81 lines
3.2 KiB
Ruby
81 lines
3.2 KiB
Ruby
namespace :gitlab do
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namespace :db do
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desc 'GitLab | Manually insert schema migration version'
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task :mark_migration_complete, [:version] => :environment do |_, args|
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unless args[:version]
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puts "Must specify a migration version as an argument".color(:red)
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exit 1
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end
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version = args[:version].to_i
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if version == 0
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puts "Version '#{args[:version]}' must be a non-zero integer".color(:red)
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exit 1
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end
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sql = "INSERT INTO schema_migrations (version) VALUES (#{version})"
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begin
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ActiveRecord::Base.connection.execute(sql)
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puts "Successfully marked '#{version}' as complete".color(:green)
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rescue ActiveRecord::RecordNotUnique
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puts "Migration version '#{version}' is already marked complete".color(:yellow)
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end
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end
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desc 'Drop all tables'
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task drop_tables: :environment do
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connection = ActiveRecord::Base.connection
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# If MySQL, turn off foreign key checks
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connection.execute('SET FOREIGN_KEY_CHECKS=0') if Gitlab::Database.mysql?
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# connection.tables is deprecated in MySQLAdapter, but in PostgreSQLAdapter
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# data_sources returns both views and tables, so use #tables instead
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tables = Gitlab::Database.mysql? ? connection.data_sources : connection.tables
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# Removes the entry from the array
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tables.delete 'schema_migrations'
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# Truncate schema_migrations to ensure migrations re-run
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connection.execute('TRUNCATE schema_migrations') if connection.data_source_exists? 'schema_migrations'
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# Drop tables with cascade to avoid dependent table errors
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# PG: http://www.postgresql.org/docs/current/static/ddl-depend.html
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# MySQL: http://dev.mysql.com/doc/refman/5.7/en/drop-table.html
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# Add `IF EXISTS` because cascade could have already deleted a table.
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tables.each { |t| connection.execute("DROP TABLE IF EXISTS #{connection.quote_table_name(t)} CASCADE") }
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# If MySQL, re-enable foreign key checks
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connection.execute('SET FOREIGN_KEY_CHECKS=1') if Gitlab::Database.mysql?
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end
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desc 'Configures the database by running migrate, or by loading the schema and seeding if needed'
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task configure: :environment do
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# Check if we have existing db tables
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# The schema_migrations table will still exist if drop_tables was called
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if ActiveRecord::Base.connection.tables.count > 1
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Rake::Task['db:migrate'].invoke
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else
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# Add post-migrate paths to ensure we mark all migrations as up
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Gitlab::Database.add_post_migrate_path_to_rails(force: true)
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Rake::Task['db:schema:load'].invoke
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Rake::Task['db:seed_fu'].invoke
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end
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end
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desc 'Checks if migrations require downtime or not'
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task :downtime_check, [:ref] => :environment do |_, args|
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abort 'You must specify a Git reference to compare with' unless args[:ref]
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require 'shellwords'
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ref = Shellwords.escape(args[:ref])
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migrations = `git diff #{ref}.. --diff-filter=A --name-only -- db/migrate`.lines
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.map { |file| Rails.root.join(file.strip).to_s }
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.select { |file| File.file?(file) }
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.select { |file| /\A[0-9]+.*\.rb\z/ =~ File.basename(file) }
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Gitlab::DowntimeCheck.new.check_and_print(migrations)
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end
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end
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end
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