check-cvmfs.yml

---
# Check commits and incoming PRs that change scripts under cvmfs/.
name: Check CVMFS scripts

'on':
  push:
    paths:
      - 'cvmfs/**'
  pull_request:
    paths:
      - 'cvmfs/**'
    types:
      - opened
      - reopened
      - edited
      - ready_for_review
      - synchronize

permissions: {}

jobs:
  alienv:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install prerequisites
        run: |
          sudo apt update -y
          # python-ldap needs lib{ldap,sasl}2-dev
          sudo apt install -y libldap2-dev libsasl2-dev \
            build-essential bison texinfo environment-modules \
            python3-dev python3-pip python3-setuptools python3-wheel
          python3 -m pip install -r requirements.txt

      - name: Install an old bash
        run: |
          # Install and configure an old bash
          rm -rf ~/cached ~/scratch
          mkdir -p ~/cached ~/scratch
          curl -fSsL https://ftp.gnu.org/gnu/bash/bash-3.2.48.tar.gz |
            tar -xzC ~/scratch
          pushd ~/scratch/bash-3.2.48
            ./configure "--prefix=$HOME/cached"
            make -j4
            make install
          popd
          # Patch alienv and make it use our own, old, bash
          sed -i "1s|^#\!/bin/bash|#\!$HOME/cached/bin/bash|" cvmfs/alienv
          git --no-pager diff

      - name: Install CVMFS
        run: |
          # Install and configure CVMFS
          url=https://ecsft.cern.ch/dist/cvmfs/cvmfs-release/cvmfs-release-latest_all.deb
          wget -q "$url" || case $? in
            5) wget --no-check-certificate -q "$url";;
            *) exit 1;;
          esac
          unset url
          sudo dpkg -i cvmfs-release-latest_all.deb
          rm -f cvmfs-release-latest_all.deb
          sudo apt update -y
          sudo apt install -y cvmfs-dev cvmfs libtcl8.6 libx11-6
          sudo mkdir -p /cvmfs/alice.cern.ch
          sudo chown -R cvmfs:cvmfs /cvmfs
          echo CVMFS_HTTP_PROXY=DIRECT | sudo tee /etc/cvmfs/default.local
          sudo mount alice.cern.ch /cvmfs/alice.cern.ch -t cvmfs -o allow_other,grab_mountpoint
          ls -l /cvmfs/alice.cern.ch
          # Override remote alienv with ours
          md5sum /cvmfs/alice.cern.ch/bin/alienv
          md5sum "$PWD/cvmfs/alienv"
          sudo mount --bind "$PWD/cvmfs/alienv" /cvmfs/alice.cern.ch/bin/alienv
          md5sum /cvmfs/alice.cern.ch/bin/alienv
          cmp /cvmfs/alice.cern.ch/bin/alienv "$PWD/cvmfs/alienv"

      - name: Test alienv script
        run: |
          # Run the actual test
          set -exo pipefail

          pe () { printf '\033[31mERROR:\033[m %s\n' "$@" >&2; exit 1; }
          pi () { printf '\033[34mINFO:\033[m %s\n' "$@" >&2; }
          pt () { printf '\n\033[35m*** TEST: %s ***\033[m\n' "$@" >&2; }
          pg () { printf '\033[32mSUCCESS:\033[m %s\n' "$@" >&2; }

          # Check if required conditions to run the test are met
          [ -d .git ] || pe "you must run from the Git repository root"

          # We normally test `alienv` faked as being on CVMFS. For local tests
          # we might want to override it
          ALIENV=/cvmfs/alice.cern.ch/bin/alienv
          pi "Testing alienv from $ALIENV"

          tag=AliPhysics/v5-09-59r-01_O2-1

          # Overriding platform (not important for our tests)
          export ALIENV_OVERRIDE_PLATFORM=el7
          pi "Overriding platform to $ALIENV_OVERRIDE_PLATFORM"

          for np in /tmp/alienv_bin /tmp/alienv_path/bin; do
            pt "run alienv from a non-standard path ($np) with full symlink"
            ( mkdir -p "$np"
              ln -nfs "$ALIENV" "$np/alienv"
              # shellcheck disable=SC2030
              export PATH=$np:$PATH
              ALIENV_DEBUG=1 alienv printenv "$tag"
            ) || exit $?
          done

          np=/tmp/alienv_symlink/bin
          pt "run alienv from a non-standard path ($np) with relative symlink"
          ( mkdir -p "$np"
            ln -nfs "$(dn=$(dirname "$ALIENV"); while [ "$dn" != / ]; do dn=$(dirname "$dn"); printf ../; done)$ALIENV" "$np/alienv"
            # shellcheck disable=SC2030,SC2031
            export PATH=$np:$PATH
            ALIENV_DEBUG=1 alienv printenv "$tag"
          ) || exit $?
          unset np
          # shellcheck disable=SC2031
          PATH=$(dirname "$ALIENV"):$PATH
          export PATH
          [ "$(command -v alienv)" = "$ALIENV" ]

          pt "test package reordering"
          (ALIENV_DEBUG=1 alienv setenv "VO_ALICE@AliEn-Runtime::v2-19-le-143,VO_ALICE@ROOT::v6-28-04-alice3-5,$tag" -c true 2>&1 || :) |
            tee /dev/stderr |
            grep 'normalized to AliPhysics/v5-09-59r-01_O2-1 ROOT/v6-28-04-alice3-5 AliEn-Runtime/v2-19-le-143'

          pt "test checkenv command with a successful combination"
          alienv checkenv "$tag,AliRoot/$(basename "$tag" | sed 's/-01//')" ||
            pe "expected 0, returned $?"

          pt "test checkenv command with a faulty combination"
          if alienv checkenv "$tag,AliPhysics/vAN-20240214_O2-1" 2>&1; then
            pe "expected failure, returned $?"
          fi | grep -q 'conflicting version' ||
            pe "could not find expected output message"

          # "alienv q" takes too long in a GitHub workflow (>45 min).
          # pt "list AliPhysics packages"
          # alienv q | grep AliPhysics | tail -n5

          pg "all tests successful"