Files
Andrei Kvapil 1a7e75677c docs: Add Hubble as observability source (#1782)
Fixes #749

## Changes
- Add documentation explaining how to enable Hubble for network
observability in Grafana
- Add four Grafana dashboards for Hubble metrics visualization
(Overview, DNS, L7 HTTP, Network)
- Register Hubble dashboards in the monitoring package

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Introduced Hubble DNS Overview dashboard for namespace-level DNS
metrics visibility.
* Introduced Hubble L7 HTTP Metrics dashboard for HTTP request and
performance monitoring.
* Introduced Hubble Network Overview dashboard for network flows and
policy insights.

* **Documentation**
* Added comprehensive Hubble observability guide covering setup,
configuration, and troubleshooting.

<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-01-20 03:48:23 +01:00
..
2026-01-15 23:32:41 +00:00
2024-08-12 14:47:11 +02:00
2025-07-30 16:31:24 +03:00
2024-07-16 17:31:52 +02:00
2025-09-24 12:32:37 +02:00

Monitoring Hub

Parameters

Common parameters

Name Description Type Value
host The hostname used to access Grafana externally (defaults to 'grafana' subdomain for the tenant host). string ""

Metrics storage configuration

Name Description Type Value
metricsStorages Configuration of metrics storage instances. []object [...]
metricsStorages[i].name Name of the storage instance. string ""
metricsStorages[i].retentionPeriod Retention period for metrics. string ""
metricsStorages[i].deduplicationInterval Deduplication interval for metrics. string ""
metricsStorages[i].storage Persistent volume size. string 10Gi
metricsStorages[i].storageClassName StorageClass used for the data. string ""
metricsStorages[i].vminsert Configuration for vminsert. object {}
metricsStorages[i].vminsert.minAllowed Minimum guaranteed resources. object {}
metricsStorages[i].vminsert.minAllowed.cpu CPU request. quantity ""
metricsStorages[i].vminsert.minAllowed.memory Memory request. quantity ""
metricsStorages[i].vminsert.maxAllowed Maximum allowed resources. object {}
metricsStorages[i].vminsert.maxAllowed.cpu CPU limit. quantity ""
metricsStorages[i].vminsert.maxAllowed.memory Memory limit. quantity ""
metricsStorages[i].vmselect Configuration for vmselect. object {}
metricsStorages[i].vmselect.minAllowed Minimum guaranteed resources. object {}
metricsStorages[i].vmselect.minAllowed.cpu CPU request. quantity ""
metricsStorages[i].vmselect.minAllowed.memory Memory request. quantity ""
metricsStorages[i].vmselect.maxAllowed Maximum allowed resources. object {}
metricsStorages[i].vmselect.maxAllowed.cpu CPU limit. quantity ""
metricsStorages[i].vmselect.maxAllowed.memory Memory limit. quantity ""
metricsStorages[i].vmstorage Configuration for vmstorage. object {}
metricsStorages[i].vmstorage.minAllowed Minimum guaranteed resources. object {}
metricsStorages[i].vmstorage.minAllowed.cpu CPU request. quantity ""
metricsStorages[i].vmstorage.minAllowed.memory Memory request. quantity ""
metricsStorages[i].vmstorage.maxAllowed Maximum allowed resources. object {}
metricsStorages[i].vmstorage.maxAllowed.cpu CPU limit. quantity ""
metricsStorages[i].vmstorage.maxAllowed.memory Memory limit. quantity ""

Logs storage configuration

Name Description Type Value
logsStorages Configuration of logs storage instances. []object [...]
logsStorages[i].name Name of the storage instance. string ""
logsStorages[i].retentionPeriod Retention period for logs. string 1
logsStorages[i].storage Persistent volume size. string 10Gi
logsStorages[i].storageClassName StorageClass used to store the data. string replicated

Alerta configuration

Name Description Type Value
alerta Configuration for the Alerta service. object {}
alerta.storage Persistent volume size for the database. string 10Gi
alerta.storageClassName StorageClass used for the database. string ""
alerta.resources Resource configuration. object {}
alerta.resources.requests Resource requests. object {}
alerta.resources.requests.cpu CPU request. quantity 100m
alerta.resources.requests.memory Memory request. quantity 256Mi
alerta.resources.limits Resource limits. object {}
alerta.resources.limits.cpu CPU limit. quantity 1
alerta.resources.limits.memory Memory limit. quantity 1Gi
alerta.alerts Alert routing configuration. object {}
alerta.alerts.telegram Configuration for Telegram alerts. object {}
alerta.alerts.telegram.token Telegram bot token. string ""
alerta.alerts.telegram.chatID Telegram chat ID(s), separated by commas. string ""
alerta.alerts.telegram.disabledSeverity List of severities without alerts (e.g. ["informational","warning"]). []string []
alerta.alerts.slack Configuration for Slack alerts. object {}
alerta.alerts.slack.url Configuration uri for Slack alerts. string ""
alerta.alerts.slack.disabledSeverity List of severities without alerts (e.g. ["informational","warning"]). []string []

Grafana configuration

Name Description Type Value
grafana Configuration for Grafana. object {}
grafana.db Database configuration. object {}
grafana.db.size Persistent volume size for the database. string 10Gi
grafana.resources Resource configuration. object {}
grafana.resources.requests Resource requests. object {}
grafana.resources.requests.cpu CPU request. quantity 100m
grafana.resources.requests.memory Memory request. quantity 256Mi
grafana.resources.limits Resource limits. object {}
grafana.resources.limits.cpu CPU limit. quantity 1
grafana.resources.limits.memory Memory limit. quantity 1Gi

Vmagent configuration

Name Description Type Value
vmagent Configuration for VictoriaMetrics Agent. object {}
vmagent.externalLabels External labels applied to all metrics. object {}
vmagent.remoteWrite Remote write configuration. object {}