('cloud-init analyze show')
post_cloud_blame = instance.execute('cloud-init analyze blame')
# Ensure no issues post-upgrade
assert not json.loads(pre_result)['v1']['errors']
log = instance.read_from_file('/var/log/cloud-init.log')
verify_clean_log(log)
# Ensure important things stayed the same
assert pre_hostname == post_hostname
assert pre_cloud_id == post_cloud_id
try:
assert pre_result == post_result
except AssertionError:
if instance.settings.PLATFORM == 'azure':
pre_json = json.loads(pre_result)
post_json = json.loads(post_result)
assert pre_json['v1']['datasource'].startswith(
'DataSourceAzure')
assert post_json['v1']['datasource'].startswith(
'DataSourceAzure')
assert pre_network == post_network
# Calculate and log all the boot numbers
pre_analyze_totals = [
x for x in pre_cloud_analyze.splitlines()
if x.startswith('Finished stage') or x.startswith('Total Time')
]
post_analyze_totals = [
x for x in post_cloud_analyze.splitlines()
if x.startswith('Finished stage') or x.startswith('Total Time')
]
# pylint: disable=logging-format-interpolation
LOG.info(LOG_TEMPLATE.format(
pre_systemd_analyze=pre_systemd_analyze,
post_systemd_analyze=post_systemd_analyze,
pre_systemd_blame='\n'.join(pre_systemd_blame.splitlines()[:10]),
post_systemd_blame='\n'.join(post_systemd_blame.splitlines()[:10]),
pre_analyze_totals='\n'.join(pre_analyze_totals),
post_analyze_totals='\n'.join(post_analyze_totals),
pre_cloud_blame='\n'.join(pre_cloud_blame.splitlines()[:10]),
post_cloud_blame='\n'.join(post_cloud_blame.splitlines()[:10]),
))
@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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