[ci] simplify CI configurations, parallelize compilation, test CUDA on Ubuntu 22.04

.appveyor.yml

@@ -27,10 +27,10 @@ install:
   - set PYTHON_VERSION=%CONFIGURATION%
   - set CONDA_ENV="test-env"
   - ps: |
+      $env:CMAKE_BUILD_PARALLEL_LEVEL = 4
       $env:MINICONDA = "C:\Miniconda3-x64"
       $env:PATH = "$env:MINICONDA;$env:MINICONDA\Scripts;$env:PATH"
       $env:BUILD_SOURCESDIRECTORY = "$env:APPVEYOR_BUILD_FOLDER"
-      $env:LGB_VER = (Get-Content $env:APPVEYOR_BUILD_FOLDER\VERSION.txt).trim()
 
 build: false
 

.ci/test.sh

@@ -10,6 +10,8 @@ SANITIZERS=${SANITIZERS:-""}
 
 ARCH=$(uname -m)
 
+LGB_VER=$(head -n 1 ${BUILD_DIRECTORY}/VERSION.txt)
+
 if [[ $OS_NAME == "macos" ]] && [[ $COMPILER == "gcc" ]]; then
     export CXX=g++-11
     export CC=gcc-11

.ci/test_windows.ps1

@@ -6,6 +6,8 @@ function Check-Output {
   }
 }
 
+$env:LGB_VER = (Get-Content $env:BUILD_SOURCESDIRECTORY\VERSION.txt).trim()
+
 # unify environment variable for Azure DevOps and AppVeyor
 if (Test-Path env:APPVEYOR) {
   $env:APPVEYOR = "true"

.github/workflows/cuda.yml

@@ -8,53 +8,41 @@ on:
     branches:
     - master
     - release/*
+  # Run manually by clicking a button in the UI
+  workflow_dispatch:
+    inputs:
+      restart_docker:
+        description: 'Restart nvidia-docker on the runner before building?'
+        required: true
+        type: boolean
+        default: false
 
