Javelin workflow execution using Jenkins

[Mahesh]

Hi there,

We are developing Javelin workflow to automate the data generation process. We are using GIT Lab as a configuration management tool and Jenkins for CICD integration. So would like to understand the process of executing javelin workflow from Jenkins via Gitlab and how parameter values can be passed to Javelin in this scenario. 

regards,
Mahesh

[Cihan Ankara]

Hi Mahesh,

You can use JavelinExecutor to run Javelin flows in Batch Mode. So, you can also pass variables by using variable file. Detailed information on below link.

https://techdocs.broadcom.com/us/en/ca-enterprise-software/devops/test-data-management/4-9/javelin/run-javelin-in-batch-mode.html

Best Regards,
Cihan

[Mahesh]

Hi Cihan,

Thanks for the suggestion. I have tried the option of running Javelin flows in Batch mode and it is working fine when I am not passing any argument as parameter at run time from the command line. (which considers the variables that are already defined in the workflow). But when I am passing the parameter/s from command line as part of batch execution, the Javelin flow does not consider the provided parameter value for the variable even though it is getting reflected correctly in the CSV file created where the variables are defined.

Eg: In my case, I have a variable for iterator, and the flow must execute for the iterator count. When I am providing value for this (say 2) in the workflow and running it in batch mode, it is getting executed for the iterator count (twice in this case). But when I am passing this variable value as argument (say 3) while executing the batch from command line, it still considers the value provided in the workflow (which is 2) and does not repeat thrice. When I do not assign any value for that variable in the workflow and try passing it from the batch mode, the flow does not iterate.

Please can you advise here.

[Cihan Ankara]

Hi Mahesh,

I tried to replicate the case as basic as possible and It worked fine. I am attaching the sample flow and files.

Best Regards,

Attachment(s)

IterationFlow.rar   2 KB 1 version

[Mahesh]

Hi Cihan,

I have executed the sample setup shared, and see the same behavior as that of earlier. (loop getting executed for the parameter configured in workflow, rather than the argument at runtime). In this case, I have the iteration as 1 in the workflow and 3 in the CSV input file.  Perhaps, it is not loading the configuration file correctly with the argument value, despite being able to access file/path C:\Program Files\Grid-Tools\Javelin\JavelinExecutor.exe.Config.?



logfile:

[Cihan Ankara]

Hi Mahesh,

I tried again and it worked just fine.


Could you please check if you run CMD as administrator? Also, what version of Javelin are you using? 

Best Regards,

[Mahesh]

Hi Cihan,

I am using 4.9.155 Javelin version. I tried with admin cmd prompt, but still no luck.

[Cihan Ankara]

Hi Mahesh,

As far as I could understand, you create the variable files in runtime which overwrites the Iteration.csv file which has no value. That causes Javelin to use iteration variable value which is saved in flow.

I am sending you the cmd script file. 

REM @echo off
if [%1]==[] goto error
if [%2]==[] goto error

(
echo ^<?xml version="1.0" encoding="UTF-8"?^>
echo ^<GTJavelinJob^>
echo ^<FlowPath^>C:\TDMWork\IterationFlow.vwf^</FlowPath^>
echo ^<VariableFilePath^>C:\TDMWork\IterationFlow.csv^</VariableFilePath^>
echo ^<LogFile^>C:\TDMWork\mylogfile.log^</LogFile^>
echo ^<outdir^>C:\TDMWork^</outdir^>
echo ^</GTJavelinJob^>
) > C:\TDMWork\IterationFlow.xml

(
echo Name,Value,Scope
) > C:\TDMWork\IterationFlow.csv
(
echo "iteration","%1","Flowchart"
) >> C:\TDMWork\IterationFlow.csv
(
echo "i","%2","Flowchart"
) >> C:\TDMWork\IterationFlow.csv


"C:\Program Files\Grid-Tools\Javelin\JavelinExecutor.exe" file="C:\TDMWork\IterationFlow.xml"
goto end

:error
echo.
echo ** ERROR SPECIFYING PARAMETERS
echo.
echo ** TO RUN: filePath OutFilePath
echo.
:end

Could you please try with that one?

Run as "IterationFlow.cmd 8 0" 

8 > Iteration count
0 > value of i which iteration should start

Best Regards,

[Cihan Ankara]

Forgot to attach sample output.

[Mahesh]

Thanks Cihan,

I am now able to iterate through the argument value provided at runtime. Thank you for your kind response.

Also, I would like to understand how the sessions are managed when we execute the batch each time. Does it close the session after invoking the Javelin executable? 

regards,
Mahesh

[Cihan Ankara]

Hi Mahesh,

You can use "/user/logout" method to log out or invalidate user session in the end of the Javelin workflow.

If it is related with execution of Javelin Workflow with Command Line, it automatically terminates the process in the end unless you define opposite.

Best Regards,

[Mahesh]

Thank you Cihan. Appreciate your support.