← VHNIC diagrams

Observability And Alerting

Last updated: 2026-06-21

This diagram shows how the monitoring stack collects data, displays dashboards,

and sends Discord notifications.

Metrics Flow

flowchart TB subgraph Sources["Observed systems"] Synology["Synology host\nNode exporter"] Docker["Docker containers\ncAdvisor"] Blackbox["HTTP/TCP/DNS probes\nBlackbox exporter"] Tdarr["Tdarr DB/API exporter"] Tautulli["Tautulli/Plex exporter"] UniFi["UniFi Integration API exporter"] PiHole["Pi-hole DNS probes\nPiHolePi4 + PiHole4B"] SynologyLogs["Synology log exporter\nDSM/Btrfs/core/storage signals"] Backups["Backup freshness metrics\nPi-hole/appdata/report checks"] end subgraph Observability["Synology Volume 5 observability stack"] Homepage["Homepage portal\nservice + dashboard launchpad"] Prometheus["Prometheus\nscrape + rules"] Grafana["Grafana dashboards"] Alertmanager["Alertmanager"] DiscordBridge["Discord alert bridge"] end Discord["Discord #vhnic-alerts\nwarning alerts only"] Synology --> Prometheus Docker --> Prometheus Blackbox --> Prometheus Tdarr --> Prometheus Tautulli --> Prometheus UniFi --> Prometheus PiHole --> Prometheus SynologyLogs --> Prometheus Backups --> Prometheus Homepage --> Grafana Prometheus --> Grafana Prometheus --> Alertmanager Alertmanager --> DiscordBridge --> Discord

Dashboard Coverage

flowchart LR Grafana["Grafana"] Service["VHNIC Service Health"] SynDocker["VHNIC Synology and Docker Metrics"] Pihole["VHNIC Pi-hole DNS Health"] Unifi["VHNIC UniFi Network Health"] Tdarr["VHNIC Tdarr Progress"] Footprint["Container footprint review\nHomepage docs"] Plex["VHNIC Plex Activity"] Infra["VHNIC Infrastructure Overview"] Alerts["VHNIC Alert Watch"] Public["VHNIC Public Exposure"] Storage["VHNIC Storage Integrity"] Stack["VHNIC Observability Stack Health"] BackupDash["VHNIC Backup and Optional Node Health"] Homepage["Homepage\nVHNIC portal"] Homepage --> Grafana Grafana --> Service Grafana --> SynDocker Grafana --> Pihole Grafana --> Unifi Grafana --> Tdarr Homepage --> Footprint Grafana --> Plex Grafana --> Infra Grafana --> Alerts Grafana --> Public Grafana --> Storage Grafana --> Stack Grafana --> BackupDash

Alerting Rules Of Thumb