1 files changed, 0 insertions, 73 deletions
diff --git a/lib/gitlab/downtime_check.rb b/lib/gitlab/downtime_check.rb
deleted file mode 100644
index 457a3c12206..00000000000
--- a/lib/gitlab/downtime_check.rb
+++ /dev/null
@@ -1,73 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
-  # Checks if a set of migrations requires downtime or not.
-  class DowntimeCheck
-    # The constant containing the boolean that indicates if downtime is needed
-    # or not.
-    DOWNTIME_CONST = :DOWNTIME
-
-    # The constant that specifies the reason for the migration requiring
-    # downtime.
-    DOWNTIME_REASON_CONST = :DOWNTIME_REASON
-
-    # Checks the given migration paths and returns an Array of
-    # `Gitlab::DowntimeCheck::Message` instances.
-    #
-    # migrations - The migration file paths to check.
-    def check(migrations)
-      migrations.map do |path|
-        require(path)
-
-        migration_class = class_for_migration_file(path)
-
-        unless migration_class.const_defined?(DOWNTIME_CONST)
-          raise "The migration in #{path} does not specify if it requires " \
-            "downtime or not"
-        end
-
-        if online?(migration_class)
-          Message.new(path)
-        else
-          reason = downtime_reason(migration_class)
-
-          unless reason
-            raise "The migration in #{path} requires downtime but no reason " \
-              "was given"
-          end
-
-          Message.new(path, true, reason)
-        end
-      end
-    end
-
-    # Checks the given migrations and prints the results to STDOUT/STDERR.
-    #
-    # migrations - The migration file paths to check.
-    def check_and_print(migrations)
-      check(migrations).each do |message|
-        puts message.to_s # rubocop: disable Rails/Output
-      end
-    end
-
-    # Returns the class for the given migration file path.
-    def class_for_migration_file(path)
-      File.basename(path, File.extname(path)).split('_', 2).last.camelize
-        .constantize
-    end
-
-    # Returns true if the given migration can be performed without downtime.
-    def online?(migration)
-      migration.const_get(DOWNTIME_CONST, false) == false
-    end
-
-    # Returns the downtime reason, or nil if none was defined.
-    def downtime_reason(migration)
-      if migration.const_defined?(DOWNTIME_REASON_CONST)
-        migration.const_get(DOWNTIME_REASON_CONST, false)
-      else
-        nil
-      end
-    end
-  end
-end