Fixes #36547 - Fix parsing of Ubuntu version in fact parsers

app/models/operatingsystem.rb

@@ -170,7 +170,14 @@ def self.find_by_to_label(str)
     os = find_by_description(str.to_s)
     return os if os
     a = str.split(" ")
-    b = a[1].split('.') if a[1]
+    if a[0] == 'Ubuntu'
+      if a[1]
+        x, y, minor = a[1].split('.', 3)
+        b = ["#{x}.#{y}", minor]
+      end
+    else
+      b = a[1].split('.') if a[1]
+    end
     cond = {:name => a[0]}
     cond[:major] = b[0] if b && b[0]
     cond[:minor] = b[1] if b && b[1]

app/services/foreman_ansible/operating_system_parser.rb

@@ -55,6 +55,8 @@ def os_major
           (facts[:ansible_distribution_major_version][%r{\/sid}i] ||
            facts[:ansible_distribution_major_version] == 'n/a')
         debian_os_major_sid
+      elsif os_name == 'Ubuntu'
+        facts[:ansible_distribution_major_version]
       else
         facts[:ansible_distribution_major_version] ||
             facts[:ansible_lsb] && facts[:ansible_lsb]['major_release'] ||
@@ -68,8 +70,12 @@ def os_release
     end
 
     def os_minor
-      _, minor = os_release&.split('.', 2) ||
+      if os_name == 'Ubuntu'
+        _, _, minor = os_release&.split('.', 3)
+      else
+        _, minor = os_release&.split('.', 2) ||
           (facts[:version].split('R') if os_name == 'junos')
+      end
       # Until Foreman supports os.minor as something that's not a number,
       # we should remove the extra dots in the version. E.g:
       # '6.1.7601.65536' becomes '6.1.760165536'

app/services/foreman_chef/fact_parser.rb

@@ -9,6 +9,8 @@ def operatingsystem
       # if we have no release information we can't assign OS properly (e.g. missing redhat-lsb)
       if release.nil?
         major, minor = 1, nil
+      elsif os_name == 'Ubuntu'
+        major, minor = release, nil
       else
         major, minor = release.split('.')
       end

app/services/katello/rhsm_fact_parser.rb

@@ -55,7 +55,12 @@ def operatingsystem
       return nil if name.nil? || version.nil?
 
       os_name = distribution_to_puppet_os(name)
-      major, minor = version.split('.')
+      if os_name == 'Ubuntu'
+        x, y, minor = version.split('.', 3)
+        major = "#{x}.#{y}"
+      else
+        major, minor = version.split('.', 2)
+      end
       unless facts['ignore_os']
         os_attributes = {:major => major, :minor => minor || '', :name => os_name}
 

app/services/puppet_fact_parser.rb

@@ -5,9 +5,14 @@ def operatingsystem
     orel = os_release.dup
 
     if orel.present?
-      major, minor = orel.split('.', 2)
-      major = major.to_s.gsub(/\D/, '')
-      minor = minor.to_s.gsub(/[^\d\.]/, '')
+      if os_name =~ /ubuntu/i
+        major = os_major_version
+        minor = os_minor_version
+      else
+        major, minor = orel.split('.')
+        major = major.to_s.gsub(/\D/, '')
+        minor = minor.to_s.gsub(/[^\d\.]/, '')
+      end
       args = {:name => os_name, :major => major, :minor => minor}
       os = Operatingsystem.find_or_initialize_by(args)
       if os_name[/debian|ubuntu/i] || os.family == 'Debian'
@@ -227,6 +232,14 @@ def os_name
     raise(::Foreman::Exception.new("invalid facts, missing operating system value"))
   end
 
+  def os_major_version
+    facts.dig(:os, :release, :major)
+  end
+
+  def os_minor_version
+    facts.dig(:os, :release, :minor)
+  end
+
   def os_release
     case os_name
     when /(windows)/i

db/migrate/20230719080900_fix_ubuntu_versions.rb

@@ -0,0 +1,12 @@
+class FixUbuntuVersions < ActiveRecord::Migration[6.0]
+  def up
+    # For every Ubuntu operating system with a set minor version we
+    #   * Check if there is already an operating system present with the same major and minor version combined in the major field
+    #   * If not, we update the version
+    Operatingsystem.where(name: 'Ubuntu').where.not(minor: [nil, '']).each do |os|
+      unless Operatingsystem.find_by(name: 'Ubuntu', major: "#{os.major}.#{os.minor}", minor: [nil, ''])
+        os.update(major: "#{os.major}.#{os.minor}", minor: nil)
+      end
+    end
+  end
+end