JiaLiangC commented on code in PR #1263:
URL: https://github.com/apache/bigtop/pull/1263#discussion_r1609196909


##########
bigtop-deploy/puppet/manifests/python.pp:
##########
@@ -14,16 +14,57 @@
 # limitations under the License.
 
 class python {
-    if (($operatingsystem == 'Ubuntu' and 0 <= 
versioncmp($operatingsystemmajrelease, '22.04'))) {
-        file { '/usr/bin/python':
-          ensure => 'link',
-          target => '/usr/bin/python2',
+
+    define set_python_alternatives($command) {
+        exec { $name:
+          command => $command,
+          unless  => "/usr/sbin/update-alternatives --display python | grep 
'/usr/bin/python3'",
+          path    => ['/bin', '/usr/bin', '/sbin', '/usr/sbin'],
         }
     }
-    
-    if ($operatingsystem == 'openEuler') {
-        package { 'python3-unversioned-command':
-          ensure => 'present'
+
+    case $operatingsystem {
+        /(?i:(centos|fedora|redhat|rocky))/: {
+            package { 'python3-devel':
+              ensure => 'present',
+            }
+            if ($operatingsystem != 'Fedora') {
+                case $operatingsystemmajrelease {
+                    '9': {
+                        package { 'python-unversioned-command':
+                          ensure => 'present',
+                        }
+                    }
+                    '8': {
+                        set_python_alternatives { 'set-python3':
+                          command => '/usr/sbin/update-alternatives --set 
python /usr/bin/python3',
+                        }

Review Comment:
   Thanks for the review help. I also noticed this issue during testing. Still 
testing locally~



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