Merge pull request #97 from emberobserver/add-build-queue-warning-mailer

Add a mailer to email a warning if the build queue isn't empty

app/mailers/build_queue_mailer.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class BuildQueueMailer < ApplicationMailer
+  def queue_not_empty
+    @queue_size = PendingBuild.count
+    mail to: '[email protected]',
+         from: 'Ember Observer <[email protected]>',
+         reply_to: '[email protected]',
+         subject: 'Ember Observer build queue not empty'
+  end
+end

app/views/build_queue_mailer/queue_not_empty.erb

@@ -0,0 +1,2 @@
+WARNING: The pending build queue is not empty.
+There are currently <%= @queue_size %> queued builds.

config/schedule.rb

@@ -44,6 +44,7 @@
 end
 
 every 1.day, at: '0400' do
+  rake "tests:verify_queue"
   rake "tests:queue_canary_tests"
   rake "tests:queue_tests"
 end

lib/tasks/tests.rake

@@ -16,4 +16,10 @@ namespace :tests do
          .select { |version| version.test_results.where(canary: false).count == 0 }
          .each { |version| PendingBuild.create!(addon_version: version) }
   end
+
+  task verify_queue: :environment do
+    if PendingBuild.count > 0
+      BuildQueueMailer.queue_not_empty.deliver_now
+    end
+  end
 end