196 lines
6.6 KiB
Ruby
196 lines
6.6 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Database
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module RenameReservedPathsMigration
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module V1
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class RenameBase
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attr_reader :paths, :migration
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delegate :update_column_in_batches,
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:execute,
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:replace_sql,
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:quote_string,
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:say,
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to: :migration
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def initialize(paths, migration)
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@paths = paths
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@migration = migration
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end
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def path_patterns
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@path_patterns ||= paths.flat_map { |path| ["%/#{path}", path] }
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end
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def rename_path_for_routable(routable)
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old_path = routable.path
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old_full_path = routable.full_path
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# Only remove the last occurrence of the path name to get the parent namespace path
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namespace_path = remove_last_occurrence(old_full_path, old_path)
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new_path = rename_path(namespace_path, old_path)
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new_full_path = join_routable_path(namespace_path, new_path)
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perform_rename(routable, old_full_path, new_full_path)
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[old_full_path, new_full_path]
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end
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def perform_rename(routable, old_full_path, new_full_path)
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# skips callbacks & validations
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new_path = new_full_path.split('/').last
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routable.class.where(id: routable)
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.update_all(path: new_path)
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rename_routes(old_full_path, new_full_path)
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end
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def rename_routes(old_full_path, new_full_path)
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routes = Route.arel_table
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quoted_old_full_path = quote_string(old_full_path)
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quoted_old_wildcard_path = quote_string("#{old_full_path}/%")
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filter =
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"routes.id IN "\
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"( SELECT routes.id FROM routes WHERE lower(routes.path) = lower('#{quoted_old_full_path}') "\
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"UNION SELECT routes.id FROM routes WHERE routes.path ILIKE '#{quoted_old_wildcard_path}' )"
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replace_statement = replace_sql(Route.arel_table[:path],
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old_full_path,
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new_full_path)
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update = Arel::UpdateManager.new
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.table(routes)
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.set([[routes[:path], replace_statement]])
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.where(Arel::Nodes::SqlLiteral.new(filter))
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execute(update.to_sql)
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end
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def rename_path(namespace_path, path_was)
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counter = 0
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path = "#{path_was}#{counter}"
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while route_exists?(join_routable_path(namespace_path, path))
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counter += 1
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path = "#{path_was}#{counter}"
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end
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path
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end
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def remove_last_occurrence(string, pattern)
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string.reverse.sub(pattern.reverse, "").reverse
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end
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def join_routable_path(namespace_path, top_level)
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if namespace_path.present?
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File.join(namespace_path, top_level)
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else
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top_level
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end
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end
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def route_exists?(full_path)
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MigrationClasses::Route.where(Route.arel_table[:path].matches(full_path)).any?
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end
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def move_pages(old_path, new_path)
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move_folders(pages_dir, old_path, new_path)
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end
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def move_uploads(old_path, new_path)
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return unless file_storage?
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move_folders(uploads_dir, old_path, new_path)
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end
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def move_folders(directory, old_relative_path, new_relative_path)
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old_path = File.join(directory, old_relative_path)
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unless File.directory?(old_path)
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say "#{old_path} doesn't exist, skipping"
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return
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end
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new_path = File.join(directory, new_relative_path)
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FileUtils.mv(old_path, new_path)
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end
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def remove_cached_html_for_projects(project_ids)
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project_ids.each do |project_id|
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update_column_in_batches(:projects, :description_html, nil) do |table, query|
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query.where(table[:id].eq(project_id))
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end
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update_column_in_batches(:issues, :description_html, nil) do |table, query|
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query.where(table[:project_id].eq(project_id))
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end
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update_column_in_batches(:merge_requests, :description_html, nil) do |table, query|
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query.where(table[:target_project_id].eq(project_id))
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end
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update_column_in_batches(:notes, :note_html, nil) do |table, query|
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query.where(table[:project_id].eq(project_id))
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end
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update_column_in_batches(:milestones, :description_html, nil) do |table, query|
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query.where(table[:project_id].eq(project_id))
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end
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end
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end
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def track_rename(type, old_path, new_path)
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key = redis_key_for_type(type)
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Gitlab::Redis::SharedState.with do |redis|
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redis.lpush(key, [old_path, new_path].to_json)
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redis.expire(key, 2.weeks.to_i)
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end
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say "tracked rename: #{key}: #{old_path} -> #{new_path}"
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end
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def reverts_for_type(type)
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key = redis_key_for_type(type)
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Gitlab::Redis::SharedState.with do |redis|
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failed_reverts = []
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while rename_info = redis.lpop(key)
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path_before_rename, path_after_rename = Gitlab::Json.parse(rename_info)
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say "renaming #{type} from #{path_after_rename} back to #{path_before_rename}"
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begin
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yield(path_before_rename, path_after_rename)
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rescue StandardError => e
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failed_reverts << rename_info
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say "Renaming #{type} from #{path_after_rename} back to "\
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"#{path_before_rename} failed. Review the error and try "\
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"again by running the `down` action. \n"\
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"#{e.message}: \n #{e.backtrace.join("\n")}"
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end
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end
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failed_reverts.each { |rename_info| redis.lpush(key, rename_info) }
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end
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end
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def redis_key_for_type(type)
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"rename:#{migration.name}:#{type}"
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end
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def file_storage?
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CarrierWave::Uploader::Base.storage == CarrierWave::Storage::File
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end
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def uploads_dir
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File.join(CarrierWave.root, "uploads")
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end
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def pages_dir
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Settings.pages.path
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end
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end
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end
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end
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end
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end
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