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Verified Commit 3f3e6fa9 authored by Kristian Klausen's avatar Kristian Klausen :tada:
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grafana: Add simple dashboard for Nginx cache and HTTP/TLS version stats 

It has three panels showing "Cache hit ratio", "HTTP version" and "TLS
version".

The metrics are generated with Loki recording rules, in the two previous
commits.
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This commit is part of merge request !865. Comments created here will be created in the context of that merge request.
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roles/grafana/files/dashboards/nginx-stats.json 0 → 100644
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{
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"datasource": {
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"uid": "-- Grafana --"
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"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
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"description": "https://gitlab.archlinux.org/archlinux/infrastructure/-/merge_requests/865",
"editable": true,
"fiscalYearStartMonth": 0,
"graphTooltip": 0,
"id": 32,
"links": [],
"panels": [
{
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"description": "Only cacheable requests are included (e.g. {fastcgi,proxy}_cache is configured)",
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"title": "Cache hit ratio",
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{
"datasource": {
"type": "prometheus",
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"axisPlacement": "auto",
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"gridPos": {
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"y": 8
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"id": 2,
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"tooltip": {
"mode": "multi",
"sort": "desc"
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"targets": [
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"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
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"editorMode": "code",
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"expr": "sum by (instance, http_version) (instance_http_version_tls_version_tls_cipher:requests:rate1m{instance=\"$instance\",http_version!=\"\"}) / ignoring(http_version) group_left sum by (instance) (instance_http_version_tls_version_tls_cipher:requests:rate1m{instance=\"$instance\",http_version!=\"\"})",
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"legendFormat": "{{http_version}}",
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"refId": "A"
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"title": "HTTP version",
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{
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
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"fieldConfig": {
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"color": {
"mode": "palette-classic",
"seriesBy": "last"
},
"custom": {
"axisBorderShow": false,
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"barWidthFactor": 0.6,
"drawStyle": "line",
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"pointSize": 5,
"scaleDistribution": {
"type": "linear"
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"showPoints": "auto",
"spanNulls": false,
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},
"mappings": [],
"thresholds": {
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"color": "green",
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{
"color": "red",
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"unit": "percentunit"
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"displayMode": "table",
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"sortBy": "Mean",
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"tooltip": {
"mode": "multi",
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"pluginVersion": "11.3.1",
"targets": [
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"datasource": {
"type": "prometheus",
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"editorMode": "code",
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"expr": "sum by (instance, tls_version) (instance_http_version_tls_version_tls_cipher:requests:rate1m{instance=\"$instance\",tls_version!=\"\"}) / ignoring(tls_version) group_left sum by (instance) (instance_http_version_tls_version_tls_cipher:requests:rate1m{instance=\"$instance\",tls_version!=\"\"})",
"instant": false,
"legendFormat": "{{tls_version}}",
"range": true,
"refId": "A"
}
],
"title": "TLS version",
"type": "timeseries"
}
],
"preload": false,
"schemaVersion": 40,
"tags": [],
"templating": {
"list": [
{
"current": {
"text": "wiki.archlinux.org",
"value": "wiki.archlinux.org"
},
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"definition": "label_values(instance_cache_status:requests:rate1m,instance)",
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"label": "Instance",
"name": "instance",
"options": [],
"query": {
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"query": "label_values(instance_cache_status:requests:rate1m,instance)",
"refId": "PrometheusVariableQueryEditor-VariableQuery"
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"refresh": 1,
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}
]
},
"time": {
"from": "now-6h",
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},
"timepicker": {},
"timezone": "browser",
"title": "Nginx stats",
"uid": "cdvt95bi4660wc",
"version": 16,
"weekStart": ""
}
\ No newline at end of file
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