Class: Vos::Drivers::Ssh

Inherits:
Abstract show all
Includes:
SshVfsStorage
Defined in:
lib/vos/drivers/ssh.rb

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  config: true
}

Instance Attribute Summary

Attributes inherited from Abstract

#options

Instance Method Summary collapse

Methods included from SshVfsStorage

#attributes, #create_dir, #delete_dir, #delete_file, #each_entry, #local?, #read_file, #set_attributes, #tmp, #write_file

Constructor Details

#initialize(options = {}) ⇒ Ssh

Returns a new instance of Ssh.



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# File 'lib/vos/drivers/ssh.rb', line 11

def initialize options = {}
  super        
  raise ":host not provided!" unless options[:host]
  @options = DEFAULT_OPTIONS.merge options
  
  # config_options = Net::SSH.configuration_for(options[:host])
  # options = DEFAULT_OPTIONS.merge(config_options).merge options
  # raise ":user not provided (provide explicitly or in .ssh/config)!" unless options[:user]
end

Instance Method Details

#bash(command) ⇒ Object 



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# File 'lib/vos/drivers/ssh.rb', line 77

def bash command
  # somehow net-ssh doesn't executes ~/.profile, so we need to execute it manually
  # command = ". ~/.profile && #{command}"
  stdout_and_stderr, stderr, code, signal = hacked_exec! ssh, command, true

  return code, stdout_and_stderr
end

#close ⇒ Object 



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# File 'lib/vos/drivers/ssh.rb', line 49

def close                        
  if @ssh
    @ssh.close
    # @sftp.close not needed
    @ssh, @sftp = nil
  end
end

#exec(command) ⇒ Object

Shell



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# File 'lib/vos/drivers/ssh.rb', line 68

def exec command
  # somehow net-ssh doesn't executes ~/.profile, so we need to execute it manually
  # command = ". ~/.profile && #{command}"

  stdout, stderr, code, signal = hacked_exec! ssh, command

  return code, stdout, stderr
end

#host ⇒ Object 



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# File 'lib/vos/drivers/ssh.rb', line 90

def host; options[:host] end

#open(&block) ⇒ Object Also known as: open_fs

Establishing SSH channel



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# File 'lib/vos/drivers/ssh.rb', line 25

def open &block
  if block
    if @ssh
      block.call self
    else
      begin            
        open
        block.call self
      ensure
        close
      end
    end
  else
    unless @ssh
      opt = self.options.clone
      host = opt.delete :host #] || raise('host not provided!')
      # user = options.delete(:user) || raise('user not provied!')

      @ssh = Net::SSH.start(host, nil, opt)
      @sftp = @ssh.sftp.connect
    end
  end
end

#to_s ⇒ Object

Miscellaneous



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# File 'lib/vos/drivers/ssh.rb', line 89

def to_s; options[:host] end