Source code for toxicbuild.slave.plugins

# -*- coding: utf-8 -*-

# Copyright 2015 2016 Juca Crispim <juca@poraodojuca.net>

# This file is part of toxicbuild.

# toxicbuild 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.

# toxicbuild 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 toxicbuild. If not, see <http://www.gnu.org/licenses/>.

import asyncio
import os
from toxicbuild.core.plugins import Plugin
from toxicbuild.slave.build import BuildStep


[docs]class SlavePlugin(Plugin): """This is a base slave plugin. Slave plugins may add steps to a build before and/or after the used defined steps. It may also set enivronment variables to be used in the tests.""" def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) # Your plugin must have an unique name name = 'BaseSlavePlugin'
[docs] def get_steps_before(self): """Returns a list of steps to be executed before the steps provided by the user.""" return []
[docs] def get_steps_after(self): """Returns a list of steps to be executed after the steps provided by the user.""" return []
[docs] def get_env_vars(self): """ Returns a dictionary containing values for environment variables.""" return {}
[docs]class PythonCreateVenvStep(BuildStep): """Step that checks if the venv already exists before executing the command.""" def __init__(self, venv_dir, pyversion): self.venv_dir = venv_dir self.pyversion = pyversion name = 'Create virtualenv' command = 'virtualenv {} -p {}'.format(self.venv_dir, self.pyversion) super().__init__(name, command, stop_on_fail=True) @asyncio.coroutine
[docs] def execute(self, cwd, **envvars): pyexec = os.path.join(self.venv_dir, os.path.join('bin', 'python')) if os.path.exists(os.path.join(cwd, pyexec)): step_info = {'status': 'success', 'output': 'venv exists. Skipping...'} else: step_info = yield from super().execute(cwd, **envvars) return step_info
[docs]class PythonVenvPlugin(SlavePlugin): name = 'python-venv' def __init__(self, pyversion, requirements_file='requirements.txt', remove_env=False): self.pyversion = pyversion self.requirements_file = requirements_file self.remove_env = remove_env self.venv_dir = 'venv-{}'.format(self.pyversion.replace(os.sep, ''))
[docs] def get_steps_before(self): create_env = PythonCreateVenvStep(self.venv_dir, self.pyversion) install_deps = BuildStep('install dependencies using pip', 'pip install -r {}'.format( self.requirements_file), stop_on_fail=True) return [create_env, install_deps]
[docs] def get_steps_after(self): steps = [] if self.remove_env: steps.append(BuildStep('remove venv', 'rm -rf {}'.format(self.venv_dir))) return steps
[docs] def get_env_vars(self): return {'PATH': '{}/bin:PATH'.format(self.venv_dir)}
[docs]class AptitudeInstallStep(BuildStep): def __init__(self, packages, timeout=600): packages = ' '.join(packages) cmd = ' '.join(['sudo aptitude install -y', packages]) name = 'Installing packages with aptitude' super().__init__(name, cmd, stop_on_fail=True, timeout=timeout)
[docs]class AptitudeInstallPlugin(SlavePlugin): """Installs packages using aptitude.""" name = 'aptitude-install' def __init__(self, packages, timeout=600): """Initializes the plugin. :param packages: A list of packages names to be installed.""" self.packages = packages
[docs] def get_steps_before(self): step = AptitudeInstallStep(self.packages) return [step]
[docs] def get_env_vars(self): return {'DEBIAN_FRONTEND': 'noninteractive'}