rex_on_change_trigger_restarts_shared_var

Rexfile

use 5.012;
use warnings;

use Rex -feature => [ '1.4', 'exec_autodie' ];

BEGIN {
    use Rex::Shared::Var;
    share qw($should_restart @services_to_restart);
}

$should_restart      = FALSE;
@services_to_restart = ();

task 'configure', sub {
    file '/etc/configfile',
      content => 'write this into the file',
      # source => 'upload/this/file',
      on_change => sub { $should_restart = TRUE };
};

after 'configure', sub {
    if ($should_restart) {
        service myservice => 'restart';
    }
};

task 'configure_many', sub {
    my %service_for = ( configfile1 => 'service1', configfile2 => 'service2' );

    for my $configfile ( keys %service_for ) {
        file $configfile,
          content => 'write this into each file',
          # source => 'upload/this/file',
          on_change => sub { push @services_to_restart, $service_for{$configfile} };
    }
};

after 'configure_many', sub {
    for my $service (@services_to_restart) {
        service $service => 'restart';
    }
};