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# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import glob
import os
import re
from ansible.module_utils.facts.virtual.base import Virtual, VirtualCollector
from ansible.module_utils.facts.utils import get_file_content, get_file_lines
class LinuxVirtual(Virtual):
"""
This is a Linux-specific subclass of Virtual. It defines
- virtualization_type
- virtualization_role
"""
platform = 'Linux'
# For more information, check: http://people.redhat.com/~rjones/virt-what/
def get_virtual_facts(self):
virtual_facts = {}
# lxc/docker
if os.path.exists('/proc/1/cgroup'):
for line in get_file_lines('/proc/1/cgroup'):
if re.search(r'/docker(/|-[0-9a-f]+\.scope)', line):
virtual_facts['virtualization_type'] = 'docker'
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
if re.search('/lxc/', line) or re.search('/machine.slice/machine-lxc', line):
virtual_facts['virtualization_type'] = 'lxc'
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
# lxc does not always appear in cgroups anymore but sets 'container=lxc' environment var, requires root privs
if os.path.exists('/proc/1/environ'):
for line in get_file_lines('/proc/1/environ'):
if re.search('container=lxc', line):
virtual_facts['virtualization_type'] = 'lxc'
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
if os.path.exists('/proc/vz') and not os.path.exists('/proc/lve'):
virtual_facts['virtualization_type'] = 'openvz'
if os.path.exists('/proc/bc'):
virtual_facts['virtualization_role'] = 'host'
else:
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
systemd_container = get_file_content('/run/systemd/container')
if systemd_container:
virtual_facts['virtualization_type'] = systemd_container
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
if os.path.exists("/proc/xen"):
virtual_facts['virtualization_type'] = 'xen'
virtual_facts['virtualization_role'] = 'guest'
try:
for line in get_file_lines('/proc/xen/capabilities'):
if "control_d" in line:
virtual_facts['virtualization_role'] = 'host'
except IOError:
pass
return virtual_facts
# assume guest for this block
virtual_facts['virtualization_role'] = 'guest'
product_name = get_file_content('/sys/devices/virtual/dmi/id/product_name')
if product_name in ('KVM', 'Bochs'):
virtual_facts['virtualization_type'] = 'kvm'
return virtual_facts
if product_name == 'RHEV Hypervisor':
virtual_facts['virtualization_type'] = 'RHEV'
return virtual_facts
if product_name in ('VMware Virtual Platform', 'VMware7,1'):
virtual_facts['virtualization_type'] = 'VMware'
return virtual_facts
if product_name in ('OpenStack Compute', 'OpenStack Nova'):
virtual_facts['virtualization_type'] = 'openstack'
return virtual_facts
bios_vendor = get_file_content('/sys/devices/virtual/dmi/id/bios_vendor')
if bios_vendor == 'Xen':
virtual_facts['virtualization_type'] = 'xen'
return virtual_facts
if bios_vendor == 'innotek GmbH':
virtual_facts['virtualization_type'] = 'virtualbox'
return virtual_facts
if bios_vendor in ('Amazon EC2', 'Hetzner'):
virtual_facts['virtualization_type'] = 'kvm'
return virtual_facts
sys_vendor = get_file_content('/sys/devices/virtual/dmi/id/sys_vendor')
KVM_SYS_VENDORS = ('QEMU', 'oVirt', 'Amazon EC2', 'Google', 'Scaleway')
if sys_vendor in KVM_SYS_VENDORS:
virtual_facts['virtualization_type'] = 'kvm'
return virtual_facts
# FIXME: This does also match hyperv
if sys_vendor == 'Microsoft Corporation':
virtual_facts['virtualization_type'] = 'VirtualPC'
return virtual_facts
if sys_vendor == 'Parallels Software International Inc.':
virtual_facts['virtualization_type'] = 'parallels'
return virtual_facts
if sys_vendor == 'OpenStack Foundation':
