Class: LearnOpen::Adapters::SshAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/learn_open/adapters/ssh_adapter.rb

Defined Under Namespace

Classes: UnknownError

Constant Summary collapse

SSH_AUTH_SUCCESS_EXIT_STATUS = 
1
SSH_AUTH_FAILURE_EXIT_STATUS = 
255

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(user:, hostname:) ⇒ SshAdapter

Returns a new instance of SshAdapter.



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# File 'lib/learn_open/adapters/ssh_adapter.rb', line 9

def initialize(user:, hostname:)
  @user = user
  @hostname = hostname
end

Instance Attribute Details

#hostname ⇒ Object (readonly)

Returns the value of attribute hostname.



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# File 'lib/learn_open/adapters/ssh_adapter.rb', line 4

def hostname
  @hostname
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'lib/learn_open/adapters/ssh_adapter.rb', line 4

def user
  @user
end

Instance Method Details

#authenticated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/learn_open/adapters/ssh_adapter.rb', line 22

def authenticated?
  _stdout, stderr, status = LearnOpen.system_adapter.run_command_with_capture("ssh -T #{user}@#{hostname}")

  case status.exitstatus
  when SSH_AUTH_SUCCESS_EXIT_STATUS
    true
  when SSH_AUTH_FAILURE_EXIT_STATUS
    case stderr
    when /permission denied/i
      false
    else
      raise LearnOpen::Adapters::SshAdapter::UnknownError
    end
  else
    raise LearnOpen::Adapters::SshAdapter::UnknownError
  end
end

#public_key ⇒ Object 



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# File 'lib/learn_open/adapters/ssh_adapter.rb', line 14

def public_key
  File.read("#{ENV['HOME']}/.ssh/id_rsa.pub").chomp
end

#unauthenticated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/learn_open/adapters/ssh_adapter.rb', line 18

def unauthenticated?
  !authenticated?
end