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easy-going-rails
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semantic subscribers

main
pvincent 2 months ago
parent
da6d4c1376
commit
656d4526c3
4 changed files with 159 additions and 141 deletions
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  1. 27
      lib/semantic/dev_loader.rb
  2. 124
      lib/semantic/log_subscriber.rb
  3. 130
      lib/semantic/subscribers/action_controller.rb
  4. 19
      lib/semantic/subscribers/action_view.rb

27
lib/semantic/dev_loader.rb
View File

@ -4,16 +4,14 @@ module Semantic
def initialize(session_key)
@session_key = session_key
force_preload_module
RailsSemanticLogger::ActionController::LogSubscriber.logger.level = :fatal # useful for remanent Rack::Log started
once_and_reload do
NotificationUtil.clear_subscribers(/\.action_controller$/)
NotificationUtil.clear_subscribers(/\.action_view$/)
Semantic::NotificationUtil.clear_subscribers(/\.action_controller$/)
Semantic::NotificationUtil.clear_subscribers(/\.action_view$/)
append_ansi_formatter
reset_subscribers
register_log_subscriber
register_action_controller
end
end
@ -24,10 +22,6 @@ module Semantic
Rails.autoloaders.main.on_load('ApplicationController', &)
end
def force_preload_module
self.class.module_parent.constants.each { |const| self.class.module_parent.const_get(const) }
end
def append_ansi_formatter
SemanticLogger.clear_appenders!
formatter = Semantic::AnsiFormatter.new
@ -36,17 +30,18 @@ module Semantic
filter: ->(log) { !formatter.reject(log) })
end
def register_log_subscriber
register_to_action_controller(:start_processing)
register_to_action_controller(:process_action, :finish_processing)
register_to_action_controller(:redirect_to)
def register_action_controller
@log_subscriber = Semantic::Subscribers::ActionController.new(@session_key)
register_action_controller_hook(:start_processing)
register_action_controller_hook(:process_action, :finish_processing)
register_action_controller_hook(:redirect_to)
%i[send_file send_data halted_callback unpermitted_parameters send_stream write_fragment
read_fragment expire_fragment exist_fragment?].each do |hook|
register_to_action_controller(hook, :any_hook)
register_action_controller_hook(hook, :any_hook)
end
end
def register_to_action_controller(hook, method = hook)
def register_action_controller_hook(hook, method = hook)
@subscribers << ActiveSupport::Notifications.subscribe("#{hook}.action_controller") do |event|
@log_subscriber.send(method, event)
end
@ -59,8 +54,6 @@ module Semantic
else
@subscribers = []
end
@log_subscriber = Semantic::LogSubscriber.new(@session_key)
end
end
end

