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15 commits

Author SHA1 Message Date
alkatrazz
0498d770f2 fix(monitoring): dashboard infra nodata — nftables pod CIDR + mountpoint 
nftables.conf.j2 :
  - Ajoute 10.42.0.0/16 (CIDR pods k8s) pour port 9100 (node_exporter)
    et port 8080 (hermes webhook AlertManager)
  - Appliqué live sur storage-01 + persisté dans /etc/sysconfig/nftables.conf
  - storage-01 était up=0 (timeout) car pods Prometheus ne pouvaient pas
    l'atteindre malgré node_exporter actif

dashboard-infrastructure.yaml :
  - Corrige mountpoint /srv → /srv/data (RAID5 monté sur /srv/data)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-14 18:42:11 +02:00
alkatrazz
d552abd2ef fix(monitoring): Grafana memory limit 512Mi → 1Gi 
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 23:55:33 +02:00
alkatrazz
273d4b2a23 fix(monitoring): augmenter limite mémoire Grafana 256Mi → 512Mi 
Grafana 13 était OOMKilled régulièrement (exit code 137, 5 restarts
observés) avec la limite à 256Mi — cause des "no available server"
Traefik pendant les redémarrages.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 23:15:37 +02:00
alkatrazz
18da44a89f feat: monitoring — dashboards Grafana + alertes Prometheus 
Dashboards (ConfigMaps, auto-importés par sidecar Grafana) :
- dashboard-kubernetes : cluster overview, pods, PVCs, restarts
- dashboard-infrastructure : compute/storage-01/gpu-01 CPU/RAM/disque/réseau + GPU ROCm
- dashboard-ai : llama-server GPU/CPU tokens/s, requêtes, VRAM, température GPU

Alertes (PrometheusRule) :
- alerts-node : CPU>90%, RAM>90%, disque>80%, storage-01/gpu-01 down, load élevé
- alerts-k8s : NodeNotReady, PodCrashLoop, PodPending, DeploymentUnavailable, PVCNotBound, ArgoCDOutOfSync
- alerts-ai : llama-server GPU/system/monitor down, GPU temp>80°C, VRAM>95%, queue élevée

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 22:47:49 +02:00
alkatrazz
83c10feae7 fix: monitoring — collecte métriques externes (nftables, llama --metrics, ROCm via 9100) 
- nftables storage-01 : ports 9100 (node_exporter) + 9093 (webhook) ouverts pour 192.168.10.0/24
- llama-server : ajout --metrics pour exposer /metrics sur les 3 instances
- values.yaml : suppression job gpu-01-rocm:9101 inexistant (ROCm passe par node_exporter 9100 textfile_collector)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 22:41:19 +02:00
alkatrazz
e0d233da02 fix: alertmanager — receiver null manquant (Watchdog heartbeat) 
Le chart kube-prometheus-stack génère une sous-route pour l'alerte
Watchdog qui référence le receiver "null". Notre config le remplaçait
sans le définir → ReconciliationFailed, StatefulSet jamais créé.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 22:29:19 +02:00
alkatrazz
d23d464372 fix: monitoring — Ingress Prometheus/AlertManager, paths + pathType requis 
Le chart kube-prometheus-stack nécessite paths:[/] et pathType:Prefix
contrairement au sous-chart Grafana qui a des defaults.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 22:27:01 +02:00
alkatrazz
7fa790c8d3 feat: monitoring — Ingress Prometheus et AlertManager (traefik, lab.local) 
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 22:23:31 +02:00
alkatrazz
b7dde7c5ee fix: monitoring namespace — PodSecurity privileged pour node-exporter 
node-exporter requiert hostNetwork, hostPID et hostPath — bloqué par
la policy baseline:latest de Talos. Label privileged appliqué.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 21:46:54 +02:00
alkatrazz
655ca4dc8c feat: NFS provisioner + persistance Prometheus et Grafana 
- k8s/infra/nfs-provisioner/ : nfs-subdir-external-provisioner v4.0.18
  StorageClass "nfs" (default), ReclaimPolicy=Retain, server=192.168.10.1
  path=/srv/data/nfs/k8s (export RAID5 déjà existant)
- k8s/apps-of-apps/apps/nfs-provisioner.yaml : Application ArgoCD
- monitoring/values.yaml : persistance activée
  Prometheus: 20Gi sur nfs, Grafana: 2Gi sur nfs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 21:22:05 +02:00
alkatrazz
857351bcf9 fix: monitoring — supprimer storageSpec (emptyDir implicite) 
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 20:39:55 +02:00
alkatrazz
36ca8f0179 fix: monitoring — emptyDir pour Prometheus (pas de StorageClass) 
Longhorn à installer ensuite pour la persistance.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 20:37:33 +02:00
alkatrazz
7887341ad7 fix: helmrelease monitoring — multi-source correct (sources uniquement, valueFiles) 
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 20:34:11 +02:00
alkatrazz
7409c6fa1c fix: ArgoCD — SSH URL repo + clé SSH pour auth GitHub 
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 20:31:00 +02:00
alkatrazz
d7b33bb34a feat: bootstrap ArgoCD + structure GitOps k8s 
- k8s/argocd-bootstrap/values.yaml : ArgoCD Helm values (ingress Traefik,
  resources limités, dex désactivé)
- k8s/apps-of-apps/ : root Application + monitoring Application
- k8s/infra/monitoring/ : kube-prometheus-stack v85.0.2 (Grafana, Prometheus,
  AlertManager, node-exporter daemonset)
  - Scrape additionnels : storage-01:9100, gpu-01:9100 (node), :9101 (ROCm),
    llama-server :1234/:1236/:1237
  - AlertManager webhook → http://192.168.10.1:9093/webhook (Hermes monitor)
  - Ressources dimensionnées pour compute 8GB
  - kubeEtcd/Scheduler/ControllerManager/Proxy désactivés (Talos)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-05-13 20:26:49 +02:00