egi_vo_cards_vomses.py

#!/usr/bin/env python2

"""
Use VO card XML feed to generate vomses data
"""

from urllib2 import urlopen
from lxml import etree

URL = 'http://operations-portal.egi.eu/xml/voIDCard/public/all/true'

data = urlopen(URL)
tree = etree.parse(data)

results = {}

# Collect data
for card in tree.iterfind('/IDCard'):
    vo_name = card.get('Name')
    results[vo_name] = {
        'servers' : {},
    }
    voms_servers = card.findall('./gLiteConf/VOMSServers/VOMS_Server')
    for server in voms_servers:
        server_name = server.find('./hostname').text
        dn = server.find('./X509Cert/DN')
        ca_dn = server.find('./X509Cert/CA_DN')
        if dn is not None:
            results[vo_name]['servers'][server_name] = {
                'MembersListUrl' : server.get('MembersListUrl'),
                'VomsesPort' : server.get('VomsesPort'),
                'DN' : dn.text,
                'CA_DN' : ca_dn.text,
            }

# Render vomses
for vo_name, vo_info in results.iteritems():
    for server_name, server_info in vo_info['servers'].iteritems():
        print '# /etc/vomses/%s-%s' % (vo_name, server_name)
        print '"%s" "%s" "%s" "%s" "%s"' % (
            vo_name,
            server_name,
            server_info['VomsesPort'],
            server_info['DN'],
            vo_name,
        )
        print

# Render lsc
for vo_name, vo_info in results.iteritems():
    for server_name, server_info in vo_info['servers'].iteritems():
        print '# /etc/grid-security/vomsdir/%s/%s.lsc' % (vo_name, server_name)
        print server_info['DN']
        print server_info['CA_DN']
        print