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facts: Get virtual facts about VMware (#34132)

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This fixes fact gathering of VMware guest machines with
older Linux Kernel versions. These older Kernels do not support /sys
filesystem which is used to gather virtualization related facts.
'dmidecode' is the safest option to find out virtualization related facts.

Fixes: #21573

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
This commit is contained in:
Abhijeet Kasurde 2018-01-15 22:16:43 +05:30 committed by Adrian Likins
parent 6a75c1a138
commit 3950f5b9ce
1 changed files with 11 additions and 0 deletions
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11
lib/ansible/module_utils/facts/virtual/linux.py
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@ -220,6 +220,17 @@ class LinuxVirtual(Virtual):
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')
(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 in ['VMware Virtual Platform', 'VMware7,1']:
virtual_facts['virtualization_type'] = 'VMware'
virtual_facts['virtualization_role'] = 'guest'
# If none of the above matches, return 'NA' for virtualization_type
# and virtualization_role. This allows for proper grouping.
virtual_facts['virtualization_type'] = 'NA'