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require 'yaml'
module Ci
module Migrate
class Database
attr_reader :config
def initialize
@config = YAML.load_file(File.join(Rails.root, 'config', 'database.yml'))[Rails.env]
end
def restore(ci_dump)
puts 'Deleting all CI related data ... '
truncate_ci_tables
puts 'Restoring CI data ... '
case config["adapter"]
when /^mysql/ then
print "Restoring MySQL database #{config['database']} ... "
# Workaround warnings from MySQL 5.6 about passwords on cmd line
ENV['MYSQL_PWD'] = config["password"].to_s if config["password"]
system('mysql', *mysql_args, config['database'], in: ci_dump)
when "postgresql" then
puts "Restoring PostgreSQL database #{config['database']} ... "
pg_env
system('psql', config['database'], '-f', ci_dump)
end
end
protected
def truncate_ci_tables
c = ActiveRecord::Base.connection
c.tables.select { |t| t.start_with?('ci_') }.each do |table|
puts "Deleting data from #{table}..."
c.execute("DELETE FROM #{table}")
end
end
def mysql_args
args = {
'host' => '--host',
'port' => '--port',
'socket' => '--socket',
'username' => '--user',
'encoding' => '--default-character-set'
}
args.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact
end
def pg_env
ENV['PGUSER'] = config["username"] if config["username"]
ENV['PGHOST'] = config["host"] if config["host"]
ENV['PGPORT'] = config["port"].to_s if config["port"]
ENV['PGPASSWORD'] = config["password"].to_s if config["password"]
end
def report_success(success)
if success
puts '[DONE]'.green
else
puts '[FAILED]'.red
end
end
end
end
end
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