Feature/improve bhyve guest and host detection (#85767)

changelogs/fragments/85767-ansible-virtualization-freebsd.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - ansible_virtualization_role and ansible_virtualization_type facts - fix the detection of vms running inside FreeBSD Bhyve hypervisor and detection of jails  (https://github.com/ansible/ansible/pull/85767)

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

@@ -56,9 +56,10 @@ class FreeBSDVirtual(Virtual, VirtualSysctlDetectionMixin):
         host_tech.update(sec_jail_jailed['virtualization_tech_host'])
 
         if virtual_facts['virtualization_type'] == '':
-            sysctl = kern_vm_guest or hw_hv_vendor or sec_jail_jailed
             # We call update here, then re-set virtualization_tech_host/guest
             # later.
+            for sysctl in [kern_vm_guest, hw_hv_vendor, sec_jail_jailed]:
+                if sysctl:
                     virtual_facts.update(sysctl)
 
         virtual_vendor_facts = self.detect_virt_vendor('hw.model')
@@ -68,6 +69,16 @@ class FreeBSDVirtual(Virtual, VirtualSysctlDetectionMixin):
         if virtual_facts['virtualization_type'] == '':
             virtual_facts.update(virtual_vendor_facts)
 
+        # if vmm.ko kernel module is loaded
+        kldstat_bin = self.module.get_bin_path('kldstat')
+
+        if kldstat_bin is not None:
+            (rc, out, err) = self.module.run_command('%s -q -m vmm' % kldstat_bin)
+            if rc == 0:
+                host_tech.add('bhyve')
+                virtual_facts['virtualization_type'] = 'bhyve'
+                virtual_facts['virtualization_role'] = 'host'
+
         virtual_facts['virtualization_tech_guest'] = guest_tech
         virtual_facts['virtualization_tech_host'] = host_tech
         return virtual_facts

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

@@ -187,6 +187,12 @@ class LinuxVirtual(Virtual):
                 virtual_facts['virtualization_type'] = 'openstack'
                 found_virt = True
 
+        if product_name == 'BHYVE':
+            guest_tech.add('bhyve')
+            if not found_virt:
+                virtual_facts['virtualization_type'] = 'bhyve'
+                found_virt = True
+
         bios_vendor = get_file_content('/sys/devices/virtual/dmi/id/bios_vendor')
 
         if bios_vendor == 'Xen':

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

@@ -115,6 +115,10 @@ class SunOSVirtual(Virtual):
                         guest_tech.add('kvm')
                         virtual_facts['virtualization_type'] = 'kvm'
                         virtual_facts['virtualization_role'] = 'guest'
+                    elif 'BHYVE' in line:
+                        guest_tech.add('bhyve')
+                        virtual_facts['virtualization_type'] = 'bhyve'
+                        virtual_facts['virtualization_role'] = 'guest'
 
         virtual_facts['virtualization_tech_guest'] = guest_tech
         virtual_facts['virtualization_tech_host'] = host_tech

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

@@ -65,6 +65,12 @@ class VirtualSysctlDetectionMixin:
                         virtual_product_facts['virtualization_type'] = 'RHEV'
                         virtual_product_facts['virtualization_role'] = 'guest'
                         found_virt = True
+                if out.rstrip() == 'bhyve':
+                    guest_tech.add('bhyve')
+                    if not found_virt:
+                        virtual_product_facts['virtualization_type'] = 'bhyve'
+                        virtual_product_facts['virtualization_role'] = 'guest'
+                        found_virt = True
                 if (key == 'security.jail.jailed') and (out.rstrip() == '1'):
                     guest_tech.add('jails')
                     if not found_virt: