def _get_latest_source(source_folder):
""" Updates files on staging server with current git commit on dev branch. """
if env.exists(source_folder + '/.git'):
env.run('cd {source_folder} && git fetch'.format(source_folder=source_folder,))
else:
env.run('git clone {github_url} {source_folder}'.format(github_url=REPO_URL, source_folder=source_folder))
current_commit = local('git log -n 1 --format=%H', capture=True)
def _create_directory_structure_if_necessary(folders):
""" Ensure basic file structure in project. """
site_folder = folders['site']
if not env.exists(site_folder):
# base deployment folder
env.run('mkdir -p {site_folder}'.format(site_folder=site_folder,))
# set linux user group.
env.run('chown :{group} {site_folder}'.format(group=LINUXGROUP, site_folder=site_folder))
# set folder priveleges - 6*** means group and user sticky bits are set, and subfolders and files.
# will inherit parent folder's group and user.
# 770 means read, write and execute for folder is enabled for owner and group.
env.run('chmod 6770 {site_folder}'.format(site_folder=site_folder,))
# Make folders for static files, virtual environment and so on.
# -p flag means that folder is only created if it doesn't exist,
# and parent directories are also created if needed.
env.run('mkdir -p {folder_paths}'.format(folder_paths=' '.join(folders.values())))
def _create_virtualenv(venv_folder, global_venv_folder):
""" Create python virtual environment. """
if not env.exists(venv_folder + '/bin/pip'):
env.run('{python_venv_version} {venv_folder}'.format(python_venv_version=PYVENV, venv_folder=venv_folder,))
# link to global folder to enable virtualenvwrapper 'workon' command.
env.run('ln -fs {venv_folder} {venvs}'.format(venv_folder=venv_folder, venvs=global_venv_folder))