Add trivy-cache and update trivy-scan

.github/workflows/ci.yml

@@ -153,15 +153,22 @@ jobs:
         run:  go build -o ./cx ./cmd
       - name: Build Docker image
         run: docker build -t ast-cli:${{ github.sha }} .
-
-      - name: Run Trivy vulnerability scanner
-        uses: aquasecurity/trivy-action@b2933f565dbc598b29947660e66259e3c7bc8561  #0.20.0
+      - name: Run Trivy scanner without downloading DBs
+        uses: aquasecurity/trivy-action@915b19bbe73b92a6cf82a1bc12b087c9a19a5fe2 #v0.28.0
         with:
-          image-ref: 'ast-cli:${{ github.sha }}'
+          scan-type: 'image'
+          image-ref: ast-cli:${{ github.sha }}
           format: 'table'
           exit-code: '1'
           ignore-unfixed: true
           vuln-type: 'os,library'
+          output: './trivy-image-results.txt'
           severity: 'CRITICAL,HIGH,MEDIUM,LOW'
-
-
+        env:
+          TRIVY_SKIP_DB_UPDATE: true
+          TRIVY_SKIP_JAVA_DB_UPDATE: true
+
+      - name: Inspect action report
+        if: always()
+        shell: bash
+        run: cat ./trivy-image-results.txt

.github/workflows/trivy-cache.yml

@@ -0,0 +1,39 @@
+# Note: This workflow only updates the cache. You should create a separate workflow for your actual Trivy scans.
+# In your scan workflow, set TRIVY_SKIP_DB_UPDATE=true and TRIVY_SKIP_JAVA_DB_UPDATE=true.
+name: Update Trivy Cache
+
+on:
+  schedule:
+    - cron: '0 0 * * *'  # Run daily at midnight UTC
+  workflow_dispatch:  # Allow manual triggering
+
+jobs:
+  update-trivy-db:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup oras
+        uses: oras-project/setup-oras@9c92598691bfef1424de2f8fae81941568f5889c #v1.2.1
+
+      - name: Get current date
+        id: date
+        run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+
+      - name: Download and extract the vulnerability DB
+        run: |
+          mkdir -p $GITHUB_WORKSPACE/.cache/trivy/db
+          oras pull ghcr.io/aquasecurity/trivy-db:2
+          tar -xzf db.tar.gz -C $GITHUB_WORKSPACE/.cache/trivy/db
+          rm db.tar.gz
+
+      #- name: Download and extract the Java DB
+      #  run: |
+      #    mkdir -p $GITHUB_WORKSPACE/.cache/trivy/java-db
+      #    oras pull ghcr.io/aquasecurity/trivy-java-db:1
+      #    tar -xzf javadb.tar.gz -C $GITHUB_WORKSPACE/.cache/trivy/java-db
+      #    rm javadb.tar.gz
+
+      - name: Cache DBs
+        uses: actions/cache/save@6849a6489940f00c2f30c0fb92c6274307ccb58a #v4.1.2
+        with:
+          path: ${{ github.workspace }}/.cache/trivy
+          key: cache-trivy-${{ steps.date.outputs.date }}