#!/usr/bin/env python

# (c) 2012, Red Hat, Inc
# Seth Vidal <skvidal at fedoraproject.org>
#
#
########################################################

import sys
import getpass

import ansible.runner
import ansible.constants as C
from ansible import utils
from ansible import callbacks

########################################################

def main(args):

    # simple parser
    parser = utils.base_parser(constants=C, runas_opts=True, async_opts=False,
        output_opts=True, connect_opts=True, usage='ans-command [options]')
    parser.add_option('--host', dest='hostlist', action='append',
        help="hosts to contact, defaults to all in your inventory", default=[])
    options, args = parser.parse_args(args)
    options.module_name = 'yum' 
    options.module_args = 'list=updates'
        
                   
    # no hosts specified? Run against all of them
    if not options.hostlist:
        options.pattern = 'all'
    else:
        options.pattern = ';'.join(options.hostlist)
    
    # setup the cli call back so we can use the simple output handling
    # our callbacks for easy terminal formatting
    
    mycallback = callbacks.DefaultRunnerCallbacks()
    mycallback.options = options

    runner = ansible.runner.Runner(
        module_name=options.module_name, module_path=options.module_path,
        module_args=options.module_args,
        remote_user=options.remote_user, 
        host_list=options.inventory, timeout=options.timeout, 
        forks=options.forks, 
        pattern=options.pattern, 
        callbacks=mycallback, sudo=options.sudo, 
        transport=options.connection
    )
    
    needsupdate = []
    results = runner.run()
    for (host,d) in results['contacted'].items():
         answer = d.get('results', [])
         if answer:
             needsupdate.append('%s : %s' % (host, len(answer)))
                
         else:
             if d.get('failed', False):
                 err = d.get('stderr', '').strip()
                 if err:
                     print >> sys.stderr, 'Error: %s said %s' % (host, err)
                 msg = d.get('msg', '').strip()
                 if msg:
                     print >> sys.stderr, 'Error: %s said %s' % (host, msg)                 
             
    for host in results['dark']:
        print >> sys.stderr, 'Error: Could not reach: %s' % host
        
    for host in sorted(needsupdate):
        print host
        



if __name__ == '__main__':
    try:
        main(sys.argv)
    except Exception, e:
        # Generic handler for ansible specific errors
        print "ERROR: %s" % str(e)
        sys.exit(1)

