feat: add trivy fs scan with PR comments

.github/workflows/trivy-fs-scan.yaml

@@ -0,0 +1,83 @@
+name: "Run TRIVY scan"
+
+on:
+  workflow_call:
+    inputs:
+      github_token:
+        description: 'GitHub Token'
+        required: true
+      skip_dirs:
+        description: 'A comma separated list of folders to ignore'
+        required: false
+      directory:
+        description: "Directory to scan"
+        required: true
+        type: 'string'
+      prcomment:
+        description: "Enable comment on PR"
+        required: false
+        type: 'boolean'
+        default: false
+      github_pr_url:
+        description: "GitHub PR URL"
+        required: false
+        type: 'string'
+        default: ''
+      template:
+        description: "url to comment template"
+        required: false
+        type: 'string'
+        default: 'https://raw.githubusercontent.com/domstolene/trivy-pr-report/main/trivy-pr-comment.tpl'
+      severity:
+        description: "Trivy severity (CSV values: MEDIUM,HIGH,CRITICAL)"
+        required: false
+        type: 'string'
+        default: 'CRITICAL,HIGH'
+
+permissions:
+  pull-requests: write
+
+jobs:
+  name: run-scan
+  runs-on: ubuntu-22.04
+  steps:
+  - name: Checkout code
+    uses: actions/checkout@v4
+  - name: Run Trivy vulnerability scanner
+    uses: aquasecurity/[email protected]
+    with:
+      scan-type: 'fs'
+      ignore-unfixed: true
+      format: 'template'
+      output: 'trivy.json'
+      severity: ${{ inputs.severity }}
+      skip-dirs: ${{ inputs.skip_dirs }}
+      exit-code: ${{ inputs.prcomment && '1' || '0' }}
+
+  - name: Report vulnerabilities in PR
+    if: ${{ inputs.prcomment }} && failure() && steps.scan.outcome == 'failure'
+    env:
+      GITHUB_TOKEN: ${{ inputs.github_token }}
+    shell: bash
+    run: |
+      echo -n "{\"body\":\"### Vulnerabilities detected\nThe following vulnerabilities of ${{ inputs.severity }} severity has been detected in the code. Please resolve these before merging the pull request.\n\n" > result.json
+      cat trivy.json | sort | uniq | tr -d '\n' >> result.json
+      echo "\"}" >> result.json
+      curl -X POST -H "Accept: application/vnd.github+json" \
+        -H "X-GitHub-Api-Version: 2022-11-28" \
+        -H "Authorization: Bearer $GITHUB_TOKEN" \
+        ${{ inputs.github_pr_url }} \
+        -d @result.json
+
+  - name: Report no vulnerabilities in PR
+    if: ${{ inputs.prcomment }} && success() && steps.scan.outcome == 'success'
+    env:
+      GITHUB_TOKEN: ${{ inputs.github_token }}
+    shell: bash
+    run: |
+      echo -n "{\"body\":\"### No vulnerabilities detected\nNo vulnerabilities of HIGH or CRITICAL severity has been detected in the code.\"}" > result.json
+      curl -X POST -H "Accept: application/vnd.github+json" \
+        -H "X-GitHub-Api-Version: 2022-11-28" \
+        -H "Authorization: Bearer $GITHUB_TOKEN" \
+        ${{ inputs.github_pr_url }} \
+        -d @result.json