Not all Prometheus rules are alerts. (#490)

* Not all Prometheus rules are alerts.

This allows us to put recording rules in the same rule groups as alerts, which is useful when the alerts depend on the recording rules.

Signed-off-by: Tom Wilkie <[email protected]>

* make fmt

Signed-off-by: Tom Wilkie <[email protected]>

Author: tomwilkie

mixin-utils/utils.libsonnet

@@ -123,14 +123,18 @@ local g = import 'grafana-builder/grafana.libsonnet';
   // - url_format: an URL format for the runbook, the alert name will be substituted in the URL.
   // - groups: the list of rule groups containing alerts.
   withRunbookURL(url_format, groups)::
+    local update_rule(rule) =
+      if std.objectHas(rule, 'alert')
+      then rule {
+        annotations+: {
+          runbook_url: url_format % rule.alert,
+        },
+      }
+      else rule;
     [
       group {
         rules: [
-          alert {
-            annotations+: {
-              runbook_url: url_format % alert.alert,
-            },
-          }
+          update_rule(alert)
           for alert in group.rules
         ],
       }