Add client package variable

The mysql client package is different on CentOS. This commit adds
a parameter for the mysql client package and defaults to a variable
in the mysql::params class.

manifests/init.pp

@@ -3,13 +3,18 @@
 # this module installs mysql client software.
 #
 # Parameters:
-#
+#   [*client_package_name*]  - The name of the mysql client package.
 # Actions:
 #
 # Requires:
 #
 # Sample Usage:
 #
-class mysql {
-  package {"mysql-client": ensure => installed }
+class mysql(
+  $client_package_name = $mysql::params::client_package_name
+) inherits mysql::params {
+  package {"mysql-client":
+    name    => $client_package_name,
+    ensure  => installed,
+  }
 }

manifests/params.pp

@@ -12,17 +12,20 @@
 # Sample Usage:
 #
 class mysql::params{
-  $socket = '/var/run/mysqld/mysqld.sock'
+  $socket                   = '/var/run/mysqld/mysqld.sock'
   case $operatingsystem {
     'centos', 'redhat', 'fedora': {
-      $service_name = 'mysqld'
+      $service_name         = 'mysqld'
+      $client_package_name  = 'mysql'
     }
     'ubuntu', 'debian': {
-      $service_name = 'mysql'
+      $service_name         = 'mysql'
+      $client_package_name  = 'mysql-client'
     }
     default: {
-      $python_package_name = 'python-mysqldb'
-      $ruby_package_name = 'ruby-mysql'
+      $python_package_name  = 'python-mysqldb'
+      $ruby_package_name    = 'ruby-mysql'
+      $client_package_name  = 'mysql'
     }
   }
 }