Class: FissherBase

Inherits:
Object
  • Object
show all
Defined in:
lib/fissher_base.rb

Overview

Main class. This one does all the dirty work.

Instance Method Summary collapse

Instance Method Details

#go_time ⇒ Object

The guts of the app. This handles putting everything together and running the commands via Net::SSH::Multi.



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# File 'lib/fissher_base.rb', line 12

def go_time
  opts = FissherConf.handle_opts unless !opts.nil?
  abort "No hosts specified! Please use -H or -G!\n" unless !opts[:hostlist].nil?

  Net::SSH::Multi.start(:concurrent_connections => opts[:concurrency], :on_error => :warn) do |session|
    if opts[:gateway]
      session.via opts[:gateway], opts[:user], :password => opts[:password]
    end

    # Create our connection list
    opts[:hostlist].each do |host|
      session.use host, :user => opts[:user], :password => opts[:password]
    end

    if opts[:command] =~ /^sudo/
      if opts[:password].nil?
        p = FissherConf::Misc.new
        opts[:password] = p.getpass
      end

      # Get a PTY and exec command on servers
      session.open_channel do |ch|
        ch.request_pty do |c, success|
          raise "could not request pty" unless success
          ch.exec opts[:command]
          ch.on_data do |c_, data|
            if data =~ /\[sudo\]/
              ch.send_data(opts[:password] + "\n")
            else
              puts "[#{ch[:host]}]: #{data}" unless data =~ /^\n$|^\s*$/
            end
          end
        end
      end 
    else
      # Sudo isn't needed. We don't need a PTY.
      session.exec(opts[:command]) 
    end

    # go time... for real.
    session.loop
  end
end