virtual_facts['virtualization_type'] = 'openstack'
return virtual_facts
# unassume guest
del virtual_facts['virtualization_role']
if os.path.exists('/proc/self/status'):
for line in get_file_lines('/proc/self/status'):
if re.match(r'^VxID:\s+\d+', line):
virtual_facts['virtualization_type'] = 'linux_vserver'
if re.match(r'^VxID:\s+0', line):
virtual_facts['virtualization_role'] = 'host'
else:
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
if os.path.exists('/proc/cpuinfo'):
for line in get_file_lines('/proc/cpuinfo'):
if re.match('^model name.*QEMU Virtual CPU', line):
virtual_facts['virtualization_type'] = 'kvm'
elif re.match('^vendor_id.*User Mode Linux', line):
virtual_facts['virtualization_type'] = 'uml'
elif re.match('^model name.*UML', line):
virtual_facts['virtualization_type'] = 'uml'
elif re.match('^machine.*CHRP IBM pSeries .emulated by qemu.', line):
virtual_facts['virtualization_type'] = 'kvm'
elif re.match('^vendor_id.*PowerVM Lx86', line):
virtual_facts['virtualization_type'] = 'powervm_lx86'
elif re.match('^vendor_id.*IBM/S390', line):
virtual_facts['virtualization_type'] = 'PR/SM'
lscpu = self.module.get_bin_path('lscpu')
if lscpu:
rc, out, err = self.module.run_command(["lscpu"])
if rc == 0:
for line in out.splitlines():
data = line.split(":", 1)
key = data[0].strip()
if key == 'Hypervisor':
virtual_facts['virtualization_type'] = data[1].strip()
else:
virtual_facts['virtualization_type'] = 'ibm_systemz'
else:
continue
if virtual_facts['virtualization_type'] == 'PR/SM':
virtual_facts['virtualization_role'] = 'LPAR'
else:
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
# Beware that we can have both kvm and virtualbox running on a single system
if os.path.exists("/proc/modules") and os.access('/proc/modules', os.R_OK):
modules = []
for line in get_file_lines("/proc/modules"):
data = line.split(" ", 1)
modules.append(data[0])
if 'kvm' in modules:
virtual_facts['virtualization_type'] = 'kvm'
virtual_facts['virtualization_role'] = 'host'
if os.path.isdir('/rhev/'):
# Check whether this is a RHEV hypervisor (is vdsm running ?)
for f in glob.glob('/proc/[0-9]*/comm'):
try:
with open(f) as virt_fh:
comm_content = virt_fh.read().rstrip()
if comm_content == 'vdsm':
virtual_facts['virtualization_type'] = 'RHEV'
break
except Exception:
pass
return virtual_facts
if 'vboxdrv' in modules:
virtual_facts['virtualization_type'] = 'virtualbox'
virtual_facts['virtualization_role'] = 'host'
return virtual_facts
if 'virtio' in modules:
virtual_facts['virtualization_type'] = 'kvm'
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
# In older Linux Kernel versions, /sys filesystem is not available
# dmidecode is the safest option to parse virtualization related values
dmi_bin = self.module.get_bin_path('dmidecode')
# We still want to continue even if dmidecode is not available
if dmi_bin is not None:
(rc, out, err) = self.module.run_command('%s -s system-product-name' % dmi_bin)
if rc == 0:
# Strip out commented lines (specific dmidecode output)
vendor_name = ''.join([line.strip() for line in out.splitlines() if not line.startswith('#')])
if vendor_name.startswith('VMware'):
virtual_facts['virtualization_type'] = 'VMware'
virtual_facts['virtualization_role'] = 'guest'
return virtual_facts
# If none of the above matches, return 'NA' for virtualization_type
# and virtualization_role. This allows for proper grouping.
virtual_facts['virtualization_type'] = 'NA'
virtual_facts['virtualization_role'] = 'NA'
return virtual_facts
class LinuxVirtualCollector(VirtualCollector):
_fact_class = LinuxVirtual
_platform = 'Linux'
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