From e261b6f728d5bfceb9a98d5e35b29915afd49035 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Thu, 14 Jul 2022 11:38:22 +0000
Subject: [PATCH] Get docker working in the test-kitchen environment

---
 cookbooks/docker/recipes/default.rb                |  8 +++++++-
 cookbooks/docker/templates/default/daemon.json.erb |  2 +-
 test/integration/docker/serverspec/docker_spec.rb  | 13 +++++++++++++
 3 files changed, 21 insertions(+), 2 deletions(-)
 create mode 100644 test/integration/docker/serverspec/docker_spec.rb

diff --git a/cookbooks/docker/recipes/default.rb b/cookbooks/docker/recipes/default.rb
index 80fd15b3f..bfdc88a09 100644
--- a/cookbooks/docker/recipes/default.rb
+++ b/cookbooks/docker/recipes/default.rb
@@ -31,15 +31,21 @@ directory "/etc/docker" do
   mode "755"
 end
 
+storage_driver = if kitchen?
+                   "vfs"
+                 else
+                   "overlay2"
+                 end
+
 template "/etc/docker/daemon.json" do
   source "daemon.json.erb"
   owner "root"
   group "root"
   mode "644"
+  variables :storage_driver => storage_driver
 end
 
 service "docker" do
   action [:enable, :start]
   subscribes :restart, "template[/etc/docker/daemon.json]"
-  not_if { kitchen? }
 end
diff --git a/cookbooks/docker/templates/default/daemon.json.erb b/cookbooks/docker/templates/default/daemon.json.erb
index 5d18abccd..15f9d2eb2 100644
--- a/cookbooks/docker/templates/default/daemon.json.erb
+++ b/cookbooks/docker/templates/default/daemon.json.erb
@@ -4,5 +4,5 @@
   "log-opts": {
     "max-size": "100m"
   },
-  "storage-driver": "overlay2"
+  "storage-driver": "<%= @storage_driver %>"
 }
diff --git a/test/integration/docker/serverspec/docker_spec.rb b/test/integration/docker/serverspec/docker_spec.rb
new file mode 100644
index 000000000..de7c426d2
--- /dev/null
+++ b/test/integration/docker/serverspec/docker_spec.rb
@@ -0,0 +1,13 @@
+require "serverspec"
+
+# Required by serverspec
+set :backend, :exec
+
+describe package("docker-ce") do
+  it { should be_installed }
+end
+
+describe service("docker") do
+  it { should be_enabled }
+  it { should be_running }
+end
-- 
2.39.5