mirror of
https://github.com/discourse/discourse.git
synced 2024-12-05 12:23:38 +08:00
3736d66f17
Specifically fixes a bug in smoke-test where it would just move on after failing to install latest js dependencies with yarn.
606 lines
16 KiB
Ruby
606 lines
16 KiB
Ruby
# frozen_string_literal: true
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# we should set the locale before the migration
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task "set_locale" do
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begin
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I18n.locale =
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begin
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(SiteSetting.default_locale || :en)
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rescue StandardError
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:en
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end
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rescue I18n::InvalidLocale
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I18n.locale = :en
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end
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end
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module MultisiteTestHelpers
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def self.load_multisite?
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Rails.env.test? && !ENV["RAILS_DB"] && !ENV["SKIP_MULTISITE"]
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end
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def self.create_multisite?
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(ENV["RAILS_ENV"] == "test" || !ENV["RAILS_ENV"]) && !ENV["RAILS_DB"] &&
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!ENV["SKIP_MULTISITE"] && !ENV["SKIP_TEST_DATABASE"]
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end
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end
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task "db:environment:set" => [:load_config] do |_, args|
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if MultisiteTestHelpers.load_multisite?
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system(
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"RAILS_ENV=test RAILS_DB=discourse_test_multisite rake db:environment:set",
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exception: true,
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)
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end
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end
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task "db:force_skip_persist" do
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GlobalSetting.skip_db = true
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GlobalSetting.skip_redis = true
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end
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task "db:create" => [:load_config] do |_, args|
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if MultisiteTestHelpers.create_multisite?
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unless system("RAILS_ENV=test RAILS_DB=discourse_test_multisite rake db:create")
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STDERR.puts "-" * 80
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STDERR.puts "ERROR: Could not create multisite DB. A common cause of this is a plugin"
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STDERR.puts "checking the column structure when initializing, which raises an error."
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STDERR.puts "-" * 80
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raise "Could not initialize discourse_test_multisite"
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end
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end
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end
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begin
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reqs = Rake::Task["db:create"].prerequisites.map(&:to_sym)
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Rake::Task["db:create"].clear_prerequisites
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Rake::Task["db:create"].enhance(["db:force_skip_persist"] + reqs)
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end
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task "db:drop" => [:load_config] do |_, args|
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if MultisiteTestHelpers.create_multisite?
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system("RAILS_DB=discourse_test_multisite RAILS_ENV=test rake db:drop", exception: true)
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end
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end
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begin
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Rake::Task["db:migrate"].clear
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Rake::Task["db:rollback"].clear
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end
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task "db:rollback" => %w[environment set_locale] do |_, args|
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step = ENV["STEP"] ? ENV["STEP"].to_i : 1
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ActiveRecord::Base.connection.migration_context.rollback(step)
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Rake::Task["db:_dump"].invoke
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end
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# our optimized version of multisite migrate, we have many sites and we have seeds
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# this ensures we can run migrations concurrently to save huge amounts of time
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Rake::Task["multisite:migrate"].clear
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class StdOutDemux
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def initialize(stdout)
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@stdout = stdout
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@data = {}
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end
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def write(data)
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(@data[Thread.current] ||= +"") << data
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end
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def close
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finish_chunk
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end
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def finish_chunk
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data = @data[Thread.current]
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if data
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@stdout.write(data)
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@data.delete Thread.current
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end
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end
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def flush
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# Do nothing
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end
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end
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class SeedHelper
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def self.paths
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DiscoursePluginRegistry.seed_paths
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end
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def self.filter
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# Allows a plugin to exclude any specified seed data files from running
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if DiscoursePluginRegistry.seedfu_filter.any?
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/\A(?!.*(#{DiscoursePluginRegistry.seedfu_filter.to_a.join("|")})).*\z/
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else
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nil
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end
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end
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end
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task "multisite:migrate" => %w[
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db:load_config
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environment
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set_locale
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assets:precompile:theme_transpiler
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] do |_, args|
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raise "Multisite migrate is only supported in production" if ENV["RAILS_ENV"] != "production"
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DistributedMutex.synchronize(
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"db_migration",
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redis: Discourse.redis.without_namespace,
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validity: 1200,
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) do
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# TODO: Switch to processes for concurrent migrations because Rails migration
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# is not thread safe by default.
