Class: GGConfig

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/gg_config/gg_config.rb

Instance Method Summary collapse

Methods included from Logging

create_logger, #logger, logger, set_log_conf, #set_log_file, #set_log_level

Constructor Details

#initialize(options = {:conf_dir => "/conf", :conf_file => "gaddy_*.gcf"}) ⇒ GGConfig

Returns a new instance of GGConfig.



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# File 'lib/gg_config/gg_config.rb', line 27

def initialize(options = {:conf_dir => "/conf", :conf_file => "gaddy_*.gcf"} )
  @conf_file = options[:conf_file]
  @conf_dir = File.expand_path(options[:conf_dir])
end

Instance Method Details

#config ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 79

def config
  @config_content ||= read_config_file
end

#config=(new_config) ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 83

def config= (new_config)
  @config_content = new_config.symbolize_keys!
end

#config_file_name ⇒ Object

Get the config file name



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# File 'lib/gg_config/gg_config.rb', line 63

def config_file_name
  Dir.glob(File.join(@conf_dir, @conf_file))[0]
end

#device_id ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 33

def device_id
  config[:device_id]
end

#get_config_for(config_type, conf_name, extra_conf_file) ⇒ Object

Generic method to get the initial config for a config_type, could be device_name or user_name, will also try to find all kind of configs files with device_name or user_name



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# File 'lib/gg_config/gg_config.rb', line 106

def get_config_for(config_type, conf_name, extra_conf_file)
  config_value = nil
  begin
    if config
      logger.debug "Config exist and is #{config} looking for config type #{config_type}"
      config_value = config[config_type]
    end
  rescue Exception => e
    logger.info "Could not find a gaddygaddy config file, message is #{e.message}"
  end
  unless config_value
    files = Dir.glob(File.join(@conf_dir, 'config.*'))
    files << File.join(@conf_dir, extra_conf_file) if File.exist? File.join(@conf_dir, extra_conf_file)
    files.each do |conf_file_name|
      logger.debug "The file #{conf_file_name} has file size #{File.size(conf_file_name)}"
      if File.size(conf_file_name).to_i < 1000
        conf_file = File.open(conf_file_name,"r")
        lines = conf_file.readlines
        # Check if there are not a lot of lines in the config
        if lines.size < 4
          lines.each do |line|
            if line.index("=")
              args = line.split("=")
              # Validate that the syntax of the property is ok
              if args.size == 2
                config_value = args[1].strip if args[0].strip == conf_name || args[0].strip == "config_value"
              else
                logger.info "The file #{conf_file_name} has too many = in the line #{line}"
              end
            else
              # Validate that there are no spaces in the config_value
              config_value = line.strip
            end
          end
        else
          logger.info "The file #{conf_file_name} is not a config file as it's too many lines"
        end
      else
        logger.info "Will not check file #{conf_file_name} as it is to big"
      end
    end
  end
  # Check that we have found a config_value and that the config_value is a valid host name, if not raise a exception with topic info to be able to help the user further
  unless config_value
    raise JNoGaddyGaddyConfigFile.new({:message => "Could not found any file with config in the config dir #{@conf_dir}",
                                       :topic => TPC_NO_CONFIG_FILE,
                                       :extra_info => {:conf_dir => @conf_dir}
                                      })
  end
  config_value
end

#get_device_name ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 37

def get_device_name
  device_name = get_config_for(:device_name,"host","device")
  unless valid_host_name?(device_name)
    raise JException.new({:message => "The host name #{device_name} is not a valid host name",
                          :status => ERR_NO_VALID_HOSTNAME,
                          :extra_info => {:host_name => device_name}
                         })
  end
  device_name
end

#read_config_file ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 67

def read_config_file
  begin
    config_file = File.open(config_file_name)
    file_content = config_file.read
    config = JSON.parse(file_content)
    logger.debug "Have read config file #{config_file_name} and found content #{config.to_s}"
  rescue Exception => e
    raise JNoGaddyGaddyConfigFile.new({:message => e.message})
  end
  config.symbolize_keys!
end

#save ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 91

def save
  unless valid_config?
    raise JCouldNotSaveConfigFileException.new({:message => "Missing configuration information, could not save config file for #{config.inspect}"})
  end
  begin
    config_file = File.open(config_file_name,"w")
    config_file.write config.to_json.to_s
  rescue Exception => e
    raise JCouldNotSaveConfigFileException.new({:message => e.message})
  end
end

#token ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 48

def token
  config[:token]
end

#user_email ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 52

def user_email
  get_config_for(:user_email,"user","user")
end

#user_id_salt ⇒ Object 



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# File 'lib/gg_config/gg_config.rb', line 56

def user_id_salt
  get_config_for(:user_id_salt,"user","user_id_salt")
end

#valid_config? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gg_config/gg_config.rb', line 158

def valid_config?
  config[:user_id_salt] && config[:token] && config[:device_name]
end

#valid_host_name?(host_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gg_config/gg_config.rb', line 87

def valid_host_name?(host_name)
  host_name.size <= 63 and not (host_name.rindex('-', 0) or host_name.index('-', -1) or host_name.scan(/[^a-z\d-]/i).any?)
end