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Detect virtualisation on netbsd #18381

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merged 3 commits into from
Nov 7, 2016
Merged

Detect virtualisation on netbsd #18381

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7bebbe8
Refactor OpenBSD sysctl based detection in a separate class
mscherer Nov 6, 2016
6d41850
Add detection of virtualisation on NetBSD
mscherer Nov 6, 2016
80aa3a8
Add support to detect running as a Xen guest
mscherer Nov 6, 2016
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95 changes: 62 additions & 33 deletions lib/ansible/module_utils/facts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3296,6 +3296,47 @@ def get_virtual_facts(self):
self.facts['virtualization_role'] = 'NA'
return

class VirtualSysctlDetectionMixin(object):
def detect_sysctl(self):
self.sysctl_path = self.module.get_bin_path('sysctl')

def detect_virt_product(self, key):
self.detect_sysctl()
if self.sysctl_path:
rc, out, err = self.module.run_command("%s -n %s" % (self.sysctl_path, key))
if rc == 0:
if re.match('(KVM|Bochs|SmartDC).*', out):
self.facts['virtualization_type'] = 'kvm'
self.facts['virtualization_role'] = 'guest'
elif re.match('.*VMware.*', out):
self.facts['virtualization_type'] = 'VMware'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'VirtualBox':
self.facts['virtualization_type'] = 'virtualbox'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'HVM domU':
self.facts['virtualization_type'] = 'xen'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'Parallels':
self.facts['virtualization_type'] = 'parallels'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'RHEV Hypervisor':
self.facts['virtualization_type'] = 'RHEV'
self.facts['virtualization_role'] = 'guest'

def detect_virt_vendor(self, key):
self.detect_sysctl()
if self.sysctl_path:
rc, out, err = self.module.run_command("%s -n %s" % (self.sysctl_path, key))
if rc == 0:
if out.rstrip() == 'QEMU':
self.facts['virtualization_type'] = 'kvm'
self.facts['virtualization_role'] = 'guest'
if out.rstrip() == 'OpenBSD':
self.facts['virtualization_type'] = 'vmm'
self.facts['virtualization_role'] = 'guest'


class FreeBSDVirtual(Virtual):
"""
This is a FreeBSD-specific subclass of Virtual. It defines
Expand All @@ -3307,7 +3348,7 @@ class FreeBSDVirtual(Virtual):
class DragonFlyVirtual(FreeBSDVirtual):
platform = 'DragonFly'

class OpenBSDVirtual(Virtual):
class OpenBSDVirtual(Virtual, VirtualSysctlDetectionMixin):
"""
This is a OpenBSD-specific subclass of Virtual. It defines
- virtualization_type
Expand All @@ -3317,43 +3358,14 @@ class OpenBSDVirtual(Virtual):
DMESG_BOOT = '/var/run/dmesg.boot'

def get_virtual_facts(self):
sysctl_path = self.module.get_bin_path('sysctl')

# Set empty values as default
self.facts['virtualization_type'] = ''
self.facts['virtualization_role'] = ''

if sysctl_path:
rc, out, err = self.module.run_command("%s -n hw.product" % sysctl_path)
if rc == 0:
if re.match('(KVM|Bochs|SmartDC).*', out):
self.facts['virtualization_type'] = 'kvm'
self.facts['virtualization_role'] = 'guest'
elif re.match('.*VMware.*', out):
self.facts['virtualization_type'] = 'VMware'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'VirtualBox':
self.facts['virtualization_type'] = 'virtualbox'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'HVM domU':
self.facts['virtualization_type'] = 'xen'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'Parallels':
self.facts['virtualization_type'] = 'parallels'
self.facts['virtualization_role'] = 'guest'
elif out.rstrip() == 'RHEV Hypervisor':
self.facts['virtualization_type'] = 'RHEV'
self.facts['virtualization_role'] = 'guest'
else:
# Try harder and see if hw.vendor has anything we could use.
rc, out, err = self.module.run_command("%s -n hw.vendor" % sysctl_path)
if rc == 0:
if out.rstrip() == 'QEMU':
self.facts['virtualization_type'] = 'kvm'
self.facts['virtualization_role'] = 'guest'
if out.rstrip() == 'OpenBSD':
self.facts['virtualization_type'] = 'vmm'
self.facts['virtualization_role'] = 'guest'
self.detect_virt_product('hw.product')
if self.facts['virtualization_type'] == '':
self.detect_virt_vendor('hw.vendor')

# Check the dmesg if vmm(4) attached, indicating the host is
# capable of virtualization.
Expand All @@ -3364,6 +3376,23 @@ def get_virtual_facts(self):
self.facts['virtualization_type'] = 'vmm'
self.facts['virtualization_role'] = 'host'

class NetBSDVirtual(Virtual, VirtualSysctlDetectionMixin):
platform = 'NetBSD'

def get_virtual_facts(self):
# Set empty values as default
self.facts['virtualization_type'] = ''
self.facts['virtualization_role'] = ''

self.detect_virt_product('machdep.dmi.system-product')
if self.facts['virtualization_type'] == '':
self.detect_virt_vendor('machdep.dmi.system-vendor')

if os.path.exists('/dev/xencons'):
self.facts['virtualization_type'] = 'xen'
self.facts['virtualization_role'] = 'guest'


class HPUXVirtual(Virtual):
"""
This is a HP-UX specific subclass of Virtual. It defines
Expand Down