Add Makefile and suitable jsonnet files

This makes the mixins usable as abvertised.

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

documentation/prometheus-mixin/Makefile

@@ -0,0 +1,25 @@
+JSONNET_FMT := jsonnet fmt -n 2 --max-blank-lines 2 --string-style s --comment-style s
+
+all: fmt prometheus_alerts.yaml dashboards_out lint
+
+fmt:
+	find . -name 'vendor' -prune -o -name '*.libsonnet' -print -o -name '*.jsonnet' -print | \
+		xargs -n 1 -- $(JSONNET_FMT) -i
+
+prometheus_alerts.yaml: mixin.libsonnet config.libsonnet alerts.libsonnet
+	jsonnet -S alerts.jsonnet > $@
+
+dashboards_out: mixin.libsonnet config.libsonnet dashboards.libsonnet
+	@mkdir -p dashboards_out
+	jsonnet -J vendor -m dashboards_out dashboards.jsonnet
+
+lint: prometheus_alerts.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 prometheus_alerts.yaml
+
+clean:
+	rm -rf dashboards_out prometheus_alerts.yaml

documentation/prometheus-mixin/alerts.jsonnet

@@ -0,0 +1 @@
+std.manifestYamlDoc((import 'mixin.libsonnet').prometheusAlerts)

documentation/prometheus-mixin/dashboards.jsonnet

@@ -0,0 +1,6 @@
+local dashboards = (import 'mixin.libsonnet').dashboards;
+
+{
+  [name]: dashboards[name]
+  for name in std.objectFields(dashboards)
+}