Class: ServerSettings::RoleDB

Inherits:
Role
  • Object
show all
Includes:
Enumerable
Defined in:
lib/server_settings/role_db.rb

Instance Attribute Summary

Attributes inherited from Role

#config, #name

Instance Method Summary collapse

Methods inherited from Role

#host, #initialize, #load, #method_missing, #with_format

Constructor Details

This class inherits a constructor from ServerSettings::Role

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class ServerSettings::Role

Instance Method Details

#build_db(name, config, group = nil) ⇒ Object 



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# File 'lib/server_settings/role_db.rb', line 10

def build_db(name, config, group = nil)
  db = Database.new(name, group)
  db.master = config[:master]
  db.backup = config[:backup]
  db.slaves = config[:slaves]
  db.settings = config_params(config)
  return db
end

#config_params(config) ⇒ Object 



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# File 'lib/server_settings/role_db.rb', line 50

def config_params(config)
  exclude_settings = [ :master, :backup, :slaves ]
  config_keys = config.keys.select do |s|
    s.is_a?(Symbol) and not exclude_settings.include?(s)
  end
  Hash[*config_keys.map {|s| [s, config[s]] }.flatten]
end

#databases ⇒ Object 



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# File 'lib/server_settings/role_db.rb', line 6

def databases
  @config.keys.select { |a| a.kind_of?(String) }
end

#each {|default_db| ... } ⇒ Object

Yields:

  • (default_db) 


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# File 'lib/server_settings/role_db.rb', line 23

def each
  default_db = build_db("default", @config)
  yield default_db

  databases.each do |db_name|
    config = @config[db_name]

    if config && config.has_key?(:master)
      db = build_db(db_name, config)
      db.settings = default_db.settings.merge(db.settings)
      yield db

    else # this is group section
      group_name = db_name
      config.map do |nest_db_name, nest_config|
        db = build_db(nest_db_name, nest_config, group_name)
        db.settings = default_db.settings.merge(db.settings)
        yield db
      end
    end
  end
end

#find(db_name) ⇒ Object 



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# File 'lib/server_settings/role_db.rb', line 19

def find(db_name)
  select { |s| s.name == db_name }.first
end

#hosts ⇒ Object 



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# File 'lib/server_settings/role_db.rb', line 46

def hosts
  find_all
end