(R)?ex the friendly automation framework



Rex-1.14.3 is now available on CPAN. It contains bug fixes for local package installation, command existence checks, and Git tests.


The Rex-1.14.2 release is now available on CPAN. It contains bug fixes for running local commands on Windows, cloning git repositories, and test suite fixes for the upcoming perl-5.38.0 release.

Call for papers TPRC 2023

Dean Hamstead from the The Perl and Raku Foundation Marketing Committee has sent an invitation to present about Rex at TPRC 2023. I’m posting it here to increase visibility.


The Rex-1.14.1 release is now available on CPAN. It contains bug fixes and documentation updates.


The Rex-1.14.0 release is now available on CPAN. It contains improved Rexfile loading, documentation updates, and bumps the minimum required Perl version to 5.12.5.


Learning automation using Rex

Ferenc Erki (FErki) will be the guest of Gábor Szabó on the next Code Maven live stream to learn about automation using Rex. Register for the free event via Code Maven or Meetup, and join the discussion!

Unexpected use cases with Rex

Unexpected use cases with Rex at the 22nd German Perl/Raku Workshop 2020 in Erlangen by Ferenc Erki (FErki).

Rex & Friends

Rex & Friends talk at the Barcelona Perl & Friends 2019 by Ferenc Erki (FErki).

» Home » Docs » Release notes » Release notes for 0.12

Release notes for 0.12


task "dosomething", sub { say sudo "id"; };

user "root"; public_key "/path/to/your/ec2-public.key"; private_key "/path/to/your/ec2-private.key.pem";

# set the cloud service provider to "Amazon" cloud_service "Amazon";

# set cloud auth cloud_auth "$access_key", "$secret_access_key";

# set cloud region cloud_region "ec2.eu-west-1.amazonaws.com";

# define a group with all running ec2 instances group ec2 => get_cloud_instances_as_group();

task "list", sub { print Dumper cloud_instances_list; print Dumper cloud_volume_list;

<span class="hljs-function">print</span> Dumper get_cloud_regions;
<span class="hljs-function">print</span> Dumper get_cloud_availability_zones;


task "create", sub {

<span class="hljs-comment"># if you want an ebs volume, create it. if not, you don't need this.</span><span class="hljs-comment">

my $vol_id = cloud_volume create => { size => 1, zone => "eu-west-1a"; };

<span class="hljs-comment"># create the cloud instances and attach the just created ebs volume.</span><span class="hljs-comment">

cloud_instance create => { image_id => "ami-02103876", name => "test-ec2", key => "my-test-key", volume => $vol_id, # if you don't have a volume, skip this zone => "eu-west-1a", # the volume and the instance must be in the same zone. skip this if you don't have a volume. }; };

task "destroy", sub { cloud_volume detach => "vol-xxaabb"; cloud_instance terminate => "i-ffgghhjj"; cloud_colume delete => "vol-xxaabb"; };

task "prepare", group => "ec2", sub { run "apt-get update"; install package => "apache2"; service apache2 => "start"; };

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