 # automatically cancel in-progress builds if another commit is pushed
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
-env:
-  github_actions: 'true'
-  os_name: linux
-  conda_env: test-env
-
 jobs:
-  test:
-    name: ${{ matrix.task }} ${{ matrix.cuda_version }} ${{ matrix.method }} (linux, ${{ matrix.compiler }}, Python ${{ matrix.python_version }})
+  # Optionally reinstall + restart docker on the runner before building.
+  # This is safe as long as only 1 of these jobs runs at a time.
+  restart-docker:
+    name: set up docker
     runs-on: [self-hosted, linux]
-    timeout-minutes: 60
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - method: wheel
-            compiler: gcc
-            python_version: "3.11"
-            cuda_version: "11.8.0"
-            task: cuda
-          - method: source
-            compiler: gcc
-            python_version: "3.9"
-            cuda_version: "12.2.0"
-            task: cuda
-          - method: pip
-            compiler: clang
-            python_version: "3.10"
-            cuda_version: "11.8.0"
-            task: cuda
+    timeout-minutes: 30
     steps:
       - name: Setup or update software on host machine
+        if: ${{ inputs.restart_docker }}
         run: |
+            # install core packages
             sudo apt-get update
             sudo apt-get install --no-install-recommends -y \
                 apt-transport-https \
                 ca-certificates \
                 curl \
-                git \
                 gnupg-agent \
                 lsb-release \
                 software-properties-common
+            # set up nvidia-docker
             curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
             sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" -y
             curl -sL https://nvidia.github.io/nvidia-docker/gpgkey | sudo apt-key add -
@@ -67,43 +55,76 @@ jobs:
                 nvidia-docker2
             sudo chmod a+rw /var/run/docker.sock
             sudo systemctl restart docker
-      - name: Remove old folder with repository
-        run: sudo rm -rf $GITHUB_WORKSPACE
+      - name: mark job successful
+        run: |
+          exit 0
+  test:
+    name: ${{ matrix.task }} ${{ matrix.cuda_version }} ${{ matrix.method }} (linux, ${{ matrix.compiler }}, Python ${{ matrix.python_version }})
+    runs-on: [self-hosted, linux]
+    needs: [restart-docker]
+    container:
+      image: ${{ matrix.image }}
+      env:
+        CMAKE_BUILD_PARALLEL_LEVEL: 4
+        COMPILER: ${{ matrix.compiler }}
+        CONDA: /tmp/miniforge
+        CONDA_ENV: test-env
+        DEBIAN_FRONTEND: noninteractive
+        METHOD: ${{ matrix.method }}
+        OS_NAME: linux
+        PYTHON_VERSION: ${{ matrix.python_version }}
+        TASK: ${{ matrix.task }}
+      options: --gpus all
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - method: wheel
+            compiler: gcc
+            python_version: "3.11"
+            cuda_version: "11.8.0"
+            image: nvcr.io/nvidia/cuda:11.8.0-devel-ubuntu20.04
+            task: cuda
+          - method: source
+            compiler: gcc
+            python_version: "3.9"
+            cuda_version: "12.2.0"
+            image: nvcr.io/nvidia/cuda:12.2.0-devel-ubuntu22.04
+            task: cuda
+          - method: pip
+            compiler: clang
+            python_version: "3.10"
+            cuda_version: "11.8.0"
+            image: nvcr.io/nvidia/cuda:11.8.0-devel-ubuntu20.04
+            task: cuda
+    steps:
+      - name: Install latest git
+        run: |
+          apt-get update
+          apt-get install --no-install-recommends -y \
+              ca-certificates \
+              software-properties-common
+          add-apt-repository ppa:git-core/ppa -y
+          apt-get update
+          apt-get install --no-install-recommends -y \
+              git
       - name: Checkout repository
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
         with:
           fetch-depth: 5
           submodules: true
       - name: Setup and run tests
         run: |
-            export ROOT_DOCKER_FOLDER=/LightGBM
-            cat > docker.env <<EOF
-            GITHUB_ACTIONS=${{ env.github_actions }}
-            OS_NAME=${{ env.os_name }}
-            COMPILER=${{ matrix.compiler }}
-            TASK=${{ matrix.task }}
-            METHOD=${{ matrix.method }}
-            CONDA_ENV=${{ env.conda_env }}
-            PYTHON_VERSION=${{ matrix.python_version }}
-            BUILD_DIRECTORY=$ROOT_DOCKER_FOLDER
-            LGB_VER=$(head -n 1 VERSION.txt)
-            EOF
-            cat > docker-script.sh <<EOF
-            export CONDA=\$HOME/miniforge
-            export PATH=\$CONDA/bin:\$PATH
-            nvidia-smi
-            $ROOT_DOCKER_FOLDER/.ci/setup.sh || exit 1
-            $ROOT_DOCKER_FOLDER/.ci/test.sh || exit 1
-            EOF
-            cuda_version="${{ matrix.cuda_version }}"
-            cuda_major=${cuda_version%%.*}
-            docker_img="nvcr.io/nvidia/cuda:${cuda_version}-devel"
-            if [[ ${cuda_major} -eq 11 ]]; then
-                docker_img="${docker_img}-ubuntu18.04"
-            elif [[ ${cuda_major} -ge 12 ]]; then
-                docker_img="${docker_img}-ubuntu20.04"
-            fi
-            docker run --env-file docker.env -v "$GITHUB_WORKSPACE":"$ROOT_DOCKER_FOLDER" --rm --gpus all "$docker_img" /bin/bash $ROOT_DOCKER_FOLDER/docker-script.sh
+          export BUILD_DIRECTORY="$GITHUB_WORKSPACE"
+          export PATH=$CONDA/bin:$PATH
+
+          # check GPU usage
+          nvidia-smi
+
+          # build and test
+          $GITHUB_WORKSPACE/.ci/setup.sh
+          $GITHUB_WORKSPACE/.ci/test.sh
   all-cuda-jobs-successful:
     if: always()
     runs-on: ubuntu-latest

.github/workflows/linkchecker.yml

@@ -9,7 +9,6 @@ on:
 
 env:
   CONDA_ENV: test-env
-  GITHUB_ACTIONS: 'true'
   OS_NAME: 'linux'
   PYTHON_VERSION: '3.11'
   TASK: 'check-links'

