79 lines
2.3 KiB
Ruby
79 lines
2.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require_relative '../../migration_helpers'
|
|
|
|
module RuboCop
|
|
module Cop
|
|
module Migration
|
|
class WithLockRetriesDisallowedMethod < RuboCop::Cop::Base
|
|
include MigrationHelpers
|
|
|
|
ALLOWED_MIGRATION_METHODS = %i[
|
|
create_table
|
|
create_hash_partitions
|
|
drop_table
|
|
add_foreign_key
|
|
remove_foreign_key
|
|
add_column
|
|
remove_column
|
|
execute
|
|
change_column_default
|
|
change_column_null
|
|
remove_foreign_key_if_exists
|
|
remove_foreign_key_without_error
|
|
rename_index
|
|
rename_constraint
|
|
table_exists?
|
|
index_exists_by_name?
|
|
foreign_key_exists?
|
|
index_exists?
|
|
column_exists?
|
|
create_trigger_to_sync_tables
|
|
].sort.freeze
|
|
|
|
MSG = "The method is not allowed to be called within the `with_lock_retries` block, the only allowed methods are: #{ALLOWED_MIGRATION_METHODS.join(', ')}"
|
|
MSG_ONLY_ONE_FK_ALLOWED = "Avoid adding more than one foreign key within the `with_lock_retries`. See https://docs.gitlab.com/ee/development/migration_style_guide.html#examples"
|
|
|
|
def_node_matcher :send_node?, <<~PATTERN
|
|
send
|
|
PATTERN
|
|
|
|
def_node_matcher :add_foreign_key?, <<~PATTERN
|
|
(send nil? :add_foreign_key ...)
|
|
PATTERN
|
|
|
|
def on_block(node)
|
|
block_body = node.body
|
|
|
|
return unless in_migration?(node)
|
|
return unless block_body
|
|
return unless node.method_name == :with_lock_retries
|
|
|
|
if send_node?(block_body)
|
|
check_node(block_body)
|
|
else
|
|
block_body.children.each { |n| check_node(n) }
|
|
end
|
|
end
|
|
|
|
def check_node(node)
|
|
return unless send_node?(node)
|
|
|
|
name = node.children[1]
|
|
add_offense(node) unless ALLOWED_MIGRATION_METHODS.include?(name)
|
|
add_offense(node.loc.selector, message: MSG_ONLY_ONE_FK_ALLOWED) if multiple_fks?(node)
|
|
end
|
|
|
|
def multiple_fks?(node)
|
|
return unless add_foreign_key?(node)
|
|
|
|
count = node.parent.each_descendant(:send).count do |node|
|
|
add_foreign_key?(node)
|
|
end
|
|
|
|
count > 1
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|