prometheus 監(jiān)控集群

部署 prometheus

創(chuàng)建對(duì)應(yīng)的 ServiceAccount

vim 13-3-prometheus-k8s-ServiceAccount.yml

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: prometheus
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: prometheus
subjects:
- kind: ServiceAccount
  name: prometheus-k8s
  namespace: monitoring
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: prometheus
rules:
- apiGroups: [""]
  resources:
  - nodes
  - nodes/proxy
  - services
  - endpoints
  - pods
  verbs: ["get", "list", "watch"]
- apiGroups: [""]
  resources:
  - configmaps
  verbs: ["get"]
- nonResourceURLs: ["/metrics"]
  verbs: ["get"]
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: prometheus-k8s
  namespace: monitoring

kubectl apply -f 13-3-prometheus-k8s-ServiceAccount.yml

創(chuàng)建配置相關(guān)的 configmap

vim 13-3-prometheus-config-configmap.yml

apiVersion: v1
kind: ConfigMap
metadata:
  creationTimestamp: null
  name: prometheus-core
  namespace: monitoring
data:
  prometheus.yaml: |
    global:
      scrape_interval: 10s
      scrape_timeout: 10s
      evaluation_interval: 10s
    rule_files:
      - "/etc/prometheus-rules/*.rules"
    scrape_configs:
      - job_name: 'kubernetes-nodes'
        scheme: https
        tls_config:
          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
        kubernetes_sd_configs:
          - role: node
        relabel_configs:
        - action: labelmap
          regex: __meta_kubernetes_node_label_(.+)
        - target_label: __address__
          replacement: kubernetes.default.svc:443
        - source_labels: [__meta_kubernetes_node_name]
          regex: (.+)
          target_label: __metrics_path__
          replacement: /api/v1/nodes/${1}/proxy/metrics
      - job_name: 'kubernetes-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

      - job_name: 'kubernetes-services'
        metrics_path: /probe
        params:
          module: [http_2xx]
        kubernetes_sd_configs:
          - role: service
        relabel_configs:
          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_probe]
            action: keep
            regex: true
          - source_labels: [__address__]
            target_label: __param_target
          - target_label: __address__
            replacement: blackbox
          - source_labels: [__param_target]
            target_label: instance
          - action: labelmap
            regex: __meta_kubernetes_service_label_(.+)
          - source_labels: [__meta_kubernetes_namespace]
            target_label: kubernetes_namespace
          - source_labels: [__meta_kubernetes_service_name]
            target_label: kubernetes_name

      - job_name: 'kubernetes-pods'
        kubernetes_sd_configs:
          - role: pod
        relabel_configs:
          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
            action: keep
            regex: true
          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
            action: replace
            target_label: __metrics_path__
            regex: (.+)
          - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
            action: replace
            regex: (.+):(?:\d+);(\d+)
            replacement: ${1}:${2}
            target_label: __address__
          - action: labelmap
            regex: __meta_kubernetes_pod_label_(.+)
          - source_labels: [__meta_kubernetes_namespace]
            action: replace
            target_label: kubernetes_namespace
          - source_labels: [__meta_kubernetes_pod_name]
            action: replace
            target_label: kubernetes_pod_name
          - source_labels: [__meta_kubernetes_pod_container_port_number]
            action: keep
            regex: 9\d{3}

      - job_name: 'kubernetes-cadvisor'
        scheme: https
        tls_config:
          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
        kubernetes_sd_configs:
          - role: node
        relabel_configs:
          - action: labelmap
          - action: labelmap
            regex: __meta_kubernetes_node_label_(.+)
          - target_label: __address__
            replacement: kubernetes.default.svc:443
          - source_labels: [__meta_kubernetes_node_name]
            regex: (.+)
            target_label: __metrics_path__
            replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor

