[DPE-2707] Create trivy scanner #4

# to view logs

	name: trivy
	on:
	push:
	branches:
	- main
	pull_request:
	jobs:
	build:
	uses: ./.github/workflows/build.yaml
	scan:
	needs: build
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Setup Docker
	run: \|
	sudo snap install docker
	sudo addgroup --system docker; sudo adduser $USER docker
	newgrp docker
	sudo snap disable docker; sudo snap enable docker
	- name: Install skopeo
	run: \|
	sudo snap install --devmode --channel edge skopeo
	- name: Install yq
	run: \|
	sudo snap install yq
	- uses: actions/download-artifact@v3
	with:
	name: charmed-kafka

	- name: Import locally
	run: \|
	version=$(yq '(.version\|split("-"))[0]' rockcraft.yaml)
	base=$(yq '(.base\|split(":"))[1]' rockcraft.yaml)
	risk=edge
	tag=${version}-${base}_${risk}

	sudo skopeo --insecure-policy copy \
	oci-archive:charmed-kafka_${tag}_amd64.rock \
	docker-daemon:$USER/charmed-kafka:test

	- name: Run Trivy vulnerability scanner
	uses: aquasecurity/trivy-action@master
	with:
	image-ref: '$USER/charmed-kafka:test'
	format: 'sarif'
	output: 'trivy-results.sarif'

	- name: Upload Trivy scan results to GitHub Security tab
	uses: github/codeql-action/upload-sarif@v2
	if: always()
	with:
	sarif_file: 'trivy-results.sarif'

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