Add example Umbrel OS build

.gitignore

@@ -33,6 +33,8 @@ logs/*
 statuses/*
 tor/*
 app-data/*
+os/packer_cache
+os/*.img
 
 # Commit these files
 

os/build.sh

@@ -0,0 +1,6 @@
+docker run \
+  --rm \
+  --privileged \
+  -v /dev:/dev \
+  -v ${PWD}:/build \
+  mkaczanowski/packer-builder-arm build raspberrypi.json

os/provision.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+set -euox pipefail
+
+UMBREL_VERSION="v0.3.13"
+UMBREL_ROOT="/home/umbrel/umbrel"
+
+export DEBIAN_FRONTEND=noninteractive
+
+# Setup Umbrel OS
+# -----------------------
+
+# Update package lists
+apt-get update
+
+# Set UMBREL_OS environment variable
+# TODO: Find the correct place to set this
+echo "UMBREL_OS=${UMBREL_VERSION}" >> /etc/environment
+echo "export UMBREL_OS=${UMBREL_VERSION}" >> /etc/default/umbrel
+
+# Change hostname to Umbrel
+echo umbrel > /etc/hostname
+
+# Install Avahi
+apt-get install -y avahi-daemon avahi-discover libnss-mdns
+
+# Create umbrel user
+password_hash=$(perl -e 'print crypt("moneyprintergobrrr", "salt")')
+useradd --create-home --groups sudo --password $password_hash umbrel
+
+# Pi OS specific tweaks
+# -----------------------
+
+# Enable SSH
+touch /boot/ssh
+
+# Delete Pi user
+pkill --euid pi || true
+deluser --remove-home pi
+
+# Umbrel installation
+# -------------------
+
+# Install Docker
+apt-get install -y curl
+curl -fsSL https://get.docker.com | sh
+usermod --append --groups docker umbrel
+
+# Install docker-compose
+apt-get install -y python3-pip libffi-dev
+pip3 install docker-compose
+
+# Install Umbrel
+apt-get install -y python3-qrcode fswatch rsync jq
+mkdir "${UMBREL_ROOT}"
+(
+  cd "${UMBREL_ROOT}" &&
+  curl -L "https://github.com/getumbrel/umbrel/archive/${UMBREL_VERSION}.tar.gz" | tar -xz --strip-components=1 &&
+  UMBREL_SYSTEMD_SERVICES="${UMBREL_ROOT}/scripts/umbrel-os/services/*.service"
+  for service_path in $UMBREL_SYSTEMD_SERVICES; do
+    service_name=$(basename "${service_path}")
+    install -m 644 "${service_path}" "/etc/systemd/system/${service_name}"
+    systemctl enable "${service_name}"
+  done
+)

os/raspberrypi.json

@@ -0,0 +1,41 @@
+{
+  "variables": {},
+  "builders": [{
+    "type": "arm",
+    "file_urls" : ["https://downloads.raspberrypi.org/raspios_lite_arm64/images/raspios_lite_arm64-2021-05-28/2021-05-07-raspios-buster-arm64-lite.zip"],
+    "file_checksum": "868cca691a75e4280c878eb6944d95e9789fa5f4bbce2c84060d4c39d057a042",
+    "file_checksum_type": "sha256",
+    "file_target_extension": "zip",
+    "image_build_method": "resize",
+    "image_path": "umbrel-os.img",
+    "image_size": "4G",
+    "image_type": "dos",
+    "image_partitions": [
+      {
+        "name": "boot",
+        "type": "c",
+        "start_sector": "8192",
+        "filesystem": "vfat",
+        "size": "256M",
+        "mountpoint": "/boot"
+      },
+      {
+        "name": "root",
+        "type": "83",
+        "start_sector": "532480",
+        "filesystem": "ext4",
+        "size": "0",
+        "mountpoint": "/"
+      }
+    ],
+    "image_chroot_env": ["PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin"],
+    "qemu_binary_source_path": "/usr/bin/qemu-aarch64-static",
+    "qemu_binary_destination_path": "/usr/bin/qemu-aarch64-static"
+  }],
+  "provisioners": [
+    {
+      "type": "shell",
+      "script": "provision.sh"
+    }
+  ]
+}