Switch back to the upstream nginx cookbook

chef_nginx is deprecated

cookbooks/nginx/resources/cleanup_runit.rb

@@ -0,0 +1,36 @@
+#
+# Copyright:: 20017-2018, Chef Software, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+action :cleanup do
+  # remove old init script link
+  file 'remove symlinked runit init script' do
+    path '/etc/init.d/nginx'
+    manage_symlink_source false # nuke the link not the runit binary
+    action :delete
+    only_if { ::File.exist?('/etc/init.d/nginx') && ::File.symlink?('/etc/init.d/nginx') && ::File.realpath('/etc/init.d/nginx') == '/usr/bin/sv' }
+  end
+
+  execute 'kill old nginx process' do
+    command 'pkill nginx'
+    returns [0, 1] # ignores failures
+    not_if { !::File.exist?('/etc/sv/nginx/supervise/pid') || ::File.zero?('/etc/sv/nginx/supervise/pid') }
+  end
+
+  # remove the old service configs
+  directory '/etc/sv/nginx' do
+    recursive true
+    action :delete
+  end
+end