openshift-state-metrics is an add-on agent designed to generate and expose cluster-level metrics for OpenShift-specific resources. Written in Go, the project extends the functionality of the upstream kube-state-metrics project by providing metrics tailored to OpenShift's unique resource types and cluster management needs. The repository serves as a Prometheus exporter that integrates with OpenShift clusters to enable comprehensive monitoring and observability of cluster state and resource usage.

The project is classified across multiple observability and monitoring domains, including performance data collection, metrics aggregation, state metrics generation, Prometheus integration, cluster health monitoring, and operational insights. This broad classification reflects the repository's role as a foundational component in OpenShift's monitoring stack, bridging the gap between Kubernetes-native metrics and OpenShift-specific resource monitoring requirements.

The repository's approach builds directly on the established patterns from kube-state-metrics, the Kubernetes project's standard metrics exporter. By maintaining compatibility with that upstream project's architecture while extending it for OpenShift resources, openshift-state-metrics provides a familiar interface for operators already using kube-state-metrics in pure Kubernetes environments. This design choice reduces the learning curve for users transitioning to or managing OpenShift clusters.

The project includes tooling for manifest generation using jsonnet-bundler and gojsontoml, allowing operators to customize and deploy the metrics exporter in their environments. The build system provides make targets to handle dependency installation and manifest generation, streamlining the deployment process. Comprehensive documentation is maintained in the repository's docs directory, detailing available metrics and usage patterns for operators implementing cluster monitoring.

Activity tracking shows moderate engagement with a median issue and pull request response latency of 21.2 hours across tracked items, though the mean latency of 229.0 hours indicates occasional longer-running discussions or blocked items. The most active issue labels include tide/merge-blocker and lifecycle/stale, suggesting the project maintains quality gates on merges and manages inactive issues. Contributors jmguzik, rexagod, and sebrandon1 have been tracked as active participants in the project's development.

The repository maintains connections with other significant OpenShift and Kubernetes projects through overlapping contributors, including nodejs/node, openshift/installer, and openshift/coredns. These connections indicate that openshift-state-metrics is part of a broader ecosystem of OpenShift infrastructure and tooling projects, with shared expertise and development practices across the community.

As a metrics collection and exporter tool, openshift-state-metrics fills a critical role in OpenShift cluster observability by making cluster state queryable through Prometheus, enabling alerting, dashboarding, and operational analysis of OpenShift-specific resources that would otherwise lack standardized metric exposure.