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community.general/test/runner/lib/executor.py

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"""Execute Ansible tests."""
from __future__ import absolute_import, print_function
import json
import os
import collections
import datetime
import re
import tempfile
import time
import textwrap
import functools
import pipes
import hashlib
import lib.pytar
import lib.thread
from lib.core_ci import (
AnsibleCoreCI,
SshKey,
)
from lib.manage_ci import (
ManageWindowsCI,
ManageNetworkCI,
)
from lib.cloud import (
cloud_filter,
cloud_init,
get_cloud_environment,
get_cloud_platforms,
)
from lib.util import (
ApplicationWarning,
ApplicationError,
SubprocessError,
display,
run_command,
intercept_command,
remove_tree,
make_dirs,
is_shippable,
is_binary_file,
find_executable,
raw_command,
get_coverage_path,
)
from lib.ansible_util import (
ansible_environment,
)
from lib.target import (
IntegrationTarget,
walk_external_targets,
walk_internal_targets,
walk_posix_integration_targets,
walk_network_integration_targets,
walk_windows_integration_targets,
walk_units_targets,
)
from lib.changes import (
ShippableChanges,
LocalChanges,
)
from lib.git import (
Git,
)
from lib.classification import (
categorize_changes,
)
from lib.config import (
TestConfig,
EnvironmentConfig,
IntegrationConfig,
NetworkIntegrationConfig,
PosixIntegrationConfig,
ShellConfig,
UnitsConfig,
WindowsIntegrationConfig,
)
SUPPORTED_PYTHON_VERSIONS = (
'2.6',
'2.7',
'3.5',
2017-01-10 19:30:41 +01:00
'3.6',
2017-11-21 02:01:09 +01:00
'3.7',
)
2017-01-24 19:31:39 +01:00
def check_startup():
"""Checks to perform at startup before running commands."""
check_legacy_modules()
def check_legacy_modules():
"""Detect conflicts with legacy core/extras module directories to avoid problems later."""
for directory in 'core', 'extras':
path = 'lib/ansible/modules/%s' % directory
for root, _, file_names in os.walk(path):
if file_names:
# the directory shouldn't exist, but if it does, it must contain no files
raise ApplicationError('Files prohibited in "%s". '
'These are most likely legacy modules from version 2.2 or earlier.' % root)
def create_shell_command(command):
"""
:type command: list[str]
:rtype: list[str]
"""
optional_vars = (
'TERM',
)
cmd = ['/usr/bin/env']
cmd += ['%s=%s' % (var, os.environ[var]) for var in optional_vars if var in os.environ]
cmd += command
return cmd
def install_command_requirements(args):
"""
:type args: EnvironmentConfig
"""
generate_egg_info(args)
if not args.requirements:
return
if isinstance(args, ShellConfig):
return
packages = []
if isinstance(args, TestConfig):
if args.coverage:
packages.append('coverage')
if args.junit:
packages.append('junit-xml')
pip = args.pip_command
commands = [generate_pip_install(pip, args.command, packages=packages)]
if isinstance(args, IntegrationConfig):
for cloud_platform in get_cloud_platforms(args):
commands.append(generate_pip_install(pip, '%s.cloud.%s' % (args.command, cloud_platform)))
commands = [cmd for cmd in commands if cmd]
# only look for changes when more than one requirements file is needed
detect_pip_changes = len(commands) > 1
# first pass to install requirements, changes expected unless environment is already set up
changes = run_pip_commands(args, pip, commands, detect_pip_changes)
if not changes:
return # no changes means we can stop early
# second pass to check for conflicts in requirements, changes are not expected here
changes = run_pip_commands(args, pip, commands, detect_pip_changes)
if not changes:
return # no changes means no conflicts
raise ApplicationError('Conflicts detected in requirements. The following commands reported changes during verification:\n%s' %
'\n'.join((' '.join(pipes.quote(c) for c in cmd) for cmd in changes)))
def run_pip_commands(args, pip, commands, detect_pip_changes=False):
"""
:type args: EnvironmentConfig
:type pip: list[str]
:type commands: list[list[str]]
:type detect_pip_changes: bool
:rtype: list[list[str]]
"""
changes = []
after_list = pip_list(args, pip) if detect_pip_changes else None
for cmd in commands:
if not cmd:
continue
before_list = after_list
try:
run_command(args, cmd)
except SubprocessError as ex:
if ex.status != 2:
