Class: Mysqlknife::Configs

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/mysqlknife/configs.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configs

Returns a new instance of Configs.



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# File 'lib/mysqlknife/configs.rb', line 16

def initialize
  # Define path for config file:
  if ENV['ENV'] == 'test'
    path = File.expand_path(File.join(Dir.pwd, '.db.yml'))
  else
    path = File.expand_path("#{Dir.home}/.db.yml")
  end

  # Load config file:
  @configs = YAML.load_file(path) if File.exist?(path)

  if @configs.nil?
    puts "Not exist config file in #{path}"
    exit 1
  end

  # Define generic variables:
  @ssh   = {}
  @mysql = {}

  @ssh[:host]     = @configs['ssh']['host']
  @ssh[:port]     = @configs['ssh']['port']
  @ssh[:user]     = @configs['ssh']['user']
  @ssh[:password] = @configs['ssh']['password']
  @ssh[:key]      = @configs['ssh']['keys']
  @connections    = @configs['connections'].keys.sort
  @commands       = @configs['commands'].keys.sort
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/mysqlknife/configs.rb', line 45

def method_missing(name, *args)
  method = name.to_s.split(/_/)
  if method.first == 'db'
    param = method[1]
    conn  = args[0]

    if @configs['connections'].include?(conn)
      @configs['connections'][conn][param]
    end
  end
end

Instance Attribute Details

#color ⇒ Object (readonly)

Returns the value of attribute color.



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# File 'lib/mysqlknife/configs.rb', line 8

def color
  @color
end

#commands ⇒ Object (readonly)

Returns the value of attribute commands.



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# File 'lib/mysqlknife/configs.rb', line 8

def commands
  @commands
end

#connection(name) ⇒ Object 



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# File 'lib/mysqlknife/configs.rb', line 57

def connection(name)
  @name             = name
  @color            = db_color(@name)
  @ssh[:use]        = db_ssh(@name)
  @mysql[:host]     = db_host(@name)
  @mysql[:port]     = db_port(@name)
  @mysql[:username] = db_username(@name)
  @mysql[:password] = db_password(@name)
  @mysql[:slaves]   = db_slaves(@name)
end

#connections ⇒ Object (readonly)

Returns the value of attribute connections.



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# File 'lib/mysqlknife/configs.rb', line 8

def connections
  @connections
end

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/mysqlknife/configs.rb', line 8

def host
  @host
end

#mysql ⇒ Object (readonly)

Returns the value of attribute mysql.



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# File 'lib/mysqlknife/configs.rb', line 8

def mysql
  @mysql
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/mysqlknife/configs.rb', line 8

def name
  @name
end

#ssh ⇒ Object (readonly)

Returns the value of attribute ssh.



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# File 'lib/mysqlknife/configs.rb', line 8

def ssh
  @ssh
end

Instance Method Details

#command(name) ⇒ Object 



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# File 'lib/mysqlknife/configs.rb', line 84

def command(name)
  if @configs['commands'].key?(name)
    @configs['commands'][name]
  end
end

#hosts ⇒ Object 



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# File 'lib/mysqlknife/configs.rb', line 68

def hosts
  (@mysql[:slaves] = []) if @mysql[:slaves].nil?
  (@mysql[:host]   = '') if @mysql[:host].nil?

  (@mysql[:host] + ',' + @mysql[:slaves].join(',')).split(',')
end

#select(name) ⇒ Object 



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# File 'lib/mysqlknife/configs.rb', line 75

def select(name)
  if hosts.is_a?(Array)
    hosts.each do |host|
      return @host = host if host.include?(name)
    end
  end
  nil
end