Quick fix for xmlsec initialize issue (copy into /etc/tower/conf.d/). Related to https://github.com/onelogin/python-saml/pull/149

xmlsec_fix.py

import threading
xmlsec_init_lock = threading.Lock()
xmlsec_initialized = False

import dm.xmlsec.binding
original_xmlsec_initialize = dm.xmlsec.binding.initialize

def xmlsec_initialize(*args, **kwargs):
    global xmlsec_init_lock, xmlsec_initialized, original_xmlsec_initialize
    with xmlsec_init_lock:
        if not xmlsec_initialized:
            original_xmlsec_initialize(*args, **kwargs)
            xmlsec_initialized = True

dm.xmlsec.binding.initialize = xmlsec_initialize