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CONTRIBUTING.md

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Contributing Guide

This guide will discuss how one can contribute back to this project. First, you will need to clone this repository locally.

git clone https://software.nersc.gov/NERSC/spack-infrastructure.git

You will need to setup a Personal Access Token in order to clone via HTTPS since git over ssh is disabled.

The typical contribution process will be as follows:

git checkout -b <featureX>
git add <file1> <file2> ... <fileN>
git commit -m "COMMIT MESSAGE"
git push

Please create a feature branch, add the files that need to be changed, commit and push your changes. Next create a merge request to main branch.

If you want to reproduce the steps in the CI, we encourage you review the .gitlab-ci.yml and run the instructions to recreate the environment.

Once you clone this repo locally, you can source the setup-env.sh script.

cd spack-infrastructure
source setup-env.sh

This script will create a python environment where you can perform spack builds. This script will set CI_PROJECT_DIR to root of spack-infrastructure project.

(spack-pyenv) siddiq90@login31> echo $CI_PROJECT_DIR
/global/homes/s/siddiq90/gitrepos/software.nersc.gov/spack-infrastructure

Troubleshooting CI builds

First you will need to review the pipeline build in https://software.nersc.gov/NERSC/spack-infrastructure/-/pipelines and login as e4s user on the appropriate system. At top of pipeline you will see location where project was cloned typically this would be in $CFS/m3503. The content would look something like

Reinitialized existing Git repository in /global/cfs/cdirs/m3503/ci/oGV2kxLA/0/NERSC/spack-infrastructure/.git/

You will need to navigate to the directory and then repeat the steps specified in .gitlab-ci.yml to reproduce the issue.

How to add a new E4S stack

All spack configuration are stored in spack-configs, so if you want to add a new spack configuration please create a new directory to store your spack configuration. You can use the directory format <site>-e4s-<e4s version> to map a E4S release to a particular system so cori-e4s-22.02 refers to E4S 22.02 release built for Cori.

You will need to create one or more gitlab job in .gitlab-ci.yml to ensure gitlab can run the pipeline. We recommend you create a scheduled pipeline in order to run job on a scheduled basis. The scheduled pipeline must define name PIPELINE_NAME with name of gitlab job to run.

The production pipelines should not run via scheduled pipeline, instead they should be run manually via web interface. The production pipeline should only be run when one need to redeploy the entire stack due to rebuild.

Building User Documentation

The documentation is built using sphinx and hosted on readthedocs. We have enabled Preview Documentation from Pull Requests. When a pull request or push event occurs, the documentation will be rebuilt and hosted. This allows us to preview the changes during the review process.

If you want to build documentation locally, use the following steps:

  1. Create a python virtual environment and activate the environment
python3 -m venv $HOME/nersc-spack
source $HOME/nersc-spack/bin/activate
  1. Install the dependencies
pip install -r docs/requirement.txt
  1. Build the documentation
cd docs
make clean
make html

Shown below is a typical build for documentation

(nersc-spack)  ~/Documents/github/spack-infrastructure/docs/ [update_contributing_guide*] make clean
Removing everything under '_build'...
(nersc-spack)  ~/Documents/github/spack-infrastructure/docs/ [update_contributing_guide*] make html 
Running Sphinx v5.1.1
making output directory... done
myst v0.18.0: MdParserConfig(commonmark_only=False, gfm_only=False, enable_extensions=[], disable_syntax=[], all_links_external=False, url_schemes=('http', 'https', 'mailto', 'ftp'), ref_domains=None, highlight_code_blocks=True, number_code_blocks=[], title_to_header=False, heading_anchors=None, heading_slug_func=None, footnote_transition=True, words_per_minute=200, sub_delimiters=('{', '}'), linkify_fuzzy_links=True, dmath_allow_labels=True, dmath_allow_space=True, dmath_allow_digits=True, dmath_double_inline=False, update_mathjax=True, mathjax_classes='tex2jax_process|mathjax_process|math|output_area')
building [mo]: targets for 0 po files that are out of date
building [html]: targets for 3 source files that are out of date
updating environment: [new config] 3 added, 0 changed, 0 removed
reading sources... [100%] spack_configs                                                                                                                                                                                                    
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
preparing documents... done
writing output... [100%] spack_configs                                                                                                                                                                                                     
generating indices... genindex done
writing additional pages... search done
copying static files... done
copying extra files... done
dumping search index in English (code: en)... done
dumping object inventory... done
build succeeded.

The HTML pages are in _build/html.

The documentation page can be accessible by opening the file _build/html/index.html in your browser. Alternatively you can use the open command from your terminal

open _build/html/index.html

Sphinx will read a configuration file, conf.py, when building the documentation

Please refer to the Configuration section of the Sphinx documentation for more details.