X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/19d0b4c509ec720f9ffc1ea13f758c5825308834..bfd5100c4e0bed1910875099937169f1b0c8ce7b:/apps/workbench/app/assets/javascripts/keep_disks.js.coffee

diff --git a/apps/workbench/app/assets/javascripts/keep_disks.js.coffee b/apps/workbench/app/assets/javascripts/keep_disks.js.coffee
index 761567942f..e4aa4b4321 100644
--- a/apps/workbench/app/assets/javascripts/keep_disks.js.coffee
+++ b/apps/workbench/app/assets/javascripts/keep_disks.js.coffee
@@ -1,3 +1,28 @@
-# Place all the behaviors and hooks related to the matching controller here.
-# All this logic will automatically be available in application.js.
-# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/
+cache_age_in_days = (milliseconds_age) ->
+  ONE_DAY = 1000 * 60 * 60 * 24
+  milliseconds_age / ONE_DAY
+
+cache_age_hover = (milliseconds_age) ->
+  'Cache age ' + cache_age_in_days(milliseconds_age).toFixed(1) + ' days.'
+
+cache_age_axis_label = (milliseconds_age) ->
+  cache_age_in_days(milliseconds_age).toFixed(0) + ' days'
+
+float_as_percentage = (proportion) ->
+  (proportion.toFixed(4) * 100) + '%'
+
+$.renderHistogram = (histogram_data) ->
+  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
+  })