Class: Cindy::Executor::SSH

Inherits:
Base
  • Object
show all
Defined in:
lib/cindy/executor/ssh.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#exec, #exec!, from_uri

Constructor Details

#initialize(uri, logger) ⇒ SSH

Returns a new instance of SSH.



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# File 'lib/cindy/executor/ssh.rb', line 11

def initialize(uri, logger)
    @cnx = Net::SSH.start(uri.host, uri.user)
    super logger
end

Class Method Details

.handle?(uri) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cindy/executor/ssh.rb', line 7

def self.handle?(uri)
    'ssh' == uri.scheme
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/cindy/executor/ssh.rb', line 38

def close
    @cnx.close
end

#exec_imp(command, stdin_str) ⇒ Object 



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# File 'lib/cindy/executor/ssh.rb', line 16

def exec_imp(command, stdin_str)
    exit_status = 1
    stdout_str = stderr_str = ''
    @cnx.open_channel do |channel|
        channel.exec(command) do |ch, success|
            channel.on_data do |ch, data|
                stdout_str += data
            end
            channel.on_extended_data do |ch, type, data|
                stderr_str += data
            end
            channel.on_request 'exit-status' do |ch, data|
                exit_status = data.read_long
            end
            channel.send_data stdin_str.force_encoding('ASCII-8BIT') if stdin_str
            channel.eof!
        end
    end
    @cnx.loop
    [ stdout_str, stderr_str, exit_status ]
end