Make mysql clients assume utf8 character encoding

Set the character encoding to utf8 for all mysql clients that run
on the gerrit server. This ensures that Gerrit maintenance activities:
mysqldump, mysql, etc.. use the correct character encoding when run locally
on the Gerrit servers.

Change-Id: I47b64ac4dd8b9a21250ff836a4dc88b41a035eeb

files/my.cnf

@@ -0,0 +1,25 @@
+#
+# The MySQL database server configuration file.
+#
+# You can copy this to one of:
+# - "/etc/mysql/my.cnf" to set global options,
+# - "~/.my.cnf" to set user-specific options.
+#
+# One can use all long options that the program supports.
+# Run program with --help to get a list of available options and with
+# --print-defaults to see which it would actually understand and use.
+#
+# For explanations see
+# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
+
+# This will be passed to all mysql clients
+# It has been reported that passwords should be enclosed with ticks/quotes
+# escpecially if they contain "#" chars...
+# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
+[client]
+port          = 3306
+socket        = /var/run/mysqld/mysqld.sock
+
+# Make clients assume UTF-8 encoding
+character_set_server = utf8
+

manifests/init.pp

@@ -640,6 +640,20 @@ class gerrit(
     ],
   }
 
+  package { 'mysql-client':
+    ensure => present,
+  }
+  # Add config to make clients assume UTF-8 encoding
+  file { '/etc/mysql/conf.d/client.conf':
+    ensure  => present,
+    source  => 'puppet:///modules/gerrit/my.cnf',
+    replace => true,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0644',
+    require => Package['mysql-client'],
+  }
+
   package { 'libbcprov-java':
     ensure => present,
   }

manifests/mysql.pp

@@ -21,7 +21,7 @@ class gerrit::mysql(
     password => $database_password,
     host     => 'localhost',
     grant    => ['all'],
-    charset  => 'latin1',
+    charset  => 'utf8',
     require  => [
       Class['mysql::server'],
       Class['mysql::server::account_security'],