Importer des dashboards Grafana
Ce guide explique comment importer des dashboards Grafana depuis une ConfigMap.
Grafana
Grafana est une plateforme open source de supervision et d’observabilité qui permet de visualiser et analyser des données provenant de multiples sources.
Elle offre la possibilité de créer des dashboards personnalisés,
combinant différents graphiques et panneaux pour fournir une vue interactive et structurée des métriques.
ConfigMap
Pour importer des dashboards dans Grafana à partir d’une ConfigMap,
assurez-vous que la fonctionnalité sidecar avec le label grafana_dashboard est activée dans le chart Helm.
info
Le sidecar transfère automatiquement le contenu de la ConfigMap vers un dossier afin que Grafana puisse charger et afficher les données.
/etc/grafana/provisioning/dashboards
Si vous ne pouvez pas modifier la configuration helm de Grafana pour activer le sidecar, contactez l’équipe Kumba.
Création
- Créez vos
dashboardsvia l’interface webGrafana. - Exportez-les au format
JSON. - Utilisez ces fichiers exportés pour générer vos
ConfigMaps.
Dashboards et variables
Cette ConfigMap est basée sur un dashboard disponible sur le site officiel des Dashboards Grafana.
warning
Les dashboards Grafana peuvent contenir des variables comme ${DS_PROMETHEUS} pour définir une datasource.
Remplacez cette variable par la source de données souhaitée, par exemple prometheus.
apiVersion: v1
kind: ConfigMap
metadata:
name: dashboard-volume-kumba
namespace: monitoring
labels:
grafana_dashboard: "1"
data:
dashboard-volume-kumba.json: |
{
"__inputs": [
{
"name": "Prometheus",
"label": "Prometheus",
"description": "Prometheus Data Source",
"type": "datasource",
"pluginId": "prometheus",
"pluginName": "Prometheus"
}
],
"__elements": {},
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "9.3.1"
},
{
"type": "panel",
"id": "graph",
"name": "Graph (old)",
"version": ""
},
{
"type": "datasource",
"id": "prometheus",
"name": "Prometheus",
"version": "1.0.0"
},
{
"type": "panel",
"id": "stat",
"name": "Stat",
"version": ""
},
{
"type": "panel",
"id": "table",
"name": "Table",
"version": ""
}
],
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": {
"type": "datasource",
"uid": "grafana"
},
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"limit": 100,
"name": "Annotations & Alerts",
"showIn": 0,
"target": {
"limit": 100,
"matchAny": false,
"tags": [],
"type": "dashboard"
},
"type": "dashboard"
}
]
},
"description": "Kubernetes PersistentVolume Overview kumba",
"editable": true,
"fiscalYearStartMonth": 0,
"gnetId": 17682,
"graphTooltip": 0,
"id": null,
"links": [],
"liveNow": false,
"panels": [
{
"collapsed": false,
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 0
},
"id": 26,
"panels": [],
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"refId": "A"
}
],
"title": "Alerts",
"type": "row"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"decimals": 0,
"mappings": [],
"noValue": "--",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "light-green",
"value": null
},
{
"color": "light-green",
"value": -0.0001
},
{
"color": "semi-dark-orange",
"value": 0.0001
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 0,
"y": 1
},
"id": 22,
"options": {
"colorMode": "background",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"calcs": [
"mean"
],
"fields": "",
"values": false
},
"textMode": "auto"
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "(\n count (\n (kubelet_volume_stats_available_bytes{namespace=~\"${k8s_namespace}\"})\n and\n (predict_linear(kubelet_volume_stats_available_bytes{namespace=~\"${k8s_namespace}\"}[1d], 2 * 24 * 60 * 60) < 0)\n )\n)\nor\nvector(0)",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
}
],
"title": "PVCs Full in 2 days - Based on Daily Usage",
"transformations": [
{
"id": "organize",
"options": {}
}
],
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"decimals": 0,
"mappings": [],
"noValue": "--",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "light-green",
"value": null
},
{
"color": "light-green",
"value": -0.0001
},
{
"color": "semi-dark-orange",
"value": 0.0001
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 8,
"y": 1
},
