How to specify siddhi-io-cdc extension version

[Vinoja]

Hi,

I am using  docker run command to run a Siddhi CDC app. I need to use siddhi-io-cdc extension 2.0.12 version. Can I know how to specify this version to run this app in a docker environment?

Thank you

[Vinoja]

Following is the siddhi cdc app I am running

@App:name('post')

@source(type = 'cdc' ,url = 'jdbc:postgresql://postgres:5432/shipment_db',
username = 'postgresuser', password = 'postgrespw',
table.name = 'shipment_db.public.shipments', operation = 'insert',  plugin.name='pgoutput',
@map(type='keyvalue', @attributes(shipment_id = 'shipment_id', order_id = 'order_id',date_created='date_created',status='status')))
define stream inputStream (shipment_id int, order_id int,date_created string, status string);

@sink(type = 'log')
define stream OutputStream (shipment_id int, date_created string);

@info(name = 'query1')
from inputStream
select shipment_id, date_created

insert into OutputStream;

Following is the command I used to run siddhi cdc app

docker run -it --net postgres-docker_default --rm -p 8006:8006 -v /home/vinoja/siddhi-apps:/apps siddhiimgpostgres:tag1 -Dapps=/apps/post.siddhi

What I need to know is how to use a specific version of cdc extension when runing this app in a docker environement

[Senthuran Ambalavanar]

Hi,

I'm afraid that you will have to build a new docker image [1].

Is there any particular reason why you need a specific version of this extension? or are you doing this because the extension is not packed already?

[1] https://siddhi.io/en/v5.0/docs/config-guide/#adding-to-siddhi-docker-microservice

Thanks,

Senthuran

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[Vinoja Rathnayake]

Hi,

Thank you for the information. I need to use a particular cdc version because the default version (version 2.0.5) is giving 'Producer failure java.lang.IllegalArgumentException: Invalid identifier:' error log when inserting data to the database table. Can I know how to specify the siddhi-io-cdc version in this Dockerfile?

Thank you

[Senthuran Ambalavanar]

Hi,

Please follow the example [1]. 

If you see the dockerfile given in the example, we specify the bundle directory as ARG HOST_BUNDLES_DIR=./files/bundles

You can place your particular jar file (siddhi-io-cdc_2.0.5) in this directory, and create a Docker image out of this dockerfile. The jar(s) would be then bundled during the docker build phase.

[1] https://siddhi.io/en/v5.0/docs/config-guide/#adding-to-siddhi-docker-microservice

Thanks,
Senthuran

[Vinoja Rathnayake]

Thank you for the clarification.