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concurrency = 1
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puts "Multisite migrator is running using #{concurrency} threads"
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puts
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exceptions = Queue.new
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if concurrency > 1
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old_stdout = $stdout
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$stdout = StdOutDemux.new($stdout)
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end
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SeedFu.quiet = true
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def execute_concurrently(concurrency, exceptions)
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queue = Queue.new
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RailsMultisite::ConnectionManagement.each_connection { |db| queue << db }
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concurrency.times { queue << :done }
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(1..concurrency)
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.map do
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Thread.new do
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while true
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db = queue.pop
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break if db == :done
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RailsMultisite::ConnectionManagement.with_connection(db) do
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begin
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yield(db) if block_given?
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rescue => e
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exceptions << [db, e]
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ensure
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begin
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$stdout.finish_chunk if concurrency > 1
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rescue => ex
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STDERR.puts ex.inspect
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STDERR.puts ex.backtrace
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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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.each(&:join)
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end
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def check_exceptions(exceptions)
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if exceptions.length > 0
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STDERR.puts
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STDERR.puts "-" * 80
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STDERR.puts "#{exceptions.length} migrations failed!"
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while !exceptions.empty?
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db, e = exceptions.pop
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STDERR.puts
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STDERR.puts "Failed to migrate #{db}"
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STDERR.puts e.inspect
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STDERR.puts e.backtrace
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STDERR.puts
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end
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exit 1
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end
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end
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execute_concurrently(concurrency, exceptions) do |db|
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puts "Migrating #{db}"
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ActiveRecord::Tasks::DatabaseTasks.migrate
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end
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check_exceptions(exceptions)
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SeedFu.seed(SeedHelper.paths, /001_refresh/)
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execute_concurrently(concurrency, exceptions) do |db|
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puts "Seeding #{db}"
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SeedFu.seed(SeedHelper.paths, SeedHelper.filter)
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if !Discourse.skip_post_deployment_migrations? && ENV["SKIP_OPTIMIZE_ICONS"] != "1"
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SiteIconManager.ensure_optimized!
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end
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end
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$stdout = old_stdout if concurrency > 1
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check_exceptions(exceptions)
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Rake::Task["db:_dump"].invoke
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end
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end
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task "db:migrate" => %w[
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load_config
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environment
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set_locale
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assets:precompile:theme_transpiler
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] do |_, args|
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DistributedMutex.synchronize(
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"db_migration",
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redis: Discourse.redis.without_namespace,
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validity: 300,
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) do
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migrations = ActiveRecord::Base.connection.migration_context.migrations
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now_timestamp = Time.now.utc.strftime("%Y%m%d%H%M%S").to_i
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epoch_timestamp = Time.at(0).utc.strftime("%Y%m%d%H%M%S").to_i
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if migrations.last.version > now_timestamp
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raise "Migration #{migrations.last.version} is timestamped in the future"
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end
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if migrations.first.version < epoch_timestamp
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raise "Migration #{migrations.first.version} is timestamped before the epoch"
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end
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%i[pg_trgm unaccent].each do |extension|
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begin
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DB.exec "CREATE EXTENSION IF NOT EXISTS #{extension}"
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rescue => e
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STDERR.puts "Cannot enable database extension #{extension}"
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STDERR.puts e
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end
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end
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ActiveRecord::Tasks::DatabaseTasks.migrate
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SeedFu.quiet = true
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SeedFu.seed(SeedHelper.paths, SeedHelper.filter)
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Rake::Task["db:schema:cache:dump"].invoke if Rails.env.development? && !ENV["RAILS_DB"]
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if !Discourse.skip_post_deployment_migrations? && ENV["SKIP_OPTIMIZE_ICONS"] != "1"
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SiteIconManager.ensure_optimized!
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end
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end
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if !Discourse.is_parallel_test? && MultisiteTestHelpers.load_multisite?