"id": 28,
"options": {
"colorMode": "background",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"calcs": [
"mean"
],
"fields": "",
"values": false
},
"textMode": "auto"
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "(\n count (\n (kubelet_volume_stats_available_bytes{namespace=~\"${k8s_namespace}\"})\n and\n (predict_linear(kubelet_volume_stats_available_bytes{namespace=~\"${k8s_namespace}\"}[1d], 5 * 24 * 60 * 60) < 0)\n )\n)\nor\nvector(0)",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
}
],
"title": "PVCs Full in 5 days - Based on Daily Usage",
"transformations": [
{
"id": "organize",
"options": {}
}
],
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"decimals": 0,
"mappings": [],
"noValue": "--",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "light-green",
"value": null
},
{
"color": "light-green",
"value": -0.0001
},
{
"color": "semi-dark-orange",
"value": 0.0001
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 16,
"y": 1
},
"id": 27,
"options": {
"colorMode": "background",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"calcs": [
"mean"
],
"fields": "",
"values": false
},
"textMode": "auto"
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "(\n count (\n (kubelet_volume_stats_available_bytes{namespace=~\"${k8s_namespace}\"})\n and\n (predict_linear(kubelet_volume_stats_available_bytes{namespace=~\"${k8s_namespace}\"}[1d], 7 * 24 * 60 * 60) < 0)\n )\n)\nor\nvector(0)",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
}
],
"title": "PVCs Full in 1 Week - Based on Daily Usage",
"transformations": [
{
"id": "organize",
"options": {}
}
],
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"noValue": "--",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "semi-dark-red",
"value": null
},
{
"color": "light-green",
"value": -0.0001
},
{
"color": "semi-dark-red",
"value": 0.0001
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 0,
"y": 5
},
"id": 21,
"options": {
"colorMode": "background",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"calcs": [
"mean"
],
"fields": "",
"values": false
},
"textMode": "auto"
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "count (max by (persistentvolumeclaim,namespace) (kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"} ) and (max by (persistentvolumeclaim,namespace) (kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"} )) / (max by (persistentvolumeclaim,namespace) (kubelet_volume_stats_capacity_bytes{namespace=~\"${k8s_namespace}\"} )) >= (${warning_threshold} / 100)) or vector (0)",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
}
],
"title": "PVCs Above Warning Threshold",
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"decimals": 0,
"mappings": [],
"noValue": "--",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "semi-dark-red",
"value": null
},
{
"color": "light-green",
"value": -0.0001
},
{
"color": "semi-dark-red",
"value": 0.0001
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 8,
"y": 5
},
"id": 24,
"options": {
"colorMode": "background",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"calcs": [
"mean"
],
"fields": "",
"values": false
},
"textMode": "auto"
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "count((kube_persistentvolumeclaim_status_phase{namespace=~\"${k8s_namespace}\",phase=\"Pending\"}==1)) or vector(0)",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
}
],
"title": "PVCs in Pending State",
"transformations": [
{
"id": "organize",
"options": {}
}
],
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"decimals": 0,
"mappings": [],
"noValue": "--",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "semi-dark-red",
"value": null
},
{
"color": "light-green",
"value": -0.0001
},
{
"color": "semi-dark-red",
"value": 0.0001
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 16,
"y": 5
},
"id": 23,
"options": {
"colorMode": "background",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"calcs": [
"mean"
],
"fields": "",
"values": false
},
"textMode": "auto"
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "count((kube_persistentvolumeclaim_status_phase{namespace=~\"${k8s_namespace}\",phase=\"Lost\"}==1)) or vector(0)",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
}
],
"title": "PVCs in Lost State",
"transformations": [
{
"id": "organize",
"options": {}
}
],
"type": "stat"
},
{
"collapsed": false,
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 9
},
"id": 17,
"panels": [],
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"refId": "A"
}
],
"title": "Usage statistics",
"type": "row"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"custom": {
"align": "auto",
"displayMode": "auto",
"filterable": false,
"inspect": false
},
"mappings": [],
"noValue": "--",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "light-green",
"value": null
}
]
},
"unit": "none"
},
"overrides": [
{
"matcher": {
"id": "byName",
"options": "Used (%)"
},
"properties": [
{
"id": "custom.displayMode",
"value": "lcd-gauge"
},
{
"id": "thresholds",
"value": {
"mode": "absolute",
"steps": [
{
"color": "light-green",
"value": null
},
{
"color": "semi-dark-yellow",
"value": 70
},
{
"color": "dark-red",
"value": 80
}
]
}
},
{
"id": "decimals",
"value": 1
}
]
},
{
"matcher": {
"id": "byName",
"options": "Status"
},
"properties": [
{
"id": "custom.displayMode",
"value": "color-background"
},
{
"id": "mappings",
"value": [
{
"options": {
"0": {
"text": "Bound"
},
"1": {
"text": "Pending"
},
"2": {
"text": "Lost"
}
},
"type": "value"
}
]
},
{
"id": "thresholds",
"value": {
"mode": "absolute",
"steps": [
{
"color": "light-green",
"value": null
},
{
"color": "light-green",
"value": 0
},
{
"color": "semi-dark-orange",
"value": 1
},
{
"color": "semi-dark-red",
"value": 2
}
]
}
},
{
"id": "noValue",
"value": "--"
},
{
"id": "custom.align",
"value": "center"
}
]
},
{
"matcher": {
"id": "byName",
"options": "Namespace"
},
"properties": [
{
"id": "custom.width",
"value": 120
}
]
},
{
"matcher": {
"id": "byName",
"options": "Status"
},
"properties": [
{
"id": "custom.width",
"value": 80
}
]
},
{
"matcher": {
"id": "byName",
"options": "Capacity (GiB)"
},
"properties": [
{
"id": "custom.width",
"value": 120
}
]
},
{
"matcher": {
"id": "byName",
"options": "Used (GiB)"
},
"properties": [
{
"id": "custom.width",
"value": 120
}
]
},
{
"matcher": {
"id": "byName",
"options": "Available (GiB)"
},
"properties": [
{
"id": "custom.width",
"value": 120
}
]
},
{
"matcher": {
"id": "byName",
"options": "StorageClass"
},
"properties": [
{
"id": "custom.width",
"value": 150
}
]
},
{
"matcher": {
"id": "byName",
"options": "PersistentVolumeClaim"
},
"properties": [
{
"id": "custom.width",
"value": 370
}
]
}
]
},
"gridPos": {
"h": 8,
"w": 24,
"x": 0,
"y": 10
},
"id": 29,
"interval": "",
"options": {
"footer": {
"fields": "",
"reducer": [
"sum"
],
"show": false
},
"frameIndex": 2,
"showHeader": true,
"sortBy": [
{
"desc": false,
"displayName": "PersistentVolumeClaim"
}
]
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": " sum by (persistentvolumeclaim,namespace,storageclass,volumename) (kube_persistentvolumeclaim_info{namespace=~\"${k8s_namespace}\"})",
"format": "table",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "sum by (persistentvolumeclaim) (kubelet_volume_stats_capacity_bytes{namespace=~\"${k8s_namespace}\"}/1024/1024/1024)",
"format": "table",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "B"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "sum by (persistentvolumeclaim) (kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"}/1024/1024/1024)",
"format": "table",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "C"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "sum by (persistentvolumeclaim) (kubelet_volume_stats_available_bytes{namespace=~\"${k8s_namespace}\"}/1024/1024/1024)",
"format": "table",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "D"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "sum(kube_persistentvolumeclaim_status_phase{namespace=~\"${k8s_namespace}\",phase=~\"(Pending|Lost)\"}) by (persistentvolumeclaim) + sum(kube_persistentvolumeclaim_status_phase{namespace=~\"${k8s_namespace}\",phase=~\"(Lost)\"}) by (persistentvolumeclaim)",
"format": "table",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "E"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "sum by (persistentvolumeclaim) (kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"}/kubelet_volume_stats_capacity_bytes{namespace=~\"${k8s_namespace}\"} * 100)",
"format": "table",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "F"
}
],
"title": "Persistent Volume Claim",
"transformations": [
{
"id": "seriesToColumns",
"options": {
"byField": "persistentvolumeclaim"
}
},
{
"id": "organize",
"options": {
"excludeByName": {
"Time": true,
"Time 1": true,
"Time 2": true,
"Time 3": true,
"Time 4": true,
"Time 5": true,
"Time 6": true,
"Value #A": true
},
"indexByName": {},
"renameByName": {
"Time 1": "",
"Time 2": "",
"Time 3": "",
"Time 4": "",
"Time 5": "",
"Time 6": "",
"Value #A": "",
"Value #B": "Capacity (GiB)",
"Value #C": "Used (GiB)",
"Value #D": "Available (GiB)",
"Value #E": "Status",
"Value #F": "Used (%)",
"namespace": "Namespace",
"persistentvolumeclaim": "PersistentVolumeClaim",
"storageclass": "StorageClass",
"volumename": "PhysicalVolume"
}
}
}
],
"type": "table"
},
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fieldConfig": {
"defaults": {
"custom": {
"align": "auto",
"displayMode": "auto",
"filterable": false,
"inspect": false
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 7,
"w": 24,
"x": 0,
"y": 18
},
"id": 7,
"options": {
"footer": {
"fields": "",
"reducer": [
"sum"
],
"show": false
},
"showHeader": true,
"sortBy": [
{
"desc": true,
"displayName": "Status"
}
]
},
"pluginVersion": "9.3.1",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "kube_storageclass_info",
"format": "table",
"interval": "",
"legendFormat": "",
"refId": "A"
}
],
"title": "Storage Class",
"transformations": [
{
"id": "organize",
"options": {
"excludeByName": {
"Time": true,
"Value": true,
"__name__": true,
"app_kubernetes_io_instance": true,
"app_kubernetes_io_name": true,
"instance": true,
"job": true,
"kubernetes_namespace": true,
"kubernetes_pod_name": true,
"pod_template_hash": true
},
"indexByName": {
"Time": 1,
"Value": 13,
"__name__": 2,
"app_kubernetes_io_instance": 3,
"app_kubernetes_io_name": 4,
"instance": 5,
"job": 6,
"kubernetes_namespace": 7,
"kubernetes_pod_name": 8,
"pod_template_hash": 9,
"provisioner": 10,
"reclaimPolicy": 11,
"storageclass": 0,
"volumeBindingMode": 12
},
"renameByName": {
"provisioner": "Provisioner",
"reclaimPolicy": "ReclaimPolicy",
"storageclass": "StorageClass",
"volumeBindingMode": "VolumeBindingMode"
}
}
},
{
"id": "groupBy",
"options": {
"fields": {
"Provisioner": {
"aggregations": [],
"operation": "groupby"
},
"ReclaimPolicy": {
"aggregations": [],
"operation": "groupby"
},
"StorageClass": {
"aggregations": [],
"operation": "groupby"
},
"VolumeBindingMode": {
"aggregations": [],
"operation": "groupby"
}
}
}
}
],
"type": "table"
},
{
"collapsed": false,
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 25
},
"id": 15,
"panels": [],
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"refId": "A"
}
],
"title": "Graphical usage data ",
"type": "row"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fill": 0,
"fillGradient": 0,
"gridPos": {
"h": 9,
"w": 24,
"x": 0,
"y": 26
},
"hiddenSeries": false,
"id": 9,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": true,
"min": true,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "9.3.1",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "(max by (persistentvolumeclaim,namespace) (kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"}))",
"interval": "",
"legendFormat": "{{namespace}} ({{persistentvolumeclaim}})",
"refId": "A"
}
],
"thresholds": [],
"timeRegions": [],
"title": "All Running PVCs Used Bytes",
"tooltip": {
"shared": true,
"sort": 2,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"format": "bytes",
"logBase": 1,
"show": true
},
{
"format": "Date & time",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
},
{
"collapsed": false,
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 35
},
"id": 19,
"panels": [],
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "PBFA97CFB590B2093"
},
"refId": "A"
}
],
"title": "Usage Rate",
"type": "row"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fill": 0,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 24,
"x": 0,
"y": 36
},
"hiddenSeries": false,
"id": 11,
"legend": {
"alignAsTable": true,
"avg": true,
"current": false,
"max": false,
"min": false,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "9.3.1",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "rate(kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"}[1h])",
"instant": false,
"interval": "",
"legendFormat": "{{namespace}} ({{persistentvolumeclaim}})",
"refId": "A"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Hourly Volume Usage Rate",
"tooltip": {
"shared": true,
"sort": 2,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"format": "binBps",
"logBase": 1,
"show": true
},
{
"format": "Date & time",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fill": 0,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 24,
"x": 0,
"y": 43
},
"hiddenSeries": false,
"id": 12,
"legend": {
"alignAsTable": true,
"avg": true,
"current": false,
"max": false,
"min": false,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "9.3.1",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "rate(kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"}[1d])",
"interval": "",
"legendFormat": "{{namespace}} ({{persistentvolumeclaim}})",
"refId": "A"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Daily Volume Usage Rate",
"tooltip": {
"shared": true,
"sort": 2,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"format": "binBps",
"logBase": 1,
"show": true
},
{
"format": "Date & time",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"fill": 0,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 24,
"x": 0,
"y": 50
},
"hiddenSeries": false,
"id": 13,
"legend": {
"alignAsTable": true,
"avg": true,
"current": false,
"max": false,
"min": false,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "9.3.1",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"expr": "rate(kubelet_volume_stats_used_bytes{namespace=~\"${k8s_namespace}\"}[1w])",
"instant": false,
"interval": "",
"legendFormat": "{{namespace}} ({{persistentvolumeclaim}})",
"refId": "A"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Weekly Volume Usage Rate",
"tooltip": {
"shared": true,
"sort": 2,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"format": "binBps",
"logBase": 1,
"show": true
},
{
"format": "Date & time",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
}
],
"refresh": "1m",
"schemaVersion": 37,
"style": "dark",
"tags": [
"kubernetes",
"pv"
],
"templating": {
"list": [
{
"current": {
"selected": false,
"text": "Prometheus",
"value": "Prometheus"
},
"hide": 0,
"includeAll": false,
"label": "Datasource",
"multi": false,
"name": "datasource",
"options": [],
"query": "prometheus",
"queryValue": "",
"refresh": 1,
"regex": "",
"skipUrlSync": false,
"type": "datasource"
},
{
"allValue": ".*",
"current": {},
"datasource": {
"type": "prometheus",
"uid": "Prometheus"
},
"definition": "label_values(namespace)",
"hide": 0,
"includeAll": true,
"label": "Namespace",
"multi": true,
"name": "k8s_namespace",
"options": [],
"query": {
"query": "label_values(namespace)",
"refId": "Prometheus-k8s_namespace-Variable-Query"
},
"refresh": 2,
"regex": "",
"skipUrlSync": false,
"sort": 1,
"tagValuesQuery": "",
"tagsQuery": "",
"type": "query",
"useTags": false
},
{
"current": {
"selected": false,
"text": "80",
"value": "80"
},
"hide": 2,
"label": "PVC % Used Warning Threshold",
"name": "warning_threshold",
"options": [
{
"selected": true,
"text": "80",
"value": "80"
}
],
"query": "80",
"skipUrlSync": false,
"type": "textbox"
}
]
},
"time": {
"from": "now-1h",
"to": "now"
},
"timepicker": {},
"timezone": "",
"title": "Kubernetes - PersistentVolume Overview",
"uid": "peR80gTGk",
"version": 3,
"weekStart": ""
}
Conclusion
L’utilisation des ConfigMaps pour gérer les composants Grafana garantit la préservation de vos éléments personnalisés,
même en cas de suppression de Grafana du cluster ou de redémarrage des pods.
Cette approche assure résilience et cohérence, car vos configurations sont stockées indépendamment de l’instance Grafana.
De plus, en conservant ces ConfigMaps dans un dépôt Git,
vous bénéficiez d’un historique complet et d’une gestion simplifiée des versions, ce qui facilite la maintenance et le déploiement.