Class: MysqlBackup::Install

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

Class Method Summary collapse

Class Method Details

.ask_for_options ⇒ Object 



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# File 'lib/mysql_backup/install.rb', line 8

def ask_for_options
  require "highline/import"

  puts <<-PROMPT

  Please enter your MySQL username and password.

  PROMPT

  user     = ask("MySQL username   : ")
  password = ask("MySQL password   : ") { |q| q.echo = false }
  host     = ask("MySQL host       : ") { |q| q.default = 'localhost' }
  dir      = ask("Backup directory : ") { |q| q.default = '/tmp' }

  [user, password, host, dir]
end

.install ⇒ Object 



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# File 'lib/mysql_backup/install.rb', line 25

def install
  begin
    if File.exist?(CONF_FILE)
      puts <<-WARN

      #{CONF_FILE} already exists. Remove it and try again.
      
      WARN

      exit
    end

    user, password, host, dir = ask_for_options

    File.open(CONF_FILE, 'w') do |file|
      template = File.read(File.join(File.dirname(__FILE__), 'mysql_backup.yml.example'))
      template.gsub!('USER', user)
      template.gsub!('PASS', password)
      template.gsub!('HOST', host)
      template.gsub!('DIR', dir)
      
      file << template
    end

    FileUtils.chmod(750, CONF_FILE)

    puts <<-ERR


      Configuration file #{CONF_FILE} written.

      You can now backup all databases by running the following command:

        $ mysql_backup

    ERR

  rescue Errno::EACCES => e
    puts <<-ERR

      You need to run this command with sudo or as root.

    ERR
    exit
  end
end