JavaScript and IBM MQ

Basic JavaScript examples for interfacing with IBM MQ.

The <$> means you are local and <bash4-4$> you are inside IBM MQ Server Docker Container. This was tested on Ubuntu Linux 20.04 LTS.

Requirements:

• Docker: https://docs.docker.com/get-docker/
• NodeJS: https://nodejs.org/en/download/

Instructions:

1 - Install IBM MQ container and it's volume:

$ docker pull ibmcom/mq:latest
$ docker volume create qm1data

2 - Run the container:

$ ./run_container.sh

3 - Test if the container is working by opening the IBM MQ console: https://localhost:9443/

4 - Login: admin/passw0rd

5 - Disable IBM MQ user authentication (off course this is for testing purposes):

$ ./run_bash_container.sh

bash-4.4$ runmqsc QM1

ALTER QMGR CHLAUTH (DISABLED)

end

bash-4.4$ exit

6 - Install the mq-mqi-nodejs module:

$ npm install ibmmq

7 - Test connection:

$ node conn.js
Connection test started...
MQCONN to QM1 successful 
MQDISC successful

8 - Put a message in the queue:

$ node put.js
Trying to put a message...
MQCONN to QM1 successful 
MQOPEN of DEV.QUEUE.1 successful
MsgId: 414d5120514d31202020202020202020c73428600358ca22
MQPUT successful
MQCLOSE successful
MQDISC successful

9 - Get a message in the queue:

$ node get.js
Trying to get a message...
MQCONN to QM1 successful 
MQOPEN of DEV.QUEUE.1 successful
message len=77 <Hello from Node at Sat Feb 13 2021 17:24:35 GMT-0300 (Brasilia Standard Time)>
no more messages
MQCLOSE successful
MQDISC successful

References:

https://developer.ibm.com/components/ibm-mq/tutorials/mq-connect-app-queue-manager-containers/

https://github.com/ibm-messaging/mq-mqi-nodejs