(R)?ex Deployment & Configuration Management


Deprecating official Rex packages

As part of our efforts to simplify maintenance around RexOps projects, we have decided to stop building Rex packages on our side. We recommend relying on OS packages maintained by the various distributions in their respective upstream repositories, or to install Rex from CPAN.

Post-migration updates & clean-up

Over the course of the past weeks many clean-ups have been done, reaping the benefits provided by our new Statocles-based site:

New site engine for rexify.org

After months of work on a new site backend, we reached the MVP today for our site to be switched over to a new engine: from now on, our site will be maintained using the static site generator Statocles.



Need Help?

Rex is a pure open source project, you can find community support in the following places:

Professional support is also available.

» Home » Docs » Release notes » Release notes for 0.36

Release notes for 0.36


You can download OpenNebula module with the following command:

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bash# rexify --use Rex::Cloud::OpenNebula

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use strict;
use warnings;

use Rex::Commands::Cloud;
use Rex::Cloud::OpenNebula;
use Data::Dumper;

user "root";

cloud_service "OpenNebula";
cloud_auth "oneadmin", "opennebula";
cloud_region "";

task "list-os", sub {
   print Dumper get_cloud_operating_systems;

task "create", sub {
   my $params = shift;
   my $vm = cloud_instance create => {
      image        => "template-1",
      name         => $params->{name},

   print Dumper($vm);

task "start", sub {
   my $params = shift;
   cloud_instance start => $params->{name};

task "stop", sub {
   my $params = shift;
   cloud_instance stop => $params->{name};

task "terminate", sub {
   my $params = shift;
   cloud_instance terminate => $params->{name};

task "list", sub {
   print Dumper cloud_instance_list;

With this function you can run a specific task on a given host and get the output as a return value.

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task "prepare", "server5", sub {
   # do something
   my $free_mem = run_task "get_free_mem", on => "server3";
   if($free_mem < 100) {
      say "Less than 100 MB free mem on server3";
      # create a new server instance on server5 to unload server3

task "get_free_mem", sub {
    return memory->{free};
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