storage manager: remove fog backend.

Remove in favor of rclone.

Gemfile

@@ -46,8 +46,6 @@ gem 'builder'
 gem 'puma'
 gem 'scenic'
 gem 'ipaddress'
-gem 'fog-core'
-gem 'fog-backblaze', require: 'fog/backblaze'
 
 # needed for looser jpeg header compat
 gem 'ruby-imagespec', :require => "image_spec", :git => "https://github.com/r888888888/ruby-imagespec.git", :branch => "exif-fixes"

Gemfile.lock

@@ -153,7 +153,6 @@ GEM
       railties (>= 3.2, < 6.1)
     equalizer (0.0.11)
     erubi (1.9.0)
-    excon (0.70.0)
     factory_bot (5.1.1)
       activesupport (>= 4.2.0)
     faraday (0.17.1)
@@ -162,14 +161,6 @@ GEM
     ffi (1.11.3)
     ffi (1.11.3-x64-mingw32)
     flamegraph (0.9.5)
-    fog-backblaze (0.3.0)
-      fog-core (>= 1.40, < 3)
-    fog-core (2.1.2)
-      builder
-      excon (~> 0.58)
-      formatador (~> 0.2)
-      mime-types
-    formatador (0.2.5)
     get_process_mem (0.2.5)
       ffi (~> 1.0)
     globalid (0.4.2)
@@ -453,8 +444,6 @@ DEPENDENCIES
   factory_bot
   ffaker
   flamegraph
-  fog-backblaze
-  fog-core
   httparty
   ipaddress
   jquery-rails

app/logical/storage_manager/cloud.rb

@@ -1,32 +0,0 @@
-class StorageManager::Cloud < StorageManager
-  attr_reader :bucket, :client, :fog_options
-
-  def initialize(bucket, client: nil, fog_options: {}, **options)
-    @bucket = bucket
-    @fog_options = fog_options
-    @client = client || Fog::Storage.new(**fog_options)
-    super(**options)
-  end
-
-  def store(io, path)
-    io.rewind # XXX caller should be responsible for this.
-    data = io.read
-    client.put_object(bucket, key(path), data)
-  end
-
-  def delete(path)
-    client.delete_object(bucket, key(path))
-  end
-
-  def open(path)
-    file = Tempfile.new(binmode: true)
-    response = client.get_object(bucket, key(path))
-    file.write(response.body)
-    file.rewind
-    file
-  end
-
-  def key(path)
-    path.delete_prefix("/")
-  end
-end