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ansible/test/runner/lib/executor.py

1367 lines
39 KiB
Python

"""Execute Ansible tests."""
from __future__ import absolute_import, print_function
import json
import os
import re
import tempfile
import time
import textwrap
import functools
import shutil
import stat
import random
import string
import atexit
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,
common_environment,
remove_tree,
make_dirs,
is_shippable,
is_binary_file,
find_executable,
raw_command,
)
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,
walk_compile_targets,
)
from lib.changes import (
ShippableChanges,
LocalChanges,
)
from lib.git import (
Git,
)
from lib.classification import (
categorize_changes,
)
from lib.config import (
TestConfig,
EnvironmentConfig,
CompileConfig,
IntegrationConfig,
NetworkIntegrationConfig,
PosixIntegrationConfig,
ShellConfig,
UnitsConfig,
WindowsIntegrationConfig,
)
from lib.test import (
TestMessage,
TestSuccess,
TestFailure,
TestSkipped,
)
SUPPORTED_PYTHON_VERSIONS = (
'2.6',
'2.7',
'3.5',
'3.6',
)
COMPILE_PYTHON_VERSIONS = SUPPORTED_PYTHON_VERSIONS
coverage_path = '' # pylint: disable=locally-disabled, invalid-name
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
packages = []
if isinstance(args, TestConfig):
if args.coverage:
packages.append('coverage')
if args.junit:
packages.append('junit-xml')
extras = []
if isinstance(args, IntegrationConfig):
extras += ['cloud.%s' % cp for cp in get_cloud_platforms(args)]
cmd = generate_pip_install(args.command, packages, extras)
if not cmd:
return
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)
def generate_egg_info(args):
"""
:type args: EnvironmentConfig
"""
if os.path.isdir('lib/ansible.egg-info'):
return
run_command(args, ['python', 'setup.py', 'egg_info'], capture=args.verbosity < 3)
def generate_pip_install(command, packages=None, extras=None):
"""
:type command: str
:type packages: list[str] | None
:type extras: list[str] | None
:rtype: list[str] | None
"""
constraints = 'test/runner/requirements/constraints.txt'
requirements = 'test/runner/requirements/%s.txt' % command
options = []
requirements_list = [requirements]
if extras:
for extra in extras:
requirements_list.append('test/runner/requirements/%s.%s.txt' % (command, extra))
for requirements in requirements_list:
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
"""
internal_targets = command_integration_filter(args, walk_posix_integration_targets())
command_integration_filtered(args, internal_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)
)
internal_targets = command_integration_filter(args, walk_network_integration_targets())
platform_targets = set(a for t in internal_targets for a in t.aliases if a.startswith('network/'))
if args.platform:
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 and 'network/basics/' 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_run, args, platform, version))
instance.daemon = True
instance.start()
instances.append(instance)
install_command_requirements(args)
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)
else:
install_command_requirements(args)
command_integration_filtered(args, internal_targets)
def network_run(args, platform, version):
"""
:type args: NetworkIntegrationConfig
:type platform: str
:type version: str
:rtype: AnsibleCoreCI
"""
core_ci = AnsibleCoreCI(args, platform, version, stage=args.remote_stage)
core_ci.start()
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])
for remote in remotes:
options = dict(
ansible_host=remote.connection.hostname,
ansible_user=remote.connection.username,
ansible_ssh_private_key_file=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)),
)
)
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)
internal_targets = command_integration_filter(args, walk_windows_integration_targets())
if args.windows:
instances = [] # type: list [lib.thread.WrappedThread]
for version in args.windows:
instance = lib.thread.WrappedThread(functools.partial(windows_run, args, version))
instance.daemon = True
instance.start()
instances.append(instance)
install_command_requirements(args)
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)
else:
install_command_requirements(args)
try:
command_integration_filtered(args, internal_targets)
finally:
pass
def windows_run(args, version):
"""
:type args: WindowsIntegrationConfig
:type version: str
:rtype: AnsibleCoreCI
"""
core_ci = AnsibleCoreCI(args, 'windows', version, stage=args.remote_stage)
core_ci.start()
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):
"""
:type args: IntegrationConfig
:type targets: collections.Iterable[IntegrationTarget]
:rtype: tuple[IntegrationTarget]
"""
targets = tuple(targets)
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)
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):
"""
:type args: IntegrationConfig
:type targets: tuple[IntegrationTarget]
"""
found = False
passed = []
failed = []
targets_iter = iter(targets)
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
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
if not args.explain:
# create a fresh test directory for each test target
remove_tree(test_dir)
make_dirs(test_dir)
try:
if target.script_path:
command_integration_script(args, target)
else:
command_integration_role(args, target, start_at_task)
start_at_task = None
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
original_environment.validate(target.name, throw=True)
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 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 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'))
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
"""
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
if hosts == 'net':
hosts = 'all'
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 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:
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 command_compile(args):
"""
:type args: CompileConfig
"""
changes = get_changes_filter(args)
require = (args.require or []) + changes
include, exclude = walk_external_targets(walk_compile_targets(), args.include, args.exclude, require)
if not include:
raise AllTargetsSkipped()
if args.delegate:
raise Delegate(require=changes)
install_command_requirements(args)
total = 0
failed = []
for version in COMPILE_PYTHON_VERSIONS:
# run all versions unless version given, in which case run only that version
if args.python and version != args.python:
continue
display.info('Compile with Python %s' % version)
result = compile_version(args, version, include, exclude)
result.write(args)
total += 1
if isinstance(result, TestFailure):
failed.append('compile --python %s' % version)
if failed:
message = 'The %d compile test(s) listed below (out of %d) failed. See error output above for details.\n%s' % (
len(failed), total, '\n'.join(failed))
if args.failure_ok:
display.error(message)
else:
raise ApplicationError(message)
def compile_version(args, python_version, include, exclude):
"""
:type args: CompileConfig
:type python_version: str
:type include: tuple[CompletionTarget]
:param exclude: tuple[CompletionTarget]
:rtype: TestResult
"""
command = 'compile'
test = ''
# optional list of regex patterns to exclude from tests
skip_file = 'test/compile/python%s-skip.txt' % python_version
if os.path.exists(skip_file):
with open(skip_file, 'r') as skip_fd:
skip_paths = skip_fd.read().splitlines()
else:
skip_paths = []
# augment file exclusions
skip_paths += [e.path for e in exclude]
skip_paths = sorted(skip_paths)
python = 'python%s' % python_version
cmd = [python, 'test/compile/compile.py']
if skip_paths:
cmd += ['-x', '|'.join(skip_paths)]
cmd += [target.path if target.path == '.' else './%s' % target.path for target in include]
try:
stdout, stderr = run_command(args, cmd, capture=True)
status = 0
except SubprocessError as ex:
stdout = ex.stdout
stderr = ex.stderr
status = ex.status
if stderr:
raise SubprocessError(cmd=cmd, status=status, stderr=stderr, stdout=stdout)
if args.explain:
return TestSkipped(command, test, python_version=python_version)
pattern = r'^(?P<path>[^:]*):(?P<line>[0-9]+):(?P<column>[0-9]+): (?P<message>.*)$'
results = [re.search(pattern, line).groupdict() for line in stdout.splitlines()]
results = [TestMessage(
message=r['message'],
path=r['path'].replace('./', ''),
line=int(r['line']),
column=int(r['column']),
) for r in results]
if results:
return TestFailure(command, test, messages=results, python_version=python_version)
return TestSuccess(command, test, python_version=python_version)
def intercept_command(args, cmd, target_name, capture=False, env=None, data=None, cwd=None, python_version=None, path=None):
"""
