#!/usr/bin/python
# skvidal
# doteast: porting to ansible 2.0
# dump out the hosts marked with 'freezes: true' in their vars


import ansible.inventory
import sys
from optparse import OptionParser

from ansible.parsing.dataloader import DataLoader
from ansible.vars.manager import VariableManager
from ansible.inventory.manager import InventoryManager
from ansible import constants as C


parser = OptionParser(version="1.0")
parser.add_option('-i', dest='inventory', default=C.DEFAULT_HOST_LIST,
                  help="Path to inventory file/dir")
opts, args = parser.parse_args(sys.argv[1:])

loader = DataLoader()
inv = InventoryManager(loader=loader, sources=opts.inventory)
variable_manager = VariableManager(loader=loader, inventory=inv)

frozen = []
unfrozen = []
for host in sorted(inv.get_hosts(), key=lambda host: host.name):
    vars = variable_manager.get_vars(host=host)
    freezes = vars.get('freezes', None)

    if freezes:
        frozen.append(host.get_name())
    elif freezes is None:
        print('Error: missing freezes: %s' % host.get_name())
    else:
        unfrozen.append(host.get_name())

print('freeze:')
for host in sorted(frozen):
    print('F: ' + host)


print('do not freeze:')
for host in sorted(unfrozen):
    print('NF: ' + host)