rtclauss / loopr

Emulate user interactions in Stock Trader

loopr

This project emulates many end-users interacting with StockTrader via an external load balancer, such as an AWS Elastic LoadBalancer. It will:

• create a new portfolio for a randomly generated user
• Buy some shares (between 0-100) of a randomly selected stock
• Sell a random number of shares of said stock
• Delete the portfolio

There is a random amount of "think time" between each activity and there are page-navigation steps, included, too.

You can get creative and add additional buys/sell actions, more thinking time, additional actions, emulate different types of behavior by changing what is included in the scenario.

Prerequisites for Mac

Install SDKMAN and SBT:

curl -s "https://get.sdkman.io" | bash 
sdk install scala
sdk install sbt

Run the tool

git clone https://github.com/rtclauss/loopr.git
cd loopr
sbt clean GatlingIt/test -DpublicBaseEndpoint=https://a872f86d8b0b74adc9a6fb3568be2118-cb3a347684a3ce53.elb.us-east-2.amazonaws.com:9443

loopr's Issues

Add support for login via OpenID Connect

This Gatling-based stress client works great when Stock Trader is configured to use Liberty's basicRegistry for its login (using its hard-coded stock/trader credentials). But when the CR yaml is updated to use OpenID Connect instead, that won't work. Instead of seeing my login.jsp, you'll get redirected to the OIDC provider's login page, such as this one that I get from KeyCloak:

Upon successful login (like ultimately to RACF in the example above, as KeyCloak uses its "user federation" to call the Tivoli LDAP server on our mainframe in Brazil), it will then redirect back to Trader's summary.jsp (with the JWT issued by KeyCloak in a cookie), and all is as usual from then on.

We need to figure out how we would get this (very useful!) Gatling-based test harness working when OpenID Connect mode is enabled.