Spack Tutorial

Copyright 2021 Timothy Middelkoop. License CC by SA 3.0

Simple Spack Tutorial on a Raspberry Pi 4 on Ubuntu 20.10

Reading and References

• https://spack.io/
• https://spack.readthedocs.io/en/latest/index.html
• https://spack-tutorial.readthedocs.io/en/sc17/tutorial_environments.html
• https://spack.readthedocs.io/en/latest/environments.html

Setup account

echo "source ~/spack/share/spack/setup-env.sh" >> ~/.bashrc
echo "shopt -s globstar dotglob" >> ~/.bashrc
echo "export LESS=-icMR" >> ~/.bashrc
git config --global color.ui auto

Setup build environment

sudo apt-get install -y git python3 ca-certificates procps wget curl unzip jq build-essential automake gfortran

Setup Spack

git clone https://github.com/spack/spack.git ~/spack
source ~/spack/share/spack/setup-env.sh

Setup development environment

sudo apt-get install -y --no-install-recommends emacs-nox
sudo apt-get install -y aspell-en bash-completion rsync
git config --global core.editor 'emacs -nw' # overidden by GIT_EDITOR
git config --global push.default simple
git config --global pull.ff only
git config --global init.defaultBranch main

Setup project

install -dv ~/projects/spack-tutorial
cd ~/projects/spack-tutorial && git init
git config user.name ""
git config user.email ""

Setup spack project locally (project)

spack env create -d .
spack env activate -p -d .
echo '/.spack-env/' >> .gitignore
git add .gitignore

Setup an env

spack find
spack add python py-pip
git add spack.yaml spack.lock
spack install
spack find
spack config get

Deactivate environment

spack env deactivate

Setup VS Code

export EDITOR=code
echo '/.vscode/' >> .gitignore
git add .gitignore

Exclude ~/.spack-env in .vscode/settings.json from watcher due to size:

{"files.watcherExclude": { "**/.spack-env/**": true }}

Docker

Build and Run

./package.sh
docker run --rm -it spack-tutorial

Build and run the using the develop branch of Spack

docker build -t spack-develop --build-arg spack_branch=develop .
docker run --rm -it spack-develop

Cleanup Docker processes and images

docker rm  `docker ps --no-trunc -aq`
docker rmi `docker images --no-trunc -aq --filter "dangling=true"`