raise
# If pip is too old it won't understand the arguments we passed in, so we'll need to upgrade it.
# Installing "coverage" on ubuntu 16.04 fails with the error:
# AttributeError: 'Requirement' object has no attribute 'project_name'
# See: https://bugs.launchpad.net/ubuntu/xenial/+source/python-pip/+bug/1626258
# Upgrading pip works around the issue.
run_command(args, pip + ['install', '--upgrade', 'pip'])
run_command(args, cmd)
after_list = pip_list(args, pip) if detect_pip_changes else None
if before_list != after_list:
changes.append(cmd)
return changes
def pip_list(args, pip):
"""
:type args: EnvironmentConfig
:type pip: list[str]
:rtype: str
"""
stdout, _ = run_command(args, pip + ['list'], capture=True)
return stdout
def generate_egg_info(args):
"""
:type args: EnvironmentConfig
"""
if os.path.isdir('lib/ansible.egg-info'):
return
run_command(args, [args.python_executable, 'setup.py', 'egg_info'], capture=args.verbosity < 3)
def generate_pip_install(pip, command, packages=None):
"""
:type pip: list[str]
:type command: str
:type packages: list[str] | None
:rtype: list[str] | None
"""
constraints = 'test/runner/requirements/constraints.txt'
requirements = 'test/runner/requirements/%s.txt' % command
options = []
if os.path.exists(requirements) and os.path.getsize(requirements):
options += ['-r', requirements]
if packages:
options += packages
if not options:
return None
return pip + ['install', '--disable-pip-version-check', '-c', constraints] + options
def command_shell(args):
"""
:type args: ShellConfig
"""
if args.delegate:
raise Delegate()
install_command_requirements(args)
cmd = create_shell_command(['bash', '-i'])
run_command(args, cmd)
def command_posix_integration(args):
"""
:type args: PosixIntegrationConfig
"""
all_targets = tuple(walk_posix_integration_targets(include_hidden=True))
internal_targets = command_integration_filter(args, all_targets)
command_integration_filtered(args, internal_targets, all_targets)
def command_network_integration(args):
"""
:type args: NetworkIntegrationConfig
"""
default_filename = 'test/integration/inventory.networking'
if args.inventory:
filename = os.path.join('test/integration', args.inventory)
else:
filename = default_filename
if not args.explain and not args.platform and not os.path.exists(filename):
if args.inventory:
filename = os.path.abspath(filename)
raise ApplicationError(
'Inventory not found: %s\n'
'Use --inventory to specify the inventory path.\n'
'Use --platform to provision resources and generate an inventory file.\n'
'See also inventory template: %s.template' % (filename, default_filename)
)
all_targets = tuple(walk_network_integration_targets(include_hidden=True))
internal_targets = command_integration_filter(args, all_targets, init_callback=network_init)
instances = [] # type: list [lib.thread.WrappedThread]
if args.platform:
get_coverage_path(args) # initialize before starting threads
configs = dict((config['platform_version'], config) for config in args.metadata.instance_config)
for platform_version in args.platform:
platform, version = platform_version.split('/', 1)
config = configs.get(platform_version)
if not config:
continue
instance = lib.thread.WrappedThread(functools.partial(network_run, args, platform, version, config))
instance.daemon = True
instance.start()
instances.append(instance)
while any(instance.is_alive() for instance in instances):
time.sleep(1)
remotes = [instance.wait_for_result() for instance in instances]
inventory = network_inventory(remotes)
display.info('>>> Inventory: %s\n%s' % (filename, inventory.strip()), verbosity=3)
if not args.explain:
with open(filename, 'w') as inventory_fd:
inventory_fd.write(inventory)
success = False
try:
command_integration_filtered(args, internal_targets, all_targets)
success = True
finally:
if args.remote_terminate == 'always' or (args.remote_terminate == 'success' and success):
for instance in instances:
instance.result.stop()
def network_init(args, internal_targets):
"""
:type args: NetworkIntegrationConfig
:type internal_targets: tuple[IntegrationTarget]
"""
if not args.platform:
return
if args.metadata.instance_config is not None:
return