kubectl apply -f 13-3-prometheus-config-configmap.yml

創(chuàng)建告警規(guī)則相關(guān)的 configmap

vim 13-3-prometheus-rules-configmap.yml

apiVersion: v1
kind: ConfigMap
metadata:
  creationTimestamp: null
  name: prometheus-rules
  namespace: monitoring
data:
  cpu-usage.rules: |
    ALERT NodeCPUUsage
      IF (100 - (avg by (instance) (irate(node_cpu{name="node-exporter",mode="idle"}[5m])) * 100)) > 75
      FOR 2m
      LABELS {
        severity="page"
      }
      ANNOTATIONS {
        SUMMARY = "{{$labels.instance}}: High CPU usage detected",
        DESCRIPTION = "{{$labels.instance}}: CPU usage is above 75% (current value is: {{ $value }})"
      }
  instance-availability.rules: |
    ALERT InstanceDown
      IF up == 0
      FOR 1m
      LABELS { severity = "page" }
      ANNOTATIONS {
        summary = "Instance {{ $labels.instance }} down",
        description = "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 1 minute.",
      }
  low-disk-space.rules: |
    ALERT NodeLowRootDisk
      IF ((node_filesystem_size{mountpoint="/root-disk"} - node_filesystem_free{mountpoint="/root-disk"} ) / node_filesystem_size{mountpoint="/root-disk"} * 100) > 75
      FOR 2m
      LABELS {
        severity="page"
      }
      ANNOTATIONS {
        SUMMARY = "{{$labels.instance}}: Low root disk space",
        DESCRIPTION = "{{$labels.instance}}: Root disk usage is above 75% (current value is: {{ $value }})"
      }

    ALERT NodeLowDataDisk
      IF ((node_filesystem_size{mountpoint="/data-disk"} - node_filesystem_free{mountpoint="/data-disk"} ) / node_filesystem_size{mountpoint="/data-disk"} * 100) > 75
      FOR 2m
      LABELS {
        severity="page"
      }
      ANNOTATIONS {
        SUMMARY = "{{$labels.instance}}: Low data disk space",
        DESCRIPTION = "{{$labels.instance}}: Data disk usage is above 75% (current value is: {{ $value }})"
      }
  mem-usage.rules: |
    ALERT NodeSwapUsage
      IF (((node_memory_SwapTotal-node_memory_SwapFree)/node_memory_SwapTotal)*100) > 75
      FOR 2m
      LABELS {
        severity="page"
      }
      ANNOTATIONS {
        SUMMARY = "{{$labels.instance}}: Swap usage detected",
        DESCRIPTION = "{{$labels.instance}}: Swap usage usage is above 75% (current value is: {{ $value }})"
      }

    ALERT NodeMemoryUsage
      IF (((node_memory_MemTotal-node_memory_MemFree-node_memory_Cached)/(node_memory_MemTotal)*100)) > 75
      FOR 2m
      LABELS {
        severity="page"
      }
      ANNOTATIONS {
        SUMMARY = "{{$labels.instance}}: High memory usage detected",
        DESCRIPTION = "{{$labels.instance}}: Memory usage is above 75% (current value is: {{ $value }})"
      }

kubectl apply -f 13-3-prometheus-rules-configmap.yml

創(chuàng)建用戶名和密碼

vim 13-3-prometheus-secret.yml

apiVersion: v1
kind: Secret
data:
  admin-password: YWRtaW4=
  admin-username: YWRtaW4=
metadata:
  name: grafana
  namespace: monitoring
type: Opaque

kubectl apply -f 13-3-prometheus-secret.yml

用戶名是 admin筐赔，密碼是 admin

部署 prometheus server 的 deployment

vim 13-3-prometheus-deploy.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus-core
  namespace: monitoring
  labels:
    app: prometheus
    component: core
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
      component: core
  template:
    metadata:
      name: prometheus-main
      labels:
        app: prometheus
        component: core
    spec:
      serviceAccountName: prometheus-k8s
      containers:
      - name: prometheus
        image: prom/prometheus:v1.7.0
        args:
          - '-storage.local.retention=12h'
          - '-storage.local.memory-chunks=500000'
          - '-config.file=/etc/prometheus/prometheus.yaml'
          - '-alertmanager.url=http://alertmanager:9093/'
        ports:
        - name: webui
          containerPort: 9090
        resources:
          requests:
            cpu: 500m
            memory: 500M
          limits:
            cpu: 500m
            memory: 500M
        volumeMounts:
        - name: config-volume
          mountPath: /etc/prometheus
        - name: rules-volume
          mountPath: /etc/prometheus-rules
      volumes:
      - name: config-volume
        configMap:
          name: prometheus-core
      - name: rules-volume
        configMap:
          name: prometheus-rules

kubectl apply -f 13-3-prometheus-deploy.yml

部署 prometheus server 的 service

vim 13-3-prometheus-service.yml

apiVersion: v1
kind: Service
metadata:
  name: prometheus
  namespace: monitoring
  labels:
    app: prometheus
    component: core
  annotations:
    prometheus.io/scrape: 'true'
spec:
  type: NodePort
  ports:
    - port: 9090
      protocol: TCP
      name: webui
      nodePort: 30091
  selector:
    app: prometheus
    component: core

kubectl apply -f 13-3-prometheus-service.yml

瀏覽器訪問(wèn)：http://192.168.190.132:30091/graph

部署 Grafana

創(chuàng)建 Grafana Dashboard 模板相關(guān)的 configmap

vim grafana-net-2-dashboard-configmap.yml

apiVersion: v1
kind: ConfigMap
metadata:
  creationTimestamp: null
  name: grafana-import-dashboards
  namespace: monitoring
data:
  grafana-net-2-dashboard.json: |
    {
      "__inputs": [{
        "name": "DS_PROMETHEUS",
        "label": "Prometheus",
        "description": "",
        "type": "datasource",
        "pluginId": "prometheus",
        "pluginName": "Prometheus"
      }],
      "__requires": [{
        "type": "panel",
        "id": "singlestat",
        "name": "Singlestat",
        "version": ""
      }, {
        "type": "panel",
        "id": "text",
        "name": "Text",
        "version": ""
      }, {
        "type": "panel",
        "id": "graph",
        "name": "Graph",
        "version": ""
      }, {
        "type": "grafana",
        "id": "grafana",
        "name": "Grafana",
        "version": "3.1.0"
      }, {
        "type": "datasource",
        "id": "prometheus",
        "name": "Prometheus",
        "version": "1.0.0"
      }],
      "id": null,
      "title": "Prometheus Stats",
      "tags": [],
      "style": "dark",
      "timezone": "browser",
      "editable": true,
      "hideControls": true,
      "sharedCrosshair": false,
      "rows": [{
        "collapse": false,
        "editable": true,
        "height": 178,
        "panels": [{
          "cacheTimeout": null,
          "colorBackground": false,
          "colorValue": false,
          "colors": ["rgba(245, 54, 54, 0.9)", "rgba(237, 129, 40, 0.89)", "rgba(50, 172, 45, 0.97)"],
          "datasource": "${DS_PROMETHEUS}",
          "decimals": 1,
          "editable": true,
          "error": false,
          "format": "s",
          "id": 5,
          "interval": null,
          "links": [],
          "maxDataPoints": 100,
          "nullPointMode": "connected",
          "nullText": null,
          "postfix": "",
          "postfixFontSize": "50%",
          "prefix": "",
          "prefixFontSize": "50%",
          "span": 3,
          "sparkline": {
            "fillColor": "rgba(31, 118, 189, 0.18)",
            "full": false,
            "lineColor": "rgb(31, 120, 193)",
            "show": false
          },
          "targets": [{
            "expr": "(time() - process_start_time_seconds{job=\"prometheus\"})",
            "intervalFactor": 2,
            "refId": "A",
            "step": 4
          }],
          "thresholds": "",
          "title": "Uptime",
          "type": "singlestat",
          "valueFontSize": "80%",
          "valueMaps": [{
            "op": "=",
            "text": "N/A",
            "value": "null"
          }],
          "valueName": "current",
          "mappingTypes": [{
            "name": "value to text",
            "value": 1
          }, {
            "name": "range to text",
            "value": 2
          }],
          "rangeMaps": [{
            "from": "null",
            "to": "null",
            "text": "N/A"
          }],
          "mappingType": 1,
          "gauge": {
            "show": false,
            "minValue": 0,
            "maxValue": 100,
            "thresholdMarkers": true,
            "thresholdLabels": false
          }
        }, {
          "cacheTimeout": null,
          "colorBackground": false,
          "colorValue": false,
          "colors": ["rgba(50, 172, 45, 0.97)", "rgba(237, 129, 40, 0.89)", "rgba(245, 54, 54, 0.9)"],
          "datasource": "${DS_PROMETHEUS}",
          "editable": true,
          "error": false,
          "format": "none",
          "id": 6,
          "interval": null,
          "links": [],
          "maxDataPoints": 100,
          "nullPointMode": "connected",
          "nullText": null,
          "postfix": "",
          "postfixFontSize": "50%",
          "prefix": "",
          "prefixFontSize": "50%",
          "span": 3,
          "sparkline": {
            "fillColor": "rgba(31, 118, 189, 0.18)",
            "full": false,
            "lineColor": "rgb(31, 120, 193)",
            "show": true
          },
          "targets": [{
            "expr": "prometheus_local_storage_memory_series",
            "intervalFactor": 2,
            "refId": "A",
            "step": 4
          }],
          "thresholds": "1,5",
          "title": "Local Storage Memory Series",
          "type": "singlestat",
          "valueFontSize": "70%",
          "valueMaps": [],
          "valueName": "current",
          "mappingTypes": [{
            "name": "value to text",
            "value": 1
          }, {
            "name": "range to text",
            "value": 2
          }],
          "rangeMaps": [{
            "from": "null",
            "to": "null",
            "text": "N/A"
          }],
          "mappingType": 1,
          "gauge": {
            "show": false,
            "minValue": 0,
            "maxValue": 100,
            "thresholdMarkers": true,
            "thresholdLabels": false
          }
        }, {
          "cacheTimeout": null,
          "colorBackground": false,
          "colorValue": true,
          "colors": ["rgba(50, 172, 45, 0.97)", "rgba(237, 129, 40, 0.89)", "rgba(245, 54, 54, 0.9)"],
          "datasource": "${DS_PROMETHEUS}",