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system("RAILS_DB=discourse_test_multisite rake db:migrate", exception: true)
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end
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end
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task "test:prepare" => "environment" do
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I18n.locale =
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begin
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SiteSetting.default_locale
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rescue StandardError
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:en
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end
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SeedFu.seed(DiscoursePluginRegistry.seed_paths)
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end
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task "db:api_test_seed" => "environment" do
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puts "Loading test data for discourse_api"
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load Rails.root + "db/api_test_seeds.rb"
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end
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def print_table(array)
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width = array[0].keys.map { |k| k.to_s.length }
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cols = array[0].keys.length
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array.each do |row|
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row.each_with_index { |(_, val), i| width[i] = [width[i].to_i, val.to_s.length].max }
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end
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array[0].keys.each_with_index do |col, i|
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print col.to_s.ljust(width[i], " ")
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if i == cols - 1
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puts
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else
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print " | "
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end
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end
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puts "-" * (width.sum + width.length)
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array.each do |row|
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row.each_with_index do |(_, val), i|
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print val.to_s.ljust(width[i], " ")
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if i == cols - 1
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puts
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else
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print " | "
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end
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end
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end
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end
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desc "Statistics about database"
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task "db:stats" => "environment" do
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sql = <<~SQL
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select table_name,
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(
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select reltuples::bigint
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from pg_class
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where oid = ('public.' || table_name)::regclass
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) AS row_estimate,
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pg_size_pretty(pg_table_size(quote_ident(table_name))) table_size,
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pg_size_pretty(pg_indexes_size(quote_ident(table_name))) index_size,
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pg_size_pretty(pg_total_relation_size(quote_ident(table_name))) total_size
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from information_schema.tables
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where table_schema = 'public'
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order by pg_total_relation_size(quote_ident(table_name)) DESC
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SQL
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puts
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print_table(DB.query_hash(sql))
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end
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task "db:ensure_post_migrations" do
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if %w[1 true].include?(ENV["SKIP_POST_DEPLOYMENT_MIGRATIONS"])
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cmd = `cat /proc/#{Process.pid}/cmdline | xargs -0 echo`
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ENV["SKIP_POST_DEPLOYMENT_MIGRATIONS"] = "0"
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exec cmd
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end
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end
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class NormalizedIndex
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attr_accessor :name, :original, :normalized, :table
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def initialize(original)
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@original = original
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@normalized = original.sub(/(create.*index )(\S+)(.*)/i, '\1idx\3')
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@name = original.match(/create.*index (\S+)/i)[1]
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@table = original.match(/create.*index \S+ on public\.(\S+)/i)[1]
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end
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def ==(other)
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other&.normalized == normalized
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end
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end
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def normalize_index_names(names)
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names.map { |name| NormalizedIndex.new(name) }.reject { |i| i.name.include?("ccnew") }
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end
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desc "Validate indexes"
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task "db:validate_indexes", [:arg] => %w[db:ensure_post_migrations environment] do |_, args|
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db = TemporaryDb.new
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db.start
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db.migrate
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ActiveRecord::Base.establish_connection(
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adapter: "postgresql",
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database: "discourse",
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port: db.pg_port,
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host: "localhost",
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)
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expected = DB.query_single <<~SQL
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SELECT indexdef FROM pg_indexes
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WHERE schemaname = 'public'
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ORDER BY indexdef
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SQL
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expected_tables = DB.query_single <<~SQL
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SELECT tablename
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FROM pg_tables
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WHERE schemaname = 'public'
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SQL
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ActiveRecord::Base.establish_connection
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db.stop
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puts
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fix_indexes = (ENV["FIX_INDEXES"] == "1" || args[:arg] == "fix")
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inconsistency_found = false
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RailsMultisite::ConnectionManagement.each_connection do |db_name|
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puts "Testing indexes on the #{db_name} database", ""
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current = DB.query_single <<~SQL
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SELECT indexdef FROM pg_indexes
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WHERE schemaname = 'public'
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ORDER BY indexdef
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SQL
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missing = expected - current
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extra = current - expected
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extra.reject! { |x| x =~ /idx_recent_regular_post_search_data/ }
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renames = []
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normalized_missing = normalize_index_names(missing)
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normalized_extra = normalize_index_names(extra)
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normalized_extra.each do |extra_index|
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if missing_index = normalized_missing.select { |x| x == extra_index }.first
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renames << [extra_index, missing_index]
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missing.delete missing_index.original
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extra.delete extra_index.original
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end
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end
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next if db_name != "default" && renames.length == 0 && missing.length == 0 && extra.length == 0
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if renames.length > 0
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inconsistency_found = true
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puts "Renamed indexes"
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renames.each do |extra_index, missing_index|
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puts "#{extra_index.name} should be renamed to #{missing_index.name}"
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end
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puts
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if fix_indexes
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puts "fixing indexes"
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renames.each do |extra_index, missing_index|
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DB.exec "ALTER INDEX #{extra_index.name} RENAME TO #{missing_index.name}"
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end
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puts
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end
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end
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if missing.length > 0
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inconsistency_found = true
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puts "Missing Indexes", ""
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missing.each { |m| puts m }
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if fix_indexes
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puts "Adding missing indexes..."