platform_targets = set(a for t in internal_targets for a in t.aliases if a.startswith('network/'))
instances = [] # type: list [lib.thread.WrappedThread]
# generate an ssh key (if needed) up front once, instead of for each instance
SshKey(args)
for platform_version in args.platform:
platform, version = platform_version.split('/', 1)
platform_target = 'network/%s/' % platform
if platform_target not in platform_targets:
display.warning('Skipping "%s" because selected tests do not target the "%s" platform.' % (
platform_version, platform))
continue
instance = lib.thread.WrappedThread(functools.partial(network_start, args, platform, version))
instance.daemon = True
instance.start()
instances.append(instance)
while any(instance.is_alive() for instance in instances):
time.sleep(1)
args.metadata.instance_config = [instance.wait_for_result() for instance in instances]
def network_start(args, platform, version):
"""
:type args: NetworkIntegrationConfig
:type platform: str
:type version: str
:rtype: AnsibleCoreCI
"""
core_ci = AnsibleCoreCI(args, platform, version, stage=args.remote_stage, provider=args.remote_provider)
core_ci.start()
return core_ci.save()
def network_run(args, platform, version, config):
"""
:type args: NetworkIntegrationConfig
:type platform: str
:type version: str
:type config: dict[str, str]
:rtype: AnsibleCoreCI
"""
core_ci = AnsibleCoreCI(args, platform, version, stage=args.remote_stage, provider=args.remote_provider, load=False)
core_ci.load(config)
core_ci.wait()
manage = ManageNetworkCI(core_ci)
manage.wait()
return core_ci
def network_inventory(remotes):
"""
:type remotes: list[AnsibleCoreCI]
:rtype: str
"""
groups = dict([(remote.platform, []) for remote in remotes])
net = []
for remote in remotes:
options = dict(
ansible_host=remote.connection.hostname,
ansible_user=remote.connection.username,
ansible_ssh_private_key_file=os.path.abspath(remote.ssh_key.key),
ansible_network_os=remote.platform,
ansible_connection='local'
)
groups[remote.platform].append(
'%s %s' % (
remote.name.replace('.', '-'),
' '.join('%s="%s"' % (k, options[k]) for k in sorted(options)),
)
)
net.append(remote.platform)
groups['net:children'] = net
template = ''
for group in groups:
hosts = '\n'.join(groups[group])
template += textwrap.dedent("""
[%s]
%s
""") % (group, hosts)
inventory = template
return inventory
def command_windows_integration(args):
"""
:type args: WindowsIntegrationConfig
"""
filename = 'test/integration/inventory.winrm'
if not args.explain and not args.windows and not os.path.isfile(filename):
raise ApplicationError('Use the --windows option or provide an inventory file (see %s.template).' % filename)
all_targets = tuple(walk_windows_integration_targets(include_hidden=True))
internal_targets = command_integration_filter(args, all_targets, init_callback=windows_init)
instances = [] # type: list [lib.thread.WrappedThread]
if args.windows:
get_coverage_path(args) # initialize before starting threads
configs = dict((config['platform_version'], config) for config in args.metadata.instance_config)
for version in args.windows:
config = configs['windows/%s' % version]
instance = lib.thread.WrappedThread(functools.partial(windows_run, args, version, config))
instance.daemon = True
instance.start()
instances.append(instance)
while any(instance.is_alive() for instance in instances):
time.sleep(1)
remotes = [instance.wait_for_result() for instance in instances]
inventory = windows_inventory(remotes)
display.info('>>> Inventory: %s\n%s' % (filename, inventory.strip()), verbosity=3)
if not args.explain:
with open(filename, 'w') as inventory_fd:
inventory_fd.write(inventory)
success = False
try:
command_integration_filtered(args, internal_targets, all_targets)
success = True
finally:
if args.remote_terminate == 'always' or (args.remote_terminate == 'success' and success):
for instance in instances:
instance.result.stop()
def windows_init(args, internal_targets): # pylint: disable=locally-disabled, unused-argument
"""
:type args: WindowsIntegrationConfig
:type internal_targets: tuple[IntegrationTarget]
"""
if not args.windows:
return
if args.metadata.instance_config is not None:
return
instances = [] # type: list [lib.thread.WrappedThread]
for version in args.windows:
instance = lib.thread.WrappedThread(functools.partial(windows_start, args, version))
instance.daemon = True
instance.start()
instances.append(instance)
while any(instance.is_alive() for instance in instances):
time.sleep(1)
args.metadata.instance_config = [instance.wait_for_result() for instance in instances]
def windows_start(args, version):
"""
:type args: WindowsIntegrationConfig
:type version: str
:rtype: AnsibleCoreCI
"""
core_ci = AnsibleCoreCI(args, 'windows', version, stage=args.remote_stage, provider=args.remote_provider)
core_ci.start()
return core_ci.save()
def windows_run(args, version, config):
"""
:type args: WindowsIntegrationConfig
:type version: str
:type config: dict[str, str]
:rtype: AnsibleCoreCI
"""
core_ci = AnsibleCoreCI(args, 'windows', version, stage=args.remote_stage, provider=args.remote_provider, load=False)
core_ci.load(config)
core_ci.wait()
manage = ManageWindowsCI(core_ci)
manage.wait()
return core_ci
def windows_inventory(remotes):
"""
:type remotes: list[AnsibleCoreCI]
:rtype: str
"""
hosts = []
for remote in remotes:
options = dict(
ansible_host=remote.connection.hostname,
ansible_user=remote.connection.username,
ansible_password=remote.connection.password,
ansible_port=remote.connection.port,
)
hosts.append(
'%s %s' % (
remote.name.replace('/', '_'),
' '.join('%s="%s"' % (k, options[k]) for k in sorted(options)),
)
)
template = """
[windows]
%s
[windows:vars]
ansible_connection=winrm
ansible_winrm_server_cert_validation=ignore
# support winrm connection tests (temporary solution, does not support testing enable/disable of pipelining)
[winrm:children]
windows
# support winrm binary module tests (temporary solution)
[testhost_binary_modules:children]
windows
"""
template = textwrap.dedent(template)
inventory = template % ('\n'.join(hosts))
return inventory
def command_integration_filter(args, targets, init_callback=None):
"""
:type args: IntegrationConfig
:type targets: collections.Iterable[IntegrationTarget]
:type init_callback: (IntegrationConfig, tuple[IntegrationTarget]) -> None
:rtype: tuple[IntegrationTarget]
"""
targets = tuple(target for target in targets if 'hidden/' not in target.aliases)
changes = get_changes_filter(args)
require = (args.require or []) + changes
exclude = (args.exclude or [])
internal_targets = walk_internal_targets(targets, args.include, exclude, require)
environment_exclude = get_integration_filter(args, internal_targets)
environment_exclude += cloud_filter(args, internal_targets)
if environment_exclude:
exclude += environment_exclude
internal_targets = walk_internal_targets(targets, args.include, exclude, require)
if not internal_targets:
raise AllTargetsSkipped()
if args.start_at and not any(t.name == args.start_at for t in internal_targets):
raise ApplicationError('Start at target matches nothing: %s' % args.start_at)
if init_callback:
init_callback(args, internal_targets)
cloud_init(args, internal_targets)
if args.delegate:
raise Delegate(require=changes, exclude=exclude)
install_command_requirements(args)
return internal_targets
def command_integration_filtered(args, targets, all_targets):
"""
:type args: IntegrationConfig
:type targets: tuple[IntegrationTarget]
:type all_targets: tuple[IntegrationTarget]
"""
found = False
passed = []
failed = []
targets_iter = iter(targets)
all_targets_dict = dict((target.name, target) for target in all_targets)
setup_errors = []
setup_targets_executed = set()
for target in all_targets:
for setup_target in target.setup_once + target.setup_always:
if setup_target not in all_targets_dict:
setup_errors.append('Target "%s" contains invalid setup target: %s' % (target.name, setup_target))
if setup_errors:
raise ApplicationError('Found %d invalid setup aliases:\n%s' % (len(setup_errors), '\n'.join(setup_errors)))
test_dir = os.path.expanduser('~/ansible_testing')
if not args.explain and any('needs/ssh/' in target.aliases for target in targets):
max_tries = 20
display.info('SSH service required for tests. Checking to make sure we can connect.')
for i in range(1, max_tries + 1):
try:
run_command(args, ['ssh', '-o', 'BatchMode=yes', 'localhost', 'id'], capture=True)
display.info('SSH service responded.')