          "editable": true,
          "error": false,
          "format": "none",
          "id": 7,
          "interval": null,
          "links": [],
          "maxDataPoints": 100,
          "nullPointMode": "connected",
          "nullText": null,
          "postfix": "",
          "postfixFontSize": "50%",
          "prefix": "",
          "prefixFontSize": "50%",
          "span": 3,
          "sparkline": {
            "fillColor": "rgba(31, 118, 189, 0.18)",
            "full": false,
            "lineColor": "rgb(31, 120, 193)",
            "show": true
          },
          "targets": [{
            "expr": "prometheus_local_storage_indexing_queue_length",
            "intervalFactor": 2,
            "refId": "A",
            "step": 4
          }],
          "thresholds": "500,4000",
          "title": "Internal Storage Queue Length",
          "type": "singlestat",
          "valueFontSize": "70%",
          "valueMaps": [{
            "op": "=",
            "text": "Empty",
            "value": "0"
          }],
          "valueName": "current",
          "mappingTypes": [{
            "name": "value to text",
            "value": 1
          }, {
            "name": "range to text",
            "value": 2
          }],
          "rangeMaps": [{
            "from": "null",
            "to": "null",
            "text": "N/A"
          }],
          "mappingType": 1,
          "gauge": {
            "show": false,
            "minValue": 0,
            "maxValue": 100,
            "thresholdMarkers": true,
            "thresholdLabels": false
          }
        }, {
          "content": "<img src=\"http://prometheus.io/assets/prometheus_logo_grey.svg\" alt=\"Prometheus logo\" style=\"height: 40px;\">\n<span style=\"font-family: 'Open Sans', 'Helvetica Neue', Helvetica; font-size: 25px;vertical-align: text-top;color: #bbbfc2;margin-left: 10px;\">Prometheus</span>\n\n<p style=\"margin-top: 10px;\">You're using Prometheus, an open-source systems monitoring and alerting toolkit originally built at SoundCloud. For more information, check out the <a href=\"http://www.grafana.org/\">Grafana</a> and <a href=\"http://prometheus.io/\">Prometheus</a> projects.</p>",
          "editable": true,
          "error": false,
          "id": 9,
          "links": [],
          "mode": "html",
          "span": 3,
          "style": {},
          "title": "",
          "transparent": true,
          "type": "text"
        }],
        "title": "New row"
      }, {
        "collapse": false,
        "editable": true,
        "height": 227,
        "panels": [{
          "aliasColors": {
            "prometheus": "#C15C17",
            "{instance=\"localhost:9090\",job=\"prometheus\"}": "#C15C17"
          },
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "editable": true,
          "error": false,
          "fill": 1,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)"
          },
          "id": 3,
          "legend": {
            "avg": false,
            "current": false,
            "max": false,
            "min": false,
            "show": true,
            "total": false,
            "values": false
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "connected",
          "percentage": false,
          "pointradius": 2,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 9,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "rate(prometheus_local_storage_ingested_samples_total[5m])",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{job}}",
            "metric": "",
            "refId": "A",
            "step": 2
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Samples ingested (rate-5m)",
          "tooltip": {
            "shared": true,
            "value_type": "cumulative",
            "ordering": "alphabetical",
            "msResolution": false
          },
          "type": "graph",
          "yaxes": [{
            "show": true,
            "min": null,
            "max": null,
            "logBase": 1,
            "format": "short"
          }, {
            "show": true,
            "min": null,
            "max": null,
            "logBase": 1,
            "format": "short"
          }],
          "xaxis": {
            "show": true
          }
        }, {
          "content": "#### Samples Ingested\nThis graph displays the count of samples ingested by the Prometheus server, as measured over the last 5 minutes, per time series in the range vector. When troubleshooting an issue on IRC or Github, this is often the first stat requested by the Prometheus team. ",
          "editable": true,
          "error": false,
          "id": 8,
          "links": [],
          "mode": "markdown",
          "span": 2.995914043583536,
          "style": {},
          "title": "",
          "transparent": true,
          "type": "text"
        }],
        "title": "New row"
      }, {
        "collapse": false,
        "editable": true,
        "height": "250px",
        "panels": [{
          "aliasColors": {
            "prometheus": "#F9BA8F",
            "{instance=\"localhost:9090\",interval=\"5s\",job=\"prometheus\"}": "#F9BA8F"
          },
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "editable": true,
          "error": false,
          "fill": 1,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)"
          },
          "id": 2,
          "legend": {
            "avg": false,
            "current": false,
            "max": false,
            "min": false,
            "show": true,
            "total": false,
            "values": false
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "connected",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 5,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "rate(prometheus_target_interval_length_seconds_count[5m])",
            "intervalFactor": 2,
            "legendFormat": "{{job}}",
            "refId": "A",
            "step": 2
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Target Scrapes (last 5m)",
          "tooltip": {
            "shared": true,
            "value_type": "cumulative",
            "ordering": "alphabetical",
            "msResolution": false
          },
          "type": "graph",
          "yaxes": [{
            "show": true,
            "min": null,
            "max": null,
            "logBase": 1,
            "format": "short"
          }, {
            "show": true,
            "min": null,
            "max": null,
            "logBase": 1,
            "format": "short"
          }],
          "xaxis": {
            "show": true
          }
        }, {
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "editable": true,
          "error": false,
          "fill": 1,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)"
          },
          "id": 14,
          "legend": {
            "avg": false,
            "current": false,
            "max": false,
            "min": false,
            "show": true,
            "total": false,
            "values": false
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "connected",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 4,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "prometheus_target_interval_length_seconds{quantile!=\"0.01\", quantile!=\"0.05\"}",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{quantile}} ({{interval}})",
            "metric": "",
            "refId": "A",
            "step": 2
          }],
          "timeFrom": null,
          "timeShift": null,
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          "tooltip": {
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            "max": null,
            "logBase": 1,
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          "xaxis": {
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        }, {
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          "error": false,
          "id": 11,
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          "title": "",
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      }, {
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        "editable": true,
        "height": "250px",
        "panels": [{
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          "error": false,
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            "threshold1Color": "rgba(216, 200, 27, 0.27)",
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            "threshold2Color": "rgba(234, 112, 112, 0.22)"
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            "total": false,
            "values": false
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          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "connected",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
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          "stack": false,
          "steppedLine": false,
          "targets": [{
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            "max": null,
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          "xaxis": {
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          "error": false,
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      "timepicker": {
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        "refresh_intervals": ["5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "2h", "1d"],
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      "templating": {
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      "annotations": {
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      },
      "refresh": false,
      "schemaVersion": 12,
      "version": 0,
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        "targetBlank": true,
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        "url": "http://www.grafana.org/docs"
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        "icon": "info",
        "tags": [],
        "targetBlank": true,
        "title": "Prometheus Docs",
        "type": "link",
        "url": "http://prometheus.io/docs/introduction/overview/"
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      "gnetId": 2,
      "description": "The  official, pre-built Prometheus Stats Dashboard."
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          "span": 2,
          "sparkline": {
            "fillColor": "rgba(31, 118, 189, 0.18)",
            "full": false,
            "lineColor": "rgb(31, 120, 193)",
            "show": false
          },
          "targets": [{
            "expr": "sum (container_fs_limit_bytes{id=\"/\",instance=~\"^$instance$\"})",
            "interval": "10s",
            "intervalFactor": 1,
            "refId": "A",
            "step": 10
          }],
          "thresholds": "",
          "timeFrom": "1m",
          "title": "Total",
          "type": "singlestat",
          "valueFontSize": "50%",
          "valueMaps": [{
            "op": "=",
            "text": "N/A",
            "value": "null"
          }],
          "valueName": "current"
        }, {
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "decimals": 2,
          "editable": true,
          "error": false,
          "fill": 1,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)",
            "thresholdLine": false
          },
          "height": "200px",
          "id": 32,
          "isNew": true,
          "legend": {
            "alignAsTable": true,
            "avg": true,
            "current": true,
            "max": false,
            "min": false,
            "rightSide": true,
            "show": true,
            "sideWidth": 200,
            "sort": "current",
            "sortDesc": true,
            "total": false,
            "values": true
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "connected",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 12,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "sum(rate(container_network_receive_bytes_total{instance=~\"^$instance$\",namespace=~\"^$namespace$\"}[1m]))",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "receive",
            "metric": "network",
            "refId": "A",
            "step": 240
          }, {
            "expr": "- sum(rate(container_network_transmit_bytes_total{instance=~\"^$instance$\",namespace=~\"^$namespace$\"}[1m]))",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "transmit",
            "metric": "network",
            "refId": "B",
            "step": 240
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Network",
          "tooltip": {
            "msResolution": false,
            "shared": true,
            "sort": 0,
            "value_type": "cumulative"
          },
          "transparent": false,
          "type": "graph",
          "xaxis": {
            "show": true
          },
          "yaxes": [{
            "format": "Bps",
            "label": "transmit / receive",
            "logBase": 1,
            "max": null,
            "min": null,
            "show": true
          }, {
            "format": "Bps",
            "label": null,
            "logBase": 1,
            "max": null,
            "min": null,
            "show": false
          }]
        }],
        "showTitle": true,
        "title": "all pods"
      }, {
        "collapse": false,
        "editable": true,
        "height": "250px",
        "panels": [{
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "decimals": 3,
          "editable": true,
          "error": false,
          "fill": 0,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)"
          },
          "height": "",
          "id": 17,
          "isNew": true,
          "legend": {
            "alignAsTable": true,
            "avg": true,
            "current": true,
            "hideEmpty": true,
            "hideZero": true,
            "max": false,
            "min": false,
            "rightSide": true,
            "show": true,
            "sideWidth": null,
            "sort": "current",
            "sortDesc": true,
            "total": false,
            "values": true
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "connected",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 12,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "sum(rate(container_cpu_usage_seconds_total{image!=\"\",name=~\"^k8s_.*\"}[1m])) by (pod_name)",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{ pod_name }}",
            "metric": "container_cpu",
            "refId": "A",
            "step": 240
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Cpu Usage",
          "tooltip": {
            "msResolution": true,
            "shared": false,
            "sort": 2,
            "value_type": "cumulative"
          },
          "transparent": false,
          "type": "graph",
          "xaxis": {
            "show": true
          },
          "yaxes": [{
            "format": "none",
            "label": "cores",
            "logBase": 1,
            "max": null,
            "min": null,
            "show": true
          }, {
            "format": "short",
            "label": null,
            "logBase": 1,
            "max": null,
            "min": null,
            "show": false
          }]
        }, {
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "decimals": 2,
          "editable": true,
          "error": false,
          "fill": 0,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)"
          },
          "id": 33,
          "isNew": true,
          "legend": {
            "alignAsTable": true,
            "avg": true,
            "current": true,
            "hideEmpty": true,
            "hideZero": true,
            "max": false,
            "min": false,
            "rightSide": true,
            "show": true,
            "sideWidth": null,
            "sort": "current",
            "sortDesc": true,
            "total": false,
            "values": true
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "null",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 12,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "sum (container_memory_working_set_bytes{image!=\"\",name=~\"^k8s_.*\",instance=~\"^$instance$\",namespace=~\"^$namespace$\"}) by (pod_name)",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{ pod_name }}",
            "metric": "",
            "refId": "A",
            "step": 240
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Memory Working Set",
          "tooltip": {
            "msResolution": false,
            "shared": false,
            "sort": 2,
            "value_type": "cumulative"
          },
          "type": "graph",
          "xaxis": {
            "show": true
          },
          "yaxes": [{
            "format": "bytes",
            "label": "used",
            "logBase": 1,
            "max": null,
            "min": null,
            "show": true
          }, {
            "format": "short",
            "label": null,
            "logBase": 1,
            "max": null,
            "min": null,
            "show": false
          }]
        }, {
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "decimals": 2,
          "editable": true,
          "error": false,
          "fill": 1,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)"
          },
          "id": 16,
          "isNew": true,
          "legend": {
