From 32d0b88da60cd7bc148831e89b0b22be5c3db549 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20M=E4kinen?= <tmakinen@foo.sh>
Date: Thu, 25 Mar 2010 08:54:01 +0200
Subject: [PATCH] Added mysql::server::backup class to backup local MySQL
 databases.

---
 mysql/manifests/init.pp               | 41 +++++++++++++++++++++++++++
 mysql/templates/mysql-backup.cron.erb | 22 ++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 mysql/templates/mysql-backup.cron.erb

diff --git a/mysql/manifests/init.pp b/mysql/manifests/init.pp
index 084d9d0..cea20a5 100644
--- a/mysql/manifests/init.pp
+++ b/mysql/manifests/init.pp
@@ -79,6 +79,47 @@ class mysql::server {
 }
 
 
+# Install MySQL daily backup job
+#
+# === Global variables
+#
+#   $mysql_backup_datadir:
+#       Directory where MySQL backups are stored. Defaults to /srv/mysql/backup
+#
+#   $mysql_backup_maxage:
+#       How long to keep MySQL backups. Defaults to 168 hours (7 days).
+#
+class mysql::server::backup {
+
+    include mysql::client
+
+    if ! $mysql_backup_datadir {
+        $mysql_backup_datadir = "/srv/mysql/backup"
+    }
+    if ! $mysql_backup_maxage {
+        $mysql_backup_maxage = "168"
+    }
+
+    file { $mysql_backup_datadir:
+        ensure  => directory,
+        mode    => 0700,
+        owner   => root,
+        group   => root,
+    }
+
+    file { "/etc/cron.daily/mysql-backup":
+        ensure  => present,
+        content => template("mysql/mysql-backup.cron.erb"),
+        mode    => 0755,
+        owner   => root,
+        group   => root,
+        require => [ File[$mysql_backup_datadir],
+                     Package["mysql"], ],
+    }
+
+}
+
+
 # Install MySQL status reporting.
 #
 class mysql::server::report {
diff --git a/mysql/templates/mysql-backup.cron.erb b/mysql/templates/mysql-backup.cron.erb
new file mode 100644
index 0000000..e1f4082
--- /dev/null
+++ b/mysql/templates/mysql-backup.cron.erb
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+DESTDIR="<%= mysql_backup_datadir %>"
+MAXAGE="<%= mysql_backup_maxage %>"
+
+DATE=`date "+%Y-%m-%d"`
+
+if [ ! -d ${DESTDIR} ]; then
+    echo "ERR: MySQL backup directory [${DESTDIR}] does not exist" 1>&2
+    exit 1
+fi
+
+umask 077
+
+tmpwatch -m -f ${MAXAGE} ${DESTDIR}
+
+DESTDIR=${DESTDIR}/${DATE}
+mkdir -p ${DESTDIR}
+
+for db in `mysql -e 'show databases' -s | egrep -v '^Database$'` ; do
+    mysqldump --add-drop-table ${db} | gzip > ${DESTDIR}/${db}.${DATE}.gz
+done