Class: Cnvrg::Ssh

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resp) ⇒ Ssh

Returns a new instance of Ssh.



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# File 'lib/cnvrg/ssh.rb', line 11

def initialize(resp)
  begin
    @is_ssh = false
    sts_path = resp["result"]["sts_path"]

    uri = URI.parse(sts_path)

    http_object = Net::HTTP.new(uri.host, uri.port)
    http_object.use_ssl = true if uri.scheme == 'https'
    request = Net::HTTP::Get.new(sts_path)

    body = ""
    http_object.start do |http|
      response = http.request request
      body = response.read_body
    end

    URLcrypt::key = [body].pack('H*')
    ip = URLcrypt.decrypt(resp["result"]["machine_i"])

    @user = URLcrypt.decrypt(resp["result"]["machine_u"])
    key = URLcrypt.decrypt(resp["result"]["machine_k"])
    @container = URLcrypt.decrypt(resp["result"]["machine_c"])

    tempssh = Tempfile.new "sshkey"
    tempssh.write open(key).read
    tempssh.rewind
    key_path = tempssh.path
    count = 0
    while count < 5

      begin
        @ssh = Net::SSH.start(ip, user=@user, :keys => key_path, :timeout => 10)
        if !@ssh.nil?
          @is_ssh = true
          return
        else
          count+=1
          sleep(2)

        end
      rescue
        count+=1
        sleep(2)


      end
    end
    if tempssh
      tempssh.close
      tempssh.unlink
    end
    return false
  rescue => e

    puts e
  end
end

Instance Attribute Details

#is_ssh ⇒ Object (readonly)

Returns the value of attribute is_ssh.



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# File 'lib/cnvrg/ssh.rb', line 8

def is_ssh
  @is_ssh
end

Instance Method Details

#close_ssh ⇒ Object 



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# File 'lib/cnvrg/ssh.rb', line 78

def close_ssh()


  begin

    @ssh.close
  rescue => e

  end


end

#exec_command(command) ⇒ Object 



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# File 'lib/cnvrg/ssh.rb', line 72

def exec_command(command)
  exec_command = "sudo -i -u #{@user} cnvrg exec_container #{@container} \"#{command}\" "
  return @ssh.exec!(exec_command)
end