```ruby
#
# Cookbook Name:: mariadb
# Recipe:: ruby
#
# Author:: Jesse Howarth (<him@jessehowarth.com>)
# Author:: Jamie Winsor (<jamie@vialstudios.com>)
#
# Copyright 2008-2013, Opscode, 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.
#

node.set['build_essential']['compiletime'] = true
include_recipe 'build-essential::default'
include_recipe 'mariadb::client'

node['mariadb']['client']['packages'].each do |name|
  resources("package[#{name}]").run_action(:install)
end

chef_gem 'mysql2'
```

Add the mysql gem for the database cookbook
user
```ruby
#
# Cookbook Name:: mariadb
# Recipe:: ruby
#
# Author:: Jesse Howarth (<him@jessehowarth.com>)
# Author:: Jamie Winsor (<jamie@vialstudios.com>)
#
# Copyright 2008-2013, Opscode, 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.
#

node.set['build_essential']['compiletime'] = true
include_recipe 'build-essential::default'
include_recipe 'mariadb::client'

node['mariadb']['client']['packages'].each do |name|
  resources("package[#{name}]").run_action(:install)
end

chef_gem 'mysql2'

# The database cookbook needs the mysql gem
chef_gem 'mysql'
```
assistant