Graham McIntire
e1274bc63b
Cluster-side: - Deploy kube-state-metrics (kube-system) for cluster-state series. - Deploy node-exporter DaemonSet on all 7 nodes via the new monitoring ns (privileged PSS, hostNetwork, read-only host mounts). - Both managed by ArgoCD apps under home/cluster/argocd/apps/. Prometheus-side: - Replace direct pod-IP scraping (which can't reach the 10.244.0.0/16 pod network from outside the cluster) with API-server-proxy scraping for both Services and Pods. Now one target per pod, all healthy. - Extend external Prometheus RBAC with services/proxy + pods/proxy. Grafana-side: - Add file-based dashboard provisioner; ship 5 standard dashboards (Node Exporter Full, k8s cluster-via-prometheus, k8s all-in-one, k8s monitoring, Prometheus 2.0 overview). prom.w5isp.com:3000 now shows live data for all 7 cluster nodes plus the prom host itself.
19 lines
510 B
YAML
19 lines
510 B
YAML
apiVersion: v1
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kind: Service
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metadata:
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name: node-exporter
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namespace: monitoring
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labels:
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app.kubernetes.io/name: node-exporter
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# Prometheus scrapes the DaemonSet pods (one target per node) via the
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# kubernetes-pods job; scraping the headless service would only hit one
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# pod per cycle, so no scrape annotations on the Service.
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spec:
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clusterIP: None
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selector:
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app.kubernetes.io/name: node-exporter
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ports:
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- name: metrics
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port: 9100
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targetPort: 9100
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protocol: TCP
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