Fix an undefined variable on older Ubuntu versions

site-cookbooks/kosmos-mastodon/recipes/default.rb

@@ -23,6 +23,8 @@ unless platform?('ubuntu') && node[:platform_version].to_f < 18.04
     owner 'mastodon'
     action :create
   end
+else
+  postgresql_data_bag_item = {}
 end
 
 mastodon_path = node["kosmos-mastodon"]["directory"]
@@ -88,6 +90,8 @@ template "/lib/systemd/system/mastodon-streaming.service" do
   notifies :restart, "service[mastodon-streaming]", :delayed
 end
 
+user = "mastodon"
+
 application mastodon_path do
   owner "mastodon"
   group "mastodon"
@@ -100,8 +104,8 @@ application mastodon_path do
   end
 
   git do
-    user "mastodon"
-    group "mastodon"
+    user user
+    group user
     repository "https://gitea.kosmos.org/kosmos/mastodon.git"
     revision   "production"
   end
@@ -111,8 +115,8 @@ application mastodon_path do
   template ".env.production" do
     source "env.production.erb"
     mode  "0640"
-    owner "mastodon"
-    group "mastodon"
+    owner user
+    group user
     variables redis_url: node["kosmos-mastodon"]["redis_url"],
               domain: node["kosmos-mastodon"]["server_name"],
               paperclip_secret: mastodon_credentials['paperclip_secret'],
@@ -132,14 +136,14 @@ application mastodon_path do
 
   execute do
     environment "HOME" => mastodon_path
-    user "mastodon"
+    user user
     cwd mastodon_path
     command "/opt/ruby_build/builds/#{ruby_version}/bin/bundle install --without development,test --deployment"
   end
 
   execute do
     environment "HOME" => mastodon_path
-    user "mastodon"
+    user user
     cwd mastodon_path
     command "yarn install --pure-lockfile"
   end
@@ -152,8 +156,8 @@ application mastodon_path do
 
   execute 'rake db:migrate' do
     environment "RAILS_ENV" => "production", "HOME" => mastodon_path
-    user "mastodon"
-    group "mastodon"
+    user user
+    group user
     cwd mastodon_path
     command "PATH=\"/opt/ruby_build/builds/#{ruby_version}/bin:$PATH\" bundle exec rake db:migrate"
   end
@@ -163,8 +167,8 @@ application mastodon_path do
   # it cannot find the bundled gems
   execute 'rake assets:precompile' do
     environment "RAILS_ENV" => "production", "HOME" => mastodon_path
-    user "mastodon"
-    group "mastodon"
+    user user
+    group user
     cwd mastodon_path
     command "PATH=\"/opt/ruby_build/builds/#{ruby_version}/bin:$PATH\" bundle exec rake assets:precompile"
   end