Deploy Talend ESB Service

This post will cover deploying a Talend ESB RESTful service as a OSGI Bundle for ESB in Talend runtime environment on Ubuntu server.

sudo apt-get install openjdk-7-jdk

Environment variable JAVA_HOME must be set because Talend Runtime will first look out for Java installation.

Execute below command to find out alternative Java path.

sudo update-alternatives --config java

Select path of preferred installation and update environment file by adding below code.

sudo vi /etc/environment

Reload file and Test

source /etc/environment

I am using FileZilla to send Runtime_ESBSE to Ubuntu server after compressing it, but server directory must have required permission to copy file.

Use chmod to give sufficient permissions.

sudo chmod 777 -R etl

Install unzip to extract Runtime_ESBSE on server.

sudo apt-get update
sudo apt-get install unzip

Execute trun command to launch Runtime environment. 

cd Runtime_ESBSE/container/bin

On Runtime container use list command to check status of your service.

karaf@trun()> list

we can also verify by hitting API endpoint using CURL

curl -i -H "Accept: application/json" 
-H "Content-Type: application/json" 

Now we are able to deploy ESB job as service in Talend Runtime container using apache karaf but to make it run as a operating system service we must install Karaf Wrapper feature.

Installing the wrapper

  1. Browse to the container/bin folder of the Talend Runtime installation directory, then launch the container by executing the trun file as a root user
  2. To install the wrapper feature, simply type:
    karaf@trun()> feature:install wrapper

    Once installed, wrapper feature will provide wrapper:install new command in the trun, which allows you to install Talend Runtime as a service.

  3. To register the container as a service in automatic start mode, simply type:
    karaf@trun()> wrapper:install -s AUTO_START -n talend 
    -d Talend -D "Talend ESB Runtime Service"

    To install the service:
    $ ln -s /dev/etl/talend/Runtime_ESBSE/container/bin/talend-service /etc/init.d/

    To start the service when the machine is rebooted:
    $ update-rc.d talend-service defaults

    To disable starting the service when the machine is rebooted:
    $ update-rc.d -f talend-service remove

    To start the service:
    $ /etc/init.d/talend-service start

    To stop the service:
    $ /etc/init.d/talend-service stop

    To uninstall the service :
    $ rm /etc/init.d/talend-service


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