feat(grafana): add Kubernetes kube-state-metrics 6417 curated pack - #389
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Tracking: closes #393 under https://github.com/elastic/obs-integration-team/issues/1200. Please add |
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Curated pack for grafana.com dashboard 6417 ("Kubernetes Cluster
(Prometheus)"), a kube-state-metrics + node_exporter cluster-health
dashboard authored against an older KSM/node_exporter lineage. Stacked on
the cAdvisor 315 pack (shares the parity-rig k8s_exporter added there).
The pack modernizes the source metric surface:
- metric_map bridges renamed names (node_filesystem_size/_free ->
*_bytes, kube_pod_container_status_restarts -> *_total)
- metric_kinds classify the KSM gauges and the restarts counter
- query_overrides reshape the resource-split KSM metrics
(kube_node_status_allocatable{resource=cpu|memory|pods} filtered
per-resource) so the cluster CPU/Memory/Pod usage tiles compute the
correct allocatable denominator, and group the Deployment Replicas
table by deployment
The removed OutOfDisk node condition is documented as an honest gap, and
the constant .* $node/$namespace variables become bound Kibana controls.
Live render audit against the parity-rig k8s_exporter: 29 rendered / 0
error. Fidelity manifest, design doc, docs/sources/grafana.md, and offline
fixture tests included; registry provenance pinned (rev 1) and verified.
Constant .* $node/$namespace hydrated to the first concrete option on upload, and the absolute request tiles still named the old per-resource metrics. Multi-select label_values controls plus resource-split overrides restore Grafana's all-match first paint and populate CPU/memory requested.
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Summary
metric_maprenames, resource-splitquery_overridesfor allocatable/requests, deployment table grouped bylabels.deployment, honest OutOfDisk gap.plugin.pyrewrites constant.*$node/$namespaceto multi-selectlabel_values()controls so first paint is Grafana All, not the first concrete namespace/node. Cluster usage/capacity tiles bind?nodeviaMV_CONTAINS.kube_pod_container_resource_requests{resource=...}. Producer emits full KSM 0/1 phase series so Pending/Failed/Succeeded/Unknown render 0 instead of N/A.Stacks on #388 (
feat/grafana-315-kubernetes-cadvisor).Test plan
pytest tests/test_curated_packs.py -k 6417make lintmetrics-k8s.prometheus-default; confirm first paint Number of Nodes=all, request tiles populate, phase tiles are 0 not N/A, OutOfDisk stays emptyFixes #393