fix(configure): Don't create pids symlink if it already exists

Resolves #126

README.md

@@ -19,23 +19,6 @@ guide in [documentation](http://opsworks-ruby.readthedocs.io/en/latest/index.htm
 You can either install eveyrthing locally using [rvm](https://rvm.io/) and [pip](https://pypi.python.org/pypi/pip)
 or use the Docker container which includes all necessary dependencies inside it.
 
-### Unit Testing and Linting
-
-```
-docker-compose run -e SKIP="AuthorName AuthorEmail" cookbook \
-bash -c "overcommit --sign && overcommit -r && rspec"
-```
-
-### Integration Testing
-
-To run integration tests you need [Chef Development Kit](https://downloads.chef.io/chefdk).
-After installing it, invoke:
-
-```
-chef exec bundle install -j 4 --path vendor
-sudo chef exec bundle exec rake integration:docker
-```
-
 ### Build documentation
 
 ```

TESTING.md

@@ -0,0 +1,18 @@
+# Testing
+
+## Unit Testing and Linting
+
+```
+docker-compose run -e SKIP="AuthorName AuthorEmail" cookbook \
+bash -c "overcommit --sign && overcommit -r && rspec"
+```
+
+## Integration Testing
+
+To run integration tests you need [Chef Development Kit](https://downloads.chef.io/chefdk).
+After installing it, invoke:
+
+```
+chef exec bundle install -j 4 --path vendor
+sudo chef exec bundle exec rake integration:docker
+```

recipes/configure.rb

@@ -15,8 +15,11 @@
   create_deploy_dir(application, File.join('shared', 'sockets'))
   create_deploy_dir(application, File.join('shared', 'vendor/bundle'))
   create_dir("/run/lock/#{application['shortname']}")
-  link File.join(deploy_dir(application), 'shared', 'pids') do
+
+  pids_link_path = File.join(deploy_dir(application), 'shared', 'pids')
+  link pids_link_path do
     to "/run/lock/#{application['shortname']}"
+    not_if { ::File.exist?(pids_link_path) }
   end
 
   databases = []