Files
metasploit-gs/lib/msf/core/db_manager/migration.rb
T

82 lines
2.8 KiB
Ruby

# -*- coding: binary -*-
module Msf::DBManager::Migration
# Loads Metasploit Data Models and adds its migrations to migrations paths.
#
# @return [void]
def add_rails_engine_migration_paths
unless defined? ActiveRecord
fail "Bundle installed '--without #{Bundler.settings.without.join(' ')}'. To clear the without option do " \
"`bundle install --without ''` (the --without flag with an empty string) or `rm -rf .bundle` to remove " \
"the .bundle/config manually and then `bundle install`"
end
::Rails::Engine.subclasses.map(&:instance).each.each do |engine|
migrations_paths = engine.paths['db/migrate'].existent_directories
migrations_paths.each do |migrations_path|
# Since ActiveRecord::Migrator.migrations_paths can persist between
# instances of Msf::DBManager, such as in specs,
# migrations_path may already be part of
# migrations_paths, in which case it should not be added or multiple
# migrations with the same version number errors will occur.
unless ActiveRecord::Migrator.migrations_paths.include? migrations_path
ActiveRecord::Migrator.migrations_paths << migrations_path
end
end
end
end
# Migrate database to latest schema version.
#
# @param verbose [Boolean] see ActiveRecord::Migration.verbose
# @return [Array<ActiveRecord::MigrationProxy] List of migrations that
# ran.
#
# @see ActiveRecord::Migrator.migrate
def migrate(verbose=false)
ran = []
ActiveRecord::Migration.verbose = verbose
ActiveRecord::Base.connection_pool.with_connection do
begin
ran = ActiveRecord::Migrator.migrate(
ActiveRecord::Migrator.migrations_paths
)
# ActiveRecord::Migrator#migrate rescues all errors and re-raises them
# as StandardError
rescue StandardError => error
self.error = error
elog("DB.migrate threw an exception: #{error}")
dlog("Call stack:\n#{error.backtrace.join "\n"}")
end
end
# Since the connections that existed before the migrations ran could
# have outdated column information, reset column information for all
# ActiveRecord::Base descendents to prevent missing method errors for
# column methods for columns created in migrations after the column
# information was cached.
reset_column_information
return ran
end
# Flag to indicate database migration has completed
#
# @return [Boolean]
attr_accessor :migrated
private
# Resets the column information for all descendants of ActiveRecord::Base
# since some of the migrations may have cached column information that
# has been updated by later migrations.
#
# @return [void]
def reset_column_information
ActiveRecord::Base.descendants.each do |descendant|
descendant.reset_column_information
end
end
end