2014-07-01 19:54:33 +00:00

54 lines
1.1 KiB
Ruby

module Producer
module Core
class Remote
attr_reader :hostname
attr_writer :session
def initialize(hostname)
@hostname = hostname
end
def session
@session ||= Net::SSH.start(@hostname, user_name)
end
def config
@config ||= Net::SSH::Config.for(@hostname)
end
def user_name
config[:user] || Etc.getlogin
end
def fs
@fs ||= Remote::FS.new(session.sftp.connect)
end
def execute(command, output = '')
channel = session.open_channel do |channel|
channel.exec command do |ch, success|
ch.on_data do |c, data|
output << data
end
ch.on_request 'exit-status' do |c, data|
exit_status = data.read_long
fail RemoteCommandExecutionError, command if exit_status != 0
end
end
end
channel.wait
output
end
def environment
Environment.new_from_string(execute 'env')
end
def cleanup
session.close if @session
end
end
end
end