Use xtrabackup.

This tool allow to have hot backups of mysql. innobackupex is referred
directly, but xtrabackup_51 is just linked into instance bin directory,
which will be later passed in environment.

slapos/instance.cfg

@@ -28,6 +28,7 @@ runzope_binary = ${buildout:bin-directory}/runzope
 tidstoraged_binary = ${buildout:bin-directory}/tidstoraged
 tidstorage_repozo_binary = ${buildout:bin-directory}/tidstorage_repozo
 zabbix_agent_binary = ${zabbix-agent:location}/sbin/zabbix_agent
+innobackupex_binary = ${xtrabackup:location}/bin/innobackupex
 
 # cloudooo specific configuration
 ooo_binary_path = ${libreoffice-bin:location}/program
@@ -44,6 +45,7 @@ link_binary_list =
   ${xpdf:location}/bin/pdftotext
   ${imagemagick:location}/bin/convert
   ${git:location}/bin/git
+  ${xtrabackup:location}/bin/xtrabackup_51
 
 # XXX: products won't be needed as soon as all ERP5 (and products-deps)
 # products will be eggified so then it will be possible to use them thanks to

slapos/software.cfg

@@ -43,6 +43,7 @@ extends =
   profile/w3m.cfg
   profile/xorg.cfg
   profile/xpdf.cfg
+  profile/xtrabackup.cfg
   profile/zabbix.cfg
 
 versions = versions
@@ -125,7 +126,7 @@ section = python2.7
 # Default template for erp5 instance.
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance.cfg
-md5sum = 9a5171bdda2db7c3eeea92a6517f2cd0
+md5sum = 80aaeb08f57aab2d02e959d7d3d7e50f
 output = ${buildout:directory}/template.cfg
 mode = 0644