Completely rewrite the GitLab CI configuration.

It no longer uses Acts Docker images, but rather uses minimal
images. With the build and test jobs picking up most of the
dependencies of the project from CVMFS.

Author: krasznaa

.gitlab-ci.yml

@@ -1,39 +1,76 @@
 # TRACCC library, part of the ACTS project (R&D line)
 #
-# (c) 2022-2023 CERN for the benefit of the ACTS project
+# (c) 2022-2024 CERN for the benefit of the ACTS project
 #
 # Mozilla Public License Version 2.0
 
+# Stages of the CI build.
 stages:
   - build
   - test
 
+# Job-wide variables.
+variables:
+  ALMA9_PACKAGES: make which wget tar atlas-devel curl-devel libX11-devel libXpm-devel libXft-devel libXext-devel libXi-devel openssl-devel glib2-devel glibc-devel gmp-devel rpm-build mesa-libGL-devel mesa-libGLU-devel mesa-libEGL-devel libuuid-devel man-db libxkbcommon-devel xz-devel libaio-devel expat-devel libtirpc-devel
+  UBUNTU_PACKAGES: git wget lsb-core libx11-dev libxpm-dev libxft-dev libxext-dev libxi-dev libssl-dev libgmp-dev libgl1-mesa-dev libglu1-mesa-dev libegl1-mesa-dev
 
-build_cuda:
-  tags: [docker]
+# Template for all build jobs.
+.build_template: &build_job
   stage: build
-  image: ghcr.io/acts-project/ubuntu2004_cuda:v30
+  tags: [docker]
+  script:
+    - git clone $CLONE_URL traccc-src
+    - git -C traccc-src checkout $HEAD_SHA
+    - cmake ${CMAKE_ARGUMENTS} -S traccc-src -B traccc-build 2>&1 | tee cmake_config.log
+    - cmake --build traccc-build 2>&1 | tee cmake_build.log
   artifacts:
+    when: always
+    expose_as: 'Build Artifacts'
     paths:
-      - build
-  script:
-      - git clone $CLONE_URL src
-      - git -C src checkout $HEAD_SHA
-      - cmake --preset cuda -DCMAKE_BUILD_TYPE=Release -S src -B build -G Ninja
-      - cmake --build build --parallel 2
+      - cmake_config.log
+      - cmake_build.log
+      - traccc-src/
+      - traccc-build/
+    expire_in: 1 week
 
-test_cuda:
+# Template for all test jobs.
+.test_template: &test_job
   stage: test
   tags: [docker-gpu-nvidia]
-  image: ghcr.io/acts-project/ubuntu2004_cuda:v30
-  needs:
-    - build_cuda
   script:
-    - git clone $CLONE_URL src
-    - cd src
-    - git checkout $HEAD_SHA
-    - data/traccc_data_get_files.sh
-    - cd ..
-    - cd build
     - nvidia-smi
-    - ctest --output-on-failure -E "^SeedingValidation/CompareWithActsSeedingTests.*"
+    - ./traccc-src/data/traccc_data_get_files.sh
+    - ctest ${CTEST_ARGUMENTS} --test-dir traccc-build --output-on-failure 2>&1 | tee cmake_ctest.log
+  artifacts:
+    when: always
+    expose_as: 'Test Artifacts'
+    paths:
+      - cmake_ctest.log
+    expire_in: 1 week
+
+# Template for all x86_64-el9-gcc11 CUDA jobs.
+.x86_64_el9_gcc11_cuda_template: &x86_64_el9_gcc11_cuda_job
+  image: gitlab-registry.cern.ch/linuxsupport/alma9-base:latest
+  before_script:
+    - dnf install -y ${ALMA9_PACKAGES}
+    - source /cvmfs/sft.cern.ch/lcg/views/${LCG_VERSION}/x86_64-el9-gcc11-opt/setup.sh
+    - source /cvmfs/sft.cern.ch/lcg/contrib/cuda/${CUDA_VERSION}/x86_64-centos7/setup.sh
+
+# x86_64-el9-gcc11 CUDA jobs.
+build:x86_64_el9_gcc11:cuda:
+  <<: *build_job
+  <<: *x86_64_el9_gcc11_cuda_job
+  variables:
+    LCG_VERSION: LCG_105a
+    CUDA_VERSION: 11.8
+    CMAKE_ARGUMENTS: --preset cuda
+    CMAKE_BUILD_PARALLEL_LEVEL: 2
+
+test:x86_64_el9_gcc11:cuda:
+  <<: *test_job
+  <<: *x86_64_el9_gcc11_cuda_job
+  variables:
+    LCG_VERSION: LCG_105a
+    CTEST_ARGUMENTS: -E "^SeedingValidation/CompareWithActsSeedingTests.*"
+  dependencies:
+    - build:x86_64_el9_gcc11:cuda