break
except SubprocessError:
if i == max_tries:
raise
seconds = 3
display.warning('SSH service not responding. Waiting %d second(s) before checking again.' % seconds)
time.sleep(seconds)
start_at_task = args.start_at_task
results = {}
for target in targets_iter:
if args.start_at and not found:
found = target.name == args.start_at
if not found:
continue
if args.list_targets:
print(target.name)
continue
tries = 2 if args.retry_on_error else 1
verbosity = args.verbosity
cloud_environment = get_cloud_environment(args, target)
original_environment = EnvironmentDescription(args)
display.info('>>> Environment Description\n%s' % original_environment, verbosity=3)
try:
while tries:
tries -= 1
try:
if cloud_environment:
cloud_environment.setup_once()
run_setup_targets(args, test_dir, target.setup_once, all_targets_dict, setup_targets_executed, False)
start_time = time.time()
run_setup_targets(args, test_dir, target.setup_always, all_targets_dict, setup_targets_executed, True)
if not args.explain:
# create a fresh test directory for each test target
remove_tree(test_dir)
make_dirs(test_dir)
if target.script_path:
command_integration_script(args, target)
else:
command_integration_role(args, target, start_at_task)
start_at_task = None
end_time = time.time()
results[target.name] = dict(
name=target.name,
type=target.type,
aliases=target.aliases,
modules=target.modules,
run_time_seconds=int(end_time - start_time),
setup_once=target.setup_once,
setup_always=target.setup_always,
coverage=args.coverage,
coverage_label=args.coverage_label,
python_version=args.python_version,
)
break
except SubprocessError:
if cloud_environment:
cloud_environment.on_failure(target, tries)
if not original_environment.validate(target.name, throw=False):
raise
if not tries:
raise
display.warning('Retrying test target "%s" with maximum verbosity.' % target.name)
display.verbosity = args.verbosity = 6
start_time = time.time()
original_environment.validate(target.name, throw=True)
end_time = time.time()
results[target.name]['validation_seconds'] = int(end_time - start_time)
passed.append(target)
except Exception as ex:
failed.append(target)
if args.continue_on_error:
display.error(ex)
continue
display.notice('To resume at this test target, use the option: --start-at %s' % target.name)
next_target = next(targets_iter, None)
if next_target:
display.notice('To resume after this test target, use the option: --start-at %s' % next_target.name)
raise
finally:
display.verbosity = args.verbosity = verbosity
if not args.explain:
results_path = 'test/results/data/%s-%s.json' % (args.command, re.sub(r'[^0-9]', '-', str(datetime.datetime.utcnow().replace(microsecond=0))))
data = dict(
targets=results,
)
with open(results_path, 'w') as results_fd:
results_fd.write(json.dumps(data, sort_keys=True, indent=4))
if failed:
raise ApplicationError('The %d integration test(s) listed below (out of %d) failed. See error output above for details:\n%s' % (
len(failed), len(passed) + len(failed), '\n'.join(target.name for target in failed)))
def run_setup_targets(args, test_dir, target_names, targets_dict, targets_executed, always):
"""
:type args: IntegrationConfig
:type test_dir: str
:type target_names: list[str]
:type targets_dict: dict[str, IntegrationTarget]
:type targets_executed: set[str]
:type always: bool
"""
for target_name in target_names:
if not always and target_name in targets_executed:
continue
target = targets_dict[target_name]
if not args.explain:
# create a fresh test directory for each test target
remove_tree(test_dir)
make_dirs(test_dir)
if target.script_path:
command_integration_script(args, target)
else:
command_integration_role(args, target, None)
targets_executed.add(target_name)
def integration_environment(args, target, cmd):
"""
:type args: IntegrationConfig
:type target: IntegrationTarget
:type cmd: list[str]
:rtype: dict[str, str]
"""
env = ansible_environment(args)
integration = dict(
JUNIT_OUTPUT_DIR=os.path.abspath('test/results/junit'),
ANSIBLE_CALLBACK_WHITELIST='junit',
ANSIBLE_TEST_CI=args.metadata.ci_provider,
)
if args.debug_strategy:
env.update(dict(ANSIBLE_STRATEGY='debug'))
if 'non_local/' in target.aliases:
if args.coverage:
display.warning('Skipping coverage reporting for non-local test: %s' % target.name)
env.update(dict(ANSIBLE_TEST_REMOTE_INTERPRETER=''))
env.update(integration)
cloud_environment = get_cloud_environment(args, target)
if cloud_environment:
cloud_environment.configure_environment(env, cmd)
return env
def command_integration_script(args, target):
"""
:type args: IntegrationConfig
:type target: IntegrationTarget
"""
display.info('Running %s integration test script' % target.name)
