12 kubernetes 監(jiān)控(三)

監(jiān)控博客應(yīng)用

給 kubeblog springboot 應(yīng)用添加監(jiān)控項(xiàng)

vim pom.xml
<!--配置Prometheus的監(jiān)控-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>io.micrometer</groupId>
            <artifactId>micrometer-registry-prometheus</artifactId>
        </dependency>

重新打包

mvn package

登錄 jcr

docker login 192.168.190.131:8081

重新構(gòu)建鏡像

docker build -t 192.168.190.131:8081/docker-local/kubeblog:1.2 .

添加 latest 標(biāo)簽

docker tag 192.168.190.131:8081/docker-local/kubeblog:1.2 192.168.190.131:8081/docker-local/kubeblog:latest

推送到 jcr

docker push 192.168.190.131:8081/docker-local/kubeblog:1.2
docker push 192.168.190.131:8081/docker-local/kubeblog:latest

更新 helm chart

修改 value.yaml 文件中的 image 的 tag 為 latest

打包 helm chart

helm package kubeblog

部署新版本 helm chart

helm install kubeblog kubeblog-0.1.2.tgz

訪問博客應(yīng)用:http://192.168.190.132:30002/

博客應(yīng)用監(jiān)控?cái)?shù)據(jù):http://192.168.190.132:30002/actuator/prometheus

prometheus 監(jiān)控博客應(yīng)用

清理命名空間

kubectl delete ns monitoring

開始

看一下現(xiàn)在有什么

kubectl get po
NAME                        READY   STATUS    RESTARTS   AGE
kubeblog-7d9b64cb96-rz6cc   1/1     Running   2          15m
kubeblog-7d9b64cb96-v94kx   1/1     Running   6          15m
kubeblog-7d9b64cb96-zt5sv   1/1     Running   3          15m
mysql-0                     1/1     Running   0          15m

部署 prometheus

vim springboot-all-in-one.yml
apiVersion: v1
kind: Namespace
metadata:
  name: monitoring
---
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
---
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
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: kubeblog-config
  namespace: monitoring
data:
  prometheus.yaml: |
    global:
      scrape_interval:     10s 
      evaluation_interval: 10s 
    alerting:
      alertmanagers:
      - static_configs:
        - targets:
    rule_files:
    scrape_configs:
      - job_name: 'prometheus'
        static_configs:
        - targets: ['192.168.190.132:30091']
      - job_name: 'spring-actuator'
        metrics_path: '/actuator/prometheus'
        scrape_interval: 5s
        static_configs:
        - targets: ['192.168.190.132:30002']
---
apiVersion: v1
kind: Secret
data:
  admin-password: YWRtaW4=
  admin-username: YWRtaW4=
metadata:
  name: grafana
  namespace: monitoring
type: Opaque
---
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
      volumes:
      - name: config-volume
        configMap:
          name: kubeblog-config

kubectl apply -f springboot-all-in-one.yml

可以看到

namespace/monitoring created
clusterrolebinding.rbac.authorization.k8s.io/prometheus unchanged
clusterrole.rbac.authorization.k8s.io/prometheus unchanged
serviceaccount/prometheus-k8s created
service/prometheus created
configmap/kubeblog-config created
secret/grafana created
deployment.apps/prometheus-core created

