First deploy the demo app.
kubectl apply -f tns.yaml
Make sure tiller is installed in your cluster.
Add our chart repository
helm repo add loki https://grafana.github.io/loki/charts
Update the repo index
helm repo update
Install the stack
helm install --name loki-stack loki/loki-stack -f values.yaml --namespace monitoring
You're all set and ready to explore Grafana with Loki and Prometheus.
| --- | |
| apiVersion: apps/v1 | |
| kind: Deployment | |
| metadata: | |
| name: app | |
| labels: | |
| app: app | |
| spec: | |
| replicas: 1 | |
| selector: | |
| matchLabels: | |
| app: app | |
| template: | |
| metadata: | |
| labels: | |
| app: app | |
| annotations: | |
| prometheus.io/scrape: "true" | |
| prometheus.io/port: "80" | |
| spec: | |
| containers: | |
| - name: app | |
| image: grafana/tns-app:latest | |
| imagePullPolicy: IfNotPresent | |
| args: | |
| - -log.level=debug | |
| - http://db | |
| ports: | |
| - name: http-metrics | |
| containerPort: 80 | |
| --- | |
| kind: Service | |
| apiVersion: v1 | |
| metadata: | |
| name: app | |
| spec: | |
| type: NodePort | |
| selector: | |
| app: app | |
| ports: | |
| - protocol: TCP | |
| nodePort: 30030 | |
| port: 80 | |
| targetPort: 80 | |
| --- | |
| apiVersion: apps/v1 | |
| kind: Deployment | |
| metadata: | |
| name: db | |
| labels: | |
| app: db | |
| spec: | |
| replicas: 1 | |
| selector: | |
| matchLabels: | |
| app: db | |
| template: | |
| metadata: | |
| labels: | |
| app: db | |
| annotations: | |
| prometheus.io/scrape: "true" | |
| prometheus.io/port: "80" | |
| spec: | |
| containers: | |
| - name: db | |
| image: grafana/tns-db:latest | |
| imagePullPolicy: IfNotPresent | |
| args: | |
| - -log.level=debug | |
| ports: | |
| - name: http-metrics | |
| containerPort: 80 | |
| --- | |
| kind: Service | |
| apiVersion: v1 | |
| metadata: | |
| name: db | |
| spec: | |
| selector: | |
| app: db | |
| ports: | |
| - protocol: TCP | |
| port: 80 | |
| targetPort: 80 | |
| --- | |
| apiVersion: apps/v1 | |
| kind: Deployment | |
| metadata: | |
| name: loadgen | |
| labels: | |
| app: loadgen | |
| spec: | |
| replicas: 1 | |
| selector: | |
| matchLabels: | |
| app: loadgen | |
| template: | |
| metadata: | |
| labels: | |
| app: loadgen | |
| annotations: | |
| prometheus.io/scrape: "true" | |
| prometheus.io/port: "80" | |
| spec: | |
| containers: | |
| - name: loadgen | |
| image: grafana/tns-loadgen:latest | |
| imagePullPolicy: IfNotPresent | |
| args: | |
| - -log.level=debug | |
| - http://app | |
| ports: | |
| - name: http-metrics | |
| containerPort: 80 | |
| --- | |
| kind: Service | |
| apiVersion: v1 | |
| metadata: | |
| name: loadgen | |
| spec: | |
| selector: | |
| app: loadgen | |
| ports: | |
| - protocol: TCP | |
| port: 80 | |
| targetPort: 80 | |
| --- | |
| apiVersion: v1 | |
| kind: ConfigMap | |
| metadata: | |
| name: tns-demo-dashboard | |
| labels: | |
| grafana_dashboard: "1" | |
| data: | |
| demo-app.json: |- | |
| { | |
| "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": 1, | |
| "iteration": 1587404984950, | |
| "links": [], | |
| "panels": [ | |
| { | |
| "collapsed": false, | |
| "datasource": null, | |
| "gridPos": { | |
| "h": 1, | |
| "w": 24, | |
| "x": 0, | |
| "y": 0 | |
| }, | |
| "id": 7, | |
| "panels": [], | |
| "repeat": null, | |
| "title": "Load balancer", | |
| "type": "row" | |
| }, | |
| { | |
| "aliasColors": { | |
| "200": "#7EB26D", | |
| "500": "#E24D42" | |
| }, | |
| "bars": false, | |
| "dashLength": 10, | |
| "dashes": false, | |
| "datasource": "$datasource", | |
| "fieldConfig": { | |
| "defaults": { | |
| "custom": {} | |
| }, | |
| "overrides": [] | |
| }, | |
| "fill": 10, | |
| "fillGradient": 0, | |
| "gridPos": { | |
| "h": 7, | |
| "w": 12, | |
| "x": 0, | |
| "y": 1 | |
| }, | |
| "hiddenSeries": false, | |
| "id": 1, | |
| "legend": { | |
| "avg": false, | |
| "current": false, | |
| "max": false, | |
| "min": false, | |
