action.yml

name: Run Performance Test
description: >
  Downloads the New Relic .NET agent (when requested) and runs the performance
  test suite via run-perf-test.py, then uploads the results and log artifacts.

inputs:
  run-label:
    description: 'Short label for this run, used as the artifact name suffix (e.g. "no-agent", "latest-release")'
    required: true
  attach-agent:
    description: 'Attach the New Relic .NET agent to the test app'
    default: 'false'
  agent-source:
    description: 'Source of the agent binaries: github_release or build_artifact (only used when attach-agent is true)'
    default: 'github_release'
  agent-version:
    description: 'Agent version to use, e.g. "10.49.0". Leave empty for latest. Only used with agent-source: github_release.'
    default: ''
  build-run-id:
    description: 'Run ID of the all_solutions.yml workflow to pull agent homefolders from. Only used with agent-source: build_artifact.'
    default: ''
  test-duration:
    description: 'How long to drive traffic (Locust --run-time format, e.g. "2m", "5m", "30s")'
    default: '2m'
  locust-users:
    description: 'Number of concurrent Locust users'
    default: '10'
  locust-spawn-rate:
    description: 'Locust users to spawn per second'
    default: '2'
  dotnet-version:
    description: '.NET version for the test app container (e.g. "10.0", "8.0")'
    default: '10.0'
  license-key:
    description: 'New Relic license key (only used when attach-agent is true)'
    default: ''
  collector-host:
    description: 'New Relic collector host (only used when attach-agent is true)'
    default: ''
  agent-env:
    description: 'Extra environment variables for the test app/agent, semicolon-separated NAME=VALUE pairs (e.g. VAR1=val1;VAR2=val2)'
    default: ''
  github-token:
    description: 'GitHub token for downloading artifacts'
    required: true
  agent-app-name:
    description: 'New Relic application name to use in the test (only used when attach-agent is true)'
    default: 'dotnet-agent-perf-test'

runs:
  using: composite
  steps:
    - name: Create agent-home directory
      shell: bash
      run: mkdir -p "${{ github.workspace }}/${{ env.PERF_TEST_DIR }}/agent-home"

    # -------------------------------------------------------------------------
    # Agent download — github_release path
    # -------------------------------------------------------------------------
    - name: Get agent release run ID
      if: inputs.attach-agent == 'true' && inputs.agent-source == 'github_release'
      id: get-release-run-id
      shell: bash
      env:
        GH_TOKEN: ${{ inputs.github-token }}
      run: |
        VERSION="${{ inputs.agent-version }}"
        if [ -z "$VERSION" ]; then
          echo "Looking up latest release commit SHA..."
          COMMIT_SHA=$(git rev-list -n 1 "$(gh release list --limit 1 | awk '{ print $1 }')")
        else
          echo "Looking up release v${VERSION} commit SHA..."
          COMMIT_SHA=$(git rev-list -n 1 "v${VERSION}")
        fi
        if [ -z "$COMMIT_SHA" ]; then
          echo "ERROR: Could not find commit SHA for release"
          exit 1
        fi
        echo "Found commit SHA: $COMMIT_SHA"

        WORKFLOW_RUN_ID=$(gh run list --commit "$COMMIT_SHA" --workflow all_solutions.yml --event release --status success --limit 1 --json databaseId --jq '.[0].databaseId')
        if [ -z "$WORKFLOW_RUN_ID" ]; then
          echo "ERROR: Could not find a successful all_solutions.yml run for commit $COMMIT_SHA"
          exit 1
        fi
        echo "Found workflow run ID: $WORKFLOW_RUN_ID"
        echo "run_id=$WORKFLOW_RUN_ID" >> "$GITHUB_OUTPUT"

    - name: Download agent homefolders from release build
      if: inputs.attach-agent == 'true' && inputs.agent-source == 'github_release'
      uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
      with:
        github-token: ${{ inputs.github-token }}
        run-id: ${{ steps.get-release-run-id.outputs.run_id }}
        name: homefolders
        path: ${{ github.workspace }}/agent-download
        repository: ${{ github.repository }}

    - name: Locate agent home from release build
      if: inputs.attach-agent == 'true' && inputs.agent-source == 'github_release'
      shell: bash
      run: |
        AGENT_HOME="${{ github.workspace }}/${{ env.PERF_TEST_DIR }}/agent-home"
        SOURCE=$(find "${{ github.workspace }}/agent-download" -name "newrelichome_x64_coreclr_linux" -type d | head -1)
        if [ -z "$SOURCE" ]; then
          echo "ERROR: Could not find newrelichome_x64_coreclr_linux in downloaded artifact"
          find "${{ github.workspace }}/agent-download" -type d | head -20
          exit 1
        fi
        echo "Copying agent from: $SOURCE"
        cp -r "$SOURCE/." "$AGENT_HOME/"
        echo "Agent home contents:"
        ls "$AGENT_HOME"

    # -------------------------------------------------------------------------
    # Agent download — build_artifact path
    # -------------------------------------------------------------------------
    - name: Download agent from build artifact
      if: inputs.attach-agent == 'true' && inputs.agent-source == 'build_artifact'
      uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
      with:
        github-token: ${{ inputs.github-token }}
        run-id: ${{ inputs.build-run-id }}
        name: homefolders
        path: ${{ github.workspace }}/agent-download
        repository: ${{ github.repository }}

    - name: Locate agent home from build artifact
      if: inputs.attach-agent == 'true' && inputs.agent-source == 'build_artifact'
      shell: bash
      run: |
        AGENT_HOME="${{ github.workspace }}/${{ env.PERF_TEST_DIR }}/agent-home"
        SOURCE=$(find "${{ github.workspace }}/agent-download" -name "newrelichome_x64_coreclr_linux" -type d | head -1)
        if [ -z "$SOURCE" ]; then
          echo "ERROR: Could not find newrelichome_x64_coreclr_linux in downloaded artifact"
          find "${{ github.workspace }}/agent-download" -type d | head -20
          exit 1
        fi
        echo "Copying agent from: $SOURCE"
        cp -r "$SOURCE/." "$AGENT_HOME/"
        echo "Agent home contents:"
        ls "$AGENT_HOME"

    # -------------------------------------------------------------------------
    # Run the performance test suite
    # -------------------------------------------------------------------------
    - name: Run performance tests
      shell: bash
      working-directory: ${{ env.PERF_TEST_DIR }}
      run: |
        EXTRA_ENV_ARGS=()
        IFS=';' read -ra ENV_PAIRS <<< "${{ inputs.agent-env }}"
        for pair in "${ENV_PAIRS[@]}"; do
          [[ -z "$pair" ]] && continue
          echo "Adding extra environment variable: $pair"
          EXTRA_ENV_ARGS+=("--env" "$pair")
        done

        python3 run-perf-test.py \
          --attach-agent    "${{ inputs.attach-agent }}" \
          --agent-home      "${{ github.workspace }}/${{ env.PERF_TEST_DIR }}/agent-home" \
          --app-name        "${{ inputs.agent-app-name }}" \
          --test-duration   "${{ inputs.test-duration }}" \
          --locust-users    "${{ inputs.locust-users }}" \
          --locust-spawn-rate "${{ inputs.locust-spawn-rate }}" \
          --dotnet-version  "${{ inputs.dotnet-version }}" \
          --license-key     "${{ inputs.license-key }}" \
          --collector-host  "${{ inputs.collector-host }}" \
          "${EXTRA_ENV_ARGS[@]}"

    # -------------------------------------------------------------------------
    # Upload artifacts
    # -------------------------------------------------------------------------
    - name: Upload perf results
      if: always()
      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
      with:
        name: perf-results-${{ inputs.run-label }}
        path: ${{ env.PERF_TEST_DIR }}/results/
        if-no-files-found: warn

    - name: Upload perf logs
      if: always()
      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
      with:
        name: perf-logs-${{ inputs.run-label }}
        path: ${{ env.PERF_TEST_DIR }}/logs/
        if-no-files-found: warn