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namespace :gitlab do
namespace :db do
desc 'GitLab | DB | Manually insert schema migration version'
task :mark_migration_complete, [:version] => :environment do |_, args|
unless args[:version]
puts "Must specify a migration version as an argument".color(:red)
exit 1
end
version = args[:version].to_i
if version == 0
puts "Version '#{args[:version]}' must be a non-zero integer".color(:red)
exit 1
end
sql = "INSERT INTO schema_migrations (version) VALUES (#{version})"
begin
ActiveRecord::Base.connection.execute(sql)
puts "Successfully marked '#{version}' as complete".color(:green)
rescue ActiveRecord::RecordNotUnique
puts "Migration version '#{version}' is already marked complete".color(:yellow)
end
end
desc 'GitLab | DB | Drop all tables'
task drop_tables: :environment do
connection = ActiveRecord::Base.connection
# In PostgreSQLAdapter, data_sources returns both views and tables, so use
# #tables instead
tables = connection.tables
# Removes the entry from the array
tables.delete 'schema_migrations'
# Truncate schema_migrations to ensure migrations re-run
connection.execute('TRUNCATE schema_migrations') if connection.table_exists? 'schema_migrations'
# Drop tables with cascade to avoid dependent table errors
# PG: http://www.postgresql.org/docs/current/static/ddl-depend.html
# Add `IF EXISTS` because cascade could have already deleted a table.
tables.each { |t| connection.execute("DROP TABLE IF EXISTS #{connection.quote_table_name(t)} CASCADE") }
end
desc 'GitLab | DB | Configures the database by running migrate, or by loading the schema and seeding if needed'
task configure: :environment do
# Check if we have existing db tables
# The schema_migrations table will still exist if drop_tables was called
if ActiveRecord::Base.connection.tables.count > 1
Rake::Task['db:migrate'].invoke
else
# Add post-migrate paths to ensure we mark all migrations as up
Gitlab::Database.add_post_migrate_path_to_rails(force: true)
Rake::Task['db:structure:load'].invoke
Rake::Task['db:seed_fu'].invoke
end
end
desc 'GitLab | DB | Checks if migrations require downtime or not'
task :downtime_check, [:ref] => :environment do |_, args|
abort 'You must specify a Git reference to compare with' unless args[:ref]
require 'shellwords'
ref = Shellwords.escape(args[:ref])
migrations = `git diff #{ref}.. --diff-filter=A --name-only -- db/migrate`.lines
.map { |file| Rails.root.join(file.strip).to_s }
.select { |file| File.file?(file) }
.select { |file| /\A[0-9]+.*\.rb\z/ =~ File.basename(file) }
Gitlab::DowntimeCheck.new.check_and_print(migrations)
end
desc 'GitLab | DB | Sets up EE specific database functionality'
if Gitlab.ee?
task setup_ee: %w[geo:db:drop geo:db:create geo:db:schema:load geo:db:migrate]
else
task :setup_ee
end
desc 'This adjusts and cleans db/structure.sql - it runs after db:structure:dump'
task :clean_structure_sql do |task_name|
structure_file = 'db/structure.sql'
schema = File.read(structure_file)
File.open(structure_file, 'wb+') do |io|
Gitlab::Database::SchemaCleaner.new(schema).clean(io)
end
# Allow this task to be called multiple times, as happens when running db:migrate:redo
Rake::Task[task_name].reenable
end
# Inform Rake that gitlab:schema:clean_structure_sql should be run every time rake db:structure:dump is run
Rake::Task['db:structure:dump'].enhance do
Rake::Task['gitlab:db:clean_structure_sql'].invoke
end
end
end
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