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Contents
require 'net/ssh/multi'
module Mccloud
module Command
#http://stackoverflow.com/questions/1383282/netsshmulti-using-the-environment-exec-how-do-you-get-the-output-straight-away
#https://gist.github.com/700730
def multi(selection=nil,command="who am i",options=nil)
trap("INT") { puts "we hit CTRL_C"; exit }
Net::SSH::Multi.start do |environment|
# Connect to remote machines
ip2name=Hash.new
on_selected_machines(selection) do |id,vm|
instance=vm.instance
if instance.state == "running"
ip2name[instance.public_ip_address]=vm.name
environment.use "#{instance.public_ip_address}", { :user => vm.user , :keys => [ vm.private_key ], :paranoid => false, :keys_only => true}
end
end
unless options["sudo"].nil?
#check vm.sudo
sudo_cmd="sudo"
command="#{sudo_cmd} #{command}"
end
puts "Executing #{command}"
begin
environment.exec("#{command}") do |ch, stream, data|
#exit code
#http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/a806b0f5dae4e1e2
ch.on_request("exit-status") do |ch, data|
exit_code = data.read_long
@status=exit_code
if exit_code > 0
puts "ERROR: exit code #{exit_code}"
else
puts "Successfully executed"
end
end
if (ip2name.count > 1) || options.verbose?
puts "[#{ip2name[ch[:host]]}] #{data}"
else
print "#{data}"
end
# puts "[#{ch[:host]} : #{stream}] #{data}"
end
rescue Errno::ECONNREFUSED
puts "oops - no connection"
end
# Tell Net::SSH to wait for output from the SSH server
environment.loop
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems