golang and docker workflows: Update trivy configuration to last github action version

.github/workflows/docker.yaml

@@ -143,32 +143,14 @@ jobs:
       - name: Extract first tag
         id: extract_tag
         run: echo "::set-output name=tag::$(echo "${{ needs.build.outputs.tags }}" | head -n1)"
-        ## To avoid the trivy-db becoming outdated, we save the cache for one day
-      - name: Get data
-        id: date
-        run: echo "date=$(date +%Y-%m-%d)" >> $GITHUB_OUTPUT
-      - name: Restore trivy cache
-        uses: actions/cache@v4
-        with:
-          path: cache/db
-          key: trivy-cache-${{ steps.date.outputs.date }}
-          restore-keys:
-            trivy-cache-
       - name: Trivy vulnerability scanner
         uses: aquasecurity/trivy-action@master
         with:
           scan-type: image
           image-ref: ${{ steps.extract_tag.outputs.tag }}
-          trivy-config:
           scanners: "vuln,secret,misconfig"
           exit-code: '1'
           severity: MEDIUM,HIGH,CRITICAL
-          cache-dir: "./cache"
         env:
           TRIVY_USERNAME: ${{ github.actor }}
           TRIVY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
-      ## Trivy-db uses `0600` permissions.
-      ## But `action/cache` use `runner` user by default
-      ## So we need to change the permissions before caching the database.
-      - name: change permissions for trivy.db
-        run: sudo chmod 0644 ./cache/db/trivy.db

.github/workflows/golang.yaml

@@ -246,17 +246,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-        ## To avoid the trivy-db becoming outdated, we save the cache for one day
-      - name: Get data
-        id: date
-        run: echo "date=$(date +%Y-%m-%d)" >> $GITHUB_OUTPUT
-      - name: Restore trivy cache
-        uses: actions/cache@v4
-        with:
-          path: cache/db
-          key: trivy-cache-${{ steps.date.outputs.date }}
-          restore-keys:
-            trivy-cache-
       - name: Run Trivy vulnerability scanner (for summary)
         uses: aquasecurity/trivy-action@master
         with:
@@ -266,7 +255,6 @@ jobs:
           scanners: "vuln,secret,misconfig"
           hide-progress: true
           output: trivy.txt
-          cache-dir: "./cache"
       - name: Publish Trivy Output to Summary
         run: |
           if [[ -s trivy.txt ]]; then
@@ -288,9 +276,5 @@ jobs:
           scanners: "vuln,secret,misconfig"
           exit-code: '1'
           severity: MEDIUM,HIGH,CRITICAL
-          cache-dir: "./cache"
-      ## Trivy-db uses `0600` permissions.
-      ## But `action/cache` use `runner` user by default
-      ## So we need to change the permissions before caching the database.
-      - name: change permissions for trivy.db
-        run: sudo chmod 0644 ./cache/db/trivy.db
+          # On a subsequent call to the action we know trivy is already installed so can skip this
+          skip-setup-trivy: true

.github/workflows/trivy-cache-update.yaml

@@ -0,0 +1,51 @@
+# Copyright 2024 Zaphiro Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+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@v1
+
+      - 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@v4
+        with:
+          path: ${{ github.workspace }}/.cache/trivy
+          key: cache-trivy-${{ steps.date.outputs.date }}