            "alignAsTable": true,
            "avg": true,
            "current": true,
            "hideEmpty": true,
            "hideZero": true,
            "max": false,
            "min": false,
            "rightSide": true,
            "show": true,
            "sideWidth": 200,
            "sort": "avg",
            "sortDesc": true,
            "total": false,
            "values": true
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "null",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 12,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "sum (rate (container_network_receive_bytes_total{image!=\"\",name=~\"^k8s_.*\",instance=~\"^$instance$\",namespace=~\"^$namespace$\"}[1m])) by (pod_name)",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{ pod_name }} < in",
            "metric": "network",
            "refId": "A",
            "step": 240
          }, {
            "expr": "- sum (rate (container_network_transmit_bytes_total{image!=\"\",name=~\"^k8s_.*\",instance=~\"^$instance$\",namespace=~\"^$namespace$\"}[1m])) by (pod_name)",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{ pod_name }} > out",
            "metric": "network",
            "refId": "B",
            "step": 240
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Network",
          "tooltip": {
            "msResolution": false,
            "shared": false,
            "sort": 2,
            "value_type": "cumulative"
          },
          "type": "graph",
          "xaxis": {
            "show": true
          },
          "yaxes": [{
            "format": "Bps",
            "label": "transmit / receive",
            "logBase": 1,
            "max": null,
            "min": null,
            "show": true
          }, {
            "format": "short",
            "label": null,
            "logBase": 1,
            "max": null,
            "min": null,
            "show": false
          }]
        }, {
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "decimals": 2,
          "editable": true,
          "error": false,
          "fill": 1,
          "grid": {
            "threshold1": null,
            "threshold1Color": "rgba(216, 200, 27, 0.27)",
            "threshold2": null,
            "threshold2Color": "rgba(234, 112, 112, 0.22)"
          },
          "id": 34,
          "isNew": true,
          "legend": {
            "alignAsTable": true,
            "avg": true,
            "current": true,
            "hideEmpty": true,
            "hideZero": true,
            "max": false,
            "min": false,
            "rightSide": true,
            "show": true,
            "sideWidth": 200,
            "sort": "current",
            "sortDesc": true,
            "total": false,
            "values": true
          },
          "lines": true,
          "linewidth": 2,
          "links": [],
          "nullPointMode": "null",
          "percentage": false,
          "pointradius": 5,
          "points": false,
          "renderer": "flot",
          "seriesOverrides": [],
          "span": 12,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "sum(container_fs_usage_bytes{image!=\"\",name=~\"^k8s_.*\",instance=~\"^$instance$\",namespace=~\"^$namespace$\"}) by (pod_name)",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{ pod_name }}",
            "metric": "network",
            "refId": "A",
            "step": 240
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Filesystem",
          "tooltip": {
            "msResolution": false,
            "shared": false,
            "sort": 2,
            "value_type": "cumulative"
          },
          "type": "graph",
          "xaxis": {
            "show": true
          },
          "yaxes": [{
            "format": "bytes",
            "label": "used",
            "logBase": 1,
            "max": null,
            "min": null,
            "show": true
          }, {
            "format": "short",
            "label": null,
            "logBase": 1,
            "max": null,
            "min": null,
            "show": false
          }]
        }],
        "showTitle": true,
        "title": "each pod"
      }],
      "time": {
        "from": "now-3d",
        "to": "now"
      },
      "timepicker": {
        "refresh_intervals": [
          "5s",
          "10s",
          "30s",
          "1m",
          "5m",
          "15m",
          "30m",
          "1h",
          "2h",
          "1d"
        ],
        "time_options": [
          "5m",
          "15m",
          "1h",
          "6h",
          "12h",
          "24h",
          "2d",
          "7d",
          "30d"
        ]
      },
      "templating": {
        "list": [{
          "allValue": ".*",
          "current": {},
          "datasource": "${DS_PROMETHEUS}",
          "hide": 0,
          "includeAll": true,
          "label": "Instance",
          "multi": false,
          "name": "instance",
          "options": [],
          "query": "label_values(instance)",
          "refresh": 1,
          "regex": "",
          "type": "query"
        }, {
          "current": {},
          "datasource": "${DS_PROMETHEUS}",
          "hide": 0,
          "includeAll": true,
          "label": "Namespace",
          "multi": true,
          "name": "namespace",
          "options": [],
          "query": "label_values(namespace)",
          "refresh": 1,
          "regex": "",
          "type": "query"
        }]
      },
      "annotations": {
        "list": []
      },
      "refresh": false,
      "schemaVersion": 12,
      "version": 8,
      "links": [],
      "gnetId": 737
    }
  prometheus-datasource.json: |
    {
      "name": "prometheus",
      "type": "prometheus",
      "url": "http://prometheus:9090",
      "access": "proxy",
      "basicAuth": false
    }

