implement `generate var-file`; wire in to cli #309

	name: Go Tests
	on: [push]
	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Determine Go version
	id: get-go-version
	run: \|
	echo "go-version=$(cat .go-version)" >> $GITHUB_OUTPUT

	- uses: actions/setup-go@v3
	with:
	go-version: ${{ steps.get-go-version.outputs.go-version }}

	# Get values for cache paths to be used in later steps
	- id: go-cache-paths
	run: \|
	echo "::set-output name=go-build::$(go env GOCACHE)"
	echo "::set-output name=go-mod::$(go env GOMODCACHE)"

	# Cache go build cache, used to speedup go test
	- name: Go Build Cache
	uses: actions/cache@v3
	with:
	path: \|
	${{ steps.go-cache-paths.outputs.go-build }}
	${{ steps.go-cache-paths.outputs.go-mod }}
	key: ${{ runner.os }}-go-cache-${{ hashFiles('**/go.sum') }}

	# install deps using go install
	- name: Install test dependencies
	run: \|
	go install gotest.tools/gotestsum@latest
	make test-certs

	# Run tests with nice formatting. Save the original log in /tmp/gotest.log
	- name: Run tests
	run: \|
	gotestsum -f testname --jsonfile /tmp/test-output.log -- ./...

	# Upload the original go test log as an artifact for later review.
	- name: Upload test log
	uses: actions/upload-artifact@v3
	with:
	name: test-log
	path: /tmp/test-output.log
	if-no-files-found: error

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