MODULES-3907 Add MySQL/Percona 5.7 initialize on fresh deploy

Author: QuentinMoss

lib/puppet/provider/mysql_datadir/mysql.rb

@@ -47,6 +47,7 @@ def create
       if (mysqld_type == "mysql" or mysqld_type == "percona") and Puppet::Util::Package.versioncmp(mysqld_version, '5.7.6') >= 0
         debug("Initializing MySQL data directory >= 5.7.6 with 'mysqld #{defaults_extra_file} #{initialize} --basedir=#{basedir} --datadir=#{datadir} --user=#{user}'")
         opts<<"--log-error=#{log_error}"
+        opts<<"#{initialize}"
         mysqld(opts.compact)
       else
         debug("Installing MySQL data directory with mysql_install_db #{defaults_extra_file} --basedir=#{basedir} --datadir=#{datadir} --user=#{user}")
@@ -64,7 +65,7 @@ def destroy
 
   def exists?
     datadir = @resource[:datadir]
-    (File.directory?("#{datadir}/mysql")) && (Dir.entries("#{datadir}/mysql") - %w{ . .. }).any? 
+    (File.directory?("#{datadir}/mysql")) && (Dir.entries("#{datadir}/mysql") - %w{ . .. }).any?
   end
 
   ##
@@ -75,4 +76,3 @@ def exists?
   mk_resource_methods
 
 end
-