nightly-vuln-scanning.yml

name: Run nightly vulnerability check

on:
  schedule:
    - cron: '0 0 * * *'

# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:
  container-vuln-scan:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@0.20.0
        id: runscanner
        continue-on-error: true
        env:
          TRIVY_DB_REPOSITORY: public.ecr.aws/aquasecurity/trivy-db:2
        with:
          image-ref: 'ghcr.io/pulibrary/dpul-collections:main'
          format: 'table'
          exit-code: '1'
          ignore-unfixed: true
          vuln-type: 'os,library'
          severity: 'CRITICAL,HIGH'
          output: 'vulnerabilities.table'
      - name: Set variables
        id: scanner
        if: job.steps.runscanner.status == failure()
        run: |
          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
          echo "results<<$EOF" >> $GITHUB_OUTPUT
          echo "$(cat vulnerabilities.table)" >> $GITHUB_OUTPUT
          echo "$EOF" >> $GITHUB_OUTPUT
      - name: Output variable
        if: job.steps.runscanner.status == failure()
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          WORKFLOW_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
          SCANNER_OUTPUTS: ${{ steps.scanner.outputs.results }}
        run: echo "${{ env.SCANNER_OUTPUTS }}"
      - name: Create issue
        if: steps.runscanner.outcome != 'success'
        uses: JasonEtco/create-an-issue@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          WORKFLOW_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
          SCANNER_OUTPUTS: ${{ steps.scanner.outputs.results }}
        with:
          filename: .github/failed-vuln-check.md
          update_existing: true
      - name: Find existing security issue
        id: issues
        if: steps.runscanner.outcome == 'success'
        uses: lee-dohm/select-matching-issues@v1
        with:
          query: 'Container Vulnerability Scanner Failed is:open '
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Close found issues
        continue-on-error: true
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        if: steps.runscanner.outcome == 'success'
        run: cat ${{ steps.issues.outputs.path }} | xargs gh issue close -c 'Container Scan Passing on Merge to Main'