FEATURE: New site setting to enable a daily automatic backup

app/jobs/scheduled/create_backup.rb

@@ -0,0 +1,14 @@
+require_dependency "backup_restore"
+
+module Jobs
+  class CreateBackup < Jobs::Scheduled
+    every 1.day
+    sidekiq_options retry: false
+
+    def execute(args)
+      return unless SiteSetting.backup_daily?
+      BackupRestore.backup!(Discourse.system_user.id, false)
+    end
+  end
+end
+

config/locales/server.en.yml

@@ -713,6 +713,7 @@ en:
 
     allow_restore: "Allow restore, which can replace ALL site data! Leave false unless you plan to do restore a backup"
     maximum_backups: "The maximum amount of backups to keep on disk. Older backups are automatically deleted"
+    backup_daily: "Automatically create a site backup once a day"
 
     active_user_rate_limit_secs: "How frequently we update the 'last_seen_at' field, in seconds"
     previous_visit_timeout_hours: "How long a visit lasts before we consider it the 'previous' visit, in hours"

config/site_settings.yml

@@ -416,6 +416,9 @@ backups:
   maximum_backups:
     client: true
     default: 7
+  backup_daily:
+    client: false
+    default: false
 
 uncategorized:
 

spec/jobs/create_backup_spec.rb

@@ -0,0 +1,18 @@
+require 'spec_helper'
+
+require_dependency 'jobs/scheduled/create_backup'
+
+describe Jobs::CreateBackup do
+  it "does nothing when daily backups are disabled" do
+    SiteSetting.stubs(:backup_daily?).returns(false)
+    BackupRestore.expects(:backup!).never
+    Jobs::CreateBackup.new.execute({})
+  end
+
+  it "calls `backup!` when the daily backups are enabled" do
+    SiteSetting.stubs(:backup_daily?).returns(true)
+    BackupRestore.expects(:backup!).with(Discourse.system_user.id, false).once
+    Jobs::CreateBackup.new.execute({})
+  end
+end
+