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init.py
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init.py
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# Copyright (c) 2015-2017 Cisco Systems, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
import os
import click
import cookiecutter
import cookiecutter.main
from molecule import config
from molecule import logger
from molecule import util
LOG = logger.get_logger(__name__)
def _process_templates(template_dir, extra_context, output_dir,
overwrite=True):
"""
Process templates as found in the named directory.
:param template_dir: A string containing an absolute or relative path to a
directory where the templates are located. If the provided directory is a
relative path, it is resolved using a known location.
:param extra_context: A dict of values that are used to override default
or user specified values.
:param output_dir: An string with an absolute path to a directory where the
templates should be written to.
:param overwrite: An optional bool whether or not to overwrite existing
templates.
:return: None
"""
template_dir = _resolve_template_dir(template_dir)
cookiecutter.main.cookiecutter(
template_dir,
extra_context=extra_context,
output_dir=output_dir,
overwrite_if_exists=overwrite,
no_input=True, )
def _resolve_template_dir(template_dir):
if not os.path.isabs(template_dir):
template_dir = os.path.join(
os.path.dirname(__file__), os.path.pardir, 'cookiecutter',
template_dir)
return template_dir
def _init_new_role(command_args):
"""
>>> molecule init role --role-name foo
"""
role_name = command_args['role_name']
role_directory = os.getcwd()
LOG.info('Initializing new role {}...'.format(role_name))
if os.path.isdir(role_name):
msg = ('The directory {} exists. '
'Cannot create new role.').format(role_name)
util.sysexit_with_message(msg)
_process_templates('role', command_args, role_directory)
scenario_base_directory = os.path.join(role_directory, role_name)
templates = [
'scenario/driver/{driver_name}'.format(**command_args),
'scenario/verifier/{verifier_name}'.format(**command_args)
]
for template in templates:
_process_templates(template, command_args, scenario_base_directory)
role_directory = os.path.join(role_directory, role_name)
msg = 'Initialized role in {} successfully.'.format(role_directory)
LOG.success(msg)
def _init_new_scenario(command_args):
"""
>>> molecule init scenario --scenario-name default --role-name foo
"""
scenario_name = command_args['scenario_name']
role_name = os.getcwd().split(os.sep)[-1]
role_directory = os.path.abspath(os.path.join(os.getcwd(), os.pardir))
LOG.info('Initializing new scenario {}...'.format(scenario_name))
molecule_directory = config.molecule_directory(
os.path.join(role_directory, role_name))
scenario_directory = os.path.join(molecule_directory, scenario_name)
scenario_base_directory = os.path.dirname(scenario_directory)
if os.path.isdir(scenario_directory):
msg = ('The directory molecule/{} exists. '
'Cannot create new scenario.').format(scenario_name)
util.sysexit_with_message(msg)
scenario_base_directory = os.path.join(role_directory, role_name)
templates = [
'scenario/driver/{driver_name}'.format(**command_args),
'scenario/verifier/{verifier_name}'.format(**command_args)
]
for template in templates:
_process_templates(template, command_args, scenario_base_directory)
role_directory = os.path.join(role_directory, role_name)
msg = 'Initialized scenario in {} successfully.'.format(scenario_directory)
LOG.success(msg)
@click.group()
def init():
""" Initialize a new role or scenario. """
@init.command()
@click.option(
'--dependency-name',
type=click.Choice(['galaxy']),
default='galaxy',
help='Name of dependency to initialize. (galaxy)')
@click.option(
'--driver-name',
type=click.Choice(config.molecule_drivers()),
default='docker',
help='Name of driver to initialize. (docker)')
@click.option(
'--lint-name',
type=click.Choice(['ansible-lint']),
default='ansible-lint',
help='Name of lint to initialize. (ansible-lint)')
@click.option(
'--provisioner-name',
type=click.Choice(['ansible']),
default='ansible',
help='Name of provisioner to initialize. (ansible)')
@click.option('--role-name', required=True, help='Name of the role to create.')
@click.option(
'--verifier-name',
type=click.Choice(config.molecule_verifiers()),
default='testinfra',
help='Name of verifier to initialize. (testinfra)')
def role(dependency_name, driver_name, lint_name, provisioner_name, role_name,
verifier_name): # pragma: no cover
""" Initialize a new role for use with Molecule. """
command_args = {
'dependency_name': dependency_name,
'driver_name': driver_name,
'lint_name': lint_name,
'provisioner_name': provisioner_name,
'role_name': role_name,
'scenario_name': 'default',
'subcommand': __name__,
'verifier_name': verifier_name,
}
_init_new_role(command_args)
@init.command()
@click.option(
'--dependency-name',
type=click.Choice(['galaxy']),
default='galaxy',
help='Name of dependency to initialize. (galaxy)')
@click.option(
'--driver-name',
type=click.Choice(config.molecule_drivers()),
default='docker',
help='Name of driver to initialize. (docker)')
@click.option(
'--lint-name',
type=click.Choice(['ansible-lint']),
default='ansible-lint',
help='Name of lint to initialize. (ansible-lint)')
@click.option(
'--provisioner-name',
type=click.Choice(['ansible']),
default='ansible',
help='Name of provisioner to initialize. (ansible)')
@click.option('--role-name', required=True, help='Name of the role to create.')
@click.option(
'--scenario-name', required=True, help='Name of the scenario to create.')
@click.option(
'--verifier-name',
type=click.Choice(config.molecule_verifiers()),
default='testinfra',
help='Name of verifier to initialize. (testinfra)')
def scenario(dependency_name, driver_name, lint_name, provisioner_name,
role_name, scenario_name, verifier_name): # pragma: no cover
""" Initialize a new scenario for use with Molecule. """
command_args = {
'dependency_name': dependency_name,
'driver_name': driver_name,
'lint_name': lint_name,
'provisioner_name': provisioner_name,
'role_name': role_name,
'scenario_name': scenario_name,
'subcommand': __name__,
'verifier_name': verifier_name,
}
_init_new_scenario(command_args)