| "show": true, | |
| "total": false, | |
| "values": false | |
| }, | |
| "lines": true, | |
| "linewidth": 0, | |
| "links": [], | |
| "nullPointMode": "null as zero", | |
| "options": { | |
| "dataLinks": [] | |
| }, | |
| "percentage": false, | |
| "pointradius": 5, | |
| "points": false, | |
| "renderer": "flot", | |
| "seriesOverrides": [], | |
| "spaceLength": 10, | |
| "stack": true, | |
| "steppedLine": false, | |
| "targets": [ | |
| { | |
| "expr": "sum by (status_code) (rate(tns_request_duration_seconds_count{job=~\"($namespace)/loadgen\"}[1m]))", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "{{status_code}}", | |
| "refId": "A", | |
| "step": 10 | |
| } | |
| ], | |
| "thresholds": [], | |
| "timeFrom": null, | |
| "timeRegions": [], | |
| "timeShift": null, | |
| "title": "QPS", | |
| "tooltip": { | |
| "shared": false, | |
| "sort": 0, | |
| "value_type": "individual" | |
| }, | |
| "type": "graph", | |
| "xaxis": { | |
| "buckets": null, | |
| "mode": "time", | |
| "name": null, | |
| "show": true, | |
| "values": [] | |
| }, | |
| "yaxes": [ | |
| { | |
| "format": "short", | |
| "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": "$datasource", | |
| "fieldConfig": { | |
| "defaults": { | |
| "custom": {} | |
| }, | |
| "overrides": [] | |
| }, | |
| "fill": 1, | |
| "fillGradient": 0, | |
| "gridPos": { | |
| "h": 7, | |
| "w": 12, | |
| "x": 12, | |
| "y": 1 | |
| }, | |
| "hiddenSeries": false, | |
| "id": 2, | |
| "legend": { | |
| "avg": false, | |
| "current": false, | |
| "max": false, | |
| "min": false, | |
| "show": true, | |
| "total": false, | |
| "values": false | |
| }, | |
| "lines": true, | |
| "linewidth": 1, | |
| "links": [], | |
| "nullPointMode": "null as zero", | |
| "options": { | |
| "dataLinks": [] | |
| }, | |
| "percentage": false, | |
| "pointradius": 5, | |
| "points": false, | |
| "renderer": "flot", | |
| "seriesOverrides": [], | |
| "spaceLength": 10, | |
| "stack": false, | |
| "steppedLine": false, | |
| "targets": [ | |
| { | |
| "expr": "histogram_quantile(0.99, sum(rate(tns_request_duration_seconds_bucket{job=~\"($namespace)/loadgen\"}[$__interval])) by (le)) * 1e3", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "99th Percentile", | |
| "refId": "A", | |
| "step": 10 | |
| }, | |
| { | |
| "expr": "histogram_quantile(0.50, sum(rate(tns_request_duration_seconds_bucket{job=~\"($namespace)/loadgen\"}[$__interval])) by (le)) * 1e3", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "50th Percentile", | |
| "refId": "B", | |
| "step": 10 | |
| }, | |
| { | |
| "expr": "sum(rate(tns_request_duration_seconds_sum{job=~\"($namespace)/loadgen\"}[$__interval])) * 1e3 / sum(rate(tns_request_duration_seconds_count{job=~\"($namespace)/loadgen\"}[$__interval]))", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "Average", | |
| "refId": "C", | |
| "step": 10 | |
| } | |
| ], | |
| "thresholds": [], | |
| "timeFrom": null, | |
| "timeRegions": [], | |
| "timeShift": null, | |
| "title": "Latency", | |
| "tooltip": { | |
| "shared": false, | |
| "sort": 0, | |
| "value_type": "individual" | |
| }, | |
| "type": "graph", | |
| "xaxis": { | |
| "buckets": null, | |
| "mode": "time", | |
| "name": null, | |
| "show": true, | |
| "values": [] | |
| }, | |
| "yaxes": [ | |
| { | |
| "format": "ms", | |
| "label": null, | |
| "logBase": 1, | |
| "max": null, | |
| "min": 0, | |
| "show": true | |
| }, | |
| { | |
| "format": "short", | |
| "label": null, | |
| "logBase": 1, | |
| "max": null, | |
| "min": null, | |
| "show": false | |
| } | |
| ], | |
| "yaxis": { | |
| "align": false, | |
| "alignLevel": null | |
| } | |
| }, | |
| { | |
| "collapsed": false, | |
| "datasource": null, | |
| "gridPos": { | |
| "h": 1, | |
| "w": 24, | |
| "x": 0, | |
| "y": 8 | |
| }, | |
| "id": 8, | |
| "panels": [], | |
| "repeat": null, | |
| "title": "App", | |
| "type": "row" | |
| }, | |
| { | |
| "aliasColors": { | |
| "200": "#7EB26D", | |
