def client_connection(index, server, security_policies_uri, printable=False):
client = Client(server["address"])
try:
best_endpoint = best_endpoint_selection(client, server, security_policies_uri, printable)
client = Client(best_endpoint.EndpointUrl)
client.application_uri = "urn:freeopcua:client"
client.description = "OPCUA-Client-Kafka-Gateway"
client = client_auth(client, server)
policy = best_endpoint.SecurityPolicyUri.split('#')[1]
if policy != "None":
security_string = str(policy) + ',' + str(MessageSecurityMode(best_endpoint.SecurityMode).name) + ',client_certificate.pem' + ',client_key.pem'
client.set_security_string(security_string)
client.connect()
return client
except Exception as ex:
#print(f"\nEXCEPTION in client connection: {ex.__class__, ex.args}")
return
