name: benchmark
description: "Run benchmarks"

inputs:
  cloudProvider:
    description: "Which cloud provider to use."
    required: true
  kubeconfig:
    description: "The kubeconfig of the cluster to test."
    required: true

runs:
  using: "composite"

  steps:
    - name: Setup python
      uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # v4.5.0
      with:
        python-version: "3.10"

    - name: Install kubestr
      shell: bash
      env:
        KUBESTR_VER: "0.4.37"
      run: |
        HOSTOS="$(go env GOOS)"
        HOSTARCH="$(go env GOARCH)"
        curl -fsSLO https://github.com/kastenhq/kubestr/releases/download/v${KUBESTR_VER}/kubestr_${KUBESTR_VER}_${HOSTOS}_${HOSTARCH}.tar.gz
        tar -xzf kubestr_${KUBESTR_VER}_${HOSTOS}_${HOSTARCH}.tar.gz
        install kubestr /usr/local/bin

    - name: Checkout k8s-bench-suite
      uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
      with:
        fetch-depth: 0
        repository: "InfraBuilder/k8s-bench-suite"
        ref: 1698974913b7b18ad54cf5860838029c295c77b1
        path: k8s-bench-suite

    - name: Run FIO benchmark
      shell: bash
      env:
        KUBECONFIG: ${{ inputs.kubeconfig }}
      run: |
        mkdir -p out
        kubestr fio -e "out/fio-constellation-${{ inputs.cloudProvider }}.json" -o json -s encrypted-rwo -z 400Gi

    - name: Upload raw FIO benchmark results
      if: (!env.ACT)
      uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
      with:
        path: "out/fio-constellation-${{ inputs.cloudProvider }}.json"
        name: "fio-constellation-${{ inputs.cloudProvider }}.json"

    - name: Run knb benchmark
      shell: bash
      env:
        KUBECONFIG: ${{ inputs.kubeconfig }}
        TERM: xterm-256color
      run: |
        workers="$(kubectl get nodes -o name | grep worker)"
        echo -e "Found workers:\n$workers"
        server="$(echo "$workers" | tail +1 | head -1 | cut -d '/' -f2)"
        echo "Server: $server"
        client="$(echo "$workers" | tail +2 | head -1 | cut -d '/' -f2)"
        echo "Client: $client"
        k8s-bench-suite/knb -f "out/knb-constellation-${{ inputs.cloudProvider }}.json" -o json --server-node "$server" --client-node "$client"

    - name: Upload raw knb benchmark results
      if: (!env.ACT)
      uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
      with:
        path: "out/knb-constellation-${{ inputs.cloudProvider }}.json"
        name: "knb-constellation-${{ inputs.cloudProvider }}.json"

    - name: Assume AWS role to retrieve and update benchmarks in S3
      uses: aws-actions/configure-aws-credentials@67fbcbb121271f7775d2e7715933280b06314838 # tag=v1.7.0
      with:
        role-to-assume: arn:aws:iam::795746500882:role/GithubActionUpdateBenchmarks
        aws-region: us-east-2

    - name: Set S3 artifact store
      shell: bash
      env:
        ARTIFACT_BUCKET_CONSTELLATION: "edgeless-artifact-store/constellation"
      run: echo S3_PATH=s3://${ARTIFACT_BUCKET_CONSTELLATION}/benchmarks >> $GITHUB_ENV

    - name: Get previous benchmark records from S3
      shell: bash
      env:
        CSP: ${{ inputs.cloudProvider }}
      run: |
        mkdir -p benchmarks
        aws s3 cp --recursive ${S3_PATH} benchmarks --no-progress
        if [[ -f benchmarks/constellation-${CSP}.json ]]; then
          mv benchmarks/constellation-${CSP}.json benchmarks/constellation-${CSP}-previous.json
        else
            echo "::warning::Couldn't retrieve previous benchmark records from s3"
        fi

    - name: Parse results, create diagrams and post the progression summary
      shell: bash
      env:
        # Original result directory
        BENCH_RESULTS: out/
        # Working directory containing the previous results as JSON and to contain the graphs
        BDIR: benchmarks
        # Paths to benchmark results as JSON of the previous run and the current run
        PREV_BENCH: benchmarks/constellation-${{ inputs.cloudProvider }}-previous.json
        CURR_BENCH: benchmarks/constellation-${{ inputs.cloudProvider }}.json
        CSP: ${{ inputs.cloudProvider }}
      run: |
        python .github/actions/e2e_benchmark/evaluate/parse.py
        export BENCHMARK_SUCCESS=true
        if [[ -f "$PREV_BENCH" ]]; then
          # Sets $BENCHMARK_SUCCESS=false if delta is bigger than defined in compare.py
          python .github/actions/e2e_benchmark/evaluate/compare.py >> $GITHUB_STEP_SUMMARY
        fi
        echo BENCHMARK_SUCCESS=$BENCHMARK_SUCCESS >> $GITHUB_ENV

    - name: Upload benchmark results to action run
      if: (!env.ACT)
      uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
      with:
        path: |
          benchmarks/constellation-${{ inputs.cloudProvider }}.json
        name: "benchmarks"

    - name: Check performance comparison result
      shell: bash
      run: |
        if [ $COMPARISON_SUCCESS = true ] ; then
          echo "Comparison successful"
        else
          echo "Comparison failed"
          exit 1
        fi

    - name: Update benchmark records in S3
      if: github.ref_name == 'main'
      shell: bash
      env:
        CSP: ${{ inputs.cloudProvider }}
      run: |
        aws s3 cp benchmarks/constellation-${CSP}.json ${S3_PATH}/constellation-${CSP}.json

    - name: Check performance comparison result
      shell: bash
      run: |
        if [[ $BENCHMARK_SUCCESS == true ]] ; then
          echo "Benchmark successful, all metrics in the expected range."
        else
          echo "::error::Benchmark failed, some metrics are outside of the expected range."
          exit 1
        fi