Dashboards in Grafana; clean up after the Next.js app
- k8s/grafana.yaml: Grafana 13.2.3 with a 1Gi PVC, sign-up and
anonymous access off. The InfluxDB datasource (URL and token from the
environment) and three dashboards — Live, Consumption, Charging — are
provisioned from k8s/grafana/ via kustomize-generated ConfigMaps.
- server.yaml for the Go server (port 8080, UID 65532, smaller limits),
image tag 2.0.0. The NetworkPolicy now admits Grafana to InfluxDB.
- ingress.yaml: IngressRoutes for car.stinnesbeck.com and Grafana
(placeholder host car-grafana.stinnesbeck.com) with tls: {}, using
Traefik's default certificate; the cert-manager Certificate is gone.
- secrets.example.yaml: drops the dashboard secrets, adds grafana-admin.
- AGENTS.md loses its Next.js block; SPECS.md describes the new setup.
The removal of web/ (the Next.js app) and of the stale .next/ cache
upstream had committed already landed in 51e6f6f, which was staged
together with the Go server by mistake.
Checked end to end in podman (Go server + InfluxDB 2.7.12 + Grafana
13.2.3): all 25 dashboard queries return the expected data, and the
dashboards were rendered with headless Chromium. Manifests validated
offline with kustomize and kubeconform. Nothing applied to a cluster.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QLJfZQZeAKAwSqViTmLzki
This commit is contained in:
Claude Opus 5.5
@@ -0,0 +1,517 @@
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{
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"uid": "mg4-charging",
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"title": "MG4 — Charging",
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"description": "DC charging sessions metered by the car. Prices in euro, as entered in the car's Charging tab.",
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"tags": [
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"mg4"
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],
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"timezone": "browser",
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"editable": false,
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"graphTooltip": 1,
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"schemaVersion": 39,
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"version": 1,
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"time": {
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"from": "now-90d",
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"to": "now"
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},
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"refresh": "",
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"templating": {
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"list": [
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{
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"name": "installationId",
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"label": "Car",
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"type": "query",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"query": "import \"influxdata/influxdb/schema\"\nschema.tagValues(bucket: \"mg4\", tag: \"installationId\", start: -400d)",
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"definition": "installationId tag values",
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"refresh": 1,
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"includeAll": false,
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"multi": false,
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"current": {},
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"hide": 0,
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"sort": 1
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}
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]
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},
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"annotations": {
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"list": []
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},
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"panels": [
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{
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"id": 1,
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"type": "stat",
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"title": "DC sessions",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"gridPos": {
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"x": 0,
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"y": 0,
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"w": 6,
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"h": 4
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"query": "from(bucket: \"mg4\")\n |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n |> filter(fn: (r) => r._measurement == \"charging_session\" and r.installationId == \"${installationId}\" and r._field == \"energyKwh\")\n |> group()\n |> count()"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "none",
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"color": {
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"mode": "fixed",
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"fixedColor": "#E0424C"
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},
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"decimals": 0
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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"values": false
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},
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"colorMode": "value",
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"graphMode": "none",
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"textMode": "value"
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}
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},
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{
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"id": 2,
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"type": "stat",
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"title": "Drawn from grid",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"gridPos": {
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"x": 6,
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"y": 0,
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"w": 6,
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"h": 4
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"query": "from(bucket: \"mg4\")\n |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n |> filter(fn: (r) => r._measurement == \"charging_session\" and r.installationId == \"${installationId}\" and r._field == \"gridEnergyKwh\")\n |> group()\n |> sum()"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "kwatth",
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"color": {
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"mode": "fixed",
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"fixedColor": "#E0424C"
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},
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"decimals": 1
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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"values": false
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},
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"colorMode": "value",
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"graphMode": "none",
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"textMode": "value"
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},
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"description": "Net energy into the battery plus 10 % charging loss."
