Contents

require 'socket'

class Logasm
  module Utils
    HOST = ::Socket.gethostname
    DECIMAL_FRACTION_OF_SECOND = 3

    # Build logstash json compatible event
    #
    # @param [Hash] metadata
    # @param [#to_s] level
    # @param [String] service_name
    #
    # @return [Hash]
    def self.build_event(metadata, level, service_name)
      overwritable_params
        .merge(metadata)
        .merge(
          application: application_name(service_name),
          level: level.to_s.downcase
        )
    end

    # Return application name
    #
    # Returns lower snake case application name. This allows the
    # application value to be used in the elasticsearch index name.
    #
    # @param [String] service_name
    #
    # @return [String]
    def self.application_name(service_name)
      Inflecto.underscore(service_name)
    end

    def self.overwritable_params
      {
        :@timestamp => Time.now.utc.iso8601(DECIMAL_FRACTION_OF_SECOND),
        host: HOST
      }
    end
    private_class_method :overwritable_params
  end
end

Version data entries

8 entries across 8 versions & 1 rubygems

Version	Path
logasm-0.7.0	lib/logasm/utils.rb
logasm-0.5.2	lib/logasm/utils.rb
logasm-0.5.0	lib/logasm/utils.rb
logasm-0.4.1	lib/logasm/utils.rb
logasm-0.4.0	lib/logasm/utils.rb
logasm-0.3.0	lib/logasm/utils.rb
logasm-0.2.6	lib/logasm/utils.rb
logasm-0.2.5	lib/logasm/utils.rb