drop el7 support

manifests/init.pp

@@ -32,17 +32,14 @@
   })
 
   # XXX The current dsid/rce service binaries are linked against
-  # libreadline.so.6, which does not exist in EL8+. error while loading shared
-  # libraries: libreadline.so.6: cannot open shared object file: No such file or
-  # directory
-  if fact('os.family') == 'RedHat' and versioncmp(fact('os.release.major'), '8') >= 0 {
+  # libreadline.so.7, which does not exist in EL9+.
+  if fact('os.family') == 'RedHat' and versioncmp(fact('os.release.major'), '9') >= 0 {
     $readline = fact('os.release.major') ? {
-      '8'     => 'libreadline.so.7.0',
       '9'     => 'libreadline.so.8.1',
       default => 'libreadline.so.8.1',
     }
 
-    file { '/usr/lib64/libreadline.so.6':
+    file { '/usr/lib64/libreadline.so.7':
       ensure => link,
       owner  => 'root',
       group  => 'root',

metadata.json

@@ -20,12 +20,6 @@
     }
   ],
   "operatingsystem_support": [
-    {
-      "operatingsystem": "CentOS",
-      "operatingsystemrelease": [
-        "7"
-      ]
-    },
     {
       "operatingsystem": "AlmaLinux",
       "operatingsystemrelease": [

spec/acceptance/basic_spec.rb

@@ -18,10 +18,10 @@
     it { is_expected.to be_mode '755' } # serverspec does not like a leading 0
   end
 
-  if fact('os.release.major') == '8'
-    describe file('/usr/lib64/libreadline.so.6') do
+  if fact('os.release.major') == '9'
+    describe file('/usr/lib64/libreadline.so.7') do
       it { is_expected.to be_symlink }
-      it { is_expected.to be_linked_to 'libreadline.so.7.0' }
+      it { is_expected.to be_linked_to 'libreadline.so.8.1' }
       it { is_expected.to be_owned_by 'root' }
       it { is_expected.to be_grouped_into 'root' }
     end