from manifest import Manifest
import logging
from tasks import packages
from tasks import connection
from tasks import host
from tasks import ami
from tasks import ebs
from tasks import filesystem
from tasks import bootstrap
from tasks import locale
from tasks import apt
from tasks import boot
from tasks import security
from tasks import network
from tasks import initd
from tasks import cleanup
from tasks import fake
from tasks import one


def initialize():
	# Regardless of of loglevel, we don't want boto debug stuff, it's very noisy
	logging.getLogger('boto').setLevel(logging.INFO)


def tasks(tasklist, manifest):
	tasklist.add(packages.HostPackages(),
	             packages.ImagePackages(),
	             host.CheckPackages(),
	             host.GetInfo())
	tasklist.add(filesystem.FormatVolume())
	if manifest.volume['filesystem'].lower() == 'xfs':
		tasklist.add(filesystem.AddXFSProgs())
	if manifest.volume['filesystem'].lower() in ['ext2', 'ext3', 'ext4']:
		tasklist.add(filesystem.TuneVolumeFS())
	tasklist.add(filesystem.CreateMountDir(),
	             filesystem.MountVolume())
        #tasklist.add(filesystem.InstallMbr())
	if manifest.bootstrapper['tarball']:
		tasklist.add(bootstrap.MakeTarball())
	tasklist.add(bootstrap.Bootstrap(),
	             filesystem.MountSpecials(),
	             locale.GenerateLocale(),
	             locale.SetTimezone(),
	             apt.DisableDaemonAutostart(),
	             apt.AptSources(),
		     #No network for the moment, skip
	             #apt.AptUpgrade(),
	             boot.ConfigureGrub(),
	             filesystem.ModifyFstab(),
	             boot.BlackListModules(),
	             boot.DisableGetTTYs(),
	             security.EnableShadowConfig(),
		     security.SetRootPassword(),
                     # Disable for the time of debugging
	             #security.DisableSSHPasswordAuthentication(),
	             security.DisableSSHDNSLookup(),
	             network.RemoveDNSInfo(),
	             network.ConfigureNetworkIF(),
	             network.ConfigureDHCP(),
	             initd.ResolveInitScripts(),
	             initd.InstallInitScripts(),
		     one.OpenNebulaContext(),
	             cleanup.ClearMOTD(),
	             cleanup.ShredHostkeys(),
	             cleanup.CleanTMP(),
	             apt.PurgeUnusedPackages(),
	             apt.AptClean(),
	             apt.EnableDaemonAutostart(),
	             filesystem.UnmountSpecials(),
	             filesystem.UnmountVolume(),
	             filesystem.DeleteMountDir())


def rollback_tasks(tasklist, tasks_completed, manifest):
	completed = [type(task) for task in tasks_completed]

	def counter_task(task, counter):
		if task in completed and counter not in completed:
			tasklist.add(counter())

	counter_task(filesystem.CreateMountDir, filesystem.DeleteMountDir)
	counter_task(filesystem.MountVolume, filesystem.UnmountVolume)
	counter_task(filesystem.MountSpecials, filesystem.UnmountSpecials)