Configure whenever schedule and logging for rake task

Capfile

@@ -5,3 +5,4 @@ require 'capistrano/puma/nginx'
 require 'capistrano/rails'
 require 'capistrano/rvm'
 require 'capistrano/upload-config'
+require "whenever/capistrano"

Gemfile

@@ -59,6 +59,7 @@ end
 group :development, :test, :staging do
   gem 'byebug', platform: :ruby
   gem 'spring'
+  gem 'whenever', require: false
 end
 
 group :test do

Gemfile.lock

@@ -370,6 +370,8 @@ GEM
     websocket-driver (0.6.3-java)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
+    whenever (0.10.0)
+      chronic (>= 0.6.3)
     will_paginate (3.1.0)
     xpath (2.0.0)
       nokogiri (~> 1.3)
@@ -442,4 +444,5 @@ DEPENDENCIES
   turbolinks
   uglifier (>= 1.3.0)
   web-console (~> 2.0)
+  whenever
   will_paginate (~> 3.0)

config/deploy.rb

@@ -9,6 +9,8 @@ set :log_level, :info
 set :puma_threads, [0, 16]
 set :repo_url, 'git@github.com:openHPI/codeocean.git'
 
+set :whenever_identifier, ->{ "#{fetch(:application)}_#{fetch(:stage)}" }
+
 namespace :deploy do
   before 'check:linked_files', 'config:push'
 

config/schedule.rb

@@ -0,0 +1,26 @@
+# Use this file to easily define all of your cron jobs.
+#
+# It's helpful, but not entirely necessary to understand cron before proceeding.
+# http://en.wikipedia.org/wiki/Cron
+
+# Example:
+#
+# set :output, "/path/to/my/cron_log.log"
+#
+# every 2.hours do
+#   command "/usr/bin/some_great_command"
+#   runner "MyModel.some_method"
+#   rake "some:great:rake:task"
+# end
+#
+# every 4.days do
+#   runner "AnotherModel.prune_old_records"
+# end
+
+# Learn more: http://github.com/javan/whenever
+
+set :output, Whenever.path + '/log/whenever.log'
+
+every 1.day, at: '3:00 am' do
+  rake 'detect_exercise_anomalies:with_at_least[50,50]'
+end