74 lines
1.8 KiB
Ruby
74 lines
1.8 KiB
Ruby
# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
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require 'fileutils'
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require 'digest'
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class MysqlStrategy
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def self.db?
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ActiveRecord::Base.connection.instance_values['config'][:adapter] == 'mysql2'
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end
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def self.db_checksum
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@@db_checksum ||= begin # rubocop:disable Style/ClassVars
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files = Dir[ Rails.root.join('db/**/*') ].reject { |f| File.directory?(f) }
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content = files.map { |f| File.read(f) }.join
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Digest::MD5.hexdigest(content).to_s
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end
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end
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def self.basepath
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Rails.root.join("tmp/mysql_reset/#{db_checksum}/")
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end
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def self.backup_file
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"#{basepath}db.sql"
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end
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def self.backup_exists?
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File.exist?(backup_file)
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end
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def self.username
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ActiveRecord::Base.connection.instance_values['config'][:username]
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end
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def self.password
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ActiveRecord::Base.connection.instance_values['config'][:password]
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end
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def self.host
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ActiveRecord::Base.connection.instance_values['config'][:host] || '127.0.0.1'
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end
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def self.database
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ActiveRecord::Base.connection.instance_values['config'][:database]
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end
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def self.mysql_arguments
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args = " -u#{username} -h#{host}"
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args += " -p#{password}" if password.present? # allow for passwordless access on dev systems
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args + " #{database}"
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end
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def self.rollback
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system("mysql #{mysql_arguments} < #{backup_file}", exception: true)
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Rake::Task['zammad:db:rebuild'].reenable
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Rake::Task['zammad:db:rebuild'].invoke
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end
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def self.backup
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Rake::Task['zammad:db:reset'].reenable
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Rake::Task['zammad:db:reset'].invoke
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system("mysqldump #{mysql_arguments} > #{backup_file}", exception: true)
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end
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def self.reset
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FileUtils.mkdir_p Rails.root.join(basepath)
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if backup_exists?
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rollback
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else
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backup
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end
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end
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end
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