Cleanup and improvements

tools/render

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -euo pipefail
+ROOT=$(git rev-parse --show-toplevel)
+RENDERED=${ROOT}/rendered
+TEMPLATES=${ROOT}/templates
+
+${ROOT}/tools/merge ./nodes > ${RENDERED}/nodes.json
+
+gomplate --input-dir ${TEMPLATES} --output-dir ${RENDERED} \
+	-d nodes=file://${RENDERED}/nodes.json \
+	-d config=${ROOT}/config.yaml \