Fix hostgroup membership list

ChangeLog

@@ -12,6 +12,7 @@ Revision history for Rex
  - Fix parsing FreeBSD memory details
  - Recognize laundry memory on FreeBSD
  - Fix command existence checks without which
+ - Fix hostgroup membership list
 
  [DOCUMENTATION]
 

lib/Rex/Group.pm

@@ -15,7 +15,7 @@ use attributes;
 use Rex::Group::Entry::Server;
 
 use vars qw(%groups);
-use List::Util 1.45 qw(uniq);
+use List::Util 1.45 qw(any uniq);
 use Data::Dumper;
 
 sub new {
@@ -24,8 +24,16 @@ sub new {
   my $self  = {@_};
 
   bless( $self, $proto );
+
   for my $srv ( @{ $self->{servers} } ) {
     $srv->append_to_group( $self->{name} );
+
+    for my $group ( keys %groups ) {
+
+      if ( any { $_ eq $srv } $groups{$group}->get_servers ) {
+        $srv->append_to_group($group);
+      }
+    }
   }
 
   return $self;

t/group.t

@@ -5,9 +5,10 @@ use warnings;
 
 our $VERSION = '9999.99.99_99'; # VERSION
 
-use Test::More tests => 99;
+use Test::More tests => 102;
 use Test::Warnings;
 use Test::Exception;
+use Test::Deep;
 
 use Rex -feature => '0.31';
 use Rex::Group;
@@ -83,3 +84,32 @@ is( *{$function_ref}->(), $function_result, 'calling custom function' );
 
 dies_ok( sub { Rex::Commands::evaluate_hostname('s[78]') },
   'die on invalid hostgroup expression' );
+
+# group membership
+
+group first  => qw(one two);
+group second => qw(two three);
+
+my $expected_groups_for = {
+  one   => [qw(first)],
+  two   => [qw(first second)],
+  three => [qw(second)],
+};
+
+my $groups_of;
+
+for my $group (qw(first second)) {
+  my @hosts = Rex::Group->get_group($group);
+
+  for my $host (@hosts) {
+    $groups_of->{ $host->to_s } = [ $host->groups ];
+  }
+}
+
+for my $host ( keys %{$expected_groups_for} ) {
+  cmp_bag(
+    $groups_of->{$host},
+    $expected_groups_for->{$host},
+    "correct host groups for host $host"
+  );
+}