Class: Synqa::InternalSshScp

Inherits:
BaseSshScp show all
Defined in:
lib/synqa.rb

Overview

SSH/SCP using Ruby Net::SSH & Net::SCP

Instance Attribute Summary

Attributes inherited from BaseSshScp

#host, #user, #userAtHost

Instance Method Summary collapse

Methods inherited from BaseSshScp

#deleteDirectory, #deleteFile, #setUserAtHost

Constructor Details

#initialize ⇒ InternalSshScp

Returns a new instance of InternalSshScp.



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# File 'lib/synqa.rb', line 224

def initialize
  @connection = nil
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/synqa.rb', line 240

def close()
  if @connection != nil
    puts "Closing SSH connection to #{user}@#{host} ..."
    @connection.close()
    @connection = nil
  end
end

#connection ⇒ Object 



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# File 'lib/synqa.rb', line 228

def connection
  if @connection == nil
    puts "Opening SSH connection to #{user}@#{host} ..."
    @connection = Net::SSH.start(host, user)
  end
  return @connection
end

#copyLocalFileToRemoteDirectory(sourcePath, destinationPath, dryRun) ⇒ Object

copy a local file to a remote directory (if dryRun is false)



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# File 'lib/synqa.rb', line 272

def copyLocalFileToRemoteDirectory(sourcePath, destinationPath, dryRun)
  description = "SCP: copy file #{sourcePath} to #{user}@#{host}:#{destinationPath}"
  puts description
  if not dryRun
    scpConnection.upload!(sourcePath, destinationPath)
  end
end

#copyLocalToRemoteDirectory(sourcePath, destinationPath, dryRun) ⇒ Object

copy a local directory to a remote directory (if dryRun is false)



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# File 'lib/synqa.rb', line 263

def copyLocalToRemoteDirectory(sourcePath, destinationPath, dryRun)
  description = "SCP: copy directory #{sourcePath} to #{user}@#{host}:#{destinationPath}"
  puts description
  if not dryRun
    scpConnection.upload!(sourcePath, destinationPath, :recursive => true)
  end
end

#scpConnection ⇒ Object 



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# File 'lib/synqa.rb', line 236

def scpConnection
  return connection.scp
end

#ssh(commandString, dryRun) ⇒ Object

execute command on remote host (if dryRun is false), yielding lines of output



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# File 'lib/synqa.rb', line 249

def ssh(commandString, dryRun)
  description = "SSH #{user}@#{host}: executing #{commandString}"
  puts description
  if not dryRun
    outputText = connection.exec!(commandString)
    if outputText != nil then
      for line in outputText.split("\n") do
        yield line
      end
    end
  end
end