Initial import.

packer/Dockerfile

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+# Set up a packer image in Docker.
+FROM ubuntu:22.04
+MAINTAINER Kyle Isom <kyle@imap.cc>
+
+add . packer
+
+ENTRYPOINT ["/usr/bin/env", "bash"]

packer/README.md

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+# bladerunner/packer
+
+This directory contains the tooling to build raspberry pi images using
+packer.
+
+
+### Resources
+
+- [Build a Raspberry Pi image with Packer](https://linuxhit.com/build-a-raspberry-pi-image-packer-packer-builder-arm/)

packer/install-packer.sh

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+#!/usr/bin/env bash
+
+set -eux
+
+PACKER_VERSION=1.8.6
+INSTALL_DIR=/usr/local/bin
+ARCH=amd64
+PACKER_FILE=packer_${PACKER_VERSION}_linux_${ARCH}
+UPSTREAM="https://github.com/mkaczanowski/packer-builder-arm"
+UPGRADE="false"
+
+prep () {
+    mkdir -p build
+    pushd build
+}
+
+install_packer () {
+    if [ -x ${INSTALL_DIR}/packer ]
+    then
+	return 0
+    fi
+
+    curl -LO https://releases.hashicorp.com/packer/${PACKER_VERSION}/${PACKER_FILE}.zip
+    unzip ${PACKER_FILE}
+    sudo mv packer ${INSTALL_DIR}/
+    rm ${PACKER_FILE}.zip
+}
+
+install_packer_builder_arm () {
+    if [ -x "${INSTALL_DIR}/packer-builder-arm" -a -z "${UPGRADE}" ]
+    then
+	return 0
+    fi
+
+    git clone "${UPSTREAM}"
+    pushd "${UPSTREAM##*/}"
+    go mod download
+    go build
+    sudo mv packer-builder-arm ${INSTALL_DIR}/
+    popd
+}
+
+cleanup {
+    popd
+}
+
+prep
+install_packer
+install_packer_builder_arm
+cleanup