kubectl apply -f grafana-net-2-dashboard-configmap.yml

部署 Grafana Server 的 Deployment

vim grafana-deploy.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana-core
  namespace: monitoring
  labels:
    app: grafana
    component: core
spec:
  replicas: 1
  selector:
    matchLabels:
      app: grafana
      component: core
  template:
    metadata:
      labels:
        app: grafana
        component: core
    spec:
      containers:
      - image: grafana/grafana:4.2.0
        name: grafana-core
        imagePullPolicy: IfNotPresent
        resources:
          limits:
            cpu: 100m
            memory: 100Mi
          requests:
            cpu: 100m
            memory: 100Mi
        env:
          - name: GF_AUTH_BASIC_ENABLED
            value: "true"
          - name: GF_SECURITY_ADMIN_USER
            valueFrom:
              secretKeyRef:
                name: grafana
                key: admin-username
          - name: GF_SECURITY_ADMIN_PASSWORD
            valueFrom:
              secretKeyRef:
                name: grafana
                key: admin-password
          - name: GF_AUTH_ANONYMOUS_ENABLED
            value: "false"
        readinessProbe:
          httpGet:
            path: /login
            port: 3000
        volumeMounts:
        - name: grafana-persistent-storage
          mountPath: /var/lib/grafana
      volumes:
      - name: grafana-persistent-storage
        emptyDir: {}

kubectl apply -f grafana-deploy.yml

部署 Grafana Server 的 Service

vim grafana-service.yml

apiVersion: v1
kind: Service
metadata:
  name: grafana
  namespace: monitoring
  labels:
    app: grafana
    component: core
spec:
  type: NodePort
  ports:
    - port: 3000
  selector:
    app: grafana
    component: core

kubectl apply -f grafana-service.yml