Qlik Sense Enterprise on Kubernetes での監視メトリック
すべての Qlik Sense Enterprise on Kubernetes サービスは、アクティビティ、正常性、パフォーマンスのデータの監視に使用可能なメトリックを公開します。
それらのデータは、オープン ソースのコンポーネントを使用して表示および照合することが可能です。以下の例は、Prometheus と Grafana を使用してメトリックをリアルタイムで収集および分析する方法を示しています。
Prometheus を使用したメトリックの表示
Prometheus は、メトリックの収集および分析に使用可能なツールキットを監視し、アラートを生成するシステムです。設定されたターゲットから所定の間隔でメトリックを収集し、ルール数式を評価し、結果を表示します。条件が満たされた場合にはアラートをトリガーすることもできます。
Prometheus は、サービスに追加された Kubernetes の注釈を探すことによってメトリックを研削します。
prometheus.io/port=8080
prometheus.io/scrape=truePrometheus チャートのインストール
次のコマンドを実行して stable/prometheus チャートをインストールします。
注: RBAC などのクラスターの設定を調整します。
helm upgrade --install prometheus stable/prometheus --set=rbac.create=true,alertmanager.enabled=false,pushgateway.enabled=falseメトリックの表示
次のコマンドによってメトリックを表示します。
export POD_NAME=$(kubectl get pods --namespace default -l "app=prometheus,release=prometheus,component=server" -o jsonpath="{.items[0].metadata.name}")
echo "Visit http://127.0.0.1:9090 to access prometheus"
kubectl port-forward $POD_NAME 9090Grafana を使用したメトリックの表示
Grafana は、メトリックの監視と分析のための別のツールです。
Grafana のインストール
次のコマンドを実行して Grafana をインストールします。
helm upgrade --install grafana stable/grafana -f grafana.yaml上のコマンドで参照されるサンプルの YAML ファイルでは、次の機能を実行できます。
- Prometheus メトリックを見るように Grafana を設定する。
- GO Services ダッシュボードをプリロードして Golang メトリックを公開する。
- 一般的なメトリックを含む Kubernetes ダッシュボードをプリロードする。
- より固有の POD メトリックを含む Kubernetes コンテナー詳細ダッシュボードをプリロードする。
Example:
datasources:
datasources.yaml:
apiVersion: 1
datasources:
- name: Prometheus
type: prometheus
url: http://prometheus-server
access: proxy
isDefault: true
dashboardProviders:
dashboardproviders.yaml:
apiVersion: 1
providers:
- name: 'default'
orgId: 1
folder: ''
type: file
disableDeletion: false
editable: true
options:
path: /var/lib/grafana/dashboards
dashboards:
kubernetes-container-details:
json: |
{
"__inputs": [],
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "5.1.3"
},
{
"type": "panel",
"id": "graph",
"name": "Graph",
"version": "5.0.0"
},
{
"type": "panel",
"id": "singlestat",
"name": "Singlestat",
"version": "5.0.0"
}
],
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": "-- Grafana --",
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
}
]
},
"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.",
"editable": true,
"gnetId": 315,
"graphTooltip": 0,
"id": null,
"iteration": 1529438741801,
"links": [
{
"icon": "external link",
"tags": [],
"targetBlank": true,
"title": "Kubernetes QoS",
"type": "link",
"url": "https://kubernetes.io/docs/tasks/configure-pod-container/quality-service-pod/#qos-classes"
}
],
"panels": [
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 0
},
"id": 62,
"panels": [],
"title": "QoS (Experimental)",
"type": "row"
},
{
"cacheTimeout": null,
"colorBackground": true,
"colorValue": false,
"colors": [
"#d44a3a",
"rgba(237, 129, 40, 0.89)",
"#299c46"
],
"datasource": "$datasource",
"format": "decbytes",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 2,
"w": 3,
"x": 0,
"y": 1
},
"id": 54,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "kube_pod_container_resource_requests_memory_bytes{container=~\"$containername\",pod=~'$podname'}",
"format": "time_series",
"instant": true,
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "0,1",
"title": "Memory Request",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "current"
},
{
"cacheTimeout": null,
"colorBackground": true,
"colorValue": false,
"colors": [
"#d44a3a",
"rgba(237, 129, 40, 0.89)",
"#299c46"
],
"datasource": "$datasource",
"format": "decbytes",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 2,
"w": 3,
"x": 3,
"y": 1
},
"id": 55,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "kube_pod_container_resource_limits_memory_bytes{container=~\"$containername\",pod=~'$podname'}",
"format": "time_series",
"instant": false,
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "1,2",
"title": "Memory Limit",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "current"
},
{
"cacheTimeout": null,
"colorBackground": true,
"colorValue": false,
"colors": [
"#d44a3a",
"#cca300",
"#299c46"
],
"datasource": "$datasource",
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 2,
"w": 3,
"x": 6,
"y": 1
},
"id": 56,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "\n(\nkube_pod_container_resource_limits_memory_bytes{container=~\"$containername\",pod=~'$podname'} == bool\nkube_pod_container_resource_requests_memory_bytes{container=~\"$containername\",pod=~'$podname'}\n) +\n(\nkube_pod_container_resource_limits_memory_bytes{container=~\"$containername\",pod=~'$podname'} >= bool 1 and\nkube_pod_container_resource_requests_memory_bytes{container=~\"$containername\",pod=~'$podname'} >= bool 1\n)\n",
"format": "time_series",
"hide": false,
"instant": true,
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "1,2",
"title": "QoS Guaranteed",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
},
{
"op": "=",
"text": "1-No",
"value": "1"
},
{
"op": "=",
"text": "Yes",
"value": "2"
},
{
"op": "=",
"text": "0-No",
"value": "0"
}
],
"valueName": "current"
},
{
"cacheTimeout": null,
"colorBackground": true,
"colorValue": false,
"colors": [
"#d44a3a",
"#cca300",
"#299c46"
],
"datasource": "$datasource",
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 2,
"w": 3,
"x": 9,
"y": 1
},
"id": 57,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "\n(\nkube_pod_container_resource_limits_memory_bytes{container=~\"$containername\",pod=~'$podname'} != bool\nkube_pod_container_resource_requests_memory_bytes{container=~\"$containername\",pod=~'$podname'}\n) \n+\n(\nkube_pod_container_resource_limits_memory_bytes{container=~\"$containername\",pod=~'$podname'} >= bool 1 and\nkube_pod_container_resource_requests_memory_bytes{container=~\"$containername\",pod=~'$podname'} >= bool 1\n)\n",
"format": "time_series",
"instant": true,
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "1,2",
"title": "QoS Burstable",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
},
{
"op": "=",
"text": "0 - No",
"value": "0"
},
{
"op": "=",
"text": "1 - No",
"value": "1"
},
{
"op": "=",
"text": "2 - Yes",
"value": "2"
}
],
"valueName": "current"
},
{
"cacheTimeout": null,
"colorBackground": true,
"colorValue": false,
"colors": [
"#d44a3a",
"#cca300",
"#299c46"
],
"datasource": "$datasource",
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 2,
"w": 3,
"x": 12,
"y": 1
},
"id": 58,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "1 + \n(kube_pod_container_resource_limits_memory_bytes{container=~\"$containername\",pod=~'$podname'} < bool 1 OR on() vector(1)) +\n(kube_pod_container_resource_requests_memory_bytes{container=~\"$containername\",pod=~'$podname'} < bool 1 OR on() vector(1))",
"format": "time_series",
"hide": false,
"instant": true,
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "1,2",
"title": "QoS BestEffort",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "0 - No",
"value": "0"
},
{
"op": "=",
"text": "1 - No",
"value": "1"
},
{
"op": "=",
"text": "2 - Yes",
"value": "2"
}
],
"valueName": "current"
},
{
"cacheTimeout": null,
"colorBackground": true,
"colorValue": false,
"colors": [
"#d44a3a",
"rgba(237, 129, 40, 0.89)",
"#299c46"
],
"datasource": "$datasource",
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 2,
"w": 3,
"x": 0,
"y": 3
},
"id": 60,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": " Cores",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "kube_pod_container_resource_requests_cpu_cores{container=~\"$containername\",pod=~'$podname'}",
"format": "time_series",
"instant": false,
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "0,0.0001",
"title": "CPU Request",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "current"
},
{
"cacheTimeout": null,
"colorBackground": true,
"colorValue": false,
"colors": [
"#d44a3a",
"rgba(237, 129, 40, 0.89)",
"#299c46"
],
"datasource": "$datasource",
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 2,
"w": 3,
"x": 3,
"y": 3
},
"id": 59,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": " Cores",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "kube_pod_container_resource_limits_cpu_cores{container=~\"$containername\",pod=~'$podname'}",
"format": "time_series",
"instant": false,
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "0,0.0001",
"title": "CPU Limit",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "current"
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 5
},
"id": 39,
"panels": [],
"title": "Containers",
"type": "row"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"decimals": 2,
"editable": true,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 6,
"w": 11,
"x": 0,
"y": 6
},
"id": 27,
"isNew": true,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": false,
"min": false,
"rightSide": false,
"show": true,
"sideWidth": 200,
"sortDesc": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
{
"alias": "Limit",
"color": "#0a437c",
"fill": 5,
"legend": false,
"linewidth": 0,
"zindex": -3
},
{
"alias": "Request",
"color": "#5195ce",
"fill": 5,
"legend": false,
"linewidth": 0,
"zindex": -2
}
],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum (\n container_memory_working_set_bytes{\n image!=\"\",name=~\"^k8s_.*\",\n container_name!=\"POD\",container_name=~\"$containername\",pod_name=~'$podname'\n }\n) \nby (container_name, pod_name)",
"format": "time_series",
"hide": false,
"interval": "10s",
"intervalFactor": 5,
"legendFormat": " {{ container_name }} >> Pod: {{ pod_name }} |",
"metric": "container_memory_usage:sort_desc",
"refId": "A",
"step": 10
},
{
"expr": "sum (\n container_memory_working_set_bytes{\n image!=\"\",name=~\"^k8s_.*\",\n container_name!=\"POD\",container_name=~\"$containername\",pod_name=~'$podname'\n }\n)\nby (kubernetes_io_hostname, name, image)",
"format": "time_series",
"hide": false,
"interval": "10s",
"intervalFactor": 5,
"legendFormat": "docker: {{ kubernetes_io_hostname }} | {{ image }} ({{ name }})",
"metric": "container_memory_usage:sort_desc",
"refId": "B",
"step": 10
},
{
"expr": "sum(\n kube_pod_container_resource_limits_memory_bytes{\n container=~\"$containername\"\n }\n)\nby (pod)",
"format": "time_series",
"hide": false,
"instant": false,
"intervalFactor": 5,
"legendFormat": "Limit",
"refId": "C"
},
{
"expr": "sum(\n kube_pod_container_resource_requests_memory_bytes{\n container=~\"$containername\"\n }\n)\nby (pod)",
"format": "time_series",
"hide": false,
"instant": false,
"intervalFactor": 5,
"legendFormat": "Request",
"refId": "D"
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Containers memory usage",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "decbytes",
"label": null,
"logBase": 1,
"max": null,
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"decimals": 3,
"editable": true,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 6,
"w": 11,
"x": 11,
"y": 6
},
"height": "",
"id": 24,
"isNew": true,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"hideEmpty": false,
"hideZero": false,
"max": false,
"min": false,
"rightSide": false,
"show": true,
"sideWidth": null,
"sortDesc": false,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
{
"alias": "Request",
"color": "#1f78c1",
"fill": 5,
"legend": false,
"linewidth": 0,
"zindex": -3
},
{
"alias": "Limit",
"color": "#0a437c",
"fill": 5,
"legend": false,
"linewidth": 0,
"zindex": -1
},
{
"alias": "CPU Throttle",
"color": "#bf1b00"
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],
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"values": true
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": true,
"targets": [
{
"expr": "sum (rate (container_cpu_usage_seconds_total{image!=\"\",name=~\"^k8s_.*\",container_name!=\"POD\",kubernetes_io_hostname=~\"^$Node$\"}[5m])) by (container_name, pod_name)",
"format": "time_series",
"hide": false,
"interval": "10s",
"intervalFactor": 10,
"legendFormat": "pod: {{ pod_name }} | {{ container_name }}",
"metric": "container_cpu",
"refId": "A",
"step": 10
},
{
"expr": "sum (rate (container_cpu_usage_seconds_total{image!=\"\",name!~\"^k8s_.*\",kubernetes_io_hostname=~\"^$Node$\"}[5m])) by (kubernetes_io_hostname, name, image)",
"format": "time_series",
"hide": false,
"interval": "10s",
"intervalFactor": 10,
"legendFormat": "docker: {{ kubernetes_io_hostname }} | {{ image }} ({{ name }})",
"metric": "container_cpu",
"refId": "B",
"step": 10
},
{
"expr": "sum (rate (container_cpu_usage_seconds_total{rkt_container_name!=\"\",kubernetes_io_hostname=~\"^$Node$\"}[5m])) by (kubernetes_io_hostname, rkt_container_name)",
"format": "time_series",
"interval": "10s",
"intervalFactor": 10,
"legendFormat": "rkt: {{ kubernetes_io_hostname }} | {{ rkt_container_name }}",
"metric": "container_cpu",
"refId": "C",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Containers CPU usage",
"tooltip": {
"msResolution": true,
"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"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
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
}
],
"title": "Containers CPU usage",
"type": "row"
},
{
"collapsed": true,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 10
},
"id": 38,
"panels": [
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"decimals": 3,
"editable": true,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 13,
"w": 24,
"x": 0,
"y": 11
},
"id": 20,
"isNew": true,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": false,
"min": false,
"rightSide": false,
"show": true,
"sort": "current",
"sortDesc": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": true,
"targets": [
{
"expr": "sum (rate (container_cpu_usage_seconds_total{id!=\"/\",kubernetes_io_hostname=~\"^$Node$\"}[5m])) by (id)",
"format": "time_series",
"hide": false,
"interval": "10s",
"intervalFactor": 10,
"legendFormat": "{{ id }}",
"metric": "container_cpu",
"refId": "A",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "All processes CPU usage",
"tooltip": {
"msResolution": true,
"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "none",
"label": "cores",
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"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
}
],
"repeat": null,
"title": "All processes CPU usage",
"type": "row"
},
{
"collapsed": true,
"gridPos": {
"h": 1,
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"y": 11
},
"id": 39,
"panels": [
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"decimals": 2,
"editable": true,
"error": false,
"fill": 0,
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"w": 24,
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"y": 12
},
"id": 25,
"isNew": true,
"legend": {
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"avg": true,
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"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": [],
"spaceLength": 10,
"stack": false,
"steppedLine": true,
"targets": [
{
"expr": "sum (container_memory_working_set_bytes{image!=\"\",name=~\"^k8s_.*\",kubernetes_io_hostname=~\"^$Node$\"}) by (pod_name)",
"format": "time_series",
"interval": "10s",
"intervalFactor": 5,
"legendFormat": "{{ pod_name }}",
"metric": "container_memory_usage:sort_desc",
"refId": "A",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Pods memory usage",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "bytes",
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"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
}
],
"title": "Pods memory usage",
"type": "row"
},
{
"collapsed": true,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 12
},
"id": 41,
"panels": [
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
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"editable": true,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 7,
"w": 24,
"x": 0,
"y": 13
},
"id": 27,
"isNew": true,
"legend": {
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"avg": true,
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"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": [],
"spaceLength": 10,
"stack": false,
"steppedLine": true,
"targets": [
{
"expr": "sum (container_memory_working_set_bytes{image!=\"\",name=~\"^k8s_.*\",container_name!=\"POD\",kubernetes_io_hostname=~\"^$Node$\"}) by (container_name, pod_name)",
"format": "time_series",
"interval": "10s",
"intervalFactor": 5,
"legendFormat": "pod: {{ pod_name }} | {{ container_name }}",
"metric": "container_memory_usage:sort_desc",
"refId": "A",
"step": 10
},
{
"expr": "sum (container_memory_working_set_bytes{image!=\"\",name!~\"^k8s_.*\",kubernetes_io_hostname=~\"^$Node$\"}) by (kubernetes_io_hostname, name, image)",
"format": "time_series",
"interval": "10s",
"intervalFactor": 5,
"legendFormat": "docker: {{ kubernetes_io_hostname }} | {{ image }} ({{ name }})",
"metric": "container_memory_usage:sort_desc",
"refId": "B",
"step": 10
},
{
"expr": "sum (container_memory_working_set_bytes{rkt_container_name!=\"\",kubernetes_io_hostname=~\"^$Node$\"}) by (kubernetes_io_hostname, rkt_container_name)",
"format": "time_series",
"interval": "10s",
"intervalFactor": 5,
"legendFormat": "rkt: {{ kubernetes_io_hostname }} | {{ rkt_container_name }}",
"metric": "container_memory_usage:sort_desc",
"refId": "C",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Containers memory usage",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "bytes",
"label": null,
"logBase": 1,
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"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
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"show": false
}
],
"yaxis": {
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"alignLevel": null
}
}
],
"title": "Containers memory usage",
"type": "row"
},
{
"collapsed": true,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 13
},
"id": 42,
"panels": [
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"decimals": 2,
"editable": true,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 13,
"w": 24,
"x": 0,
"y": 14
},
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"isNew": true,
"legend": {
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"avg": true,
"current": true,
"max": false,
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"sort": "current",
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"total": false,
"values": true
},
"lines": true,
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"pointradius": 5,
"points": false,
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"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": true,
"targets": [
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"expr": "sum (container_memory_working_set_bytes{id!=\"/\",kubernetes_io_hostname=~\"^$Node$\"}) by (id)",
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"interval": "10s",
"intervalFactor": 1,
"legendFormat": "{{ id }}",
"metric": "container_memory_usage:sort_desc",
"refId": "A",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "All processes memory usage",
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"msResolution": false,
"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"type": "graph",
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"buckets": null,
"mode": "time",
"name": null,
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"values": []
},
"yaxes": [
{
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},
{
"format": "short",
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],
"yaxis": {
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"alignLevel": null
}
}
],
"title": "All processes memory usage",
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}
],
"refresh": "5m",
"schemaVersion": 16,
"style": "dark",
"tags": [
"kubernetes"
],
"templating": {
"list": [
{
"current": {
"text": "Prometheus",
"value": "Prometheus"
},
"hide": 0,
"label": null,
"name": "datasource",
"options": [],
"query": "prometheus",
"refresh": 1,
"regex": "",
"type": "datasource"
},
{
"allValue": ".*",
"current": {},
"datasource": "$datasource",
"hide": 0,
"includeAll": true,
"label": null,
"multi": false,
"name": "Node",
"options": [],
"query": "label_values(kubernetes_build_info, kubernetes_io_hostname)",
"refresh": 2,
"regex": "",
"sort": 0,
"tagValuesQuery": "",
"tags": [],
"tagsQuery": "",
"type": "query",
"useTags": false
},
{
"allValue": ".*",
"current": {},
"datasource": "$datasource",
"hide": 0,
"includeAll": true,
"label": null,
"multi": true,
"name": "namespace",
"options": [],
"query": "label_values(namespace)",
"refresh": 2,
"regex": "",
"sort": 5,
"tagValuesQuery": "",
"tags": [],
"tagsQuery": "",
"type": "query",
"useTags": false
}
]
},
"time": {
"from": "now-30m",
"to": "now"
},
"timepicker": {
"refresh_intervals": [
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"5m",
"15m",
"30m",
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"time_options": [
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"7d",
"30d"
]
},
"timezone": "browser",
"title": "Kubernetes",
"uid": "N2Q_tTNmk",
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}
go-services:
json: |
{
"__inputs": [],
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "5.1.3"
},
{
"type": "panel",
"id": "graph",
"name": "Graph",
"version": "5.0.0"
},
{
"type": "panel",
"id": "singlestat",
"name": "Singlestat",
"version": "5.0.0"
}
],
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": "-- Grafana --",
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
}
]
},
"editable": true,
"gnetId": null,
"graphTooltip": 0,
"id": null,
"iteration": 1529435791391,
"links": [],
"panels": [
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 0
},
"id": 27,
"panels": [],
"repeat": null,
"title": "Service uptimes",
"type": "row"
},
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": true,
"colors": [
"rgba(31, 153, 186, 0.97)",
"rgb(30, 198, 44)",
"rgba(223, 183, 33, 0.9)"
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"datasource": "$datasource",
"decimals": 2,
"description": "Minimum (youngest instance) service uptime",
"format": "s",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 4,
"w": 4.8,
"x": 0,
"y": 1
},
"id": 6,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"minSpan": 2,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"repeat": "service",
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "min(time() - process_start_time_seconds{job='$service'}) by (job)",
"format": "time_series",
"intervalFactor": 5,
"legendFormat": "",
"refId": "A",
"step": 600
}
],
"thresholds": "",
"title": "$service uptime",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "current"
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 5
},
"id": 28,
"panels": [],
"repeat": null,
"title": "Dashboard Row",
"type": "row"
},
{
"aliasColors": {},
"bars": true,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
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"fill": 1,
"gridPos": {
"h": 8,
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"x": 0,
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},
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"legend": {
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"avg": false,
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"hideEmpty": true,
"hideZero": true,
"max": false,
"min": false,
"rightSide": false,
"show": false,
"total": false,
"values": false
},
"lines": false,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "avg(time() - process_start_time_seconds{job=~'$service'}) by (job, region)",
"format": "time_series",
"hide": false,
"interval": "",
"intervalFactor": 5,
"legendFormat": "{{job}}",
"refId": "B",
"step": 25
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Go Services Uptime",
"tooltip": {
"shared": false,
"sort": 0,
"value_type": "individual"
},
"transparent": false,
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "series",
"name": null,
"show": true,
"values": [
"current"
]
},
"yaxes": [
{
"format": "dtdurations",
"label": "Uptime",
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "none",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 14
},
"id": 29,
"panels": [],
"repeat": null,
"title": "Dashboard Row",
"type": "row"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
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},
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"hideZero": true,
"max": false,
"min": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
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"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(go_goroutines{job=~'$service'}) by (job)",
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"hide": false,
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}
],
"thresholds": [],
"timeFrom": null,
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"title": "Total No. of Go Routines",
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},
"type": "graph",
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"buckets": null,
"mode": "time",
"name": null,
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},
"yaxes": [
{
"format": "none",
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"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"fill": 1,
"gridPos": {
"h": 7,
"w": 12,
"x": 12,
"y": 15
},
"id": 2,
"legend": {
"avg": true,
"current": false,
"hideEmpty": true,
"hideZero": true,
"max": false,
"min": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(process_open_fds{job=~'$service'}) by (job)",
"format": "time_series",
"hide": false,
"interval": "",
"intervalFactor": 5,
"legendFormat": "{{job}}",
"refId": "A",
"step": 50
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Total No. of Open File Descriptors",
"tooltip": {
"shared": true,
"sort": 2,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "none",
"label": "# of File Descriptors",
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 22
},
"id": 30,
"panels": [],
"repeat": null,
"title": "Dashboard Row",
"type": "row"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"fill": 1,
"gridPos": {
"h": 7,
"w": 12,
"x": 0,
"y": 23
},
"id": 5,
"legend": {
"avg": true,
"current": false,
"hideEmpty": true,
"hideZero": true,
"max": false,
"min": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(process_virtual_memory_bytes{job=~'$service'}) by (job)",
"format": "time_series",
"hide": false,
"interval": "",
"intervalFactor": 5,
"legendFormat": "{{job}}",
"refId": "A",
"step": 50
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Virtual Memory Usage",
"tooltip": {
"shared": true,
"sort": 2,
"value_type": "individual"
},
"transparent": false,
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "decbytes",
"label": "Virtual Memory",
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": "",
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"fill": 1,
"gridPos": {
"h": 7,
"w": 12,
"x": 12,
"y": 23
},
"id": 4,
"legend": {
"avg": true,
"current": false,
"hideEmpty": true,
"hideZero": true,
"max": false,
"min": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(process_resident_memory_bytes{job=~'$service'}) by (job)",
"format": "time_series",
"hide": false,
"interval": "",
"intervalFactor": 5,
"legendFormat": "{{job}}",
"refId": "A",
"step": 50
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Resident Memory Usage (RAM)",
"tooltip": {
"shared": true,
"sort": 2,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "decbytes",
"label": "Resident Memory (RAM)",
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": "",
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
}
],
"refresh": false,
"schemaVersion": 16,
"style": "dark",
"tags": [
"go",
"service",
"docker"
],
"templating": {
"list": [
{
"current": {
"text": "Prometheus",
"value": "Prometheus"
},
"hide": 0,
"label": "Data Source",
"name": "datasource",
"options": [],
"query": "prometheus",
"refresh": 1,
"regex": "",
"type": "datasource"
},
{
"allValue": null,
"current": {},
"datasource": "$datasource",
"hide": 0,
"includeAll": true,
"label": "Service",
"multi": true,
"name": "service",
"options": [],
"query": "label_values(go_goroutines, job)",
"refresh": 2,
"regex": "",
"sort": 1,
"tagValuesQuery": "",
"tags": [],
"tagsQuery": "",
"type": "query",
"useTags": false
}
]
},
"time": {
"from": "now-3h",
"to": "now"
},
"timepicker": {
"refresh_intervals": [
"1m",
"5m",
"15m",
"30m",
"1h",
"2h",
"1d"
],
"time_options": [
"5m",
"15m",
"1h",
"6h",
"12h",
"24h",
"2d",
"7d",
"30d"
]
},
"timezone": "",
"title": "Go Services",
"uid": "v-lW2oNmz",
"version": 3
}メトリックの表示
次のコマンドを実行して管理者ユーザーのパスワードを取得します。
kubectl get secret --namespace default grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo同じシェルで、次のコマンドを実行して Grafana の URL を取得します。
export POD_NAME=$(kubectl get pods --namespace default -l "app=grafana,release=grafana" -o jsonpath="{.items[0].metadata.name}")
echo "Visit http://127.0.0.1:3000 to access grafana"
export GRAFANA_PASSWORD=$(kubectl get secret --namespace default grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo)
echo "Login as admin:$GRAFANA_PASSWORD"
kubectl port-forward $POD_NAME 3000