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How to use _env_vars_exposed method in molecule

Best Python code snippet using molecule_python
conftest.py
Source:conftest.py
...28from molecule import util29from ..conftest import change_dir_to30LOG = logger.get_logger(__name__)31IS_TRAVIS = os.getenv('TRAVIS') and os.getenv('CI')32def _env_vars_exposed(env_vars, env=os.environ):33    """Check if environment variables are exposed."""34    return all(var in env for var in env_vars)35@pytest.fixture36def with_scenario(request, scenario_to_test, driver_name, scenario_name,37                  skip_test):38    scenario_directory = os.path.join(39        os.path.dirname(util.abs_path(__file__)), os.path.pardir, 'scenarios',40        scenario_to_test)41    with change_dir_to(scenario_directory):42        yield43        if scenario_name:44            msg = 'CLEANUP: Destroying instances for all scenario(s)'45            LOG.out(msg)46            options = {47                'driver_name': driver_name,48                'all': True,49            }50            cmd = sh.molecule.bake('destroy', **options)51            pytest.helpers.run_command(cmd)52@pytest.fixture53def skip_test(request, driver_name):54    msg_tmpl = ("Ignoring '{}' tests for now" if driver_name == 'delegated'55                else "Skipped '{}' not supported")56    support_checks_map = {57        'azure': supports_azure,58        'digitalocean': supports_digitalocean,59        'docker': supports_docker,60        'ec2': supports_ec2,61        'gce': supports_gce,62        'linode': supports_linode,63        'lxc': supports_lxc,64        'lxd': supports_lxd,65        'openstack': supports_openstack,66        'vagrant': supports_vagrant_virtualbox,67        'delegated': demands_delegated,68    }69    try:70        check_func = support_checks_map[driver_name]71        if not check_func():72            pytest.skip(msg_tmpl.format(driver_name))73    except KeyError:74        pass75@pytest.helpers.register76def idempotence(scenario_name):77    options = {78        'scenario_name': scenario_name,79    }80    cmd = sh.molecule.bake('create', **options)81    pytest.helpers.run_command(cmd)82    options = {83        'scenario_name': scenario_name,84    }85    cmd = sh.molecule.bake('converge', **options)86    pytest.helpers.run_command(cmd)87    options = {88        'scenario_name': scenario_name,89    }90    cmd = sh.molecule.bake('idempotence', **options)91    pytest.helpers.run_command(cmd)92@pytest.helpers.register93def init_role(temp_dir, driver_name):94    role_directory = os.path.join(temp_dir.strpath, 'test-init')95    cmd = sh.molecule.bake('init', 'role', {96        'driver-name': driver_name,97        'role-name': 'test-init'98    })99    pytest.helpers.run_command(cmd)100    pytest.helpers.metadata_lint_update(role_directory)101    with change_dir_to(role_directory):102        options = {103            'all': True,104        }105        cmd = sh.molecule.bake('test', **options)106        pytest.helpers.run_command(cmd)107@pytest.helpers.register108def init_scenario(temp_dir, driver_name):109    # Create role110    role_directory = os.path.join(temp_dir.strpath, 'test-init')111    cmd = sh.molecule.bake('init', 'role', {112        'driver-name': driver_name,113        'role-name': 'test-init'114    })115    pytest.helpers.run_command(cmd)116    pytest.helpers.metadata_lint_update(role_directory)117    with change_dir_to(role_directory):118        # Create scenario119        molecule_directory = pytest.helpers.molecule_directory()120        scenario_directory = os.path.join(molecule_directory, 'test-scenario')121        options = {122            'scenario_name': 'test-scenario',123            'role_name': 'test-init',124        }125        cmd = sh.molecule.bake('init', 'scenario', **options)126        pytest.helpers.run_command(cmd)127        assert os.path.isdir(scenario_directory)128        options = {129            'scenario_name': 'test-scenario',130            'all': True,131        }132        cmd = sh.molecule.bake('test', **options)133        