fix(helm): improve documentation and grafana dashboard (#2992)

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---

* **docs**: enabling of metrics in there config is needed
* **dashboard**: since the imported dashboard was created:
  * many metrics was dropped by dendrite (mainly #2967)
  * grafana has new version of diagrams ...

---------

Co-authored-by: Till <2353100+S7evinK@users.noreply.github.com>

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@ -1,10 +1,15 @@
{{ define "chart.monitoringSection" }} {{ define "chart.monitoringSection" }}
## Monitoring ## Monitoring
[![Grafana Dashboard](https://grafana.com/api/dashboards/13916/images/9894/image)](https://grafana.com/grafana/dashboards/13916-dendrite/) ![Grafana Dashboard](grafana_dashboards/dendrite-rev2.png)
* Works well with [Prometheus Operator](https://prometheus-operator.dev/) ([Helmchart](https://artifacthub.io/packages/helm/prometheus-community/kube-prometheus-stack)) and their setup of [Grafana](https://grafana.com/grafana/), by enabling the following values: * Works well with [Prometheus Operator](https://prometheus-operator.dev/) ([Helmchart](https://artifacthub.io/packages/helm/prometheus-community/kube-prometheus-stack)) and their setup of [Grafana](https://grafana.com/grafana/), by enabling the following values:
```yaml ```yaml
dendrite_config:
global:
metrics:
enabled: true
prometheus: prometheus:
servicemonitor: servicemonitor:
enabled: true enabled: true

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@ -1,6 +1,7 @@
# dendrite # dendrite
![Version: 0.12.0](https://img.shields.io/badge/Version-0.12.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.12.0](https://img.shields.io/badge/AppVersion-0.12.0-informational?style=flat-square) ![Version: 0.12.1](https://img.shields.io/badge/Version-0.12.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.12.0](https://img.shields.io/badge/AppVersion-0.12.0-informational?style=flat-square)
Dendrite Matrix Homeserver Dendrite Matrix Homeserver
Status: **NOT PRODUCTION READY** Status: **NOT PRODUCTION READY**
@ -157,10 +158,15 @@ Create a folder `appservices` and place your configurations in there. The confi
## Monitoring ## Monitoring
[![Grafana Dashboard](https://grafana.com/api/dashboards/13916/images/9894/image)](https://grafana.com/grafana/dashboards/13916-dendrite/) ![Grafana Dashboard](grafana_dashboards/dendrite-rev2.png)
* Works well with [Prometheus Operator](https://prometheus-operator.dev/) ([Helmchart](https://artifacthub.io/packages/helm/prometheus-community/kube-prometheus-stack)) and their setup of [Grafana](https://grafana.com/grafana/), by enabling the following values: * Works well with [Prometheus Operator](https://prometheus-operator.dev/) ([Helmchart](https://artifacthub.io/packages/helm/prometheus-community/kube-prometheus-stack)) and their setup of [Grafana](https://grafana.com/grafana/), by enabling the following values:
```yaml ```yaml
dendrite_config:
global:
metrics:
enabled: true
prometheus: prometheus:
servicemonitor: servicemonitor:
enabled: true enabled: true
@ -175,4 +181,3 @@ grafana:
enabled: true # will deploy default dashboards enabled: true # will deploy default dashboards
``` ```
PS: The label `release=kube-prometheus-stack` is setup with the helmchart of the Prometheus Operator. For Grafana Dashboards it may be necessary to enable scanning in the correct namespaces (or ALL), enabled by `sidecar.dashboards.searchNamespace` in [Helmchart of grafana](https://artifacthub.io/packages/helm/grafana/grafana) (which is part of PrometheusOperator, so `grafana.sidecar.dashboards.searchNamespace`) PS: The label `release=kube-prometheus-stack` is setup with the helmchart of the Prometheus Operator. For Grafana Dashboards it may be necessary to enable scanning in the correct namespaces (or ALL), enabled by `sidecar.dashboards.searchNamespace` in [Helmchart of grafana](https://artifacthub.io/packages/helm/grafana/grafana) (which is part of PrometheusOperator, so `grafana.sidecar.dashboards.searchNamespace`)

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