cmd = ['./%s' % os.path.basename(target.script_path)]
if args.verbosity:
cmd.append('-' + ('v' * args.verbosity))
env = integration_environment(args, target, cmd)
cwd = target.path
intercept_command(args, cmd, target_name=target.name, env=env, cwd=cwd)
def command_integration_role(args, target, start_at_task):
"""
:type args: IntegrationConfig
:type target: IntegrationTarget
:type start_at_task: str | None
"""
display.info('Running %s integration test role' % target.name)
vars_file = 'integration_config.yml'
if isinstance(args, WindowsIntegrationConfig):
inventory = 'inventory.winrm'
hosts = 'windows'
gather_facts = False
elif isinstance(args, NetworkIntegrationConfig):
inventory = args.inventory or 'inventory.networking'
hosts = target.name[:target.name.find('_')]
gather_facts = False
else:
inventory = 'inventory'
hosts = 'testhost'
gather_facts = True
cloud_environment = get_cloud_environment(args, target)
if cloud_environment:
hosts = cloud_environment.inventory_hosts or hosts
playbook = '''
- hosts: %s
gather_facts: %s
roles:
- { role: %s }
''' % (hosts, gather_facts, target.name)
with tempfile.NamedTemporaryFile(dir='test/integration', prefix='%s-' % target.name, suffix='.yml') as pb_fd:
pb_fd.write(playbook.encode('utf-8'))
pb_fd.flush()
filename = os.path.basename(pb_fd.name)
display.info('>>> Playbook: %s\n%s' % (filename, playbook.strip()), verbosity=3)
cmd = ['ansible-playbook', filename, '-i', inventory, '-e', '@%s' % vars_file]
if start_at_task:
cmd += ['--start-at-task', start_at_task]
if args.tags:
cmd += ['--tags', args.tags]
if args.skip_tags:
cmd += ['--skip-tags', args.skip_tags]
if args.diff:
cmd += ['--diff']
if isinstance(args, NetworkIntegrationConfig):
if args.testcase:
cmd += ['-e', 'testcase=%s' % args.testcase]
if args.verbosity:
cmd.append('-' + ('v' * args.verbosity))
env = integration_environment(args, target, cmd)
cwd = 'test/integration'
env['ANSIBLE_ROLES_PATH'] = os.path.abspath('test/integration/targets')
intercept_command(args, cmd, target_name=target.name, env=env, cwd=cwd)
def command_units(args):
"""
:type args: UnitsConfig
"""
changes = get_changes_filter(args)
require = (args.require or []) + changes
include, exclude = walk_external_targets(walk_units_targets(), args.include, args.exclude, require)
if not include:
raise AllTargetsSkipped()
if args.delegate:
raise Delegate(require=changes)
install_command_requirements(args)
version_commands = []
for version in SUPPORTED_PYTHON_VERSIONS:
# run all versions unless version given, in which case run only that version
if args.python and version != args.python_version:
continue
env = ansible_environment(args)
cmd = [
'pytest',
'--boxed',
'-r', 'a',
'--color',
'yes' if args.color else 'no',
'--junit-xml',
'test/results/junit/python%s-units.xml' % version,
]
if args.collect_only:
cmd.append('--collect-only')
if args.verbosity:
cmd.append('-' + ('v' * args.verbosity))
if exclude:
cmd += ['--ignore=%s' % target.path for target in exclude]
cmd += [target.path for target in include]
version_commands.append((version, cmd, env))
for version, command, env in version_commands:
display.info('Unit test with Python %s' % version)
try:
intercept_command(args, command, target_name='units', env=env, python_version=version)
except SubprocessError as ex:
# pytest exits with status code 5 when all tests are skipped, which isn't an error for our use case
if ex.status != 5:
raise
def get_changes_filter(args):
"""
:type args: TestConfig
:rtype: list[str]
"""
paths = detect_changes(args)
if paths is None:
return [] # change detection not enabled, do not filter targets
if not paths:
raise NoChangesDetected()
commands = categorize_changes(args, paths, args.command)
targets = commands.get(args.command)
if targets is None:
raise NoTestsForChanges()
if targets == ['all']:
return [] # changes require testing all targets, do not filter targets
return targets
def detect_changes(args):
"""
:type args: TestConfig
:rtype: list[str] | None
"""
if args.changed and is_shippable():
display.info('Shippable detected, collecting parameters from environment.')
paths = detect_changes_shippable(args)
elif args.changed_from or args.changed_path:
paths = args.changed_path or []
if args.changed_from:
with open(args.changed_from, 'r') as changes_fd:
paths += changes_fd.read().splitlines()
elif args.changed:
paths = detect_changes_local(args)
else:
return None # change detection not enabled
if paths is None:
return None # act as though change detection not enabled, do not filter targets
display.info('Detected changes in %d file(s).' % len(paths))
for path in paths:
display.info(path, verbosity=1)
return paths
def detect_changes_shippable(args):
"""Initialize change detection on Shippable.
:type args: TestConfig
:rtype: list[str] | None
"""
git = Git(args)
result = ShippableChanges(args, git)
if result.is_pr:
job_type = 'pull request'
elif result.is_tag:
job_type = 'tag'
else:
job_type = 'merge commit'
display.info('Processing %s for branch %s commit %s' % (job_type, result.branch, result.commit))
if not args.metadata.changes:
args.metadata.populate_changes(result.diff)
return result.paths
def detect_changes_local(args):
"""
:type args: TestConfig
:rtype: list[str]
"""
git = Git(args)
result = LocalChanges(args, git)
display.info('Detected branch %s forked from %s at commit %s' % (
result.current_branch, result.fork_branch, result.fork_point))
if result.untracked and not args.untracked:
display.warning('Ignored %s untracked file(s). Use --untracked to include them.' %
len(result.untracked))
if result.committed and not args.committed:
display.warning('Ignored %s committed change(s). Omit --ignore-committed to include them.' %
len(result.committed))
if result.staged and not args.staged:
display.warning('Ignored %s staged change(s). Omit --ignore-staged to include them.' %
len(result.staged))
if result.unstaged and not args.unstaged:
display.warning('Ignored %s unstaged change(s). Omit --ignore-unstaged to include them.' %
len(result.unstaged))
names = set()
if args.tracked:
names |= set(result.tracked)
if args.untracked:
names |= set(result.untracked)
if args.committed:
names |= set(result.committed)
if args.staged:
names |= set(result.staged)
if args.unstaged:
names |= set(result.unstaged)
if not args.metadata.changes:
args.metadata.populate_changes(result.diff)
for path in result.untracked:
if is_binary_file(path):
args.metadata.changes[path] = ((0, 0),)
continue
with open(path, 'r') as source_fd:
line_count = len(source_fd.read().splitlines())
args.metadata.changes[path] = ((1, line_count),)
return sorted(names)
def get_integration_filter(args, targets):
"""
:type args: IntegrationConfig
:type targets: tuple[IntegrationTarget]
:rtype: list[str]
"""
if args.tox:
# tox has the same exclusions as the local environment
return get_integration_local_filter(args, targets)
if args.docker:
return get_integration_docker_filter(args, targets)
if args.remote:
return get_integration_remote_filter(args, targets)
return get_integration_local_filter(args, targets)
def get_integration_local_filter(args, targets):
"""
:type args: IntegrationConfig
:type targets: tuple[IntegrationTarget]
:rtype: list[str]
"""
exclude = []
if not args.allow_root and os.getuid() != 0:
skip = 'needs/root/'
skipped = [target.name for target in targets if skip in target.aliases]
if skipped:
exclude.append(skip)
display.warning('Excluding tests marked "%s" which require --allow-root or running as root: %s'
% (skip.rstrip('/'), ', '.join(skipped)))
override_destructive = set(target for target in args.include if target.startswith('destructive/'))
if not args.allow_destructive:
skip = 'destructive/'
override = [target.name for target in targets if override_destructive & set(target.aliases)]
skipped = [target.name for target in targets if skip in target.aliases and target.name not in override]
if skipped:
exclude.extend(skipped)
display.warning('Excluding tests marked "%s" which require --allow-destructive or prefixing with "destructive/" to run locally: %s'
% (skip.rstrip('/'), ', '.join(skipped)))
if args.python_version.startswith('3'):
python_version = 3
else:
python_version = 2
skip = 'skip/python%d/' % python_version
skipped = [target.name for target in targets if skip in target.aliases]
if skipped:
exclude.append(skip)
display.warning('Excluding tests marked "%s" which are not supported on python %d: %s'
% (skip.rstrip('/'), python_version, ', '.join(skipped)))
return exclude
def get_integration_docker_filter(args, targets):
"""
:type args: IntegrationConfig
:type targets: tuple[IntegrationTarget]
:rtype: list[str]
"""
exclude = []
if not args.docker_privileged:
skip = 'needs/privileged/'
skipped = [target.name for target in targets if skip in target.aliases]
if skipped:
exclude.append(skip)
display.warning('Excluding tests marked "%s" which require --docker-privileged to run under docker: %s'
% (skip.rstrip('/'), ', '.join(skipped)))
docker_image = args.docker.split('@')[0] # strip SHA for proper tag comparison
python_version = 2 # images are expected to default to python 2 unless otherwise specified
if docker_image.endswith('py3'):
python_version = 3 # docker images ending in 'py3' are expected to default to python 3
if docker_image.endswith(':default'):
python_version = 3 # docker images tagged 'default' are expected to default to python 3
if args.python: # specifying a numeric --python option overrides the default python
if args.python.startswith('3'):
python_version = 3
elif args.python.startswith('2'):
python_version = 2
skip = 'skip/python%d/' % python_version
skipped = [target.name for target in targets if skip in target.aliases]
if skipped:
exclude.append(skip)
display.warning('Excluding tests marked "%s" which are not supported on python %d: %s'
% (skip.rstrip('/'), python_version, ', '.join(skipped)))
return exclude
def get_integration_remote_filter(args, targets):
"""
:type args: IntegrationConfig
:type targets: tuple[IntegrationTarget]
:rtype: list[str]
"""
parts = args.remote.split('/', 1)
platform = parts[0]
exclude = []
skip = 'skip/%s/' % platform
skipped = [target.name for target in targets if skip in target.aliases]
if skipped:
exclude.append(skip)
display.warning('Excluding tests marked "%s" which are not supported on %s: %s'
% (skip.rstrip('/'), platform, ', '.join(skipped)))
python_version = 2 # remotes are expected to default to python 2
skip = 'skip/python%d/' % python_version
skipped = [target.name for target in targets if skip in target.aliases]
if skipped:
exclude.append(skip)
display.warning('Excluding tests marked "%s" which are not supported on python %d: %s'
% (skip.rstrip('/'), python_version, ', '.join(skipped)))
return exclude
class EnvironmentDescription(object):
"""Description of current running environment."""