pytest.helpers.run_command(cmd)134@pytest.helpers.register135def metadata_lint_update(role_directory):136    # By default, ansible-lint will fail on newly-created roles because the137    # fields in this file have not been changed from their defaults. This is138    # good because molecule should create this file using the defaults, and139    # users should receive feedback to change these defaults. However, this140    # blocks the testing of 'molecule init' itself, so ansible-lint should141    # be configured to ignore these metadata lint errors.142    ansible_lint_src = os.path.join(143        os.path.dirname(util.abs_path(__file__)), '.ansible-lint')144    shutil.copy(ansible_lint_src, role_directory)145    # Explicitly lint here to catch any unexpected lint errors before146    # continuining functional testing. Ansible lint is run at the root147    # of the role directory and pointed at the role directory to ensure148    # the customize ansible-lint config is used.149    with change_dir_to(role_directory):150        cmd = sh.ansible_lint.bake('.')151    pytest.helpers.run_command(cmd)152@pytest.helpers.register153def list(x):154    cmd = sh.molecule.bake('list')155    out = pytest.helpers.run_command(cmd, log=False)156    out = out.stdout.decode('utf-8')157    out = util.strip_ansi_color(out)158    for l in x.splitlines():159        assert l in out160@pytest.helpers.register161def list_with_format_plain(x):162    cmd = sh.molecule.bake('list', {'format': 'plain'})163    out = pytest.helpers.run_command(cmd, log=False)164    out = out.stdout.decode('utf-8')165    out = util.strip_ansi_color(out)166    for l in x.splitlines():167        assert l in out168@pytest.helpers.register169def login(login_args, scenario_name='default'):170    options = {171        'scenario_name': scenario_name,172    }173    cmd = sh.molecule.bake('destroy', **options)174    pytest.helpers.run_command(cmd)175    options = {176        'scenario_name': scenario_name,177    }178    cmd = sh.molecule.bake('create', **options)179    pytest.helpers.run_command(cmd)180    for instance, regexp in login_args:181        if len(login_args) > 1:182            child_cmd = 'molecule login --host {} --scenario-name {}'.format(183                instance, scenario_name)184        else:185            child_cmd = 'molecule login --scenario-name {}'.format(186                scenario_name)187        child = pexpect.spawn(child_cmd)188        child.expect(regexp)189        # If the test returns and doesn't hang it succeeded.190        child.sendline('exit')191@pytest.helpers.register192def test(driver_name, scenario_name='default'):193    options = {194        'scenario_name': scenario_name,195        'all': scenario_name is None,196    }197    if driver_name == 'delegated':198        options = {199            'scenario_name': scenario_name,200        }201    cmd = sh.molecule.bake('test', **options)202    pytest.helpers.run_command(cmd)203@pytest.helpers.register204def verify(scenario_name='default'):205    options = {206        'scenario_name': scenario_name,207    }208    cmd = sh.molecule.bake('create', **options)209    pytest.helpers.run_command(cmd)210    options = {211        'scenario_name': scenario_name,212    }213    cmd = sh.molecule.bake('converge', **options)214    pytest.helpers.run_command(cmd)215    options = {216        'scenario_name': scenario_name,217    }218    cmd = sh.molecule.bake('verify', **options)219    pytest.helpers.run_command(cmd)220def get_docker_executable():221    return distutils.spawn.find_executable('docker')222def get_lxc_executable():223    return distutils.spawn.find_executable('lxc-start')224def get_lxd_executable():225    return distutils.spawn.find_executable('lxd')226def get_vagrant_executable():227    return distutils.spawn.find_executable('vagrant')228def get_virtualbox_executable():229    return distutils.spawn.find_executable('VBoxManage')230@pytest.helpers.register231def supports_docker():232    return get_docker_executable()233@pytest.helpers.register234def