fabfile.py 文件源码

def install_mysql():
    with settings(hide('warnings', 'stderr'), warn_only=True):
        result = sudo('dpkg-query --show mysql-server')
    if result.failed is False:
        warn('MySQL is already installed')
        return
    mysql_password = prompt('Please enter MySQL root password:')
    sudo('echo "mysql-server-5.5 mysql-server/root_password password ' \
                              '%s" | debconf-set-selections' % mysql_password)
    sudo('echo "mysql-server-5.5 mysql-server/root_password_again password ' \
                              '%s" | debconf-set-selections' % mysql_password)
    apt_get_install('mysql-server')