To fix : Environment (external_ip) not set yet when executing ipchange

client-connect

 #!/usr/bin/python -S
-import os, sys
+import os, time, sys
 
 # example of os.environ
 {'X509_0_C': 'FR',
@@ -38,7 +38,9 @@ import os, sys
  'verb': '3'}
 
 # Send to client his external ip address
-open(sys.argv[2], 'w').write('push "setenv external_ip %s"\n' % os.environ['trusted_ip'])
+if os.environ['script_type'] == 'client-connect':
+    with open(sys.argv[2], 'w') as f:
+        f.write('push "setenv external_ip %s"\n' % os.environ['trusted_ip'])
 
 # Write into pipe connect/disconnect events
 os.write(int(sys.argv[1]), '%(script_type)s %(common_name)s\n' % os.environ)

ipchange

 #!/usr/bin/python -S
-import os, sys
+import os, time, sys
 
 # Write into pipe external ip address received
-os.write(int(sys.argv[1]), '%(script_type)s %(external_ip)s\n' % os.environ)
+# Pb: executed before ( or at the same time ) as client-connect on server
+#  \===> external_ip not set when script is launched
+# os.write(int(sys.argv[1]), '%(script_type)s %(external_ip)s\n' % os.environ)
+