#!/usr/bin/env python # (c) 2016 Matt Clay # # This file is part of Ansible # # Ansible is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # Ansible is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with Ansible. If not, see . from __future__ import print_function import os import subprocess import sys from os import path from argparse import ArgumentParser import ansible.constants as C from ansible.playbook import Playbook from ansible.vars import VariableManager from ansible.parsing.dataloader import DataLoader def main(): """Generate an integration test script for changed modules.""" C.DEPRECATION_WARNINGS = False posix_targets = [ 'non_destructive', 'destructive', ] windows_targets = [ 'test_win_group1', 'test_win_group2', 'test_win_group3', ] parser = ArgumentParser(description='Generate an integration test script for changed modules.') parser.add_argument('module_group', choices=['core', 'extras'], help='module group to test') parser.add_argument('-v', '--verbose', dest='verbose', action='store_true', help='write verbose output to stderr') parser.add_argument('--changes', dest='changes', default=None, help='file listing changed paths (default: query git)') parser.add_argument('--image', dest='image', default=os.environ.get('IMAGE'), help='image to run tests with') parser.add_argument('--privileged', dest='privileged', action='store_true', default=os.environ.get('PRIVILEGED') == 'true', help='run container in privileged mode') parser.add_argument('--platform', dest='platform', default=os.environ.get('PLATFORM'), help='platform to run tests on') parser.add_argument('--version', dest='version', default=os.environ.get('VERSION'), help='version of platform to run tests on') parser.add_argument('--output', dest='output', required=True, help='path to write output script to') args = parser.parse_args() targets = posix_targets if args.image is not None: script = 'integration' jobs = ['IMAGE=%s%s' % (args.image, ' PRIVILEGED=true' if args.privileged else '')] elif args.platform is not None and args.version is not None: script = 'remote' jobs = ['PLATFORM=%s VERSION=%s' % (args.platform, args.version)] if args.platform == 'windows': targets = windows_targets else: raise Exception('job parameters not specified') generate_test_commands(args.module_group, targets, script, args.output, jobs=jobs, verbose=args.verbose, changes=args.changes) def generate_test_commands(module_group, targets, script, output, jobs=None, verbose=False, changes=None): """Generate test commands for the given module group and test targets. Args: module_group: The module group (core, extras) to examine. targets: The test targets to examine. script: The script used to execute the test targets. output: The path to write the output script to. jobs: The test jobs to execute, or None to auto-detect. verbose: True to write detailed output to stderr. changes: Path to file containing list of changed files, or None to query git. """ base_dir = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')) job_config_path = path.join(base_dir, 'shippable.yml') module_dir = os.path.join(base_dir, 'lib', 'ansible', 'modules', module_group) if verbose: print_stderr(' config: %s' % job_config_path) print_stderr('modules: %s' % module_dir) print_stderr('targets: %s' % ' '.join(targets)) print_stderr() if changes is None: paths_changed = get_changed_paths(module_dir) else: with open(changes, 'r') as f: paths_changed = f.read().strip().split('\n') if len(paths_changed) == 0: print_stderr('No changes to files detected.') exit() if verbose: dump_stderr('paths_changed', paths_changed) modules_changed = get_modules(paths_changed) if len(modules_changed) == 0: print_stderr('No changes to modules detected.') exit() if verbose: dump_stderr('modules_changed', modules_changed) module_tags = get_module_test_tags(modules_changed) if verbose: dump_stderr('module_tags', module_tags) available_tags = get_target_tags(base_dir, targets) if verbose: dump_stderr('available_tags', available_tags) use_tags = module_tags & available_tags if len(use_tags) == 0: print_stderr('No tagged test roles found for changed modules.') exit() if verbose: dump_stderr('use_tags', use_tags) target = ' '.join(targets) tags = ','.join(use_tags) script_path = 'test/utils/shippable/%s.sh' % script commands = ['TARGET="%s" TEST_FLAGS="-t %s" %s %s' % (target, tags, j, script_path) for j in jobs] with open(output, 'w') as f: f.writelines(commands) f.write('\n') def print_stderr(*args, **kwargs): """Print to stderr.""" print(*args, file=sys.stderr, **kwargs) sys.stderr.flush() def dump_stderr(label, l): """Write a label and list contents to stderr. Args: label: The label to print for this list. l: The list to dump to stderr. """ print_stderr('[%s:%s]\n%s\n' % (label, len(l), '\n'.join(l))) def get_target_tags(base_dir, targets): """Get role tags from the integration tests for the given test targets. Args: base_dir: The root of the ansible source code. targets: The test targets to scan for tags. Returns: Set of role tags. """ playbook_dir = os.path.join(base_dir, 'test', 'integration') tags = set() for target in targets: playbook_path = os.path.join(playbook_dir, target + '.yml') tags |= get_role_tags(playbook_path) return tags def get_role_tags(playbook_path): """Get role tags from the given playbook. Args: playbook_path: Path to the playbook to get role tags from. Returns: Set of role tags. """ variable_manager = VariableManager() loader = DataLoader() playbook = Playbook.load(playbook_path, variable_manager=variable_manager, loader=loader) tags = set() for play in playbook.get_plays(): for role in play.get_roles(): for tag in role.tags: tags.add(tag) return tags def get_changed_paths(git_root, branch='devel'): """Get file paths changed in current branch vs given branch. Args: git_root: The root of the git clone. branch: The branch to compare against (default: devel) Returns: List of file paths changed. """ paths = subprocess.check_output(['git', 'diff', '--name-only', branch], cwd=git_root).strip().split('\n') return paths def get_modules(paths): """Get module names from file paths. Args: paths: List of paths to extract module names from. Returns: List of module names. """ module_extensions = [ '.py', '.ps1', ] modules = [path.splitext(path.basename(c))[0].strip('_') for c in paths if path.splitext(c)[1] in module_extensions and '/' in c and not c.startswith('test/') and not path.basename(c)[0] == '__init__.py'] return modules def get_module_test_tags(modules): """Get test tags from module names. Args: modules: List of module names to get test tags for. Returns: Set of test tags. """ tags = set(['test_' + m for m in modules]) return tags if __name__ == '__main__': main()