name: "Chore: Generate Security Docs"

concurrency: helm-release

on:
  workflow_dispatch:

jobs:
  gen-sec:
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/truecharts/devcontainer:v3.1.1@sha256:f0ecaa533663f88346b745eb497f6f6acf63561ad88e345cd71c8280963b8c1e
    steps:
      - name: Install Kubernetes tools
        uses: yokawasa/action-setup-kube-tools@b91bb02bc122bd84ac7bbea5f25ed6b0f2ec6275 # tag=v0.9.2
        with:
          setup-tools: |
            helmv3
          helm: "3.8.0"

      - name: Prep Helm
        run: |
          helm repo add truecharts https://charts.truecharts.org
          helm repo add truecharts-library https://library-charts.truecharts.org
          helm repo add bitnami https://charts.bitnami.com/bitnami
          helm repo add prometheus https://prometheus-community.github.io/helm-charts
          helm repo update

      - name: Checkout
        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3
        with:
          token: ${{ secrets.BOT_TOKEN }}
          fetch-depth: 0

      - name: Setting repo parent dir as safe safe.directory
        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

      - name: Checkout website
        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3
        with:
          fetch-depth: 1
          repository: truecharts/website
          token: ${{ secrets.BOT_TOKEN }}
          path: website
          
      - name: fetch dependencies
        shell: bash
        run: |
          .github/scripts/fetch_helm_deps.sh

      - name: generate security reports
        shell: bash
        run: |
          #!/bin/bash
          render() {
              local chart="$1"
              local chartname="$2"
              local train="$3"
              echo "Rendering helm-template for ${chartname}"
              mkdir -p ${chart}/render
              helm template ${chart} >> ${chart}/render/app.yaml || echo "Helm template failed..."
          }
          helm_sec_scan() {
              local chart="$1"
              local chartname="$2"
              local train="$3"
              echo "Scanning helm security for ${chartname}"
              mkdir -p ${chart}/render
              rm -rf website/docs/charts/${train}/${chartname}/helm-security.md || echo "removing old helm-security file failed..."
              echo "# Helm Security" >> website/docs/charts/${train}/${chartname}/helm-security.md
              echo "" >> website/docs/charts/${train}/${chartname}/helm-security.md
              echo "## Helm-Chart" >> website/docs/charts/${train}/${chartname}/helm-security.md
              echo "" >> website/docs/charts/${train}/${chartname}/helm-security.md
              echo "##### Scan Results" >> website/docs/charts/${train}/${chartname}/helm-security.md
              echo "" >> website/docs/charts/${train}/${chartname}/helm-security.md
              trivy config -f template --template "@./templates/trivy-config.tpl" ${chart}/render >> website/docs/charts/${train}/${chartname}/helm-security.md || echo "trivy scan failed..."
              }
          container_sec_scan() {
              local chart="$1"
              local chartname="$2"
              local train="$3"
              echo "Scanning container security for ${chartname}"
              mkdir -p ${chart}/render
              rm -rf website/docs/charts/${train}/${chartname}/container-security.md || echo "removing old container-security file failed..."
              echo "# Container Security" >> website/docs/charts/${train}/${chartname}/container-security.md
              echo "" >> website/docs/charts/${train}/${chartname}/container-security.md
              echo "##### Detected Containers" >> website/docs/charts/${train}/${chartname}/container-security.md
              echo "" >> website/docs/charts/${train}/${chartname}/container-security.md
              find ${chart}/render/ -name '*.yaml' -type f -exec cat {} \; | grep image: | sed "s/image: //g" | sed "s/\"//g" >> ${chart}/render/containers.tmp
              cat ${chart}/render/containers.tmp >> website/docs/charts/${train}/${chartname}/container-security.md
              echo "" >> website/docs/charts/${train}/${chartname}/container-security.md
              echo "##### Scan Results" >> website/docs/charts/${train}/${chartname}/container-security.md
              echo "" >> website/docs/charts/${train}/${chartname}/container-security.md
              for container in $(cat ${chart}/render/containers.tmp | sort | uniq); do
                if [[ "$container" == *"truecharts/alpine"* || "$container" == *"truecharts/ubuntu"* || "$container" == *"truecharts/kubectl"* ]]; then
                  echo "Skipping ${container}, as it's a shared common container..."
                else
                  echo "**Container: ${container}**" >> website/docs/charts/${train}/${chartname}/container-security.md
                  echo "" >> website/docs/charts/${train}/${chartname}/container-security.md
                  trivy image --security-checks vuln -f template --template "@./templates/trivy-container.tpl" ${container} >> website/docs/charts/${train}/${chartname}/container-security.md || echo "trivy container scan failed..."
                  echo "" >> website/docs/charts/${train}/${chartname}/container-security.md
                fi
              done
              }
          cleanfiles() {
              local chart="$1"
              local chartname="$2"
              local train="$3"
              echo "sanitising website output for ${chartname}..."
              rm -rf ${chart}/render
              sed -i 's|<br>|<br />|g' website/docs/charts/${train}/${chartname}/helm-security.md
              sed -i 's|<br>|<br />|g' website/docs/charts/${train}/${chartname}/container-security.md
              sed -i 's|<hr>|<hr />|g' website/docs/charts/${train}/${chartname}/helm-security.md
              sed -i 's|<hr>|<hr />|g' website/docs/charts/${train}/${chartname}/container-security.md
              }
          for train in enterprise stable incubator dependency; do
            echo "Processing Charts for Train: ${train}..."
            for chart in $(ls "charts/${train}"); do
              render "charts/${train}/${chart}" ${chart} ${train} && helm_sec_scan "charts/${train}/${chart}" ${chart} ${train} && container_sec_scan "charts/${train}/${chart}" ${chart} ${train} && cleanfiles "charts/${train}/${chart}" ${chart} ${train} || echo "processing failed for ${chart}"
            done
          done
          echo "finsihed security scan"

      - name: Commit Website Changes
        run: |
          cd website
          git config user.name "TrueCharts-Bot"
          git config user.email "bot@truecharts.org"
          git add --all
          git commit -sm "Commit released docs for TrueCharts" || exit 0
          git push