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Grafana dashboard for the kubernetes NGINX controller
Raw
nginx-controller-dashboards.md

NGINX-controller grafana dashboards

Adapted from the official dashboard located in the official nginx-controller repo: https://github.com/kubernetes/ingress-nginx/tree/master/deploy/grafana/dashboards.

Haven't dig up why yet, but in my setup with Grafana 6.3.6 (where at least for the performance dashboard 6.6.0 is recommended) and the nginx-controller 0.25.1, the range vector selectors in time series of [1m] and [2m] where causing no data being returned.

I also missed being able to see the data per host (as in the host name declared by each Ingress) or the namespace that defined the Ingress. So I added new parameters and filters for these.

The result is these 2 adapted grafana dashboards so they work with my setup. Each dashboard lists the changes I made over the official ones

General dashboard

Made the following changes:

  • Added a parameter for the exported_namespace so its possible to filter on the namespace where each individual Ingress is defined
  • Updated the Ingress Percentile Response Times and Transfer Rates graph to use a range of [5m] (5 minutes) instead of [2m]

Performance dashboard

Made these changes:

  • Added the same parameters as in their main dashboard, which are passed as filters to every graph expression.
  • Grouped by host rather than path (since in my case we usually define Ingress with / as path, but different hosts)
  • Updated all the expression to use a range of [5m] (5 minutes) instead of [1m].
Raw
nginx-dashboard.json
{
"__inputs": [
{
"name": "DS_PROMETHEUS",
"label": "Prometheus",
"description": "",
"type": "datasource",
"pluginId": "prometheus",
"pluginName": "Prometheus"
}
],
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "5.2.1"
},
{
"type": "datasource",
"id": "prometheus",
"name": "Prometheus",
"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"
},
{
"datasource": "${DS_PROMETHEUS}",
"enable": true,
"expr": "sum(changes(nginx_ingress_controller_config_last_reload_successful_timestamp_seconds{instance!=\"unknown\",controller_class=~\"$controller_class\",namespace=~\"$namespace\"}[30s])) by (controller_class)",
"hide": false,
"iconColor": "rgba(255, 96, 96, 1)",
"limit": 100,
"name": "Config Reloads",
"showIn": 0,
"step": "30s",
"tagKeys": "controller_class",
"tags": [],
"titleFormat": "Config Reloaded",
"type": "tags"
}
]
},
"editable": true,
"gnetId": null,
"graphTooltip": 0,
"iteration": 1534359654832,
"links": [],
"panels": [
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "${DS_PROMETHEUS}",
"format": "ops",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 3,
"w": 6,
"x": 0,
"y": 0
},
"id": 20,
"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": true,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"tableColumn": "",
"targets": [
{
"expr": "round(sum(irate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"}[2m])), 0.001)",
"format": "time_series",
"intervalFactor": 1,
"refId": "A",
"step": 4
}
],
"thresholds": "",
"title": "Controller Request Volume",
"transparent": false,
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"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": "${DS_PROMETHEUS}",
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 3,
"w": 6,
"x": 6,
"y": 0
},
"id": 82,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": true,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"tableColumn": "",
"targets": [
{
"expr": "sum(avg_over_time(nginx_ingress_controller_nginx_process_connections{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"}[2m]))",
"format": "time_series",
"instant": false,
"intervalFactor": 1,
"refId": "A",
"step": 4
}
],
"thresholds": "",
"title": "Controller Connections",
"transparent": false,
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "${DS_PROMETHEUS}",
"format": "percentunit",
"gauge": {
"maxValue": 100,
"minValue": 80,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": false
},
"gridPos": {
"h": 3,
"w": 6,
"x": 12,
"y": 0
},
"id": 21,
"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": true,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"tableColumn": "",
"targets": [
{
"expr": "sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\",status!~\"[4-5].*\"}[2m])) / sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"}[2m]))",
"format": "time_series",
"intervalFactor": 1,
"refId": "A",
"step": 4
}
],
"thresholds": "95, 99, 99.5",
"title": "Controller Success Rate (non-4|5xx responses)",
"transparent": false,
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"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": "${DS_PROMETHEUS}",
"decimals": 0,
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 3,
"w": 3,
"x": 18,
"y": 0
},
"id": 81,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": true,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"tableColumn": "",
"targets": [
{
"expr": "avg(irate(nginx_ingress_controller_success{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"}[1m])) * 60",
"format": "time_series",
"instant": false,
"intervalFactor": 1,
"refId": "A",
"step": 4
}
],
"thresholds": "",
"title": "Config Reloads",
"transparent": false,
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "total"
},
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "${DS_PROMETHEUS}",
"decimals": 0,
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 3,
"w": 3,
"x": 21,
"y": 0
},
"id": 83,
"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": true,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"tableColumn": "",
"targets": [
{
"expr": "count(nginx_ingress_controller_config_last_reload_successful{controller_pod=~\"$controller\",controller_namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"} == 0)",
"format": "time_series",
"instant": true,
"intervalFactor": 1,
"refId": "A",
"step": 4
}
],
"thresholds": "",
"title": "Last Config Failed",
"transparent": false,
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"decimals": 2,
"editable": true,
"error": false,
"fill": 1,
"grid": {},
"gridPos": {
"h": 7,
"w": 12,
"x": 0,
"y": 3
},
"height": "200px",
"id": 86,
"isNew": true,
"legend": {
"alignAsTable": true,
"avg": true,
"current": false,
"hideEmpty": false,
"hideZero": true,
"max": false,
"min": false,
"rightSide": true,
"show": true,
"sideWidth": 300,
"sort": "current",
"sortDesc": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"repeat": null,
"repeatDirection": "h",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "round(sum(irate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\",ingress=~\"$ingress\"}[2m])) by (ingress), 0.001)",
"format": "time_series",
"hide": false,
"instant": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "{{ ingress }}",
"metric": "network",
"refId": "A",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Ingress Request Volume",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"transparent": false,
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "reqps",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "Bps",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {
"max - istio-proxy": "#890f02",
"max - master": "#bf1b00",
"max - prometheus": "#bf1b00"
},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"decimals": 2,
"editable": false,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 7,
"w": 12,
"x": 12,
"y": 3
},
"id": 87,
"isNew": true,
"legend": {
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"avg": true,
"current": false,
"hideEmpty": true,
"hideZero": false,
"max": false,
"min": false,
"rightSide": true,
"show": true,
"sideWidth": 300,
"sort": "avg",
"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": false,
"targets": [
{
"expr": "sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\",ingress=~\"$ingress\",status!~\"[4-5].*\"}[2m])) by (ingress) / sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\",ingress=~\"$ingress\"}[2m])) by (ingress)",
"format": "time_series",
"instant": false,
"interval": "10s",
"intervalFactor": 1,
"legendFormat": "{{ ingress }}",
"metric": "container_memory_usage:sort_desc",
"refId": "A",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Ingress Success Rate (non-4|5xx responses)",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 1,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
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"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
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"max": null,
"min": null,
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"decimals": 2,
"editable": true,
"error": false,
"fill": 1,
"grid": {},
"gridPos": {
"h": 6,
"w": 8,
"x": 0,
"y": 10
},
"height": "200px",
"id": 32,
"isNew": true,
"legend": {
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"avg": true,
"current": true,
"max": false,
"min": false,
"rightSide": false,
"show": false,
"sideWidth": 200,
"sort": "current",
"sortDesc": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum (irate (nginx_ingress_controller_request_size_sum{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"}[2m]))",
"format": "time_series",
"instant": false,
"interval": "10s",
"intervalFactor": 1,
"legendFormat": "Received",
"metric": "network",
"refId": "A",
"step": 10
},
{
"expr": "- sum (irate (nginx_ingress_controller_response_size_sum{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"}[2m]))",
"format": "time_series",
"hide": false,
"interval": "10s",
"intervalFactor": 1,
"legendFormat": "Sent",
"metric": "network",
"refId": "B",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Network I/O pressure",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 0,
"value_type": "cumulative"
},
"transparent": false,
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "Bps",
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"logBase": 1,
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},
{
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"max": null,
"min": null,
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {
"max - istio-proxy": "#890f02",
"max - master": "#bf1b00",
"max - prometheus": "#bf1b00"
},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"decimals": 2,
"editable": false,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 6,
"w": 8,
"x": 8,
"y": 10
},
"id": 77,
"isNew": true,
"legend": {
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"avg": true,
"current": true,
"max": false,
"min": false,
"rightSide": false,
"show": false,
"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": false,
"targets": [
{
"expr": "avg(nginx_ingress_controller_nginx_process_resident_memory_bytes{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",exported_namespace=~\"$exported_namespace\"}) ",
"format": "time_series",
"instant": false,
"interval": "10s",
"intervalFactor": 1,
"legendFormat": "nginx",
"metric": "container_memory_usage:sort_desc",
"refId": "A",
"step": 10
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Average Memory Usage",
"tooltip": {
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"shared": true,
"sort": 2,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
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"show": true,
"values": []
},
"yaxes": [
{
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"min": null,
"show": true
},
{
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"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {
"max - istio-proxy": "#890f02",
"max - master": "#bf1b00"
},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"decimals": 3,
"editable": false,
"error": false,
"fill": 0,
"grid": {},
"gridPos": {
"h": 6,
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Raw
nginx-performance.json
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