Robert Brodeur (brodr)
Sr Tech Doc Specialist
Pegasystems Inc.
brodr Member since 2013 6 posts
Posted: May 27, 2015
Last activity: December 16, 2015
Posted: 27 May 2015 16:15 EDT
Last activity: 16 Dec 2015 9:39 EST

Create a batch file that calls a Pega 7 activity

Here's a situation that you might find useful when working with activities in Pega 7.



I want to call an activity from outside of Pega 7 by using a batch file (UNIX .sh or Windows .bat). It is currently possible to do so when using a browser, but I would like this to instead be an automated activity. If possible, I want to pass one argument of String so I can use it in the activity step.



Wrap your activity in a service HTTP, and call the service HTTP from wget or curl. Don’t call activities directly, since doing so could result in unauthenticated or unsecure access.

 From a system administration and operations perspective, be sure that your activity logs when it calls and what it did. To track agent starts and stops, create a custom log class and map it to an exposed table so you can write reports and have data easily accessible in a centralized location for all nodes. At a minimum, include oLog statements. For example:

HTTP service package URL's are .... http://<host>:<port>/prweb/PRHTTPService/<service package>/<service class>/<service method>?<parameter name=parameter value>&<parameter name=parameter value>

If you want to secure your service:

  • In the service package, require authentication
  • In wget parameters add --user and --password arguments for operators to run service under.

Note that running your activity directly from wget without a service wrapper might lead to issues that are tied to access group, ruleset and application, because the default PRPC:Unauthenticated access group would not have access to your rules. However, to troubleshoot this situation, you can use the full SnapStart syntax to authenticate and then launch the activity.

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