.github/workflows/python_package.yml

@@ -15,8 +15,8 @@ concurrency:
   cancel-in-progress: true
 
 env:
+  CMAKE_BUILD_PARALLEL_LEVEL: 4
   CONDA_ENV: test-env
-  GITHUB_ACTIONS: 'true'
 
 jobs:
   test:
@@ -73,7 +73,6 @@ jobs:
               export OS_NAME="linux"
           fi
           export BUILD_DIRECTORY="$GITHUB_WORKSPACE"
-          export LGB_VER=$(head -n 1 VERSION.txt)
           export CONDA=${HOME}/miniforge
           export PATH=${CONDA}/bin:${PATH}
           $GITHUB_WORKSPACE/.ci/setup.sh || exit 1

.github/workflows/r_package.yml

@@ -15,6 +15,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
+  CMAKE_BUILD_PARALLEL_LEVEL: 4
   # hack to get around this:
   # https://stat.ethz.ch/pipermail/r-package-devel/2020q3/005930.html
   _R_CHECK_SYSTEM_CLOCK_: 0
@@ -189,7 +190,6 @@ jobs:
         run: |
           export TASK="${{ matrix.task }}"
           export COMPILER="${{ matrix.compiler }}"
-          export GITHUB_ACTIONS="true"
           if [[ "${{ matrix.os }}" == "macos-13" ]]; then
               export OS_NAME="macos"
           elif [[ "${{ matrix.os }}" == "ubuntu-latest" ]]; then
@@ -216,7 +216,6 @@ jobs:
           $env:R_VERSION = "${{ matrix.r_version }}"
           $env:R_BUILD_TYPE = "${{ matrix.build_type }}"
           $env:COMPILER = "${{ matrix.compiler }}"
-          $env:GITHUB_ACTIONS = "true"
           $env:TASK = "${{ matrix.task }}"
           & "$env:GITHUB_WORKSPACE/.ci/test_windows.ps1"
   test-r-sanitizers:

.github/workflows/static_analysis.yml

@@ -19,7 +19,6 @@ concurrency:
 env:
   COMPILER: 'gcc'
   CONDA_ENV: test-env
-  GITHUB_ACTIONS: 'true'
   OS_NAME: 'linux'
   PYTHON_VERSION: '3.11'
 

.vsts-ci.yml

@@ -11,6 +11,7 @@ pr:
 variables:
   AZURE: 'true'
   PYTHON_VERSION: '3.11'
+  CMAKE_BUILD_PARALLEL_LEVEL: 4
   CONDA_ENV: test-env
   runCodesignValidationInjection: false
   skipComponentGovernanceDetection: true
@@ -82,7 +83,6 @@ jobs:
   steps:
   - script: |
       echo "##vso[task.setvariable variable=BUILD_DIRECTORY]$BUILD_SOURCESDIRECTORY"
-      echo "##vso[task.setvariable variable=LGB_VER]$(head -n 1 VERSION.txt)"
       echo "##vso[task.prependpath]/usr/lib64/openmpi/bin"
       echo "##vso[task.prependpath]$CONDA/bin"
     displayName: 'Set variables'
@@ -159,7 +159,6 @@ jobs:
   steps:
   - script: |
       echo "##vso[task.setvariable variable=BUILD_DIRECTORY]$BUILD_SOURCESDIRECTORY"
-      echo "##vso[task.setvariable variable=LGB_VER]$(head -n 1 VERSION.txt)"
       CONDA=$HOME/miniforge
       echo "##vso[task.setvariable variable=CONDA]$CONDA"
       echo "##vso[task.prependpath]$CONDA/bin"
@@ -225,7 +224,6 @@ jobs:
       CONDA_ENV=$CONDA_ENV
       PYTHON_VERSION=$PYTHON_VERSION
       BUILD_DIRECTORY=$ROOT_DOCKER_FOLDER
-      LGB_VER=$(head -n 1 VERSION.txt)
       PRODUCES_ARTIFACTS=$PRODUCES_ARTIFACTS
       BUILD_ARTIFACTSTAGINGDIRECTORY=$BUILD_ARTIFACTSTAGINGDIRECTORY
       EOF
@@ -283,7 +281,6 @@ jobs:
   steps:
   - script: |
       echo "##vso[task.setvariable variable=BUILD_DIRECTORY]$BUILD_SOURCESDIRECTORY"
-      echo "##vso[task.setvariable variable=LGB_VER]$(head -n 1 VERSION.txt)"
       CONDA=$AGENT_HOMEDIRECTORY/miniforge
       echo "##vso[task.setvariable variable=CONDA]$CONDA"
       echo "##vso[task.prependpath]$CONDA/bin"