supports_linode():235    from ansible.modules.cloud.linode.linode import HAS_LINODE236    env_vars = ('LINODE_API_KEY', )237    return _env_vars_exposed(env_vars) and HAS_LINODE238@pytest.helpers.register239def supports_lxc():240    # noqa: E501 # FIXME: Travis CI241    # noqa: E501 # This fixes most of the errors:242    # noqa: E501 # $ mkdir -p ~/.config/lxc243    # noqa: E501 # $ echo "lxc.id_map = u 0 100000 65536" > ~/.config/lxc/default.conf244    # noqa: E501 # $ echo "lxc.id_map = g 0 100000 65536" >> ~/.config/lxc/default.conf245    # noqa: E501 # $ echo "lxc.network.type = veth" >> ~/.config/lxc/default.conf246    # noqa: E501 # $ echo "lxc.network.link = lxcbr0" >> ~/.config/lxc/default.conf247    # noqa: E501 # $ echo "$USER veth lxcbr0 2" | sudo tee -a /etc/lxc/lxc-usernet248    # noqa: E501 # travis veth lxcbr0 2249    # noqa: E501 # But there's still one left:250    # noqa: E501 # $ cat ~/lxc-instance.log251    # noqa: E501 # lxc-create 1542112494.884 INFO     lxc_utils - utils.c:get_rundir:229 - XDG_RUNTIME_DIR isn't set in the environment.252    # noqa: E501 # lxc-create 1542112494.884 WARN     lxc_log - log.c:lxc_log_init:331 - lxc_log_init called with log already initialized253    # noqa: E501 # lxc-create 1542112494.884 INFO     lxc_confile - confile.c:config_idmap:1385 - read uid map: type u nsid 0 hostid 100000 range 65536254    # noqa: E501 # lxc-create 1542112494.884 INFO     lxc_confile - confile.c:config_idmap:1385 - read uid map: type g nsid 0 hostid 100000 range 65536255    # noqa: E501 # lxc-create 1542112494.887 ERROR    lxc_container - lxccontainer.c:do_create_container_dir:767 - Failed to chown container dir256    # noqa: E501 # lxc-create 1542112494.887 ERROR    lxc_create_ui - lxc_create.c:main:274 - Error creating container instance257    return not IS_TRAVIS and get_lxc_executable()258@pytest.helpers.register259def supports_lxd():260    # FIXME: Travis CI261    return not IS_TRAVIS and get_lxd_executable()262@pytest.helpers.register263def supports_vagrant_virtualbox():264    return (get_vagrant_executable() or get_virtualbox_executable())265@pytest.helpers.register266def demands_delegated():267    return pytest.config.getoption('--delegated')268@pytest.helpers.register269def supports_azure():270    from ansible.module_utils.azure_rm_common import HAS_AZURE271    env_vars = (272        'AZURE_SUBSCRIPTION_ID',273        'AZURE_CLIENT_ID',274        'AZURE_SECRET',275        'AZURE_TENANT',276    )277    return _env_vars_exposed(env_vars) and HAS_AZURE278@pytest.helpers.register279def supports_digitalocean():280    from ansible.modules.cloud.digital_ocean.digital_ocean import HAS_DOPY281    env_vars = ('DO_API_KEY', )282    return _env_vars_exposed(env_vars) and HAS_DOPY283@pytest.helpers.register284def supports_ec2():285    from ansible.module_utils.ec2 import HAS_BOTO3286    env_vars = (287        'AWS_ACCESS_KEY',288        'AWS_SECRET_ACCESS_KEY',289    )290    return _env_vars_exposed(env_vars) and HAS_BOTO3291@pytest.helpers.register292def supports_gce():293    from ansible.module_utils.gcp import HAS_GOOGLE_AUTH294    env_vars = (295        'GCE_SERVICE_ACCOUNT_EMAIL',296        'GCE_CREDENTIALS_FILE',297        'GCE_PROJECT_ID',298    )299    return _env_vars_exposed(env_vars) and HAS_GOOGLE_AUTH300@pytest.helpers.register301def supports_openstack():302    pytest.importorskip('shade')  # Ansible provides no import303    env_vars = (304        'OS_AUTH_URL',305        'OS_PASSWORD',306        'OS_REGION_NAME',307        'OS_USERNAME',308        'OS_TENANT_NAME',309    )310    return _env_vars_exposed(env_vars)311@pytest.helpers.register312def has_inspec():313    return distutils.spawn.find_executable('inspec')314@pytest.helpers.register315def has_rubocop():316    return distutils.spawn.find_executable('rubocop')317needs_inspec = pytest.mark.skipif(318    not has_inspec(),319    reason='Needs inspec to be pre-installed and available in $PATH')320needs_rubocop = pytest.mark.skipif(321    not has_rubocop(),...
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