feat: add experimental audit webhook for metrics collection #77
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Add support for receiving Kubernetes audit events via a new webhook endpoint at `/audit-webhook`. This collects basic metrics on audit events split by Group Version Resource (GVR) and action, using a new Prometheus-compatible counter `gitopsreverser_audit_events_received_total`. Changes include: - Registering the audit handler in main.go - Adding audit event parsing and metrics increment in internal/webhook/audit_handler.go - Defining the new metrics counter in internal/metrics/exporter.go - Updating go.mod to include k8s.io/apiserver as a direct dependency - Adding design documentation in docs/audit-webhook-experimental-design.md - Updating package comments in internal/webhook/event_handler.go This is an experimental feature for observability, requiring cluster admin configuration for audit policy and webhook setup. No admission decisions are made; only metrics are collected.
…k8s api is sending us
Enables audit webhook testing in Kind e2e environment by solving Docker-in-Docker path mounting issues. Uses HOST_PROJECT_PATH environment variable substitution to inject actual host paths into Kind cluster configuration.
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Add support for receiving Kubernetes audit events via a new webhook endpoint at
/audit-webhook. This collects basic metrics on audit events split by Group Version Resource (GVR) and action, using a new Prometheus-compatible countergitopsreverser_audit_events_received_total.Changes include:
This is an experimental feature for experimenting, requiring cluster admin configuration for audit policy and webhook setup. No admission decisions are made; only metrics are collected.