From d4a2f24c885ce9aa6d44fd75682f51fc4e7d8452 Mon Sep 17 00:00:00 2001
From: Molly Struve <mollylbs@gmail.com>
Date: Mon, 24 Aug 2020 08:23:11 -0500
Subject: [PATCH] [deploy] Refactor:Move Cache Busting Rake Tasks to Sidekiq
 (#9931)

---
 app/workers/bust_cache_path_worker.rb       |  5 +++++
 config/schedule.yml                         | 15 +++++++++++++++
 lib/tasks/cache.rake                        |  9 ---------
 spec/workers/bust_cache_path_worker_spec.rb | 15 +++++++++++++++
 4 files changed, 35 insertions(+), 9 deletions(-)
 create mode 100644 app/workers/bust_cache_path_worker.rb
 delete mode 100644 lib/tasks/cache.rake
 create mode 100644 spec/workers/bust_cache_path_worker_spec.rb

diff --git a/app/workers/bust_cache_path_worker.rb b/app/workers/bust_cache_path_worker.rb
new file mode 100644
index 000000000..2e1b5270f
--- /dev/null
+++ b/app/workers/bust_cache_path_worker.rb
@@ -0,0 +1,5 @@
+class BustCachePathWorker < BustCacheBaseWorker
+  def perform(path)
+    CacheBuster.bust(path)
+  end
+end
diff --git a/config/schedule.yml b/config/schedule.yml
index 2c5628616..d8f622fbd 100644
--- a/config/schedule.yml
+++ b/config/schedule.yml
@@ -74,6 +74,21 @@ expire_old_listings:
 send_welcome_notifications:
   cron: "0 16 * * *" # daily at 4 pm UTC
   class: "Broadcasts::SendWelcomeNotificationsWorker"
+hourly_feed_cache_bust:
+  cron: "0 * * * *" # hourly on the hour
+  class: "BustCachePathWorker"
+  args:
+    - "/feed.xml"
+hourly_badge_cache_bust:
+  cron: "0 * * * *" # hourly on the hour
+  class: "BustCachePathWorker"
+  args:
+    - "/badge"
+daily_home_cache_bust:
+  cron: "0 0 * * *" # daily at 12 am UTC
+  class: "BustCachePathWorker"
+  args:
+    - "/"
 send_email_digest:
   cron: "30 11 * * 3,4,5,6" # 11:30 am UTC Wed, Thurs, Fri, Sat, Sun
   class: "SendEmailDigestWorker"
diff --git a/lib/tasks/cache.rake b/lib/tasks/cache.rake
deleted file mode 100644
index 5f358b135..000000000
--- a/lib/tasks/cache.rake
+++ /dev/null
@@ -1,9 +0,0 @@
-task periodic_cache_bust: :environment do
-  CacheBuster.bust("/feed.xml")
-  CacheBuster.bust("/badge")
-  CacheBuster.bust("/shecoded")
-end
-
-task hourly_bust: :environment do
-  CacheBuster.bust("/")
-end
diff --git a/spec/workers/bust_cache_path_worker_spec.rb b/spec/workers/bust_cache_path_worker_spec.rb
new file mode 100644
index 000000000..482bd16a8
--- /dev/null
+++ b/spec/workers/bust_cache_path_worker_spec.rb
@@ -0,0 +1,15 @@
+require "rails_helper"
+
+RSpec.describe BustCachePathWorker, type: :worker do
+  let(:worker) { subject }
+
+  include_examples "#enqueues_on_correct_queue", "high_priority"
+
+  describe "#perform" do
+    it "busts cache for given path" do
+      allow(CacheBuster).to receive(:bust)
+      worker.perform("/foo")
+      expect(CacheBuster).to have_received(:bust).with("/foo")
+    end
+  end
+end