20690: Remove workbench1 and testing/packaging references.

[arvados.git] / apps / workbench / app / controllers / keep_disks_controller.rb

diff --git a/apps/workbench/app/controllers/keep_disks_controller.rb b/apps/workbench/app/controllers/keep_disks_controller.rb
deleted file mode 100644 (file)
index c95ebdc..0000000
--- a/apps/workbench/app/controllers/keep_disks_controller.rb
+++ /dev/null
@@ -1,59 +0,0 @@
-# Copyright (C) The Arvados Authors. All rights reserved.
-#
-# SPDX-License-Identifier: AGPL-3.0
-
-class KeepDisksController < ApplicationController
-  def create
-    defaults = { is_readable: true, is_writable: true }
-    @object = KeepDisk.new defaults.merge(params[:keep_disk] || {})
-    super
-  end
-
-  def index
-    # Retrieve cache age histogram info from logs.
-
-    # In the logs we expect to find it in an ordered list with entries
-    # of the form (mtime, disk proportion free).
-
-    # An entry of the form (1388747781, 0.52) means that if we deleted
-    # the oldest non-presisted blocks until we had 52% of the disk
-    # free, then all blocks with an mtime greater than 1388747781
-    # would be preserved.
-
-    # The chart we want to produce, will tell us how much of the disk
-    # will be free if we use a cache age of x days. Therefore we will
-    # produce output specifying the age, cache and persisted. age is
-    # specified in milliseconds. cache is the size of the cache if we
-    # delete all blocks older than age. persistent is the size of the
-    # persisted blocks. It is constant regardless of age, but it lets
-    # us show a stacked graph.
-
-    # Finally each entry in cache_age_histogram is a dictionary,
-    # because that's what our charting package wats.
-
-    @cache_age_histogram = []
-    @histogram_pretty_date = nil
-    histogram_log = Log.
-      filter([[:event_type, '=', 'block-age-free-space-histogram']]).
-      order(:created_at => :desc).
-      with_count('none').
-      limit(1)
-    histogram_log.each do |log_entry|
-      # We expect this block to only execute at most once since we
-      # specified limit(1)
-      @cache_age_histogram = log_entry['properties'][:histogram]
-      # Javascript wants dates in milliseconds.
-      histogram_date_ms = log_entry['event_at'].to_i * 1000
-      @histogram_pretty_date = log_entry['event_at'].strftime('%b %-d, %Y')
-
-      total_free_cache = @cache_age_histogram[-1][1]
-      persisted_storage = 1 - total_free_cache
-      @cache_age_histogram.map! { |x| {:age => histogram_date_ms - x[0]*1000,
-          :cache => total_free_cache - x[1],
-          :persisted => persisted_storage} }
-    end
-
-    # Do the regular control work needed.
-    super
-  end
-end