Python fabric.api 模块，shell_env() 实例源码

def deploy(target='dev', sha1=None):
    if sha1 is None:
        # get current working git sha1
        sha1 = local('git rev-parse HEAD', capture=True)
    # server code reset to current working sha1
    home_dir = '/home/pyconkr/{target}.pycon.kr/pyconkr-2016'.format(target=target)

    if target == 'dev':
        python_env = '/home/pyconkr/.pyenv/versions/pyconkr-2016-dev'
    else:
        python_env = '/home/pyconkr/.pyenv/versions/pyconkr-2016'

    with settings(cd(home_dir), shell_env(DJANGO_SETTINGS_MODULE='pyconkr.settings_prod')):
        sudo('git fetch --all -p', user='pyconkr')
        sudo('git reset --hard ' + sha1, user='pyconkr')
        sudo('bower install', user='pyconkr')
        sudo('%s/bin/pip install -r requirements.txt' % python_env, user='pyconkr')
        sudo('%s/bin/python manage.py compilemessages' % python_env, user='pyconkr')
        sudo('%s/bin/python manage.py migrate' % python_env, user='pyconkr')
        sudo('%s/bin/python manage.py collectstatic --noinput' % python_env, user='pyconkr')
        # worker reload
        run('echo r > /var/run/pyconkr-2016-%s.fifo' % target)

def flatpages_mig(direction='www'):
    dev_env = '/home/pyconkr/.pyenv/versions/pyconkr-2016-dev/bin/python'
    www_env = '/home/pyconkr/.pyenv/versions/pyconkr-2016/bin/python'
    from_env, to_env = (dev_env, www_env) if direction=='www' else (www_env, dev_env)
    dev_dir = '/home/pyconkr/dev.pycon.kr/pyconkr-2016'
    www_dir = '/home/pyconkr/www.pycon.kr/pyconkr-2016'
    from_dir, to_dir = (dev_dir, www_dir) if direction=='www' else (www_dir, dev_dir)
    with settings(cd(from_dir),
            shell_env(DJANGO_SETTINGS_MODULE='pyconkr.settings_prod')
            ):
        sudo('{python} manage.py dumpdata --indent 2 flatpages -o {fixture_to}'.format(
            fixture_to=os.path.join(to_dir, 'pyconkr', 'fixtures', 'flatpages.json'),
            python=from_env))
    with settings(cd(to_dir),
            shell_env(DJANGO_SETTINGS_MODULE='pyconkr.settings_prod')
            ):
        sudo('{python} manage.py loaddata flatpages'.format(
             python=to_env))

def create_db():
    with settings(warn_only=True), hide('output', 'running'):
        if env.get('settings'):
            execute('servers.stop_service', 'uwsgi')

        with shell_env(**app_config.database):
            local('dropdb --if-exists %s' % app_config.database['PGDATABASE'])

        if not env.get('settings'):
            local('psql -c "DROP USER IF EXISTS %s;"' % app_config.database['PGUSER'])
            local('psql -c "CREATE USER %s WITH SUPERUSER PASSWORD \'%s\';"' % (app_config.database['PGUSER'], app_config.database['PGPASSWORD']))

        with shell_env(**app_config.database):
            local('createdb %s' % app_config.database['PGDATABASE'])

        if env.get('settings'):
            execute('servers.start_service', 'uwsgi')

def deploy(target='dev', sha1=None):
    if sha1 is None:
        # get current working git sha1
        sha1 = local('git rev-parse HEAD', capture=True)
    # server code reset to current working sha1
    home_dir = '/home/pyconkr/{target}.pycon.kr/pyconkr-2017'.format(target=target)

    if target == 'dev':
        python_env = '/home/pyconkr/.pyenv/versions/pyconkr-2017-dev'
    else:
        python_env = '/home/pyconkr/.pyenv/versions/pyconkr-2017'

    with settings(cd(home_dir), shell_env(DJANGO_SETTINGS_MODULE='pyconkr.settings_prod')):
        run('git fetch --all -p')
        run('git reset --hard ' + sha1)
        run('bower install')
        run('%s/bin/pip install -r requirements.txt' % python_env)
        run('%s/bin/python manage.py compilemessages' % python_env)
        run('%s/bin/python manage.py migrate' % python_env)
        run('%s/bin/python manage.py collectstatic --noinput' % python_env)
        # worker reload
        run('echo r > /var/run/pyconkr-2017-%s.fifo' % target)

def run_setup_script(script_name, context):
    venv_activate_path = os.path.join(VENV_BIN_DIRECTORY, 'activate')
    venv_activate_command = 'source %s' % venv_activate_path
    with cd(PROJECT_FOLDER), shell_env(**context), prefix(venv_activate_command):
        run('python3 %s' % os.path.join(PROJECT_FOLDER, script_name))

def create_db():
    with settings(warn_only=True), hide('output', 'running'):
        if env.get('settings'):
            execute('servers.stop_service', 'uwsgi')

        with shell_env(**app_config.database):
            local('dropdb --if-exists %s' % app_config.database['PGDATABASE'])

        if not env.get('settings'):
            local('psql -c "DROP USER IF EXISTS %s;"' % app_config.database['PGUSER'])
            local('psql -c "CREATE USER %s WITH SUPERUSER PASSWORD \'%s\';"' % (app_config.database['PGUSER'], app_config.database['PGPASSWORD']))

        with shell_env(**app_config.database):
            local('createdb %s' % app_config.database['PGDATABASE'])

        if env.get('settings'):
            execute('servers.start_service', 'uwsgi')

def _venv_local():
    with shell_env(DJANGO_SETTINGS_MODULE=SETTINGS_MODULE):
        with prefix('. %s/bin/activate' % VENV_PATH):
            yield

def env_set():
    with path('/opt/'):
        run('echo $PATH')
    run('echo $PATH')
    #fixme ALL para you can use http://docs.fabfile.org/en/1.13/usage/env.html
    with settings(warn_only=True):
        run('echo $USER')
    with prefix('free'):
        with shell_env(JAVA_HOME='/opt/java'):
            run('echo $JAVA_HOME')

def setup_environment():
    """Setup users, groups, supervisor, etc."""
    # FIXME: When `fabtools v0.21.0` gets released, remove this...
    with shell_env(SYSTEMD_PAGER=''):
        require.users.user(
            name=env.app_user,
            group=env.app_user,
            system=True,
            shell='/bin/bash',
        )

        for path in (env.app_path, env.etc_path):
            require.directory(
                path=path,
                owner=env.app_user,
                group=env.app_user,
                use_sudo=True,
            )

        require.python.virtualenv(
            directory=env.venv_path,
            venv_python='python3',
            user=env.app_user,
            use_sudo=True,
        )

        require.supervisor.process(
            name=env.app_name,
            command='{} stream --verbose'.format(env.hadroid_botctl),
            user=env.app_user,
            directory=env.app_path,
            stdout_logfile='/var/log/hadroid.log',
            stderr_logfile='/var/log/hadroid-err.log',
            environment='HADROID_CONFIG={}'.format(env.hadroid_config),
        )


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# Deploy
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