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This dashboard will show you:

• Cluster Overview
  • Allocatable vs Requested vs Usage Memory and CPU
• Namespace Overview
  • Allocatable vs Requested vs Usage Memory and CPU
  • Memory/CPU Request vs Memory/CPU Limit vs Memory/CPU live of all namespace pods.
• App Overview
  • Allocatable vs Requested vs Usage Memory and CPU by APP
  • Allocatable vs Requested vs Usage Memory and CPU by pod.
• Node Overview
  • Allocatable vs Usage Memory and CPU of all Nodes.
  • Allocatable vs Usage Memory and CPU of a single Node.

To use this app you must have configured in your cluster:

• Kubernetes (v1.14.1)
• Prometheus (v2.12.0)
• Kube State Metrics (v1.8.0)
• Metrics Server Exporter (v0.0.4) https://github.com/grupozap/metrics-server-exporter

Your Prometheus scrap config for kube-state-metrics and metrics-server-exporter should be like this: (in my example, this scraps all services from cluster with prometheus label scrap: true)

- job_name: 'kubernetes-service-endpoints'
  kubernetes_sd_configs:
  - role: endpoints
  relabel_configs:
  - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
    action: keep
    regex: true
  - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
    action: replace
    target_label: __scheme__
    regex: (https?)
  - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
    action: replace
    target_label: __metrics_path__
    regex: (.+)
  - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
    action: replace
    target_label: __address__
    regex: ([^:]+)(?::\d+)?;(\d+)
    replacement: $1:$2
  - action: labelmap
    regex: __meta_kubernetes_service_label_(.+)
  - source_labels: [__meta_kubernetes_namespace]
    action: replace
    target_label: kubernetes_namespace
  - source_labels: [__meta_kubernetes_service_name]
    action: replace
    target_label: kubernetes_name
  - source_labels: [__meta_kubernetes_pod_name]
    action: replace
    target_label: kubernetes_pod_name
  - source_labels: [__meta_kubernetes_pod_name]
    action: replace
    target_label: pod