# Copyright (c) 2025, NVIDIA CORPORATION.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
name: "Test Template"
description: "Template for running NeMo tests in a containerized environment"

inputs:
  runner:
    description: "Runner to use for test"
    required: true
  timeout:
    description: "Max runtime of test in minutes"
    required: false
    default: "10"
  script:
    description: "Test script to execute"
    required: true
  after_script:
    description: "Script to run after main test"
    required: false
    default: ":"
  is_optional:
    description: "Failure will cancel all other tests if set to true"
    required: false
    default: "false"
  is_unit_test:
    description: "Upload coverage as unit test"
    required: false
    default: "false"
  tests_to_run:
    description: "Tests to run"
    required: false
    default: '["all"]'
  image:
    description: "Image to use for test"
    required: false
    default: "nemo_container"
  cpu-only:
    description: "Run tests on CPU only"
    required: false
    default: "false"
  test_dir:
    description: "Directory under tests/ containing the test scripts"
    required: false
    default: "functional_tests"
runs:
  using: "composite"
  steps:
    - name: Noop
      shell: bash
      run: |
        chmod -R u+rwX ${{ github.run_id }}
        echo "noop"

    - name: Docker system cleanup
      shell: bash
      run: |
        docker system prune -af --filter "until=24h" --filter "label!=nemo.pr_number=${{ github.event.pull_request.number || 0 }}" --force || true

    - name: Docker pull image
      shell: bash
      run: |
        docker pull nemoci.azurecr.io/${{ inputs.image }}:${{ github.run_id }}

    - name: Clean repos
      shell: bash
      run: |

    - name: Create UUID
      id: uuid
      shell: bash
      run: |
        echo "id=$(uuidgen)" >> "$GITHUB_OUTPUT"

    - name: Checkout NeMo
      uses: actions/checkout@v6
      env:
        DIR: ${{ github.run_id }}
      with:
        path: ${{ github.run_id }}/${{steps.uuid.outputs.id }}/NeMo

    - name: Start container
      shell: bash
      env:
        DIR: ${{ github.run_id }}
      run: |
        mkdir -p $DIR

        # Map of runner names to GPU device configurations
        declare -A GPU_CONFIGS=(
          ["myVm-01"]="0,1"
          ["myVm-02"]="2,3"
          ["myVm-03"]="4,5"
          ["myVm-04"]="6,7"
        )

        ARG=("")
        if [[ "${{ inputs.cpu-only }}" == "false" ]]; then
          ARG=("--runtime=nvidia --gpus all")
        fi

        cmd=$(cat <<RUN_TEST_EOF
        #!/bin/bash
        docker container rm -f nemo_container_${{ github.run_id }}_${{ inputs.runner }} || true
        docker run \
          --rm \
          -d \
          --name nemo_container_${{ github.run_id }}_${{ inputs.runner }} ${ARG[@]} \
          --shm-size=64g \
          --env TRANSFORMERS_OFFLINE=0 \
          --env HYDRA_FULL_ERROR=1 \
          --env HF_HOME=/home/TestData/HF_HOME \
          --env RUN_ID=${{ github.run_id }} \
          --volume $(pwd)/${{ github.run_id }}/${{steps.uuid.outputs.id }}/NeMo:/workspace \
          --volume /mnt/datadrive/TestData:/home/TestData nemoci.azurecr.io/${{ inputs.image }}:${{ github.run_id }} \
          bash -c "sleep $(( ${{ inputs.timeout }} * 60 + 60 ))"
        RUN_TEST_EOF
        )

        echo "$cmd" | tee "$DIR/retry_job.sh"
        bash $DIR/retry_job.sh

    - name: Create run-script
      id: create
      env:
        DIR: ${{ github.run_id }}
      shell: bash
      run: |
        COVERAGE_PREFIX=$([[ "${{ inputs.is_unit_test }}" == "true" ]] && echo "unit-test" || echo "e2e")
        echo "coverage-prefix=$COVERAGE_PREFIX" | tee -a "$GITHUB_OUTPUT"

