commit 6df60caedc74a9ade0d7f878ad644673093e8c49
Author: Kyle Isom <kyle@imap.cc>
Date:   Sun Apr 9 18:31:44 2023 -0700

    Initial import.

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+packer/build
\ No newline at end of file
diff --git a/README.md b/README.md
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+++ b/README.md
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+# bladerunner
+
+This is my setup for my
+[computeblade](https://publish.obsidian.md/ai6ua/Projects/Computing/ComputeBlade)
+cluster, which will theoretically be here around September 2023.
diff --git a/packer/Dockerfile b/packer/Dockerfile
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+++ b/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"]
diff --git a/packer/README.md b/packer/README.md
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+++ b/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/)
diff --git a/packer/install-packer.sh b/packer/install-packer.sh
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+++ b/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 ${INSTALL_DIR}/
+    popd
+}
+
+cleanup {
+    popd
+}
+
+prep
+install_packer
+install_packer_builder_arm
+cleanup
diff --git a/tools/install-go.sh b/tools/install-go.sh
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+++ b/tools/install-go.sh
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+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+INSTALL_DIR="/usr/local/bin"
+GODEB=https://godeb.s3.amazonaws.com/godeb-${ARCH}.tar.gz
+GOVERSION=1.20.3
+
+preflight () {
+
+    if [ "$(uname -s)" != "Linux" ]
+    then
+	echo '[!] godeb is only supported on Linux.' > /dev/stderr
+	exit 1
+    fi
+
+    case "$(uname -m)" in
+	amd64) ARCH="amd64" ;;
+	arm64) ARCH="arm64" ;;
+	*)
+	    echo "[!] $(uname -m) is an unsupported architecture." > /dev/stderr
+	    echo '[!] supported architectures: amd64, arm64' > /dev/stderr
+	    ;;
+    esac
+}
+
+install_godeb () {
+    if [ -x "${INSTALL_DIR}/godeb" ]
+    then
+	return 0
+    fi
+
+    local GODEB_ARCHIVE="${GODEB##*/}"
+
+    pushd /tmp
+    curl -LO "${GODEB}"
+    tar xzf "${GODEB_ARCHIVE}"
+    sudo mv godeb "${INSTALL_DIR}/"
+    rm "${GODEB_ARCHIVE}"
+    popd
+}
+
+install_go {
+    pushd /tmp
+    echo '[*] installing go - this will request sudo'
+    godeb install "${GOVERSION}"
+    # note: deliberately leaving this in /tmp for inspection
+    # if needed.
+    popd
+}