Add IPv6 support to module_utils.urls TLS validation (#26852)

socket.create_connection is a higher-level function, which tries to
establish a socket connection using both AF_INET and AF_INET6. It got
introduced in Python 2.6, which ought to be fine with Ansible 2.4.

Fixes #26740

lib/ansible/module_utils/urls.py

@@ -720,11 +720,10 @@ class SSLValidationHandler(urllib_request.BaseHandler):
             return req
 
         try:
-            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
             if https_proxy:
                 proxy_parts = generic_urlparse(urlparse(https_proxy))
                 port = proxy_parts.get('port') or 443
-                s.connect((proxy_parts.get('hostname'), port))
+                s = socket.create_connection((proxy_parts.get('hostname'), port))
                 if proxy_parts.get('scheme') == 'http':
                     s.sendall(self.CONNECT_COMMAND % (self.hostname, self.port))
                     if proxy_parts.get('username'):
@@ -748,7 +747,7 @@ class SSLValidationHandler(urllib_request.BaseHandler):
                 else:
                     raise ProxyError('Unsupported proxy scheme: %s. Currently ansible only supports HTTP proxies.' % proxy_parts.get('scheme'))
             else:
-                s.connect((self.hostname, self.port))
+                s = socket.create_connection((self.hostname, self.port))
                 if context:
                     ssl_s = context.wrap_socket(s, server_hostname=self.hostname)
                 elif HAS_URLLIB3_SSL_WRAP_SOCKET: