Module: Clickhouse::Rails::Config

Defined in:
lib/clickhouse/rails/config.rb

Defined Under Namespace

Classes: ConfigurationNotFound

Constant Summary collapse

CLICKHOUSE_ROOT = 
File.expand_path(::Rails.root.present? ? ::Rails.root : '.')
DEFAULT_CONFIG_PATH = 
File.join(CLICKHOUSE_ROOT, 'config', 'clickhouse.yml')

Class Method Summary collapse

Class Method Details

.config_mapper(source) ⇒ Object 



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# File 'lib/clickhouse/rails/config.rb', line 24

def self.config_mapper(source)
  return nil if source.nil?

  {
    urls: source['hosts']&.split(','),
    username: source['username'],
    password: source['password']
  }
end

.init(config_path = nil) ⇒ Object 



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# File 'lib/clickhouse/rails/config.rb', line 11

def self.init(config_path = nil)
  config_path ||= DEFAULT_CONFIG_PATH
  exists = config_path && File.exist?(config_path)
  unless exists
    raise ConfigurationNotFound, "could not find the \"#{config_path}\" configuration file"
  end

  content = File.read(config_path)
  data = defined?(ERB) ? ERB.new(content).result : content
  source = YAML.safe_load(data)[defined?(::Rails) ? ::Rails.env : ENV['CLICKHOUSE_ENV']]
  config_mapper(source)
end