:type args: TestConfig
:type cmd: collections.Iterable[str]
:type target_name: str
:type capture: bool
:type env: dict[str, str] | None
:type data: str | None
:type cwd: str | None
:type python_version: str | None
:type path: str | None
:rtype: str | None, str | None
"""
if not env:
env = common_environment()
cmd = list(cmd)
inject_path = get_coverage_path(args)
config_path = os.path.join(inject_path, 'injector.json')
version = python_version or args.python_version
interpreter = find_executable('python%s' % version, path=path)
coverage_file = os.path.abspath(os.path.join(inject_path, '..', 'output', '%s=%s=%s=%s=coverage' % (
args.command, target_name, args.coverage_label or 'local-%s' % version, 'python-%s' % version)))
env['PATH'] = inject_path + os.pathsep + env['PATH']
env['ANSIBLE_TEST_PYTHON_VERSION'] = version
env['ANSIBLE_TEST_PYTHON_INTERPRETER'] = interpreter
config = dict(
python_interpreter=interpreter,
coverage_file=coverage_file if args.coverage else None,
)
if not args.explain:
with open(config_path, 'w') as config_fd:
json.dump(config, config_fd, indent=4, sort_keys=True)
return run_command(args, cmd, capture=capture, env=env, data=data, cwd=cwd)
def get_coverage_path(args):
"""
:type args: TestConfig
:rtype: str
"""
global coverage_path # pylint: disable=locally-disabled, global-statement, invalid-name
if coverage_path:
return os.path.join(coverage_path, 'coverage')
prefix = 'ansible-test-coverage-'
tmp_dir = '/tmp'
if args.explain:
return os.path.join(tmp_dir, '%stmp' % prefix, 'coverage')
src = os.path.abspath(os.path.join(os.getcwd(), 'test/runner/injector/'))
coverage_path = tempfile.mkdtemp('', prefix, dir=tmp_dir)
os.chmod(coverage_path, stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH | stat.S_IXOTH)
shutil.copytree(src, os.path.join(coverage_path, 'coverage'))
shutil.copy('.coveragerc', os.path.join(coverage_path, 'coverage', '.coveragerc'))
for root, dir_names, file_names in os.walk(coverage_path):
for name in dir_names + file_names:
os.chmod(os.path.join(root, name), stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH | stat.S_IXOTH)
for directory in 'output', 'logs':
os.mkdir(os.path.join(coverage_path, directory))
os.chmod(os.path.join(coverage_path, directory), stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
atexit.register(cleanup_coverage_dir)
return os.path.join(coverage_path, 'coverage')
def cleanup_coverage_dir():
"""Copy over coverage data from temporary directory and purge temporary directory."""
output_dir = os.path.join(coverage_path, 'output')
for filename in os.listdir(output_dir):
src = os.path.join(output_dir, filename)
dst = os.path.join(os.getcwd(), 'test', 'results', 'coverage')
shutil.copy(src, dst)
logs_dir = os.path.join(coverage_path, 'logs')
for filename in os.listdir(logs_dir):
random_suffix = ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(8))
new_name = '%s.%s.log' % (os.path.splitext(os.path.basename(filename))[0], random_suffix)
src = os.path.join(logs_dir, filename)
dst = os.path.join(os.getcwd(), 'test', 'results', 'logs', new_name)
shutil.copy(src, dst)
shutil.rmtree(coverage_path)
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
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]
"""
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 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 running as root: %s'
% (skip.rstrip('/'), ', '.join(skipped)))
# consider explicit testing of destructive as though --allow-destructive was given
include_destructive = any(target.startswith('destructive/') for target in args.include)
if not args.allow_destructive and not include_destructive:
skip = 'destructive/'
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-destructive to run locally: %s'
% (skip.rstrip('/'), ', '.join(skipped)))
if args.python_version.startswith('3'):
skip = 'skip/python3/'
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 yet supported on python 3: %s'
% (skip.rstrip('/'), ', '.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)))
if args.docker.endswith('py3'):
skip = 'skip/python3/'
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 yet supported on python 3: %s'
% (skip.rstrip('/'), ', '.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 yet supported on %s: %s'
% (skip.rstrip('/'), platform, ', '.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.')