Add Security Scan workflow as part of the SSDLC requirements

.github/workflows/security_scan.yaml

@@ -0,0 +1,83 @@
+name: Security Scan
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      upload_results:
+        description: "Upload SARIF and SBOM results"
+        required: false
+        type: boolean
+        default: false
+
+env:
+  # This value is used for push and pull_request triggers
+  UPLOAD_RESULTS: true
+
+jobs:
+  trivy-scan:
+    name: Run Trivy Security Scan
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run Trivy scan for logs
+        uses: aquasecurity/[email protected]
+        with:
+          scan-type: "fs"
+          scan-ref: "."
+          trivy-config: "trivy.yaml"
+
+      - name: Run Trivy scan for SARIF report
+        uses: aquasecurity/[email protected]
+        with:
+          scan-type: "fs"
+          scan-ref: "."
+          trivy-config: "trivy.yaml"
+          format: "sarif"
+          output: "trivy-results.sarif"
+
+      - name: Upload SARIF to GitHub Security tab
+        if: (github.event_name == 'workflow_dispatch' && inputs.upload_results == true) || (github.event_name != 'workflow_dispatch' && env.UPLOAD_RESULTS == 'true')
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: "trivy-results.sarif"
+
+      - name: Upload diagnostic SARIF artifact
+        if: (github.event_name == 'workflow_dispatch' && inputs.upload_results == true) || (github.event_name != 'workflow_dispatch' && env.UPLOAD_RESULTS == 'true')
+        uses: actions/upload-artifact@v4
+        with:
+          name: sarif-report
+          path: "trivy-results.sarif"
+          retention-days: 7
+
+  generate-sbom:
+    name: Generate SBOM from Filesystem
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run Trivy to generate SBOM
+        uses: aquasecurity/[email protected]
+        with:
+          scan-type: "fs"
+          scan-ref: "."
+          trivy-config: "trivy.yaml"
+          format: "spdx-json"
+          output: "dependency-results.sbom.json"
+          github-pat: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload SBOM as an artifact
+        if: (github.event_name == 'workflow_dispatch' && inputs.upload_results == true) || (github.event_name != 'workflow_dispatch' && env.UPLOAD_RESULTS == 'true')
+        uses: actions/upload-artifact@v4
+        with:
+          name: sbom
+          path: "dependency-results.sbom.json"
+          retention-days: 7

trivy.yaml

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+# Copyright 2025 Canonical Ltd.
+# See LICENSE file for licensing details.
+
+timeout: 20m
+severity:
+  - UNKNOWN
+  - LOW
+  - MEDIUM
+  - HIGH
+  - CRITICAL
+vulnerability:
+  ignore-unfixed: false
+exit-code: 0