Class: Pasqual::Command

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(program, username, password, host, port, name, file = nil) ⇒ Command

Returns a new instance of Command.



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# File 'lib/pasqual/command.rb', line 14

def initialize(program, username, password, host, port, name, file = nil)
  self.program = program
  self.username = username
  self.password = password
  self.host = host
  self.port = port
  self.name = name
  self.file = file
end

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/pasqual/command.rb', line 11

def file
  @file
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/pasqual/command.rb', line 11

def host
  @host
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/pasqual/command.rb', line 11

def name
  @name
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/pasqual/command.rb', line 11

def output
  @output
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/pasqual/command.rb', line 11

def password
  @password
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/pasqual/command.rb', line 11

def port
  @port
end

#program ⇒ Object

Returns the value of attribute program.



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# File 'lib/pasqual/command.rb', line 11

def program
  @program
end

#status ⇒ Object

Returns the value of attribute status.



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# File 'lib/pasqual/command.rb', line 11

def status
  @status
end

#username ⇒ Object

Returns the value of attribute username.



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# File 'lib/pasqual/command.rb', line 11

def username
  @username
end

Class Method Details

.execute(program, username, password, host, port, name, file = nil) ⇒ Object 



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# File 'lib/pasqual/command.rb', line 7

def self.execute(program, username, password, host, port, name, file = nil)
  new(program, username, password, host, port, name, file).tap { |c| c.execute }
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/pasqual/command.rb', line 24

def execute
  outfile = Tempfile.new("pasqual-#{name}")
  outfile.sync = true

  process = ChildProcess.build program,
    *Arglist.args(username, password, host, port, name)

  process.io.stdout = process.io.stderr = outfile

  process.duplex = true if file

  # TODO: find out why piping to stdin doesn't work :(
  ENV['PGPASSWORD'] = password
  process.start

  if file && File.exist?(file)
    File.open file do |f|
      process.io.stdin.puts f.read
      process.io.stdin.flush
    end
    process.io.stdin.close
  elsif file
    process.io.stdin.puts file
    process.io.stdin.flush
    process.io.stdin.close
  end

  process.poll_for_exit(30)
  ENV['PGPASSWORD'] = nil

  outfile.rewind
  self.output = outfile.read
  self.status = process.exit_code
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pasqual/command.rb', line 59

def success?
  status == 0
end