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# This file is part of cloud-init. See LICENSE file for license information.
"""Used to collect data from platforms during tests."""
from functools import partial
import os
from cloudinit import util as c_util
from tests.cloud_tests import (config, LOG, setup_image, util)
from tests.cloud_tests.stage import (PlatformComponent, run_stage, run_single)
from tests.cloud_tests import platforms
def collect_script(instance, base_dir, script, script_name):
"""Collect script data.
@param instance: instance to run script on
@param base_dir: base directory for output data
@param script: script contents
@param script_name: name of script to run
@return_value: None, may raise errors
"""
LOG.debug('running collect script: %s', script_name)
(out, err, exit) = instance.run_script(
script.encode(), rcs=False,
description='collect: {}'.format(script_name))
c_util.write_file(os.path.join(base_dir, script_name), out)
def collect_console(instance, base_dir):
LOG.debug('getting console log')
try:
data = instance.console_log()
except NotImplementedError as e:
data = 'Not Implemented: %s' % e
with open(os.path.join(base_dir, 'console.log'), "wb") as fp:
fp.write(data)
def collect_test_data(args, snapshot, os_name, test_name):
"""Collect data for test case.
@param args: cmdline arguments
@param snapshot: instantiated snapshot
@param test_name: name or path of test to run
@return_value: tuple of results and fail count
"""
res = ({}, 1)
# load test config
test_name = config.path_to_name(test_name)
test_config = config.load_test_config(test_name)
user_data = test_config['cloud_config']
test_scripts = test_config['collect_scripts']
test_output_dir = os.sep.join(
(args.data_dir, snapshot.platform_name, os_name, test_name))
# if test is not enabled, skip and return 0 failures
if not test_config.get('enabled', False):
LOG.warning('test config %s is not enabled, skipping', test_name)
return ({}, 0)
# if testcase requires a feature flag that the image does not support,
# skip the testcase with a warning
req_features = test_config.get('required_features', [])
if any(feature not in snapshot.features for feature in req_features):
LOG.warning('test config %s requires features not supported by image, '
'skipping.\nrequired features: %s\nsupported features: %s',
test_name, req_features, snapshot.features)
return ({}, 0)
# if there are user data overrides required for this test case, apply them
overrides = snapshot.config.get('user_data_overrides', {})
if overrides:
LOG.debug('updating user data for collect with: %s', overrides)
user_data = util.update_user_data(user_data, overrides)
# create test instance
component = PlatformComponent(
partial(platforms.get_instance, snapshot, user_data,
block=True, start=False, use_desc=test_name))
LOG.info('collecting test data for test: %s', test_name)
with component as instance:
start_call = partial(run_single, 'boot instance', partial(
instance.start, wait=True, wait_for_cloud_init=True))
collect_calls = [partial(run_single, 'script {}'.format(script_name),
partial(collect_script, instance,
test_output_dir, script, script_name))
for script_name, script in test_scripts.items()]
console_log = partial(
run_single, 'collect console',
partial(collect_console, instance, test_output_dir))
res = run_stage('collect for test: {}'.format(test_name),
[start_call] + collect_calls + [console_log])
return res
def collect_snapshot(args, image, os_name):
"""Collect data for snapshot of image.
@param args: cmdline arguments
@param image: instantiated image with set up complete
@return_value tuple of results and fail count
"""
res = ({}, 1)
component = PlatformComponent(partial(platforms.get_snapshot, image))
LOG.debug('creating snapshot for %s', os_name)
with component as snapshot:
LOG.info('collecting test data for os: %s', os_name)
res = run_stage(
'collect test data for {}'.format(os_name),
[partial(collect_test_data, args, snapshot, os_name, test_name)
for test_name in args.test_config])
return res
def collect_image(args, platform, os_name):
"""Collect data for image.
@param args: cmdline arguments
@param platform: instantiated platform
@param os_name: name of distro to collect for
@return_value: tuple of results and fail count
"""
res = ({}, 1)
os_config = config.load_os_config(
platform.platform_name, os_name, require_enabled=True,
feature_overrides=args.feature_override)
LOG.debug('os config: %s', os_config)
component = PlatformComponent(
partial(platforms.get_image, platform, os_config))
LOG.info('acquiring image for os: %s', os_name)
with component as image:
res = run_stage('set up and collect data for os: {}'.format(os_name),
[partial(setup_image.setup_image, args, image)] +
[partial(collect_snapshot, args, image, os_name)],
continue_after_error=False)
return res
def collect_platform(args, platform_name):
"""Collect data for platform.
@param args: cmdline arguments
@param platform_name: platform to collect for
@return_value: tuple of results and fail count
"""
res = ({}, 1)
platform_config = config.load_platform_config(
platform_name, require_enabled=True)
platform_config['data_dir'] = args.data_dir
LOG.debug('platform config: %s', platform_config)
component = PlatformComponent(
partial(platforms.get_platform, platform_name, platform_config))
LOG.info('setting up platform: %s', platform_name)
with component as platform:
res = run_stage('collect for platform: {}'.format(platform_name),
[partial(collect_image, args, platform, os_name)
for os_name in args.os_name])
return res
def collect(args):
"""Entry point for collection.
@param args: cmdline arguments
@return_value: fail count
"""
(res, failed) = run_stage(
'collect data', [partial(collect_platform, args, platform_name)
for platform_name in args.platform])
LOG.debug('collect stages: %s', res)
if args.result:
util.merge_results({'collect_stages': res}, args.result)
return failed
# vi: ts=4 expandtab
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