#!/bin/bash rm -f ./SRVOK ./PLCOK yes "" | openssl req -x509 -newkey rsa:2048 -keyout my_private_key.pem -out my_cert.pem \ -days 355 -nodes -addext "subjectAltName = URI:urn:example.org:FreeOpcUa:python-opcua" openssl x509 -outform der -in my_cert.pem -out my_cert.der # Run server $BEREMIZPYTHONPATH - > >( echo "Start SRV loop" while read line; do # Wait for server to print modified value echo "SRV>> $line" if [[ "$line" == 3.4 ]]; then echo "PLC could write value" touch ./SRVOK fi done echo "End SRV loop" ) << EOF & import sys import os import time from opcua import ua, Server server = Server() host = os.environ.get("OPCUA_DEFAULT_HOST", "127.0.0.1") endpoint = "opc.tcp://"+host+":4840/freeopcua/server/" server.set_endpoint(endpoint) server.set_security_policy([ua.SecurityPolicyType.Basic256Sha256_SignAndEncrypt]) server.load_certificate("my_cert.der") server.load_private_key("my_private_key.pem") uri = "http://beremiz.github.io" idx = server.register_namespace(uri) objects = server.get_objects_node() testobj = objects.add_object(idx, "TestObject") testvarout = testobj.add_variable(idx, "TestOut", 1.2) testvar = testobj.add_variable(idx, "TestIn", 5.6) testvar.set_writable() server.start() try: while True: time.sleep(1) print testvar.get_value() sys.stdout.flush() finally: server.stop() EOF SERVER_PID=$! PROJECT_FILES_DIR=$BEREMIZPATH/tests/projects/opcua_client_encrypted/project_files mkdir $PROJECT_FILES_DIR cp my_cert.der my_private_key.pem $PROJECT_FILES_DIR # Start PLC with opcua test setsid $BEREMIZPYTHONPATH $BEREMIZPATH/Beremiz_cli.py -k \ --project-home $BEREMIZPATH/tests/projects/opcua_client_encrypted build transfer run > >( echo "Start PLC loop" while read line; do # Wait for PLC runtime to output expected value on stdout echo "PLC>> $line" if [[ "$line" == 1.2 ]]; then echo "PLC could read value" touch ./PLCOK fi done echo "End PLC loop" ) & PLC_PID=$! echo all subprocess started, start polling results res=110 # default to ETIMEDOUT c=45 while ((c--)); do if [[ -a ./SRVOK && -a ./PLCOK ]]; then echo got results. res=0 # OK success break else echo waiting.... $c sleep 1 fi done # Kill PLC and subprocess echo will kill PLC:$PLC_PID and SERVER:$SERVER_PID pkill -s $PLC_PID kill $SERVER_PID exit $res