Move alerts to sep file

docs/macos-observ-lib/alerts.libsonnet

@@ -0,0 +1,23 @@
+{
+  new(this, parentPrometheus):
+    {
+      groups:
+        //keep only alerts listed in alertsMacKeep
+        std.filter(
+          function(group) std.length(group.rules) > 0,
+          [
+            {
+              name: group.name,
+              rules: [
+                rule
+                for rule in group.rules
+                if std.length(std.find(rule.alert, this.config.alertsMacKeep)) > 0
+              ],
+            }
+            for group in parentPrometheus.alerts.groups
+          ],
+
+        ),
+
+    },
+}

docs/macos-observ-lib/main.libsonnet

@@ -1,3 +1,4 @@
+local alerts = import './alerts.libsonnet';
 local config = import './config.libsonnet';
 local g = import './g.libsonnet';
 local panels = import './panels.libsonnet';
@@ -48,23 +49,7 @@ nodelib
       },
       prometheus+: {
         recordingRules: {},
-        alerts:
-          {
-            groups:
-              [
-                {
-                  name: group.name,
-                  rules: [
-                    rule
-                    for rule in group.rules
-                    if std.length(std.find(rule.alert, this.config.alertsMacKeep)) > 0
-                  ],
-                }
-                for group in parentPrometheus.alerts.groups
-              ],
-
-          },
-
+        alerts: alerts.new(this, parentPrometheus),
       },
     },