17417: remove the coffee-rails gem dependency in wb1, and convert the

[arvados.git] / apps / workbench / app / assets / javascripts / keep_disks.js

diff --git a/apps/workbench/app/assets/javascripts/keep_disks.js b/apps/workbench/app/assets/javascripts/keep_disks.js
new file mode 100644 (file)
index 0000000..b3fb6dc
--- /dev/null
+++ b/apps/workbench/app/assets/javascripts/keep_disks.js
@@ -0,0 +1,43 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+(function() {
+  var cache_age_axis_label, cache_age_hover, cache_age_in_days, float_as_percentage;
+
+  cache_age_in_days = function(milliseconds_age) {
+    var ONE_DAY;
+    ONE_DAY = 1000 * 60 * 60 * 24;
+    return milliseconds_age / ONE_DAY;
+  };
+
+  cache_age_hover = function(milliseconds_age) {
+    return 'Cache age ' + cache_age_in_days(milliseconds_age).toFixed(1) + ' days.';
+  };
+
+  cache_age_axis_label = function(milliseconds_age) {
+    return cache_age_in_days(milliseconds_age).toFixed(0) + ' days';
+  };
+
+  float_as_percentage = function(proportion) {
+    return (proportion.toFixed(4) * 100) + '%';
+  };
+
+  $.renderHistogram = function(histogram_data) {
+    return Morris.Area({
+      element: 'cache-age-vs-disk-histogram',
+      pointSize: 0,
+      lineWidth: 0,
+      data: histogram_data,
+      xkey: 'age',
+      ykeys: ['persisted', 'cache'],
+      labels: ['Persisted Storage Disk Utilization', 'Cached Storage Disk Utilization'],
+      ymax: 1,
+      ymin: 0,
+      xLabelFormat: cache_age_axis_label,
+      yLabelFormat: float_as_percentage,
+      dateFormat: cache_age_hover
+    });
+  };
+
+}).call(this);