Class: Hosts

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

Overview

Class for parsing and writing /etc/hosts file

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Hosts

Returns a new instance of Hosts.



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# File 'lib/hosts.rb', line 4

def initialize
  @preamble = ""
  @postamble = ""
  @config = {}
  parse
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/hosts.rb', line 11

def config
  @config
end

Instance Method Details

#save(dev_domain = nil) ⇒ Object 



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# File 'lib/hosts.rb', line 13

def save(dev_domain=nil)
  File.open('.tmp.hosts','w') do |f|
    f.write @preamble
    f.puts BEGIN_LINE

    @config.each do |ip, host|
      f.puts "#{ip}\t#{host}"
      f.puts "#{ip}\t#{host}.#{dev_domain}" if dev_domain
    end

    f.puts END_LINE
    f.write @postamble
  end
  system "sudo mv .tmp.hosts /etc/hosts"
end