Class: RuntimeConfig::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/runtime_config/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Middleware

Returns a new instance of Middleware.



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/runtime_config/middleware.rb', line 7

def initialize(app, options = {})
  @app = app
  @params = {
    assets_logs: ConfParam.new(:assets_logs, Rails.configuration.assets, :quiet),
    catch_errors: ConfParam.new(:catch_errors, Rails.configuration, :consider_all_requests_local),
    filter_logs: ConfParam.new(:filter_logs, nil, :filter_logs, ->(value) {
      regexp = Regexp.new value, Regexp::IGNORECASE
      Rails.logger = ActiveSupport::Logger.new STDOUT
      Rails.logger.formatter = proc do |_severity, _time, _progname, msg|
        "#{msg}\n" if msg =~ regexp
      end
    }),
    verbose_query_logs: ConfParam.new(:verbose_query_logs, Rails.configuration.active_record, :verbose_query_logs),
  }
  @options = (options || {}).symbolize_keys
  @options[:path] ||= '/dev'

  Rails.configuration.after_initialize do
    params_load.each do |k, v|
      @params[k.to_sym].set v
    end
    params_reset
  end
end

Instance Method Details

#call(env) ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
 
# File 'lib/runtime_config/middleware.rb', line 32

def call(env)
  req = Rack::Request.new(env)
  return @app.call(env) unless req.path == @options[:path]

  restart = false
  @actions = []
  if LOGGER_SEVERITY.include?((req.params['log'] || '').downcase)
    level = "Logger::#{req.params['log'].upcase}"
    Rails.logger.level = level.constantize
    @actions.push "Logger level set to: #{level}"
  end
  if req.params.include? 'cache'
    Rails.application.load_tasks
    Rake::Task['dev:cache'].invoke
    @actions.push 'Invoked dev:cache'
  end
  if req.params.include? 'catch_errors'
    params_save(@params[:catch_errors], req.params['catch_errors'] == '1')
    @actions.push "catch_errors: #{req.params['catch_errors'] == '1'}"
    restart = true
  end
  if req.params.include? 'cache_clear'
    Rails.cache.clear
    @actions.push "cache_clear: #{req.params['cache_clear'] == '1'}"
    restart = true
  end
  if req.params.include? 'filter_logs'
    params_save(@params[:filter_logs], req.params['filter_logs'].strip)
    @actions.push "filter logs: #{req.params['filter_logs'].strip}"
    restart = true
  end
  if req.params.include? 'verbose_query_logs'
    params_save(@params[:verbose_query_logs], req.params['verbose_query_logs'] == '1')
    @actions.push "verbose_query_logs: #{req.params['verbose_query_logs'] == '1'}"
    restart = true
  end
  restart = true if req.params.include? 'restart'
  if restart
    restart_server
    @actions.push 'Restarting server'
  end

  [
    200,
    { 'Content-Type' => 'text/html' },
    [ERB.new(
      File.read(
        File.join(File.dirname(__FILE__), 'conf.html.erb')
      )
    ).result(binding)]
  ]
end