Class: Russh::Accessor

Inherits:
Object
  • Object
show all
Defined in:
lib/russh/accessor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Accessor

Returns a new instance of Accessor.



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# File 'lib/russh/accessor.rb', line 7

def initialize
  @path = Dir.home + '/.ssh/config'
  @is_existing = is_existing?
  @is_readable = is_readable?
  @is_writable = is_writable?
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/russh/accessor.rb', line 5

def path
  @path
end

Instance Method Details

#backup ⇒ Object

Backups the config file to config.bk



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# File 'lib/russh/accessor.rb', line 43

def backup
  if is_readable?
    FileUtils.cp @path, "#{@path}.bk"
  end
end

#create(host, host_name, user) ⇒ Object 



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# File 'lib/russh/accessor.rb', line 55

def create(host, host_name, user)
  # Ask the user for input
  @host = host
  @host_name = host_name
  @user = user
  # Check for read and write access
  if is_readable? && is_writable?
    backup
    open(@path, 'a+') do |f|
      # If the file is new don't add a newline.
      f.puts if f.readlines.size > 0
      # Format each entry
      f.puts format_entry
    end
  end
end

#is_existing? ⇒ Boolean

Checks if the config file is existing. If not it creates a new one.

Returns:

  • (Boolean) 


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# File 'lib/russh/accessor.rb', line 15

def is_existing?
  if File.exist? @path
    @is_existing = true
  else
    puts "You don't have an existing ssh config file. Creating a new one for you."
    File.new(@path, 'w')
  end
end

#is_readable? ⇒ Boolean

Checks if the config file is readable.

Returns:

  • (Boolean) 


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# File 'lib/russh/accessor.rb', line 25

def is_readable?
  begin
    @is_readable = File.readable? @path
  rescue => e
    puts "Couldn't read your ssh config: Error #{e}"
  end
end

#is_writable? ⇒ Boolean

Checks if the config file is writable.

Returns:

  • (Boolean) 


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# File 'lib/russh/accessor.rb', line 34

def is_writable?
  begin
    @is_writable = File.writable? @path
  rescue => e
    puts "Couldn't write to your ssh config: Error #{e}"
  end
end

#read ⇒ Object 



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# File 'lib/russh/accessor.rb', line 49

def read
  if is_readable?
    File.read @path
  end
end