DevOpsi sp. z o.o. was asked to support in the scope of:
At this stage, the Customer received our support in making the final decision on choosing Keycloak as the Single Sign-On (SSO) solution, a centralized authentication server. Additionally, during the workshops, we worked out the location of Keycloak in the entire architecture of the Customer’s systems. We also established the complete infrastructure architecture, which in the next stage we mapped on the Customer’s development environment.
As part of the contract, we created a dedicated SPI – plug-in for Keycloak. It extends its basic functionality. The plug-in was created by the manufacturer’s recommendations in the JVM environment. It verified and tagged information about permissions. Depending on the needs, it performed the appropriate actions. We also performed the tests and prepared the installation package and implementation instructions.
Part of the ordered work was to perform performance tests of the entire service. The assumptions for the tests were clear:
For testing purposes, we imported several million wellbeing platform Unique Users into Keycloak. Thanks to this, we perfectly reproduced the production conditions. For the load test, a task we prepared using Apache JMeter. That involved increasing the number of sessions/logins every minute. We ran the tests from 3 independent locations of our infrastructure. The load test was successful and the environment worked flawlessly. The overload test was also prepared in Apache JMeter. It consisted in running 8000 threads, which automatically logged users from a pool of several million users. The overload tests were also successful – it was possible to surpass the assumptions of the load tests several times. During testing, the infrastructure was monitored using Prometheus and Grafana applications. After testing, the Customer received complete documentation of the tests.
The biggest challenges we had to face were related to:
Our experience with previous implementations of Keycloak, k8s clusters, and Postgres, allowed us to seamlessly overcome the challenges and complete the implementation successfully.
From the beginning, the project required special attention and individualized solutions. The DevOpsi team – which was responsible for the implementation project – did not lack knowledge and experience, therefore we were certain of the final success. Therefore, the client offered us further cooperation in maintaining the entire solution, providing its support, and further developing the environment for its wellbeing platform.
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