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missing.each do |m|
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begin
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DB.exec(m)
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rescue => e
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$stderr.puts "Error running: #{m} - #{e}"
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end
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end
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end
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else
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puts "No missing indexes", ""
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end
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if extra.length > 0
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inconsistency_found = true
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puts "", "Extra Indexes", ""
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extra.each { |e| puts e }
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if fix_indexes
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puts "Removing extra indexes"
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extra.each do |statement|
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if match = /create .*index (\S+) on public\.(\S+)/i.match(statement)
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index_name, table_name = match[1], match[2]
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if expected_tables.include?(table_name)
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puts "Dropping #{index_name}"
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begin
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DB.exec("DROP INDEX #{index_name}")
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rescue => e
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$stderr.puts "Error dropping index #{index_name} - #{e}"
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end
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else
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$stderr.puts "Skipping #{index_name} since #{table_name} should not exist - maybe an old plugin created it"
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end
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else
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$stderr.puts "ERROR - BAD REGEX - UNABLE TO PARSE INDEX - #{statement}"
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end
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end
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end
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else
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puts "No extra indexes", ""
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end
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end
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exit 1 if inconsistency_found && !fix_indexes
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end
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desc "Rebuild indexes"
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task "db:rebuild_indexes" => "environment" do
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if Import.backup_tables_count > 0
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raise "Backup from a previous import exists. Drop them before running this job with rake import:remove_backup, or move them to another schema."
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end
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Discourse.enable_readonly_mode
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backup_schema = Jobs::Importer::BACKUP_SCHEMA
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table_names =
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DB.query_single(
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"select table_name from information_schema.tables where table_schema = 'public'",
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)
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begin
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# Move all tables to the backup schema:
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DB.exec("DROP SCHEMA IF EXISTS #{backup_schema} CASCADE")
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DB.exec("CREATE SCHEMA #{backup_schema}")
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table_names.each do |table_name|
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DB.exec("ALTER TABLE public.#{table_name} SET SCHEMA #{backup_schema}")
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end
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# Create a new empty db
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Rake::Task["db:migrate"].invoke
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# Fetch index definitions from the new db
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index_definitions = {}
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table_names.each do |table_name|
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index_definitions[table_name] = DB.query_single(
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"SELECT indexdef FROM pg_indexes WHERE tablename = '#{table_name}' and schemaname = 'public';",
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)
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end
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# Drop the new tables
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table_names.each { |table_name| DB.exec("DROP TABLE public.#{table_name}") }
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# Move the old tables back to the public schema
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table_names.each do |table_name|
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DB.exec("ALTER TABLE #{backup_schema}.#{table_name} SET SCHEMA public")
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end
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# Drop their indexes
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index_names =
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DB.query_single(
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"SELECT indexname FROM pg_indexes WHERE schemaname = 'public' AND tablename IN ('#{table_names.join("', '")}')",
|
|
)
|
|
index_names.each do |index_name|
|
|
begin
|
|
puts index_name
|
|
DB.exec("DROP INDEX public.#{index_name}")
|
|
rescue ActiveRecord::StatementInvalid
|
|
# It's this:
|
|
# PG::Error: ERROR: cannot drop index category_users_pkey because constraint category_users_pkey on table category_users requires it
|
|
# HINT: You can drop constraint category_users_pkey on table category_users instead.
|
|
end
|
|
end
|
|
|
|
# Create the indexes
|
|
table_names.each do |table_name|
|
|
index_definitions[table_name].each do |index_def|
|
|
begin
|
|
DB.exec(index_def)
|
|
rescue ActiveRecord::StatementInvalid
|
|
# Trying to recreate a primary key
|
|
end
|
|
end
|
|
end
|
|
rescue StandardError
|
|
# Can we roll this back?
|
|
raise
|
|
ensure
|
|
Discourse.disable_readonly_mode
|
|
end
|
|
end
|
|
|
|
desc "Check that the DB can be accessed"
|
|
task "db:status:json" do
|
|
begin
|
|
Rake::Task["environment"].invoke
|
|
DB.query("SELECT 1")
|
|
rescue StandardError
|
|
puts({ status: "error" }.to_json)
|
|
else
|
|
puts({ status: "ok" }.to_json)
|
|
end
|
|
end
|
|
|
|
desc "Grow notification id column to a big int in case of overflow"
|
|
task "db:resize:notification_id" => :environment do
|
|
sql = <<~SQL
|
|
SELECT table_name, column_name FROM INFORMATION_SCHEMA.columns
|
|
WHERE (column_name like '%notification_id' OR column_name = 'id' and table_name = 'notifications') AND data_type = 'integer'
|
|
SQL
|
|
|
|
DB
|
|
.query(sql)
|
|
.each do |row|
|
|
puts "Changing #{row.table_name}(#{row.column_name}) to a bigint"
|
|
DB.exec("ALTER table #{row.table_name} ALTER COLUMN #{row.column_name} TYPE BIGINT")
|
|
end
|
|
end
|