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feat(infra): collect k8s events via alloy - #3805
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Add a `loki.source.kubernetes_events` pipeline to the existing Alloy release so cluster Events reach Loki before etcd expires them after about an hour. Events are written under `job="kubernetes-events"` as JSON with an `environment` label. Event watching is cluster-scoped, so it needs a ClusterRole. The chart renders either namespaced Roles or a ClusterRole but never both, and drops `rbac.clusterRules` while `rbac.namespaces` is set, so the events ClusterRole and ClusterRoleBinding are declared in `extraObjects`. Pod discovery keeps its namespaced Role in `iris`. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Description
쿠버네티스 Event를 Loki에 모아 남깁니다. Event는 약 1시간 뒤 사라지는데, 파드가 왜 죽었는지는 메트릭이 아니라 Event에 적혀 있습니다.
{job="kubernetes-events"},| json으로 사유·대상을 걸러 볼 수 있습니다.Additional context
Alloy 차트는 네임스페이스 한정 권한과 클러스터 전체 권한 중 하나만 만듭니다.
rbac.namespaces가 지정돼 있으면rbac.clusterRules는 조용히 무시됩니다 — 배포도 설정 검사도 통과하지만 Alloy 로그에 권한 거부만 남고 Event가 안 들어옵니다.그래서 Event 권한은
extraObjects로 직접 선언했습니다. #3788 의iris한정 파드 조회 권한은 그대로 유지됩니다.Before submitting the PR, please make sure you do the following
fixes #123).🤖 Generated with Claude Code