部署 Grafana

vim grafana-all-in-one.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,
          "title": "Scrape Duration",
          "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": "#### Scrapes\nPrometheus scrapes metrics from instrumented jobs, either directly or via an intermediary push gateway for short-lived jobs. Target scrapes will show how frequently targets are scraped, as measured over the last 5 minutes, per time series in the range vector. Scrape Duration will show how long the scrapes are taking, with percentiles available as series. ",
          "editable": true,
          "error": false,
          "id": 11,
          "links": [],
          "mode": "markdown",
          "span": 3,
          "style": {},
          "title": "",
          "transparent": true,
          "type": "text"
        }],
        "title": "New row"
      }, {
        "collapse": false,
        "editable": true,
        "height": "250px",
        "panels": [{
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_PROMETHEUS}",
          "decimals": null,
          "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": 12,
          "legend": {
            "alignAsTable": false,
            "avg": false,
            "current": false,
            "hideEmpty": true,
            "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": 9,
          "stack": false,
          "steppedLine": false,
          "targets": [{
            "expr": "prometheus_evaluator_duration_milliseconds{quantile!=\"0.01\", quantile!=\"0.05\"}",
            "interval": "",
            "intervalFactor": 2,
            "legendFormat": "{{quantile}}",
            "refId": "A",
            "step": 2
          }],
          "timeFrom": null,
          "timeShift": null,
          "title": "Rule Eval Duration",
          "tooltip": {
            "shared": true,
            "value_type": "cumulative",
            "ordering": "alphabetical",
            "msResolution": false
          },
          "type": "graph",
          "yaxes": [{
            "show": true,
            "min": null,
            "max": null,
            "logBase": 1,
            "format": "percentunit",
            "label": ""
          }, {
            "show": true,
            "min": null,
            "max": null,
            "logBase": 1,
            "format": "short"
          }],
          "xaxis": {
            "show": true
          }
        }, {
          "content": "#### Rule Evaluation Duration\nThis graph panel plots the duration for all evaluations to execute. The 50th percentile, 90th percentile and 99th percentile are shown as three separate series to help identify outliers that may be skewing the data.",
          "editable": true,
          "error": false,
          "id": 15,
          "links": [],
          "mode": "markdown",
          "span": 3,
          "style": {},
          "title": "",
          "transparent": true,
          "type": "text"
        }],
        "title": "New row"
      }],
      "time": {
        "from": "now-5m",
        "to": "now"
      },
      "timepicker": {
        "now": true,
        "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": []
      },
      "annotations": {
        "list": []
      },
      "refresh": false,
      "schemaVersion": 12,
      "version": 0,
      "links": [{
        "icon": "info",
        "tags": [],
        "targetBlank": true,
        "title": "Grafana Docs",
        "tooltip": "",
        "type": "link",
        "url": "http://www.grafana.org/docs"
      }, {
        "icon": "info",
        "tags": [],
        "targetBlank": true,
        "title": "Prometheus Docs",
        "type": "link",
        "url": "http://prometheus.io/docs/introduction/overview/"
      }],
      "gnetId": 2,
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          "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
    }
---
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
---
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: {}
---
apiVersion: batch/v1
kind: Job
metadata:
  name: grafana-import-dashboards
  namespace: monitoring
  labels:
    app: grafana
    component: import-dashboards
spec:
  template:
    metadata:
      name: grafana-import-dashboards
      labels:
        app: grafana
        component: import-dashboards
    spec:
      serviceAccountName: prometheus-k8s
      initContainers:
      - name: wait-for-grafana
        image: giantswarm/tiny-tools
        args:
        - /bin/sh
        - -c
        - >
          set -x;
          while [ $(curl -sw '%{http_code}' "http://grafana:3000" -o /dev/null) -ne 200]; do
            echo '.'
            sleep 15;
          done
      containers:
      - name: grafana-import-dashboards
        image: giantswarm/tiny-tools
        command: ["/bin/sh", "-c"]
        workingDir: /opt/grafana-import-dashboards
        args:
          - >
            for file in *-datasource.json ; do
              if [ -e "$file" ] ; then
                echo "importing $file" &&
                curl --silent --fail --show-error \
                  --request POST http://${GF_ADMIN_USER}:${GF_ADMIN_PASSWORD}@grafana:3000/api/datasources \
                  --header "Content-Type: application/json" \
                  --data-binary "@$file" ;
                echo "" ;
              fi
            done ;
            for file in *-dashboard.json ; do
              if [ -e "$file" ] ; then
                echo "importing $file" &&
                ( echo '{"dashboard":'; \
                  cat "$file"; \
                  echo ',"overwrite":true,"inputs":[{"name":"DS_PROMETHEUS","type":"datasource","pluginId":"prometheus","value":"prometheus"}]}' ) \
                | jq -c '.' \
                | curl --silent --fail --show-error \
                  --request POST http://${GF_ADMIN_USER}:${GF_ADMIN_PASSWORD}@grafana:3000/api/dashboards/import \
                  --header "Content-Type: application/json" \
                  --data-binary "@-" ;
                echo "" ;
              fi
            done

        env:
        - name: GF_ADMIN_USER
          valueFrom:
            secretKeyRef:
              name: grafana
              key: admin-username
        - name: GF_ADMIN_PASSWORD
          valueFrom:
            secretKeyRef:
              name: grafana
              key: admin-password
        volumeMounts:
        - name: config-volume
          mountPath: /opt/grafana-import-dashboards
      restartPolicy: Never
      volumes:
      - name: config-volume
        configMap:
          name: grafana-import-dashboards

kubectl apply -f grafana-all-in-one.yml

可以看到

configmap/grafana-import-dashboards created
service/grafana created
deployment.apps/grafana-core created
job.batch/grafana-import-dashboards created

查看一下服務(wù)

kubectl get svc -n monitoring

可以看到

NAME         TYPE       CLUSTER-IP    EXTERNAL-IP   PORT(S)          AGE
grafana      NodePort   10.1.8.205    <none>        3000:31582/TCP   102s
prometheus   NodePort   10.1.100.20   <none>        9090:30091/TCP   9m58s

訪問 grafana:http://192.168.190.132:31582/ ,用戶名和密碼默認(rèn)都是 admin

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