[backport 2.9] facts: detect FreeBSD jails guest (#62857) (#62913)

* facts: detect FreeBSD jails guest (#62857)

* facts: detect FreeBSD jails

* PEP8 fix

* changelog for pr62913

changelogs/fragments/62857-detect-freebsd-jails.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+  - facts/virtual #62857 detect FreeBSD jails guest

lib/ansible/module_utils/facts/virtual/freebsd.py

@@ -41,7 +41,8 @@ class FreeBSDVirtual(Virtual, VirtualSysctlDetectionMixin):
             virtual_facts['virtualization_role'] = 'guest'
 
         if virtual_facts['virtualization_type'] == '':
-            virtual_product_facts = self.detect_virt_product('kern.vm_guest') or self.detect_virt_product('hw.hv_vendor')
+            virtual_product_facts = self.detect_virt_product('kern.vm_guest') or self.detect_virt_product(
+                'hw.hv_vendor') or self.detect_virt_product('security.jail.jailed')
             virtual_facts.update(virtual_product_facts)
 
         if virtual_facts['virtualization_type'] == '':

lib/ansible/module_utils/facts/virtual/sysctl.py

@@ -48,6 +48,9 @@ class VirtualSysctlDetectionMixin(object):
                 elif out.rstrip() == 'RHEV Hypervisor':
                     virtual_product_facts['virtualization_type'] = 'RHEV'
                     virtual_product_facts['virtualization_role'] = 'guest'
+                elif (key == 'security.jail.jailed') and (out.rstrip() == '1'):
+                    virtual_product_facts['virtualization_type'] = 'jails'
+                    virtual_product_facts['virtualization_role'] = 'guest'
 
         return virtual_product_facts