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feat(alerts): add kubernetes-v2 alerts for modern Kubernetes clusters#16

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feat/fix-pv-metrics-k8s-1-34
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feat(alerts): add kubernetes-v2 alerts for modern Kubernetes clusters#16
TheaWZ wants to merge 1 commit intonextfrom
feat/fix-pv-metrics-k8s-1-34

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@TheaWZ TheaWZ commented Feb 5, 2026

Les métriques kubelet_volume_stats_* sont dépréciées depuis Kubernetes 1.34, ce qui causait l'alerte NoPVMetrics en firing permanent. Cette MR ajoute un nouveau set d'alertes kubernetes-v2 utilisant kube_persistentvolume_capacity_bytes (kube-state-metrics) pour les clusters 1.34+, tout en gardant l'ancien set kubernetes pour les clusters < 1.34.

- New alert set for Kubernetes 1.34+ clusters
- NoPVMetrics uses kube_persistentvolume_capacity_bytes (kube-state-metrics)
- Removed HighPersistentVolumeUsage and LowInodes (kubelet_volume_stats_* deprecated in k8s 1.34)
- Keep PVError (uses kube_persistentvolume_status_phase)
- Legacy 'kubernetes' alerts remain for older clusters
@TheaWZ TheaWZ self-assigned this Feb 5, 2026
@TheaWZ TheaWZ requested a review from liogate February 5, 2026 14:32
@TheaWZ TheaWZ marked this pull request as ready for review February 5, 2026 14:32
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