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Add pvs info to linux hardware 'ansible_lvm' facts (#16773)

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This change adds the information about physical volume to hardware
facts.
This commit is contained in:
Alexander Gordeev 2017-03-24 20:13:33 +04:00 committed by Adrian Likins
parent c1a766df98
commit 4b9b0a25c3
1 changed files with 25 additions and 1 deletions
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26
lib/ansible/module_utils/facts.py
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@ -1553,6 +1553,17 @@ class LinuxHardware(Hardware):
uptime_seconds_string = uptime_file_content.split(' ')[0]
self.facts['uptime_seconds'] = int(float(uptime_seconds_string))
def _find_mapper_device_name(self, dm_device):
dm_prefix = '/dev/dm-'
mapper_device = dm_device
if dm_device.startswith(dm_prefix):
dmsetup_cmd = self.module.get_bin_path('dmsetup', True)
mapper_prefix = '/dev/mapper/'
rc, dm_name, err = self.module.run_command("%s info -C --noheadings -o name %s" % (dmsetup_cmd, dm_device))
if rc == 0:
mapper_device = mapper_prefix + dm_name.rstrip()
return mapper_device
def get_lvm_facts(self):
""" Get LVM Facts if running as root and lvm utils are available """
@ -1581,7 +1592,20 @@ class LinuxHardware(Hardware):
items = lv_line.split()
lvs[items[0]] = {'size_g': items[3], 'vg': items[1]}
self.facts['lvm'] = {'lvs': lvs, 'vgs': vgs}
pvs_path = self.module.get_bin_path('pvs')
#pvs fields: PV VG #Fmt #Attr PSize PFree
pvs = {}
if pvs_path:
rc, pv_lines, err = self.module.run_command( '%s %s' % (pvs_path, lvm_util_options))
for pv_line in pv_lines.splitlines():
items = pv_line.split()
pvs[self._find_mapper_device_name(items[0])] = {
'size_g': items[4],
'free_g': items[5],
'vg': items[1]}
self.facts['lvm'] = {'lvs': lvs, 'vgs': vgs, 'pvs': pvs}
class SunOSHardware(Hardware):