Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/mysql/libraries/mysql_service_manager_systemd.rb

@@ -0,0 +1,142 @@
+module MysqlCookbook
+  class MysqlServiceManagerSystemd < MysqlServiceBase
+    resource_name :mysql_service_manager_systemd
+
+    provides :mysql_service_manager, os: 'linux' do |_node|
+      Chef::Platform::ServiceHelpers.service_resource_providers.include?(:systemd)
+    end
+
+    action :create do
+      # from base
+      create_system_user
+      stop_system_service
+      create_config
+      configure_apparmor
+      initialize_database
+    end
+
+    action :start do
+      # Needed for Debian / Ubuntu
+      directory '/usr/libexec' do
+        owner 'root'
+        group 'root'
+        mode '0755'
+        action :create
+      end
+
+      # this script is called by the main systemd unit file, and
+      # spins around until the service is actually up and running.
+      template "/usr/libexec/#{mysql_name}-wait-ready" do
+        path "/usr/libexec/#{mysql_name}-wait-ready"
+        source 'systemd/mysqld-wait-ready.erb'
+        owner 'root'
+        group 'root'
+        mode '0755'
+        variables(socket_file: socket_file)
+        cookbook 'mysql'
+        action :create
+      end
+
+      # this is the main systemd unit file
+      template "/etc/systemd/system/#{mysql_name}.service" do
+        path "/etc/systemd/system/#{mysql_name}.service"
+        source 'systemd/mysqld.service.erb'
+        owner 'root'
+        group 'root'
+        mode '0644'
+        variables(
+          config: new_resource,
+          etc_dir: etc_dir,
+          base_dir: base_dir,
+          mysqld_bin: mysqld_bin
+        )
+        cookbook 'mysql'
+        notifies :run, "execute[#{new_resource.instance} systemctl daemon-reload]", :immediately
+        action :create
+      end
+
+      # avoid 'Unit file changed on disk' warning
+      execute "#{new_resource.instance} systemctl daemon-reload" do
+        command '/bin/systemctl daemon-reload'
+        action :nothing
+      end
+
+      # tmpfiles.d config so the service survives reboot
+      template "/usr/lib/tmpfiles.d/#{mysql_name}.conf" do
+        path "/usr/lib/tmpfiles.d/#{mysql_name}.conf"
+        source 'tmpfiles.d.conf.erb'
+        owner 'root'
+        group 'root'
+        mode '0644'
+        variables(
+          run_dir: run_dir,
+          run_user: new_resource.run_user,
+          run_group: new_resource.run_group
+        )
+        cookbook 'mysql'
+        action :create
+      end
+
+      # service management resource
+      service mysql_name.to_s do
+        service_name mysql_name
+        provider Chef::Provider::Service::Systemd
+        supports restart: true, status: true
+        action [:enable, :start]
+      end
+    end
+
+    action :stop do
+      # service management resource
+      service mysql_name.to_s do
+        service_name mysql_name
+        provider Chef::Provider::Service::Systemd
+        supports status: true
+        action [:disable, :stop]
+        only_if { ::File.exist?("/usr/lib/systemd/system/#{mysql_name}.service") }
+      end
+    end
+
+    action :restart do
+      # service management resource
+      service mysql_name.to_s do
+        service_name mysql_name
+        provider Chef::Provider::Service::Systemd
+        supports restart: true
+        action :restart
+      end
+    end
+
+    action :reload do
+      # service management resource
+      service mysql_name.to_s do
+        service_name mysql_name
+        provider Chef::Provider::Service::Systemd
+        action :reload
+      end
+    end
+
+    action_class do
+      def stop_system_service
+        # service management resource
+        service 'mysql' do
+          service_name system_service_name
+          provider Chef::Provider::Service::Systemd
+          supports status: true
+          action [:stop, :disable]
+        end
+      end
+
+      def delete_stop_service
+        # service management resource
+        service mysql_name.to_s do
+          service_name mysql_name
+          provider Chef::Provider::Service::Systemd
+          supports status: true
+          action [:disable, :stop]
+          only_if { ::File.exist?("/usr/lib/systemd/system/#{mysql_name}.service") }
+        end
+      end
+    end
+  end
+end