Clusters set auto_cores max

apps/dashboard/app/javascript/script_show.js

@@ -1,5 +1,5 @@
 import { makeChangeHandlers } from './dynamic_forms';
 
 jQuery(function() {
-  makeChangeHandlers('script');
+  makeChangeHandlers('launcher');
 });

apps/dashboard/app/lib/cluster_cache.rb

@@ -0,0 +1,43 @@
+#frozen_string_literal: true
+
+module ClusterCache
+  def cluster_options
+    Rails.cache.fetch('script_cluster_options', expires_in: 4.hours) do
+      cluster_max_cores.map do |cluster_id, max|
+        [cluster_id.to_s, cluster_id.to_s, {'data-max-auto-cores': max}]
+      end.sort_by { |option| option[0] }
+    end
+  end
+
+  def cluster_nodes
+    Rails.cache.fetch('script_cluster_nodes', expires_in: 4.hours) do 
+      {}.tap do |hash|
+        batch_clusters.map do |cluster|
+          hash[cluster.id] = cluster.job_adapter.nodes
+        end
+      end
+    end
+  end
+
+  def cluster_max_cores
+    Rails.cache.fetch('script_cluster_max_values', exipres_in: 4.hours) do
+      {}.tap do |hash|
+        cluster_nodes.each do |cluster_id, nodes|
+          hash[cluster_id] = nodes.max { |a, b| a.procs <=> b.procs }.procs
+        end
+      end
+    end
+  end
+
+  def batch_clusters
+    Rails.cache.fetch('script_batch_clusters', expires_in: 4.hours) do
+      Configuration.job_clusters.reject do |c|
+        reject_cluster?(c)
+      end
+    end
+  end
+
+  def reject_cluster?(cluster)
+    cluster.kubernetes? || cluster.linux_host? || cluster.systemd?
+  end
+end

apps/dashboard/app/lib/smart_attributes/attributes/auto_batch_clusters.rb

@@ -2,32 +2,20 @@
 
 module SmartAttributes
   class AttributeFactory
-
+    extend ClusterCache
     # Build this attribute object. Must specify a valid directory in opts
     #
     # @param opts [Hash] attribute's options
     # @return [Attributes::AutoBatchClusters] the attribute object
     def self.build_auto_batch_clusters(opts = {})
-      options = batch_clusters
+      options = cluster_options
 
       static_opts = {
         options: options
       }.merge(opts.without(:options).to_h)
 
       Attributes::AutoBatchClusters.new('auto_batch_clusters', static_opts)
     end
-
-    def self.batch_clusters
-      Rails.cache.fetch('script_batch_clusters', expires_in: 4.hours) do
-        Configuration.job_clusters.reject do |c|
-          reject_cluster?(c)
-        end.map(&:id).map(&:to_s).sort
-      end
-    end
-
-    def self.reject_cluster?(cluster)
-      cluster.kubernetes? || cluster.linux_host? || cluster.systemd?
-    end
   end
 
   module Attributes