Merge branch 'sentry-integration' into 'master'

Add sentry integration

Sentry is an event logging platform primarily focused on capturing and
aggregating exceptions. With this MR it will be possible to log and
track exceptions from GitLab to Sentry.

https://gitlab.com/gitlab-com/operations/issues/39

See merge request !2485

4 files changed, 39 insertions, 1 deletions

diff --git a/app/controllers/admin/application_settings_controller.rb b/app/controllers/admin/application_settings_controller.rb
index 91f7d78bd73..9943745208e 100644
--- a/app/controllers/admin/application_settings_controller.rb
+++ b/app/controllers/admin/application_settings_controller.rb
@@ -77,6 +77,8 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
       :recaptcha_enabled,
       :recaptcha_site_key,
       :recaptcha_private_key,
+      :sentry_enabled,
+      :sentry_dsn,
       restricted_visibility_levels: [],
       import_sources: []
     )
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index bf99b2e777d..633c3f55614 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -15,6 +15,7 @@ class ApplicationController < ActionController::Base
   before_action :check_password_expiration
   before_action :check_2fa_requirement
   before_action :ldap_security_check
+  before_action :sentry_user_context
   before_action :default_headers
   before_action :add_gon_variables
   before_action :configure_permitted_parameters, if: :devise_controller?
@@ -41,6 +42,16 @@ class ApplicationController < ActionController::Base
 
   protected
 
+  def sentry_user_context
+    if Rails.env.production? && current_application_settings.sentry_enabled && current_user
+      Raven.user_context(
+        id: current_user.id,
+        email: current_user.email,
+        username: current_user.username,
+      )
+    end
+  end
+
   # From https://github.com/plataformatec/devise/wiki/How-To:-Simple-Token-Authentication-Example
   # https://gist.github.com/josevalim/fb706b1e933ef01e4fb6
   def authenticate_user_from_token!
diff --git a/app/models/application_setting.rb b/app/models/application_setting.rb
index 6c6c2468374..59563b8823c 100644
--- a/app/models/application_setting.rb
+++ b/app/models/application_setting.rb
@@ -41,6 +41,8 @@
 #  recaptcha_site_key                :string
 #  recaptcha_private_key             :string
 #  metrics_port                      :integer          default(8089)
+#  sentry_enabled                    :boolean          default(FALSE)
+#  sentry_dsn                        :string
 #
 
 class ApplicationSetting < ActiveRecord::Base
@@ -82,6 +84,10 @@ class ApplicationSetting < ActiveRecord::Base
             presence: true,
             if: :recaptcha_enabled
 
+  validates :sentry_dsn,
+            presence: true,
+            if: :sentry_enabled
+
   validates_each :restricted_visibility_levels do |record, attr, value|
     unless value.nil?
       value.each do |level|
diff --git a/app/views/admin/application_settings/_form.html.haml b/app/views/admin/application_settings/_form.html.haml
index 83f6814d822..35e4dd761ab 100644
--- a/app/views/admin/application_settings/_form.html.haml
+++ b/app/views/admin/application_settings/_form.html.haml
@@ -226,11 +226,30 @@
         = f.text_field :recaptcha_site_key, class: 'form-control'
         .help-block
           Generate site and private keys here:
-          %a{ href: 'http://www.google.com/recaptcha', target: 'blank'} http://www.google.com/recaptcha
+          %a{ href: 'http://www.google.com/recaptcha', target: '_blank'} http://www.google.com/recaptcha
     .form-group
       = f.label :recaptcha_private_key, 'reCAPTCHA Private Key', class: 'control-label col-sm-2'
       .col-sm-10
         = f.text_field :recaptcha_private_key, class: 'form-control'
 
+  %fieldset
+    %legend Error Reporting and Logging
+    %p
+      These settings require a restart to take effect.
+    .form-group
+      .col-sm-offset-2.col-sm-10
+        .checkbox
+          = f.label :sentry_enabled do
+            = f.check_box :sentry_enabled
+            Enable Sentry
+          .help-block
+            Sentry is an error reporting and logging tool which is currently not shipped with GitLab, get it here:
+            %a{ href: 'https://getsentry.com', target: '_blank' } https://getsentry.com
+
+    .form-group
+      = f.label :sentry_dsn, 'Sentry DSN', class: 'control-label col-sm-2'
+      .col-sm-10
+        = f.text_field :sentry_dsn, class: 'form-control'
+
   .form-actions
     = f.submit 'Save', class: 'btn btn-primary'