| "500": "#E24D42" | |
| }, | |
| "bars": false, | |
| "dashLength": 10, | |
| "dashes": false, | |
| "datasource": "$datasource", | |
| "fieldConfig": { | |
| "defaults": { | |
| "custom": {} | |
| }, | |
| "overrides": [] | |
| }, | |
| "fill": 10, | |
| "fillGradient": 0, | |
| "gridPos": { | |
| "h": 7, | |
| "w": 12, | |
| "x": 0, | |
| "y": 9 | |
| }, | |
| "hiddenSeries": false, | |
| "id": 3, | |
| "legend": { | |
| "avg": false, | |
| "current": false, | |
| "max": false, | |
| "min": false, | |
| "show": true, | |
| "total": false, | |
| "values": false | |
| }, | |
| "lines": true, | |
| "linewidth": 0, | |
| "links": [], | |
| "nullPointMode": "null as zero", | |
| "options": { | |
| "dataLinks": [] | |
| }, | |
| "percentage": false, | |
| "pointradius": 5, | |
| "points": false, | |
| "renderer": "flot", | |
| "seriesOverrides": [], | |
| "spaceLength": 10, | |
| "stack": true, | |
| "steppedLine": false, | |
| "targets": [ | |
| { | |
| "expr": "sum by (status_code) (rate(tns_request_duration_seconds_count{job=~\"($namespace)/app\"}[1m]))", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "{{status_code}}", | |
| "refId": "A", | |
| "step": 10 | |
| } | |
| ], | |
| "thresholds": [], | |
| "timeFrom": null, | |
| "timeRegions": [], | |
| "timeShift": null, | |
| "title": "QPS", | |
| "tooltip": { | |
| "shared": false, | |
| "sort": 0, | |
| "value_type": "individual" | |
| }, | |
| "type": "graph", | |
| "xaxis": { | |
| "buckets": null, | |
| "mode": "time", | |
| "name": null, | |
| "show": true, | |
| "values": [] | |
| }, | |
| "yaxes": [ | |
| { | |
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| "logBase": 1, | |
| "max": null, | |
| "min": 0, | |
| "show": true | |
| }, | |
| { | |
| "format": "short", | |
| "label": null, | |
| "logBase": 1, | |
| "max": null, | |
| "min": null, | |
| "show": false | |
| } | |
| ], | |
| "yaxis": { | |
| "align": false, | |
| "alignLevel": null | |
| } | |
| }, | |
| { | |
| "aliasColors": {}, | |
| "bars": false, | |
| "dashLength": 10, | |
| "dashes": false, | |
| "datasource": "$datasource", | |
| "fieldConfig": { | |
| "defaults": { | |
| "custom": {} | |
| }, | |
| "overrides": [] | |
| }, | |
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| "fillGradient": 0, | |
| "gridPos": { | |
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| "w": 12, | |
| "x": 12, | |
| "y": 9 | |
| }, | |
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| "id": 4, | |
| "legend": { | |
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| "current": false, | |
| "max": false, | |
| "min": false, | |
| "show": true, | |
| "total": false, | |
| "values": false | |
| }, | |
| "lines": true, | |
| "linewidth": 1, | |
| "links": [], | |
| "nullPointMode": "null as zero", | |
| "options": { | |
| "dataLinks": [] | |
| }, | |
| "percentage": false, | |
| "pointradius": 5, | |
| "points": false, | |
| "renderer": "flot", | |
| "seriesOverrides": [], | |
| "spaceLength": 10, | |
| "stack": false, | |
| "steppedLine": false, | |
| "targets": [ | |
| { | |
| "expr": "histogram_quantile(0.99, sum(rate(tns_request_duration_seconds_bucket{job=~\"($namespace)/app\"}[$__interval])) by (le)) * 1e3", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "99th Percentile", | |
| "refId": "A", | |
| "step": 10 | |
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| { | |
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| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "50th Percentile", | |
| "refId": "B", | |
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| }, | |
| { | |
| "expr": "sum(rate(tns_request_duration_seconds_sum{job=~\"($namespace)/app\"}[$__interval])) * 1e3 / sum(rate(tns_request_duration_seconds_count{job=~\"($namespace)/app\"}[$__interval]))", | |
| "format": "time_series", | |
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| "timeRegions": [], | |
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| "title": "Latency", | |
