From dc44b6450cecd33de97aa001c386fa1fa6cef75d Mon Sep 17 00:00:00 2001
From: Joe Atzberger <ohiocore@gmail.com>
Date: Mon, 1 Oct 2018 19:09:00 -0700
Subject: [PATCH 1/2] Add more OkComputer checks

Largely borrowed from PreservationCatalog
---
 config/initializers/okcomputer.rb | 39 +++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/config/initializers/okcomputer.rb b/config/initializers/okcomputer.rb
index 972ba07a..62e0c402 100644
--- a/config/initializers/okcomputer.rb
+++ b/config/initializers/okcomputer.rb
@@ -1,3 +1,42 @@
 # by default, okcomputer does "app up?" and "database conntected?" checks
 OkComputer.mount_at = 'status' # use /status or /status/all or /status/<name-of-check>
 OkComputer.check_in_parallel = true
+
+OkComputer::Registry.register 'ruby_version', OkComputer::RubyVersionCheck.new
+
+# check whether resque workers are working
+OkComputer::Registry.register 'feature-resque-down', OkComputer::ResqueDownCheck.new
+
+# check for backed up resque queues: this is a low volume app, so the threshold is low
+Resque.queues.each do |queue|
+  OkComputer::Registry.register "feature-#{queue}-queue-depth", OkComputer::ResqueBackedUpCheck.new(queue, 5)
+end
+
+class DirectoryExistsCheck < OkComputer::Check
+  attr_accessor :directory
+
+  def initialize(directory)
+    self.directory = directory
+  end
+
+  def check
+    stat = File.stat(directory) if File.exist?(directory)
+    if stat
+      if stat.directory?
+        mark_message "'#{directory}' is a reachable directory"
+      else
+        mark_message "'#{directory}' is not a directory."
+        mark_failure
+      end
+    else
+      mark_message "Directory '#{directory}' does not exist."
+      mark_failure
+    end
+  end
+end
+
+# Confirm job_output_parent_dir exists (or else jobs cannot output)
+OkComputer::Registry.register 'feature-job_output_parent_dir', DirectoryExistsCheck.new(Settings.job_output_parent_dir)
+
+# To make checks optional:
+# OkComputer.make_optional %w[feature-resque-down]

From b221d4dbd6c31fdad975cceeaf04ad7e58825993 Mon Sep 17 00:00:00 2001
From: Joe Atzberger <ohiocore@gmail.com>
Date: Mon, 1 Oct 2018 19:14:30 -0700
Subject: [PATCH 2/2] Give Travis redis

---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 1733ddf0..1b25e3eb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,3 +17,6 @@ cache: bundler
 
 rvm:
   - 2.4.4
+
+services:
+  - redis-server