from fabric.api import *
from fabric.operations import *
from fabric.contrib.project import rsync_project
from fabric.contrib.files import exists

import sys, os

abspath = lambda filename: os.path.join(
    os.path.abspath(os.path.dirname(__file__)),
    filename
)

# --------------------------------------------
# LAMP stack cofiguration
# --------------------------------------------

class FabricException(Exception):
    pass

def dev():
    print "Connecting to remote machine"

    env.setup = True
    env.user = 'ubuntu'
    env.ubuntu_version = '16.04'
    env.warn_only = True
    #env.password = 'ubuntu'
    env.key_filename = abspath('keyfile.pem')
    env.hosts = [
        'A.B.C.D'
    ]

    env.server = 'localhost' #may be public IP also
    env.output_prefix = False
    env.graceful = False

    env.apache_config_path = '/etc/apache2/apache2.conf'
    env.apache_directory_path = '/etc/apache2/mods-enabled'
    env.apache_directory_config = abspath('dir.conf')
    env.php_file = ('info.php')


    env.rsync_exclude = [
       "*.py",
       "*.pyc"
    ]
    return


# --------------------------------------------
# Installing Dev Platform
# --------------------------------------------

def install():
    print 'Start installing LAMP stack in ubuntu 16.04'
    update()
    install_apache()
    install_mysql()
    install_php()
    test_php()
    print 'Finished installing LAMP'
    return

def update():
    print 'Start updating the system'
    sudo('apt-get update')

def install_apache():
    print 'Installing and configuring apache web server'
    sudo('apt-get install apache2 -y')
    sudo("apache2ctl configtest")
    sudo('echo "ServerName %s" >> %s' %(env.server, env.apache_config_path))
    sudo("apache2ctl configtest")

def install_mysql():
    print 'Installing and configuring mysql'
    sudo('apt-get install mysql-server -y')
    sudo('mysql_secure_installation')

def install_php():
    print 'Installing php '
    sudo('apt-get install php libapache2-mod-php php-mcrypt php-mysql -y')
    default_config = '/etc/apache2/mods-enabled/dir.conf'
    if exists(default_config):
        sudo('rm %s' %default_config)
        print 'Deleted apache default directory config'

    print 'Install new apache directory configuration'
    put('%s' % (env.apache_directory_config), '%s/' % (env.apache_directory_path), use_sudo=True)
    sudo('systemctl restart apache2')

def test_php():
    print 'Testing php application'
    sudo('mkdir -p /var/www/html/')
    put('%s' % (env.php_file), '/var/www/html/', use_sudo=True)
    sudo('curl %s/%s' %(env.server, env.php_file))