| "tooltip": { | |
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| "value_type": "individual" | |
| }, | |
| "type": "graph", | |
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| }, | |
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| "panels": [], | |
| "repeat": null, | |
| "title": "DB", | |
| "type": "row" | |
| }, | |
| { | |
| "aliasColors": { | |
| "200": "#7EB26D", | |
| "500": "#E24D42" | |
| }, | |
| "bars": false, | |
| "dashLength": 10, | |
| "dashes": false, | |
| "datasource": "$datasource", | |
| "fieldConfig": { | |
| "defaults": { | |
| "custom": {} | |
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| "overrides": [] | |
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| }, | |
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| "legend": { | |
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| "current": false, | |
| "max": false, | |
| "min": false, | |
| "show": true, | |
| "total": false, | |
| "values": false | |
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| "lines": true, | |
| "linewidth": 0, | |
| "links": [], | |
| "nullPointMode": "null as zero", | |
| "options": { | |
| "dataLinks": [] | |
| }, | |
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| "points": false, | |
| "renderer": "flot", | |
| "seriesOverrides": [], | |
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| "stack": true, | |
| "steppedLine": false, | |
| "targets": [ | |
| { | |
| "expr": "sum by (status_code) (rate(tns_request_duration_seconds_count{job=~\"($namespace)/db\"}[1m]))", | |
| "format": "time_series", | |
| "interval": "", | |
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| "legendFormat": "{{status_code}}", | |
| "refId": "A", | |
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| "timeRegions": [], | |
| "timeShift": null, | |
| "title": "QPS", | |
| "tooltip": { | |
| "shared": false, | |
| "sort": 0, | |
| "value_type": "individual" | |
| }, | |
| "type": "graph", | |
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| "mode": "time", | |
| "name": null, | |
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| "values": [] | |
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| { | |
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| } | |
| }, | |
| { | |
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| "dashLength": 10, | |
| "dashes": false, | |
| "datasource": "$datasource", | |
| "fieldConfig": { | |
| "defaults": { | |
| "custom": {} | |
| }, | |
| "overrides": [] | |
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| "w": 12, | |
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| "y": 17 | |
| }, | |
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| "id": 6, | |
| "legend": { | |
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| "current": false, | |
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| "show": true, | |
| "total": false, | |
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| "lines": true, | |
| "linewidth": 1, | |
| "links": [], | |
| "nullPointMode": "null as zero", | |
| "options": { | |
| "dataLinks": [] | |
| }, | |
| "percentage": false, | |
| "pointradius": 5, | |
| "points": false, | |
| "renderer": "flot", | |
| "seriesOverrides": [], | |
| "spaceLength": 10, | |
| "stack": false, | |
| "steppedLine": false, | |
| "targets": [ | |
| { | |
| "expr": "histogram_quantile(0.99, sum(rate(tns_request_duration_seconds_bucket{job=~\"($namespace)/db\"}[$__interval])) by (le)) * 1e3", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "99th Percentile", | |
| "refId": "A", | |
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| }, | |
| { | |
| "expr": "histogram_quantile(0.50, sum(rate(tns_request_duration_seconds_bucket{job=~\"($namespace)/db\"}[$__interval])) by (le)) * 1e3", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "50th Percentile", | |
| "refId": "B", | |
| "step": 10 | |
| }, | |
