
Jeffrey Limnardy developed and delivered three production features across the kyma-project/istio and kyma-project/opentelemetry-collector-components repositories over three months. He built a configurable Prometheus merge option for Istio metrics, updating the Kyma Istio Custom Resource and controller logic in Go to improve observability and user flexibility. In OpenTelemetry Collector Components, he automated the release process using GitHub Actions and scripting, reducing manual steps and improving release reliability. He also implemented leader election for the kymastatsreceiver, leveraging Kubernetes and Go modules to ensure only one instance scrapes metrics, thereby eliminating duplicates and enhancing data accuracy in distributed environments.

Month: 2025-05 | Key features delivered: Implemented Kymastatsreceiver Leader Election using upstream k8sleaderelector extension to ensure only the leader instance performs scraping, preventing duplicate metrics. This change was migrated in kyma-project/opentelemetry-collector-components (commit 1ceb215af200a011661c3f5343254b69fb946729).
Month: 2025-05 | Key features delivered: Implemented Kymastatsreceiver Leader Election using upstream k8sleaderelector extension to ensure only the leader instance performs scraping, preventing duplicate metrics. This change was migrated in kyma-project/opentelemetry-collector-components (commit 1ceb215af200a011661c3f5343254b69fb946729).
Month: 2025-04 — Delivered automated release process for the OpenTelemetry Collector component (OCC) in kyma-project/opentelemetry-collector-components via a GitHub Actions workflow. The update introduces inputs for force and dry-run, strengthens validation checks for release tags and existing releases, and streamlines the creation of draft releases and tags. Documentation was updated to reflect the automated release procedure, and helper scripts for branch and tag creation were refined. This work was captured in commit 6af9c0b0319de518a425bed73f9b9d8d94e1ceaf (chore: occ automated release (#320)). Overall impact: reduces manual release steps, lowers risk of tagging mistakes, accelerates release cadence, and improves reproducibility for OCC deployments.
Month: 2025-04 — Delivered automated release process for the OpenTelemetry Collector component (OCC) in kyma-project/opentelemetry-collector-components via a GitHub Actions workflow. The update introduces inputs for force and dry-run, strengthens validation checks for release tags and existing releases, and streamlines the creation of draft releases and tags. Documentation was updated to reflect the automated release procedure, and helper scripts for branch and tag creation were refined. This work was captured in commit 6af9c0b0319de518a425bed73f9b9d8d94e1ceaf (chore: occ automated release (#320)). Overall impact: reduces manual release steps, lowers risk of tagging mistakes, accelerates release cadence, and improves reproducibility for OCC deployments.
March 2025 monthly summary for kyma-project/istio: Delivered a configurable Prometheus merge feature for Istio metrics in the Kyma Istio CR, with API updates, controller logic, and user documentation. This enables customers to enable/disable merging of Istio metrics with application metrics, improving observability and flexibility.
March 2025 monthly summary for kyma-project/istio: Delivered a configurable Prometheus merge feature for Istio metrics in the Kyma Istio CR, with API updates, controller logic, and user documentation. This enables customers to enable/disable merging of Istio metrics with application metrics, improving observability and flexibility.
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