fabfile.py 文件源码

def deploy_ref(deployment_name, ref):
    setup_env(deployment_name)
    with cd(env.kc_path):
        run("git fetch origin")
        # Make sure we're not moving to an older codebase
        git_output = run('git rev-list {}..HEAD --count 2>&1'.format(ref))
        if int(git_output) > 0:
            raise Exception("The server's HEAD is already in front of the "
                "commit to be deployed.")
        # We want to check out a specific commit, but this does leave the HEAD
        # detached. Perhaps consider using `git reset`.
        run('git checkout {}'.format(ref))
        # Report if the working directory is unclean.
        git_output = run('git status --porcelain')
        if len(git_output):
            run('git status')
            print('WARNING: The working directory is unclean. See above.')

        deploy_template(env)

        run('find . -name "*.pyc" -exec rm -rf {} \;')
        run('find . -type d -empty -delete')

    # numpy pip install from requirements file fails
    with kobo_workon(env.kc_virtualenv_name):
        run("pip install numpy")
        run("pip install --upgrade -r %s" % env.pip_requirements_file)

    formpack_path = os.path.join(env.home, 'formpack')
    formpack_branch = env.get('formpack_branch', False)
    run("[ -d {fp} ] || git clone https://github.com/kobotoolbox/formpack.git "
        "{fp}".format(fp=formpack_path))

    with cd(formpack_path):
        with kobo_workon(env.kc_virtualenv_name):
            if formpack_branch:
                run("git checkout {b} && git pull origin {b}"
                    .format(b=formpack_branch))
            run("python setup.py develop")

    with cd(os.path.join(env.kc_path, "onadata", "static")):
        run("date > LAST_UPDATE.txt")

    with cd(env.kc_path):
        with kobo_workon(env.kc_virtualenv_name):
            run("python manage.py syncdb")
            run("python manage.py migrate")
            run("python manage.py collectstatic --noinput")

    run("sudo restart kc_celeryd")
    run("sudo restart uwsgi")