# https://prometheus-operator.dev/docs/api-reference/api/#monitoring.coreos.com/v1alpha1.ScrapeConfig
apiVersion: monitoring.coreos.com/v1alpha1
kind: ScrapeConfig
metadata:
  name: mz-kubelet-cadvisor
  labels:
    app.kubernetes.io/part-of: materialize
    app.kubernetes.io/name: mz-kubelet-cadvisor
spec:
  # https://prometheus-operator.dev/docs/api-reference/api/#monitoring.coreos.com/v1alpha1.KubernetesSDConfig
  kubernetesSDConfigs:
    - role: Node
      # default apiServer uses expected endpoint, ca, and token locations
  # https://prometheus-operator.dev/docs/api-reference/api/#monitoring.coreos.com/v1.RelabelConfig
  relabelings:
    # Node-label allowlist. Replaces a blanket
    # `labelmap __meta_kubernetes_node_label_(.+)`, which promoted every node
    # label (karpenter scheduling hints, cluster-autoscaler flags, hostname, …)
    # onto every cAdvisor series. Only the dimensions the dashboards actually
    # use are kept; target names match the old labelmap output, so this is a
    # pure reduction (nothing downstream is renamed). Add rows as needed.
    # Missing source → empty value → Prometheus drops the label, so these are
    # harmless on nodes lacking a given label.
    - sourceLabels: [__meta_kubernetes_node_label_topology_kubernetes_io_region]
      targetLabel: topology_kubernetes_io_region
    - sourceLabels: [__meta_kubernetes_node_label_topology_kubernetes_io_zone]
      targetLabel: topology_kubernetes_io_zone
    - sourceLabels: [__meta_kubernetes_node_label_karpenter_sh_nodepool]
      targetLabel: karpenter_sh_nodepool
    - sourceLabels: [__meta_kubernetes_node_label_karpenter_sh_capacity_type]
      targetLabel: karpenter_sh_capacity_type
    - sourceLabels: [__meta_kubernetes_node_label_node_kubernetes_io_instance_type]
      targetLabel: node_kubernetes_io_instance_type
    # Node identity: __address__ is the apiserver proxy (identical for every
    # node), so the node name is the only real identity — promote it explicitly.
    - sourceLabels: [__meta_kubernetes_node_name]
      targetLabel: node
    - targetLabel: __address__
      replacement: kubernetes.default.svc:443
    - sourceLabels: [__meta_kubernetes_node_name]
      regex: (.+)
      targetLabel: __metrics_path__
      replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor