windows.yml

name: MLOS Windows

on:
  workflow_dispatch:
    inputs:
      tags:
        description: Manual MLOS Linux run
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  # Windows jobs aren't required to pass atm for the merge group to pass.
  #merge_group:
  #  types: [checks_requested]
  schedule:
    - cron: "1 0 * * *"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: true

jobs:
  WindowsCondaBuildTest:
    name: Windows Build/Test with Conda

    runs-on: windows-latest

    permissions:
      contents: read

    defaults:
      run:
        shell: pwsh

    env:
      CONDA_ENV_NAME: mlos
      CONDA_ENV_YML: mlos-windows.yml
      cache_cur_date: unset
      cache_cur_hour: unset
      cache_prev_hour: unset

    steps:
    - uses: actions/checkout@v4

    - uses: conda-incubator/setup-miniconda@v3

    - name: Set cache timestamp variables
      id: set_cache_vars
      run: |
        "cache_cur_date=$(date -u +%Y-%m-%d)" >> $env:GITHUB_ENV
        "cache_cur_hour=$(date -u +%H)" >> $env:GITHUB_ENV
        "cache_prev_hour=$(date -u -d'1 hour ago' +%H)" >> $env:GITHUB_ENV
        "CONDA=$env:CONDA" >> $env:GITHUB_ENV

    - name: Add conda libs to the PATH
      run: |
        $env:PATH = "$env:CONDA\condabin;$env:PATH"
        $env:PATH = "$env:CONDA\bin;$env:PATH"
        $env:PATH = "$env:CONDA\Scripts;$env:PATH"
        $env:PATH = "$env:CONDA\Library\bin;$env:PATH"
        $env:PATH = "$env:CONDA\Library\usr\bin;$env:PATH"
        $env:PATH = "$env:CONDA\Library\bin;$env:PATH"
        $env:PATH = "$env:CONDA\Library\mingw-w64\bin;$env:PATH"
        $env:PATH = "$env:CONDA;$env:PATH"
        "PATH=$env:PATH" >> $env:GITHUB_ENV

    - name: Restore cached conda environment
      id: restore-conda-cache
      if: github.event_name != 'schedule'
      uses: actions/cache@v4
      with:
        path: ${{ env.CONDA }}/envs/mlos
        key: conda-${{ runner.os }}-${{ env.CONDA_ENV_NAME }}-${{ hashFiles('conda-envs/${{ env.CONDA_ENV_YML }}') }}-${{ hashFiles('mlos_*/pyproject.toml') }}-${{ hashFiles('mlos_*/setup.py') }}-${{ env.cache_cur_date }}-${{ env.cache_cur_hour }}
        restore-keys: |
          conda-${{ runner.os }}-${{ env.CONDA_ENV_NAME }}-${{ hashFiles('conda-envs/${{ env.CONDA_ENV_YML }}') }}-${{ hashFiles('mlos_*/pyproject.toml') }}-${{ hashFiles('mlos_*/setup.py') }}-${{ env.cache_cur_date }}-${{ env.cache_prev_hour }}
          conda-${{ runner.os }}-${{ env.CONDA_ENV_NAME }}-${{ hashFiles('conda-envs/${{ env.CONDA_ENV_YML }}') }}-${{ hashFiles('mlos_*/pyproject.toml') }}-${{ hashFiles('mlos_*/setup.py') }}-${{ env.cache_cur_date }}

    - name: Log some environment variables for debugging
      run: |
        Get-ChildItem -Recurse Env:
        Write-Host "cache_cur_date: $env:cache_cur_date"
        Write-Host "cache_cur_hour: $env:cache_cur_hour"
        Write-Host "cache_prev_hour: $env:cache_prev_hour"
        Write-Host "cache-hit: ${{ steps.restore-conda-cache.outputs.cache-hit }}"

    - name: Update and configure conda
      run: |
        conda config --set channel_priority strict
        conda update -v -y -n base -c defaults --all

    # Try and speed up the pipeline by using a faster solver:
    - name: Install and default to mamba solver
      run: |
        conda install -v -y -n base conda-libmamba-solver
        # Try to set either of the configs for the solver.
        if (!(conda config --set experimental_solver libmamba)) { conda config --set solver libmamba }
        "CONDA_EXPERIMENTAL_SOLVER=libmamba" >> $env:GITHUB_ENV
        "EXPERIMENTAL_SOLVER=libmamba" >> $env:GITHUB_ENV

    - name: Create/update mlos conda environment
      run: |
        if (! (conda env list | Select-String -Pattern "^$env:CONDA_ENV_NAME ") ) { conda env create -v -n $env:CONDA_ENV_NAME -f conda-envs/$env:CONDA_ENV_YML }
        conda env update -v -n $env:CONDA_ENV_NAME -f conda-envs/$env:CONDA_ENV_YML --prune

    - name: Log conda info
      run: |
        conda info
        conda config --show
        conda config --show-sources
        conda list -n $env:CONDA_ENV_NAME

    # This is moreso about code cleanliness, which is a dev thing, not a
    # functionality thing, and the rules for that change between python versions,
    # so only do this for the default in the devcontainer.
    #- name: Run lint checks
    #  run: conda run -n $env:CONDA_ENV_NAME pylint -j0 mlos_core/mlos_core mlos_bench/mlos_bench

    # Only run the coverage checks on the devcontainer job.
    - name: Run tests
      run: |
        conda run -n $env:CONDA_ENV_NAME pytest --junitxml=junit/test-results.xml mlos_core/ mlos_bench/ mlos_viz/

    # Note: unlike the Makefile version, the pwsh version of these rules are all run within a single shell context, so we can
    # split commands across lines with CWD maintained (hence we also require the "cd .." here).
    - name: Generate and test binary distribution files
      run: |
        .github/workflows/build-dist-test.ps1


  WindowsDevContainerBuildTest:
    name: Windows DevContainer Build/Test
    # Skipped for now since building Linux containers on Windows Github Action Runners is not yet supported.
    if: false

    runs-on: windows-latest

    defaults:
      run:
        shell: pwsh

    permissions:
      contents: read

    steps:
    - uses: actions/checkout@v4

    - name: Check docker
      run: |
        docker info
        docker builder ls | Select-String linux # current returns '' (not yet supported)
        docker builder inspect

    - name: Build the devcontainer
      run: |
        .devcontainer/build/build-devcontainer.ps1

    - name: Basic test of the devcontainer
      run: |
        .devcontainer/script/run-devcontainer.ps1 conda run -n mlos python --version