homelab

• ansible: My ansible config to capture telemetry and syslogs from Raspberry Pis.
• baseimage: Flakes for generating minimal NixOS images for VMs and SD cards.
• esphome: My esphome (ESP32 + Home Assistant) configs.
• nixos: My NixOS home lab system configs flake.

Diagrams

Machines

graph TD
    wan((WAN)) --- gw{{Gateway}}
    gw --- lan{LAN}
    nc1("nc-um350-1<br/>(nomad client)") --- lan
    nc2("nc-um350-2<br/>(nomad client)") --- lan
    nas("mininas<br/>(NAS)") --- lan
    lan --- pve1
    lan --- pve3
    lan --- pve4
    subgraph pve1 ["pve1 (16GB hypervisor)"]
        direction RL
        nexus("nexus")
        witness("witness<br/>(nomad server)")
    end
    subgraph pve3 ["pve3 (64GB hypervisor)"]
        direction RL
        fastd("fastd<br/>(database)")
        kube1("kube1")
        nc-virt-1("nc-virt-1<br/>(nomad client)")
        web("web")
    end
    subgraph pve4 ["pve4 (64GB hypervisor)"]
        direction RL
        ci-runner1("ci-runner1<br/>(forgejo)")
        eph("eph")
        kube2("kube2")
        metrics("metrics")
        unifi("unifi")
    end

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Monitoring

graph LR
    ha([home assistant]) ---> influxdb
    subgraph nixos ["all nixos nodes"]
        nix-telegraf([telegraf])
        nix-syslog([syslog])
    end
    subgraph nomad-nodes ["all nomad client nodes"]
        nomad([nomad client]) --> nomad-telegraf([telegraf])
        docker([docker logs]) --> nomad-vector([vector])
    end
    subgraph metrics ["node: metrics"]
        metrics-telegraf(["telegraf<br/>- ping checks<br/>- url checks"])
        metrics-telegraf --> influxdb([influxdb])
        loki([loki])
        nix-telegraf ---> influxdb
        nix-syslog ---> loki
        nomad-telegraf --> influxdb
        nomad-vector --> loki
    end
    influxdb -.-> grafana([grafana])
    loki -.-> grafana

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