add define to manage a common db/user setup

a db and a corresponding user with all access to that database.

manifests/default_database.pp

@@ -0,0 +1,45 @@
+# create default database
+# generate hashed password with:
+# ruby -r'digest/sha1' -e 'puts "*" + Digest::SHA1.hexdigest(Digest::SHA1.digest(ARGV[0])).upcase' PASSWORD
+define mysql::default_database(
+    $username = 'absent',
+    $password,
+    $password_is_encrypted = true,
+    $privileges = 'all',
+    $host = '127.0.0.1',
+    $ensure = 'present'
+) {
+    $real_username = $username ? {
+      'absent' => $name,
+      default => $username
+    }
+    mysql_database{"$name":
+        ensure => $ensure
+    }
+    case $password {
+        'absent': { 
+            info("we don't create the user for database: ${name}") 
+            $grant_require = Mysql_database["$name"]
+        }
+        default: {
+            mysql_user{"${real_username}@${host}":
+                password_hash => $password_is_encrypted ? {
+                    true => "$password",
+                    default => mysql_password("$password")
+                },
+                ensure => $ensure,
+                require => [
+                    Mysql_database["$name"]
+                ],
+            }
+            $grant_require = [ 
+              Mysql_database["$name"], 
+              Mysql_user["${real_username}@${host}"] 
+            ]
+        }
+    }
+    mysql_grant{"${real_username}@${host}/${name}":
+        privileges => "$privileges",
+        require => $grant_require,
+    }
+}