def __init__(self, args):
"""Initialize snapshot of environment configuration.
:type args: IntegrationConfig
"""
self.args = args
if self.args.explain:
self.data = {}
return
versions = ['']
versions += SUPPORTED_PYTHON_VERSIONS
versions += list(set(v.split('.')[0] for v in SUPPORTED_PYTHON_VERSIONS))
python_paths = dict((v, find_executable('python%s' % v, required=False)) for v in sorted(versions))
python_versions = dict((v, self.get_version([python_paths[v], '-V'])) for v in sorted(python_paths) if python_paths[v])
pip_paths = dict((v, find_executable('pip%s' % v, required=False)) for v in sorted(versions))
pip_versions = dict((v, self.get_version([pip_paths[v], '--version'])) for v in sorted(pip_paths) if pip_paths[v])
pip_interpreters = dict((v, self.get_shebang(pip_paths[v])) for v in sorted(pip_paths) if pip_paths[v])
known_hosts_hash = self.get_hash(os.path.expanduser('~/.ssh/known_hosts'))
self.data = dict(
python_paths=python_paths,
python_versions=python_versions,
pip_paths=pip_paths,
pip_versions=pip_versions,
pip_interpreters=pip_interpreters,
known_hosts_hash=known_hosts_hash,
)
def __str__(self):
"""
:rtype: str
"""
return json.dumps(self.data, sort_keys=True, indent=4)
def validate(self, target_name, throw):
"""
:type target_name: str
:type throw: bool
:rtype: bool
"""
current = EnvironmentDescription(self.args)
original_json = str(self)
current_json = str(current)
if original_json == current_json:
return True
message = ('Test target "%s" has changed the test environment!\n'
'If these changes are necessary, they must be reverted before the test finishes.\n'
'>>> Original Environment\n'
'%s\n'
'>>> Current Environment\n'
'%s' % (target_name, original_json, current_json))
if throw:
raise ApplicationError(message)
display.error(message)
return False
@staticmethod
def get_version(command):
"""
:type command: list[str]
:rtype: str
"""
try:
stdout, stderr = raw_command(command, capture=True, cmd_verbosity=2)
except SubprocessError:
return None # all failures are equal, we don't care why it failed, only that it did
return (stdout or '').strip() + (stderr or '').strip()
@staticmethod
def get_shebang(path):
"""
:type path: str
:rtype: str
"""
with open(path) as script_fd:
return script_fd.readline()
@staticmethod
def get_hash(path):
"""
:type path: str
:rtype: str | None
"""
if not os.path.exists(path):
return None
file_hash = hashlib.md5()
with open(path, 'rb') as file_fd:
file_hash.update(file_fd.read())
return file_hash.hexdigest()
class NoChangesDetected(ApplicationWarning):
"""Exception when change detection was performed, but no changes were found."""
def __init__(self):
super(NoChangesDetected, self).__init__('No changes detected.')
class NoTestsForChanges(ApplicationWarning):
"""Exception when changes detected, but no tests trigger as a result."""
def __init__(self):
super(NoTestsForChanges, self).__init__('No tests found for detected changes.')
class Delegate(Exception):
"""Trigger command delegation."""
def __init__(self, exclude=None, require=None):
"""
:type exclude: list[str] | None
:type require: list[str] | None
"""
super(Delegate, self).__init__()
self.exclude = exclude or []
self.require = require or []
class AllTargetsSkipped(ApplicationWarning):
"""All targets skipped."""
def __init__(self):
super(AllTargetsSkipped, self).__init__('All targets skipped.')