Update Trivy DB Caches #2

	# https://github.com/aquasecurity/trivy-action?tab=readme-ov-file#updating-caches-in-the-default-branch
	# This workflow is needed to get around rate limiting on ghcr. This will update the trivy DBs in the
	# github cache to allow the trivy scans themselves to run without pulling the DB. This will allow the
	# scans to run without running into rate limit issues. This workflow could run into those issues when
	# downloading the cache, but as long as it succeeds more often than it fails, we will have our bases
	# covered.
	name: Update Trivy DB Caches

	on:
	workflow_dispatch:
	schedule:
	- cron: '17 2 * * *' # Daily at random time (2:17am UTC)

	jobs:
	update-caches:
	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 }}

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