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},
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{
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"id": 3,
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"type": "stat",
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"title": "Paid",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"gridPos": {
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"x": 12,
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"y": 0,
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"w": 6,
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"h": 4
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"query": "from(bucket: \"mg4\")\n |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n |> filter(fn: (r) => r._measurement == \"charging_session\" and r.installationId == \"${installationId}\" and r._field == \"totalCost\")\n |> group()\n |> sum()"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "currencyEUR",
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"color": {
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"mode": "fixed",
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"fixedColor": "#E0424C"
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},
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"decimals": 2
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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"values": false
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},
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"colorMode": "value",
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"graphMode": "none",
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"textMode": "value"
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}
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},
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{
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"id": 4,
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"type": "stat",
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"title": "Peak power",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"gridPos": {
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"x": 18,
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"y": 0,
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"w": 6,
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"h": 4
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"query": "from(bucket: \"mg4\")\n |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n |> filter(fn: (r) => r._measurement == \"charging_curve\" and r.installationId == \"${installationId}\" and r._field == \"powerKw\")\n |> group()\n |> max()\n |> keep(columns: [\"_value\"])"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "kwatt",
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"color": {
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"mode": "fixed",
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"fixedColor": "#E0424C"
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},
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"decimals": 0
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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"values": false
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},
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"colorMode": "value",
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"graphMode": "none",
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"textMode": "value"
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}
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},
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{
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"id": 5,
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"type": "table",
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"title": "Sessions",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"gridPos": {
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"x": 0,
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"y": 4,
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"w": 24,
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"h": 9
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"query": "from(bucket: \"mg4\")\n |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n |> filter(fn: (r) => r._measurement == \"charging_session\" and r.installationId == \"${installationId}\")\n |> pivot(rowKey: [\"_time\"], columnKey: [\"_field\"], valueColumn: \"_value\")\n |> group()\n |> map(fn: (r) => ({r with gained: if exists r.endSocPercent and exists r.startSocPercent then r.endSocPercent - r.startSocPercent else 0.0}))\n |> keep(columns: [\"_time\", \"startSocPercent\", \"endSocPercent\", \"gained\", \"energyKwh\", \"gridEnergyKwh\", \"durationSeconds\", \"pricePerKwh\", \"totalCost\"])\n |> sort(columns: [\"_time\"], desc: true)"
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}
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],
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"fieldConfig": {
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"defaults": {},
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"overrides": [
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{
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"matcher": {
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"id": "byName",
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"options": "_time"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "Start"
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},
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{
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"id": "unit",
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"value": "dateTimeAsIso"
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}
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]
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},
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{
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"matcher": {
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"id": "byRegexp",
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"options": "startSocPercent|endSocPercent|gained"
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},
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"properties": [
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{
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"id": "unit",
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"value": "percent"
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},
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{
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"id": "decimals",
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"value": 0
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "startSocPercent"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "SoC start"
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "endSocPercent"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "SoC end"
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "gained"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "Charge added"
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "energyKwh"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "Net into battery"
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},
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{
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"id": "unit",
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"value": "kwatth"
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},
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{
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"id": "decimals",
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"value": 2
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "gridEnergyKwh"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "From grid (+10%)"
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},
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{
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"id": "unit",
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"value": "kwatth"
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},
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{
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"id": "decimals",
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"value": 2
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "durationSeconds"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "Duration"
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},
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{
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"id": "unit",
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"value": "dtdurations"
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "pricePerKwh"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "Price"
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},
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{
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"id": "unit",
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"value": "currencyEUR"
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},
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{
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"id": "decimals",
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"value": 2
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}
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]
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},
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{
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"matcher": {
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"id": "byName",
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"options": "totalCost"
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},
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"properties": [
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{
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"id": "displayName",
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"value": "Cost"
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},
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{
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"id": "unit",
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"value": "currencyEUR"
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},
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{
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"id": "decimals",
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"value": 2
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}
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]
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}
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]
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},
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"options": {
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"showHeader": true,
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"cellHeight": "sm"
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},
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"transformations": [
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{
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"id": "organize",
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"options": {
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"indexByName": {
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"_time": 0,
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"durationSeconds": 1,
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"startSocPercent": 2,
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"endSocPercent": 3,
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"gained": 4,
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"energyKwh": 5,
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"gridEnergyKwh": 6,
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"pricePerKwh": 7,
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"totalCost": 8
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}
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}
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}
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]
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},
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{
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"id": 6,
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"type": "timeseries",
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"title": "Charging curves",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"gridPos": {
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"x": 0,
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"y": 13,
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"w": 24,
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"h": 9
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "influxdb",
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"uid": "mg4-influxdb"
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},
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"query": "from(bucket: \"mg4\")\n |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n |> filter(fn: (r) => r._measurement == \"charging_curve\" and r.installationId == \"${installationId}\" and (r._field == \"powerKw\" or r._field == \"socPercent\"))\n |> group(columns: [\"_field\"])\n |> keep(columns: [\"_time\", \"_field\", \"_value\"])\n |> sort(columns: [\"_time\"])"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "kwatt",
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"custom": {
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"lineWidth": 2,
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"fillOpacity": 8,
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"spanNulls": 600000,
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"showPoints": "never"
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}
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},
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"overrides": [
|
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{
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"matcher": {
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"id": "byRegexp",
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"options": ".*socPercent.*"
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},
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"properties": [
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{
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"id": "unit",
|
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"value": "percent"
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},
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{
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"id": "custom.axisPlacement",
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"value": "right"
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}
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]
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}
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]
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},
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"options": {
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"legend": {
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"displayMode": "list",
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"placement": "bottom"
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},
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"tooltip": {
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"mode": "multi"
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}
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},
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"description": "Only DC charges above 10 kW are metered. Pick a time range around a session to see its curve."
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}
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]
|
||||
}
|
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Reference in New Issue
Block a user