Grafana dashboard: Kubernetes cluster monitoring (by namespace)
Description: Monitors Kubernetes cluster using Prometheus. Shows overall cluster CPU / Memory / Filesystem usage as well as individual pod, containers, systemd services statistics. Uses cAdvisor metrics only.

Kubernetes cluster monitoring 修改版，以namespace维度查看资源。适应于K8s 1.13+

modified from 'Kubernetes cluster monitoring',monitor resource by namespace.For K8s 1.13+

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              "intervalFactor": 1,
              "legendFormat": "-> pod: {{ container_label_io_kubernetes_pod_name}} | {{ container_label_io_kubernetes_container_name}}",
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              "step": 10
            },
            {
              "expr": "- sum (rate (container_network_transmit_bytes_total{image!=\"\",name=~\"^k8s_.*\",container_label_io_kubernetes_pod_namespace=~\"^$namespace$\"}[1m])) by (container_label_io_kubernetes_container_name, container_label_io_kubernetes_pod_name)",
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              "legendFormat": "-> docker: {{ kubernetes_io_hostname }} | {{ image }} ({{ name }})",
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              "format": "time_series",
              "hide": false,
              "interval": "10s",
              "intervalFactor": 1,
              "legendFormat": "<- docker: {{ kubernetes_io_hostname }} | {{ image }} ({{ name }})",
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              "refId": "C",
              "step": 10
            },
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              "expr": "sum (rate (container_network_transmit_bytes_total{rkt_container_name!=\"\",container_label_io_kubernetes_pod_namespace=~\"^$namespace$\"}[1m])) by (kubernetes_io_hostname, rkt_container_name)",
              "format": "time_series",
              "hide": false,
              "interval": "10s",
              "intervalFactor": 1,
              "legendFormat": "-> rkt: {{ kubernetes_io_hostname }} | {{ rkt_container_name }}",
              "metric": "network",
              "refId": "E",
              "step": 10
            },
            {
              "expr": "- sum (rate (container_network_transmit_bytes_total{rkt_container_name!=\"\",container_label_io_kubernetes_pod_namespace=~\"^$namespace$\"}[1m])) by (kubernetes_io_hostname, rkt_container_name)",
              "format": "time_series",
              "hide": false,
              "interval": "10s",
              "intervalFactor": 1,
              "legendFormat": "<- rkt: {{ kubernetes_io_hostname }} | {{ rkt_container_name }}",
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              "refId": "F",
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          "thresholds": [],
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      "id": 45,
      "panels": [
        {
          "aliasColors": {},
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            {
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      "title": "All processes network I/O",
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  "refresh": false,
  "schemaVersion": 16,
  "style": "dark",
  "tags": [
    "kubernetes"
  ],
  "templating": {
    "list": [
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS_PROMETHEUS-DS}",
        "hide": 0,
        "includeAll": true,
        "label": null,
        "multi": false,
        "name": "namespace",
        "options": [],
        "query": "label_values(container_label_io_kubernetes_pod_namespace)",
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  "time": {
    "from": "2019-05-07T01:28:13.505Z",
    "to": "2019-05-07T09:28:13.521Z"
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    "refresh_intervals": [
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  "timezone": "browser",
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