| { | |
| "expr": "sum(rate(tns_request_duration_seconds_sum{job=~\"($namespace)/db\"}[$__interval])) * 1e3 / sum(rate(tns_request_duration_seconds_count{job=~\"($namespace)/db\"}[$__interval]))", | |
| "format": "time_series", | |
| "interval": "", | |
| "intervalFactor": 2, | |
| "legendFormat": "Average", | |
| "refId": "C", | |
| "step": 10 | |
| } | |
| ], | |
| "thresholds": [], | |
| "timeFrom": null, | |
| "timeRegions": [], | |
| "timeShift": null, | |
| "title": "Latency", | |
| "tooltip": { | |
| "shared": false, | |
| "sort": 0, | |
| "value_type": "individual" | |
| }, | |
| "type": "graph", | |
| "xaxis": { | |
| "buckets": null, | |
| "mode": "time", | |
| "name": null, | |
| "show": true, | |
| "values": [] | |
| }, | |
| "yaxes": [ | |
| { | |
| "format": "ms", | |
| "label": null, | |
| "logBase": 1, | |
| "max": null, | |
| "min": 0, | |
| "show": true | |
| }, | |
| { | |
| "format": "short", | |
| "label": null, | |
| "logBase": 1, | |
| "max": null, | |
| "min": null, | |
| "show": false | |
| } | |
| ], | |
| "yaxis": { | |
| "align": false, | |
| "alignLevel": null | |
| } | |
| } | |
| ], | |
| "refresh": "10s", | |
| "schemaVersion": 22, | |
| "style": "dark", | |
| "tags": [], | |
| "templating": { | |
| "list": [ | |
| { | |
| "current": { | |
| "selected": true, | |
| "text": "Prometheus", | |
| "value": "Prometheus" | |
| }, | |
| "hide": 0, | |
| "includeAll": false, | |
| "label": null, | |
| "multi": false, | |
| "name": "datasource", | |
| "options": [], | |
| "query": "prometheus", | |
| "refresh": 1, | |
| "regex": "", | |
| "skipUrlSync": false, | |
| "type": "datasource" | |
| }, | |
| { | |
| "allValue": null, | |
| "current": { | |
| "text": "All", | |
| "value": [ | |
| "$__all" | |
| ] | |
| }, | |
| "datasource": "$datasource", | |
| "definition": "", | |
| "hide": 0, | |
| "includeAll": true, | |
| "index": -1, | |
| "label": "namespace", | |
| "multi": true, | |
| "name": "namespace", | |
| "options": [], | |
| "query": "label_values(kube_pod_container_info{image=~\".*grafana/tns.*\"}, namespace)", | |
| "refresh": 1, | |
| "regex": "", | |
| "skipUrlSync": false, | |
| "sort": 2, | |
| "tagValuesQuery": "", | |
| "tags": [], | |
| "tagsQuery": "", | |
| "type": "query", | |
| "useTags": false | |
| } | |
| ] | |
| }, | |
| "time": { | |
| "from": "now-1h", | |
| "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" | |
| ] | |
| }, | |
| "timezone": "", | |
| "title": "Demo App", | |
| "uid": "62440ddb0b6b14e05c6cdd3940eda2d1", | |
| "variables": { | |
| "list": [] | |
| }, | |
| "version": 1 | |
| } |
| grafana: | |
| enabled: true | |
| image: | |
| tag: 6.7.2 | |
| service: | |
| type: LoadBalancer | |
| port: 3000 | |
| adminPassword: admin | |
| sidecar: | |
| dashboards: | |
| enabled: true | |
| searchNamespace: "ALL" | |
| prometheus: | |
| enabled: true | |
| extraScrapeConfigs: | | |
| - job_name: kubernetes-pods-app | |
| scrape_interval: 15s | |
| kubernetes_sd_configs: | |
| - role: pod | |
| relabel_configs: | |
| - action: drop | |
| regex: .+ | |
| source_labels: | |
| - __meta_kubernetes_pod_label_name | |
| - source_labels: | |
| - __meta_kubernetes_pod_label_app | |
| target_label: __service__ | |
| - action: drop | |
| regex: '' | |
| source_labels: | |
| - __service__ | |
| - action: labelmap | |
| regex: __meta_kubernetes_pod_label_(.+) | |
| - action: replace | |
| replacement: $1 | |
| separator: / | |
| source_labels: | |
| - __meta_kubernetes_namespace | |
| - __service__ | |
| target_label: job | |
| - action: replace | |
| source_labels: | |
| - __meta_kubernetes_namespace | |
| target_label: namespace | |
| - action: replace | |
| source_labels: | |
| - __meta_kubernetes_pod_name | |
| target_label: instance | |
| - action: replace | |
| source_labels: | |
| - __meta_kubernetes_pod_container_name | |
| target_label: container_name | |
| loki: | |
| persistence: | |
| enabled: true | |
| size: 20Gi |