124
lib/semantic/log_subscriber.rb
View File

@ -1,124 +0,0 @@
module Semantic
class LogSubscriber < ActiveSupport::LogSubscriber
include SemanticLogger::Loggable
include AnsiColors
def logger = SemanticLogger['Rails']
INTERNAL_PARAMS = %i[controller action format _method only_path].freeze
DEFAULT_DEV_HOSTS = ['127.0.0.1', 'localhost'].freeze
TERMINUS_STRING = '╙─╜'.freeze
def initialize(session_key)
@session_key = session_key
@transactions = {}
super()
end
def start_processing(event)
session_value = session_value(event)
@transactions[event.transaction_id] = session_value # preserve session_value to help finish_processing
SemanticLogger.tagged(session_value) do
request = event.payload[:request]
path = colorize(request.filtered_path, BOLD)
dimensions = Semantic::AnsiDimensions.new(rails: '╓─╖', before: 1)
if defined?(@previously_redirect) && @previously_redirect
dimensions = Semantic::AnsiDimensions.new(rails: '╓║╖', before: 0)
@previously_redirect = false
end
logger.info("Started #{request.raw_request_method} #{path}", dimensions:)
format = event.payload[:format]
format = format.to_s.upcase if format.is_a?(Symbol)
format = '*/*' if format.nil?
format = colorize(format, BOLD)
logger.debug("Processing by #{event.payload[:controller]}##{event.payload[:action]} as #{format}")
params = event.payload[:params].deep_symbolize_keys.except(*INTERNAL_PARAMS)
unless params.empty?
params = params.ai(ruby19_syntax: true, plain: true, multiline: false)
params.gsub!(/(\w+):/, "#{TEXT_CYAN}\\1#{CLEAR}:")
params.gsub!(/"(.*?)"/, "\"#{TEXT_YELLOW}\\1#{CLEAR}\"")
end
logger.debug("Parameters: #{params}") unless params.empty?
end
end
def finish_processing(event)
session_value = @transactions.delete(event.transaction_id) # delete previous session_value from start_processing
SemanticLogger.tagged(session_value) do
payload = event.payload
additions = ActionController::Base.log_process_action(payload)
status = payload[:status]
if status.nil? && (exception_class_name = payload[:exception]&.first)
status = ActionDispatch::ExceptionWrapper.status_code_for_exception(exception_class_name)
end
additions << "GC: #{event.gc_time.round(1)}ms"
if event.duration >= 1200
logger.error process_duration(event, additions)
elsif event.duration >= 600
logger.warn process_duration(event, additions)
elsif event.duration >= 300
logger.info process_duration(event, additions)
elsif event.duration >= 100
logger.debug process_duration(event, additions)
end
status_family = status / 100
dimensions = case status_family
when 2
Semantic::AnsiDimensions.new(rails: TERMINUS_STRING)
when 3
Semantic::AnsiDimensions.new(rails: '╙║╜')
when 4
Semantic::AnsiDimensions.new(rails: '╙╨╜')
when 5
Semantic::AnsiDimensions.new(rails: '╙║╜')
end
logger.info("Completed #{colorize(status, BOLD)} #{Rack::Utils::HTTP_STATUS_CODES[status]}", dimensions:)
logger.info(' ', dimensions: Semantic::AnsiDimensions.new(rails: ' ║ ')) if status_family == 3
logger.info(' ', dimensions: Semantic::AnsiDimensions.new(rails: '╓║╖')) if status_family == 5
end
end
def redirect_to(event)
SemanticLogger.tagged(@transactions[event.transaction_id]) do
location = capture_path(event.payload[:location])
logger.debug("Redirected to #{colorize(location, BOLD)}")
end
@previously_redirect = true
end
def any_hook(event)
SemanticLogger.tagged(@transactions[event.transaction_id]) do
logger.warn("action_controller hook=<#{event.name.split('.')[0]}> needs a proper message handling!",
event.payload.keys)
end
end
private
def redirect_regex
return @redirect_regex if defined?(@redirect_regex)
options = Rails.application.routes.default_url_options
dev_hosts = DEFAULT_DEV_HOSTS + Array.wrap(options[:host])
dev_hosts_or = dev_hosts.uniq.join('|')
dev_from = "http://(?:#{dev_hosts_or}):#{options[:port]}(.*)"
@redirect_regex = /^#{dev_from}/
end
def capture_path(url)
m = redirect_regex.match(url)
m.nil? ? url : m[1]
end
def session_value(event) = event.payload[:headers]['rack.session'].fetch(@session_key, nil)
def process_duration(event, additions) = "Processed in #{event.duration.round}ms (#{additions.join(' | ')})"
end
end

130
lib/semantic/subscribers/action_controller.rb
View File

@ -0,0 +1,130 @@
module Semantic
module Subscribers
class ActionController < ActiveSupport::LogSubscriber
include AnsiColors
INTERNAL_PARAMS = %i[controller action format _method only_path].freeze
DEFAULT_DEV_HOSTS = ['127.0.0.1', 'localhost'].freeze
TERMINUS_STRING = '╙─╜'.freeze
attr_reader :logger
def initialize(session_key)
@session_key = session_key
@transactions = {}
short_name = self.class.to_s.split('::').last
@logger = SemanticLogger[short_name]
super()
end
def start_processing(event)
session_value = session_value(event)
@transactions[event.transaction_id] = session_value # preserve session_value to help finish_processing
SemanticLogger.tagged(session_value) do
request = event.payload[:request]
path = colorize(request.filtered_path, BOLD)
dimensions = Semantic::AnsiDimensions.new(rails: '╓─╖', before: 1)
if defined?(@previously_redirect) && @previously_redirect
dimensions = Semantic::AnsiDimensions.new(rails: '╓║╖', before: 0)
@previously_redirect = false
end
logger.info("Started #{request.raw_request_method} #{path}", dimensions:)
format = event.payload[:format]
format = format.to_s.upcase if format.is_a?(Symbol)
format = '*/*' if format.nil?
format = colorize(format, BOLD)
logger.debug("Processing by #{event.payload[:controller]}##{event.payload[:action]} as #{format}")
params = event.payload[:params].deep_symbolize_keys.except(*INTERNAL_PARAMS)
unless params.empty?
params = params.ai(ruby19_syntax: true, plain: true, multiline: false)
params.gsub!(/(\w+):/, "#{TEXT_CYAN}\\1#{CLEAR}:")
params.gsub!(/"(.*?)"/, "\"#{TEXT_YELLOW}\\1#{CLEAR}\"")
end
logger.debug("Parameters: #{params}") unless params.empty?
end
end
def finish_processing(event)
session_value = @transactions.delete(event.transaction_id) # delete previous session_value from start_processing
SemanticLogger.tagged(session_value) do
payload = event.payload
additions = ::ActionController::Base.log_process_action(payload)
status = payload[:status]
if status.nil? && (exception_class_name = payload[:exception]&.first)
status = ::ActionDispatch::ExceptionWrapper.status_code_for_exception(exception_class_name)
end
additions << "GC: #{event.gc_time.round(1)}ms"
if event.duration >= 1200
logger.error process_duration(event, additions)
elsif event.duration >= 600
logger.warn process_duration(event, additions)
elsif event.duration >= 300
logger.info process_duration(event, additions)
elsif event.duration >= 100
logger.debug process_duration(event, additions)
end
status_family = status / 100
dimensions = case status_family
when 2
Semantic::AnsiDimensions.new(rails: TERMINUS_STRING)
when 3
Semantic::AnsiDimensions.new(rails: '╙║╜')
when 4
Semantic::AnsiDimensions.new(rails: '╙╨╜')
when 5
Semantic::AnsiDimensions.new(rails: '╙║╜')
end
logger.info("Completed #{colorize(status, BOLD)} #{Rack::Utils::HTTP_STATUS_CODES[status]}", dimensions:)
logger.info(' ', dimensions: Semantic::AnsiDimensions.new(rails: ' ║ ')) if status_family == 3
logger.info(' ', dimensions: Semantic::AnsiDimensions.new(rails: '╓║╖')) if status_family == 5
end
end
def redirect_to(event)
SemanticLogger.tagged(@transactions[event.transaction_id]) do
location = capture_path(event.payload[:location])
logger.debug("Redirected to #{colorize(location, BOLD)}")
end
@previously_redirect = true
end
def any_hook(event)
SemanticLogger.tagged(@transactions[event.transaction_id]) do
logger.warn("action_controller hook=<#{event.name.split('.')[0]}> needs a proper message handling!",
event.payload.keys)
end
end
private
def redirect_regex
return @redirect_regex if defined?(@redirect_regex)
options = Rails.application.routes.default_url_options
dev_hosts = DEFAULT_DEV_HOSTS + Array.wrap(options[:host])
dev_hosts_or = dev_hosts.uniq.join('|')
dev_from = "http://(?:#{dev_hosts_or}):#{options[:port]}(.*)"
@redirect_regex = /^#{dev_from}/
end
def capture_path(url)
m = redirect_regex.match(url)
m.nil? ? url : m[1]
end
def session_value(event) = event.payload[:headers]['rack.session'].fetch(@session_key, nil)
def process_duration(event, additions) = "Processed in #{event.duration.round}ms (#{additions.join(' | ')})"
end
end
end

19
lib/semantic/subscribers/action_view.rb
View File

@ -0,0 +1,19 @@
module Semantic
module Subscribers
class ActionView < ActiveSupport::LogSubscriber
include AnsiColors
attr_reader :logger
def initialize
short_name = self.class.to_s.split('::').last
@logger = SemanticLogger[short_name]
super
end
def render_partial(event)
logger.info('Rendered partial', event)
end
end
end
end
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