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author | Sean McGivern <sean@mcgivern.me.uk> | 2017-05-01 09:09:26 +0000 |
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committer | Sean McGivern <sean@mcgivern.me.uk> | 2017-05-01 09:09:26 +0000 |
commit | d6dfbf02f706c138b43c06886ba8b36512e32b0a (patch) | |
tree | b61a9569b374786145fe080b6015c24694e852a9 | |
parent | e4160fab67800598e1d005eb9c280a307be594b0 (diff) | |
parent | 30cc6b202a1ce18be880b101bc16df6bb1d2536f (diff) | |
download | gitlab-ce-d6dfbf02f706c138b43c06886ba8b36512e32b0a.tar.gz |
Merge branch 'rs-add_column_with_default_cops' into 'master'
Add cop to blacklist specific tables for `add_column_with_default`
Closes #31293
See merge request !10892
16 files changed, 121 insertions, 13 deletions
diff --git a/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb b/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb index 69d64ccd006..22bac46e25c 100644 --- a/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb +++ b/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddOnlyAllowMergeIfBuildSucceedsToProjects < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! diff --git a/db/migrate/20160608195742_add_repository_storage_to_projects.rb b/db/migrate/20160608195742_add_repository_storage_to_projects.rb index c700d2b569d..0f3664c13ef 100644 --- a/db/migrate/20160608195742_add_repository_storage_to_projects.rb +++ b/db/migrate/20160608195742_add_repository_storage_to_projects.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddRepositoryStorageToProjects < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! diff --git a/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb b/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb index bf0131c6d76..5dc26f8982a 100644 --- a/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb +++ b/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddRequestAccessEnabledToProjects < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! diff --git a/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb b/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb index e7b14cd3ee2..4a317646788 100644 --- a/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb +++ b/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddRequestAccessEnabledToGroups < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! diff --git a/db/migrate/20160831223750_remove_features_enabled_from_projects.rb b/db/migrate/20160831223750_remove_features_enabled_from_projects.rb index a2c207b49ea..7414a28ac97 100644 --- a/db/migrate/20160831223750_remove_features_enabled_from_projects.rb +++ b/db/migrate/20160831223750_remove_features_enabled_from_projects.rb @@ -1,6 +1,7 @@ # See http://doc.gitlab.com/ce/development/migration_style_guide.html # for more information on how to write migrations for GitLab. +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class RemoveFeaturesEnabledFromProjects < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! diff --git a/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb b/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb index 18ea9d43a43..0100e30a733 100644 --- a/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb +++ b/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb @@ -1,6 +1,7 @@ # See http://doc.gitlab.com/ce/development/migration_style_guide.html # for more information on how to write migrations for GitLab. +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class RemoveProjectsPushesSinceGc < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers diff --git a/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb b/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb index df5cddeb205..ae37da275fd 100644 --- a/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb +++ b/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddTwoFactorColumnsToNamespaces < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers diff --git a/db/migrate/20170124193205_add_two_factor_columns_to_users.rb b/db/migrate/20170124193205_add_two_factor_columns_to_users.rb index 1d1021fcbb3..8d4aefa4365 100644 --- a/db/migrate/20170124193205_add_two_factor_columns_to_users.rb +++ b/db/migrate/20170124193205_add_two_factor_columns_to_users.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddTwoFactorColumnsToUsers < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers diff --git a/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb b/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb index f54608ecceb..7ad01a04815 100644 --- a/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb +++ b/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb @@ -1,6 +1,7 @@ # See http://doc.gitlab.com/ce/development/migration_style_guide.html # for more information on how to write migrations for GitLab. +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddPrintingMergeRequestLinkEnabledToProject < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! diff --git a/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb b/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb index aa64f2dddca..f335e77fb5e 100644 --- a/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb +++ b/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class AddAutoCancelPendingPipelinesToProject < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers diff --git a/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb b/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb index b39c0a3be0f..6c9fe19ca34 100644 --- a/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb +++ b/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb @@ -1,3 +1,4 @@ +# rubocop:disable Migration/AddColumnWithDefaultToLargeTable class RevertAddNotifiedOfOwnActivityToUsers < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers disable_ddl_transaction! diff --git