Add Makefile to easily make output files and lint sources

Signed-off-by: beorn7 <beorn@grafana.com>

docs/node-mixin/.gitignore

@@ -1,3 +1,4 @@
-/jsonnetfile.lock.json
-/vendor/
-
+jsonnetfile.lock.json
+vendor
+*.yaml
+dashboards_out

docs/node-mixin/Makefile

@@ -0,0 +1,28 @@
+JSONNET_FMT := jsonnetfmt -n 2 --max-blank-lines 2 --string-style s --comment-style s
+
+all: fmt node_alerts.yaml node_rules.yaml dashboards_out lint
+
+fmt:
+	find . -name 'vendor' -prune -o -name '*.libsonnet' -print -o -name '*.jsonnet' -print | \
+		xargs -n 1 -- $(JSONNET_FMT) -i
+
+node_alerts.yaml: mixin.libsonnet config.libsonnet $(wildcard alerts/*)
+	jsonnet -S alerts.jsonnet > $@
+
+node_rules.yaml: mixin.libsonnet config.libsonnet $(wildcard rules/*)
+	jsonnet -S rules.jsonnet > $@
+
+dashboards_out: mixin.libsonnet config.libsonnet $(wildcard dashboards/*)
+	@mkdir -p dashboards_out
+	jsonnet -J vendor -m dashboards_out dashboards.jsonnet
+
+lint: node_alerts.yaml node_rules.yaml
+	find . -name 'vendor' -prune -o -name '*.libsonnet' -print -o -name '*.jsonnet' -print | \
+		while read f; do \
+			$(JSONNET_FMT) "$$f" | diff -u "$$f" -; \
+		done
+
+	promtool check rules node_alerts.yaml node_rules.yaml
+
+clean:
+	rm -rf dashboards_out node_alerts.yaml node_rules.yaml