Add sentry

Gemfile

@@ -57,6 +57,10 @@ group :production do
   gem "figaro", "~> 1.2"
   gem "sidekiq", "~> 6.0"
   gem "whenever", require: false
+
+  gem "sentry-rails"
+  gem "sentry-ruby"
+  gem "sentry-sidekiq"
 end
 
 group :test do

Gemfile.lock

@@ -791,6 +791,14 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
     semantic_range (3.0.0)
+    sentry-rails (5.16.1)
+      railties (>= 5.0)
+      sentry-ruby (~> 5.16.1)
+    sentry-ruby (5.16.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+    sentry-sidekiq (5.16.1)
+      sentry-ruby (~> 5.16.1)
+      sidekiq (>= 3.0)
     seven_zip_ruby (1.3.0)
     sidekiq (6.5.9)
       connection_pool (>= 2.2.5, < 3)
@@ -927,6 +935,9 @@ DEPENDENCIES
   rubocop-faker
   rubocop-rails
   rubocop-rspec
+  sentry-rails
+  sentry-ruby
+  sentry-sidekiq
   sidekiq (~> 6.0)
   spring (~> 2.0)
   spring-watcher-listen (~> 2.0)

app/controllers/decidim_controller.rb

@@ -4,4 +4,12 @@
 # entry point, but you can change what controller it inherits from
 # so you can customize some methods.
 class DecidimController < ApplicationController
+  before_action :set_sentry_context
+
+  def set_sentry_context
+    return unless Rails.application.secrets.sentry_enabled?
+
+    Sentry.set_user({ id: try(:current_user).try(:id) }.merge(session))
+    Sentry.set_extras(params: params.to_unsafe_h, url: request.url)
+  end
 end

config/initializers/sentry.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+if Rails.application.secrets.sentry_enabled
+  Sentry.init do |config|
+    config.dsn = ENV.fetch("SENTRY_DSN")
+    config.breadcrumbs_logger = [:active_support_logger, :http_logger]
+
+    # Set traces_sample_rate to 1.0 to capture 100%
+    # of transactions for performance monitoring.
+    # We recommend adjusting this value in production.
+    config.traces_sample_rate = 1.0
+    # or
+    config.traces_sampler = lambda do |_context|
+      true
+    end
+  end
+end

config/secrets.yml

@@ -158,6 +158,7 @@ default: &default
 
 development:
   <<: *default
+  sentry_enabled: false
   secret_key_base: <%= ENV["SECRET_KEY_BASE"].presence || "417e4b74122188de90a9ec2551d2d2c52eb9d18f09684605b876d7772b3295b58f810c1de2b3131c0689d38454aac60c765cb4c1c1b9fa89fb9e028f460726f1" %>
   omniauth:
     developer:
@@ -189,6 +190,7 @@ test:
 # instead read values from the environment.
 production:
   <<: *default
+  sentry_enabled: true
   secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>
   smtp_username: <%= ENV["SMTP_USERNAME"] %>
   smtp_password: <%= ENV["SMTP_PASSWORD"] %>