a/rubocop/cop/migration/add_column_with_default_to_large_table.rb b/rubocop/cop/migration/add_column_with_default_to_large_table.rb new file mode 100644 index 00000000000..2372e6b60ea --- /dev/null +++ b/rubocop/cop/migration/add_column_with_default_to_large_table.rb @@ -0,0 +1,51 @@ +require_relative '../../migration_helpers' + +module RuboCop + module Cop + module Migration + # This cop checks for `add_column_with_default` on a table that's been + # explicitly blacklisted because of its size. + # + # Even though this helper performs the update in batches to avoid + # downtime, using it with tables with millions of rows still causes a + # significant delay in the deploy process and is best avoided. + # + # See https://gitlab.com/gitlab-com/infrastructure/issues/1602 for more + # information. + class AddColumnWithDefaultToLargeTable < RuboCop::Cop::Cop + include MigrationHelpers + + MSG = 'Using `add_column_with_default` on the `%s` table will take a ' \ + 'long time to complete, and should be avoided unless absolutely ' \ + 'necessary'.freeze + + LARGE_TABLES = %i[ + events + issues + merge_requests + namespaces + notes + projects + routes + users + ].freeze + + def_node_matcher :add_column_with_default?, <<~PATTERN + (send nil :add_column_with_default $(sym ...) ...) + PATTERN + + def on_send(node) + return unless in_migration?(node) + + matched = add_column_with_default?(node) + return unless matched + + table = matched.to_a.first + return unless LARGE_TABLES.include?(table) + + add_offense(node, :expression, format(MSG, table)) + end + end + end + end +end diff --git a/rubocop/cop/migration/add_column_with_default.rb b/rubocop/cop/migration/reversible_add_column_with_default.rb index 54a920d4b49..f413f06f39b 100644 --- a/rubocop/cop/migration/add_column_with_default.rb +++ b/rubocop/cop/migration/reversible_add_column_with_default.rb @@ -5,29 +5,30 @@ module RuboCop module Migration # Cop that checks if `add_column_with_default` is used with `up`/`down` methods # and not `change`. - class AddColumnWithDefault < RuboCop::Cop::Cop + class ReversibleAddColumnWithDefault < RuboCop::Cop::Cop include MigrationHelpers + def_node_matcher :add_column_with_default?, <<~PATTERN + (send nil :add_column_with_default $...) + PATTERN + + def_node_matcher :defines_change?, <<~PATTERN + (def :change ...) + PATTERN + MSG = '`add_column_with_default` is not reversible so you must manually define ' \ 'the `up` and `down` methods in your migration class, using `remove_column` in `down`'.freeze def on_send(node) return unless in_migration?(node) - - name = node.children[1] - - return unless name == :add_column_with_default + return unless add_column_with_default?(node) node.each_ancestor(:def) do |def_node| - next unless method_name(def_node) == :change + next unless defines_change?(def_node) add_offense(def_node, :name) end end - - def method_name(node) - node.children.first - end end end end diff --git a/rubocop/rubocop.rb b/rubocop/rubocop.rb index d580aa6857a..4ff204f939e 100644 --- a/rubocop/rubocop.rb +++ b/rubocop/rubocop.rb @@ -1,9 +1,10 @@ require_relative 'cop/custom_error_class' require_relative 'cop/gem_fetcher' require_relative 'cop/migration/add_column' -require_relative 'cop/migration/add_column_with_default' +require_relative 'cop/migration/add_column_with_default_to_large_table' require_relative 'cop/migration/add_concurrent_foreign_key' require_relative 'cop/migration/add_concurrent_index' require_relative 'cop/migration/add_index' require_relative 'cop/migration/remove_concurrent_index' require_relative 'cop/migration/remove_index' +require_relative 'cop/migration/reversible_add_column_with_default' diff --git a/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb b/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb new file mode 100644 index 00000000000..07cb3fc4a2e --- /dev/null +++ b/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb @@ -0,0 +1,44 @@ +require 'spec_helper' + +require 'rubocop' +require 'rubocop/rspec/support' + +require_relative '../../../../rubocop/cop/migration/add_column_with_default_to_large_table' + +describe RuboCop::Cop::Migration::AddColumnWithDefaultToLargeTable do + include CopHelper + + subject(:cop) { described_class.new } + + context 'in migration' do + before do + allow(cop).to receive(:in_migration?).and_return(true) + end + + described_class::LARGE_TABLES.each do |table| + it "registers an offense for the #{table} table" do + inspect_source(cop, "add_column_with_default :#{table}, :column, default: true") + + aggregate_failures do + expect(cop.offenses.size).to eq(1) + expect(cop.offenses.map(&:line)).to eq([1]) + end + end + end + + it 'registers no offense for non-blacklisted tables' do + inspect_source(cop, "add_column_with_default :table, :column, default: true") + + expect(cop.offenses).to be_empty + end + end + + context 'outside of migration' do + it 'registers no offense' do + table = described_class::LARGE_TABLES.sample + inspect_source(cop, "add_column_with_default :#{table}, :column, default: true") + + expect(cop.offenses).to be_empty + end + end +end diff --git a/spec/rubocop/cop/migration/add_column_with_default_spec.rb b/spec/rubocop/cop/migration/reversible_add_column_with_default_spec.rb index 6b9b6b19650..3723d635083 100644 --- a/spec/rubocop/cop/migration/add_column_with_default_spec.rb +++ b/spec/rubocop/cop/migration/reversible_add_column_with_default_spec.rb @@ -3,9 +3,9 @@ require 'spec_helper' require 'rubocop' require 'rubocop/rspec/support' -require_relative '../../../../rubocop/cop/migration/add_column_with_default' +require_relative '../../../../rubocop/cop/migration/reversible_add_column_with_default' -describe RuboCop::Cop::Migration::AddColumnWithDefault do +describe RuboCop::Cop::Migration::ReversibleAddColumnWithDefault do include CopHelper subject(:cop) { described_class.new } |