        mkdir -p $DIR
        rm $DIR/.coverage || true
        rm $DIR/err.log || true

        cmd=$(cat <<RUN_TEST_EOF
        #!/bin/bash

        (
          set -e

          docker exec -t nemo_container_${{ github.run_id }}_${{ inputs.runner }} bash -c '\
            cp -r /opt/Megatron-LM/ /workspace/ && \
            bash tests/${{ inputs.test_dir }}/${{ inputs.script }}.sh && \
            echo "Finished successfully." || echo "Did not finish."'
        ) 2>&1 | tee $DIR/err.log

        RUN_TEST_EOF
        )

        echo "timeout_in_seconds=$(( ${{ inputs.timeout }} * 60 ))" | tee -a "$GITHUB_OUTPUT"
        echo "$cmd" | tee "$DIR/job.sh"

    - name: Run main script
      uses: nick-fields/retry@v3
      with:
        timeout_seconds: ${{ steps.create.outputs.timeout_in_seconds }}
        max_attempts: 3
        shell: bash
        retry_on: timeout
        command: /bin/bash ${{ github.run_id }}/job.sh
        on_retry_command: /bin/bash ${{ github.run_id }}/retry_job.sh

    - name: Check result
      id: check
      shell: bash
      env:
        DIR: ${{ github.run_id }}
      run: |
        cat $DIR/err.log

        log=$(tail -c 2000 $DIR/err.log |  base64 -w 0)
        echo "log=$log" >> "$GITHUB_OUTPUT"

        potential_infra_failure=$(cat $DIR/err.log | grep -Eqiw "device" && echo true || echo false)
        echo "potential_infra_failure=$potential_infra_failure" >> "$GITHUB_OUTPUT"

        docker exec nemo_container_${{ github.run_id }}_${{ inputs.runner }} coverage combine
        docker exec nemo_container_${{ github.run_id }}_${{ inputs.runner }} coverage xml
        docker cp nemo_container_${{ github.run_id }}_${{ inputs.runner }}:/workspace/.coverage $DIR/.coverage
        docker cp nemo_container_${{ github.run_id }}_${{ inputs.runner }}:/workspace/coverage.xml $DIR/coverage.xml

        coverage_report=coverage-${{ steps.create.outputs.coverage-prefix }}-${{ github.run_id }}-$(uuidgen)
        echo "coverage_report=$coverage_report" >> "$GITHUB_OUTPUT"

        IS_SUCCESS=$(tail -n 1 $DIR/err.log | grep -q "Finished successfully." && echo "true" || echo "false")

        if [[ "$IS_SUCCESS" == "false" && "${{ inputs.is_optional }}" == "true" ]]; then
          echo "::warning:: Test failed, but displayed as successful because it is marked as optional."
          IS_SUCCESS=true
        fi

        if [[ "$IS_SUCCESS" == "false" ]]; then
          echo Test did not finish successfully.
          exit 1
        fi

        exit $EXIT_CODE

    - name: Test coverage
      shell: bash -x -e -u -o pipefail {0}
      run: |
        docker exec -t nemo_container_${{ github.run_id }}_${{ inputs.runner }} coverage report -i

    - name: Upload artifacts
      uses: actions/upload-artifact@v6
      if: ${{ steps.check.outputs.coverage_report != 'none' }}
      with:
        name: ${{ steps.check.outputs.coverage_report }}
        path: |
          ${{ github.run_id }}/coverage.xml
          ${{ github.run_id }}/.coverage
        include-hidden-files: true

    - name: Container shutdown
      if: always()
      shell: bash
      run: |
        docker exec nemo_container_${{ github.run_id }}_${{ inputs.runner }} bash -c "chown -R $(id -u):$(id -g) /workspace"
        rm -rf $(pwd)/${{ github.run_id }}/${{steps.uuid.outputs.id }} || true
        docker container rm -f nemo_container_${{ github.run_id }}_${{ inputs.runner }} || true