docker-direwolf's Introduction

📡 docker-direwolf

A multi-platform image for running Direwolf for APRS projects

Installing

Docker

docker pull w2bro/direwolf

Kubernetes

helm repo add w2bro https://radio-charts.w2bro.dev
helm install w2bro/direwolf

Environment Variables

Variable	Required	Description
`CALLSIGN`	Yes	Your callsign & SSID, example `N0CALL-10`
`PASSCODE`	Yes	Passcode for igate login, find passcode here
`LATITUDE`	Yes	Latitude for PBEACON, example `42^37.14N`
`LONGITUDE`	Yes	Longitude for PBEACON, example `071^20.83W`
`COMMENT`	No	Override PBEACON default comment, do not use the `~` character
`SYMBOL`	No	APRS symbol for PBEACON, defaults to `igate`
`IGSERVER`	No	Override with the APRS server for your region, default for North America `noam.aprs2.net`
`ADEVICE`	No	Override Direwolf's ADEVICE for digipeater, default is `stdin null` for receive-only igate
`FREQUENCY`	No	Override `rtl_fm` input frequency, default `144.39M` North America APRS
`DW_STANDALONE`	No	Set to any value to disable rtl_fm, useful in digipeater applications. Must also set `ADEVICE`
`DWARGS`	No	Set to add/pass any arguments to the direwolf executable, example `-t 0` for no color logs

Example Usage

Kubernetes

Example deployment to run on a k3s Raspberry Pi node with a RTL-SDR Blog v3 dongle plugged into one of the USB ports

apiVersion: apps/v1
kind: Deployment
metadata:
  name: aprs-igate
  namespace: ham-radio
spec:
  replicas: 1
  selector:
    matchLabels:
      app: aprs-igate
  template:
    metadata:
      labels:
        app: aprs-igate
    spec:
      nodeName: homelab-pi4b-node-attic-2
      containers:
      - name: direwolf
        image: w2bro/direwolf
        imagePullPolicy: Always
        securityContext:
          privileged: true
        env:
        - name: CALLSIGN
          value: N0CALL-10
        - name: PASSCODE
          value: "12345"
        - name: FREQUENCY
          value: 144.39M
        - name: LATITUDE
          value: 42^37.14N
        - name: LONGITUDE
          value: 071^20.83W
        volumeMounts:
        - mountPath: /dev/bus/usb/001/004
          name: rtl
      volumes:
      - name: rtl
        hostPath:
          path: /dev/bus/usb/001/004

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