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facts: fix device uuid's on el6 (#36128)

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* facts: fix device uuid's on el6

Fixes #36077
This commit is contained in:
Martin Krizek 2018-02-16 16:52:51 +01:00 committed by Adrian Likins
parent f2818caa61
commit 3a5263a92f
4 changed files with 70 additions and 4 deletions
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32
lib/ansible/module_utils/facts/hardware/linux.py
View file

@ -372,6 +372,31 @@ class LinuxHardware(Hardware):
return uuids
def _udevadm_uuid(self, device):
# fallback for versions of lsblk <= 2.23 that don't have --paths, see _run_lsblk() above
uuid = 'N/A'
udevadm_path = self.module.get_bin_path('udevadm')
if not udevadm_path:
return uuid
cmd = [udevadm_path, 'info', '--query', 'property', '--name', device]
rc, out, err = self.module.run_command(cmd)
if rc != 0:
return uuid
# a snippet of the output of the udevadm command below will be:
# ...
# ID_FS_TYPE=ext4
# ID_FS_USAGE=filesystem
# ID_FS_UUID=57b1a3e7-9019-4747-9809-7ec52bba9179
# ...
m = re.search('ID_FS_UUID=(.*)\n', out)
if m:
uuid = m.group(1)
return uuid
def _run_findmnt(self, findmnt_path):
args = ['--list', '--noheadings', '--notruncate']
cmd = [findmnt_path] + args
@ -442,11 +467,16 @@ class LinuxHardware(Hardware):
if not self.MTAB_BIND_MOUNT_RE.match(options):
options += ",bind"
# _udevadm_uuid is a fallback for versions of lsblk <= 2.23 that don't have --paths
# see _run_lsblk() above
# https://github.com/ansible/ansible/issues/36077
uuid = uuids.get(device, self._udevadm_uuid(device))
mount_info = {'mount': mount,
'device': device,
'fstype': fstype,
'options': options,
'uuid': uuids.get(device, 'N/A')}
'uuid': uuid}
mount_info.update(mount_statvfs_info)

22
test/units/module_utils/facts/hardware/linux_data.py
View file

@ -47,6 +47,28 @@ LSBLK_OUTPUT_2 = b"""
LSBLK_UUIDS = {'/dev/sda1': '66Ojcd-ULtu-1cZa-Tywo-mx0d-RF4O-ysA9jK'}
UDEVADM_UUID = 'N/A'
UDEVADM_OUTPUT = """
UDEV_LOG=3
DEVPATH=/devices/pci0000:00/0000:00:07.0/virtio2/block/vda/vda1
MAJOR=252
MINOR=1
DEVNAME=/dev/vda1
DEVTYPE=partition
SUBSYSTEM=block
MPATH_SBIN_PATH=/sbin
ID_PATH=pci-0000:00:07.0-virtio-pci-virtio2
ID_PART_TABLE_TYPE=dos
ID_FS_UUID=57b1a3e7-9019-4747-9809-7ec52bba9179
ID_FS_UUID_ENC=57b1a3e7-9019-4747-9809-7ec52bba9179
ID_FS_VERSION=1.0
ID_FS_TYPE=ext4
ID_FS_USAGE=filesystem
LVM_SBIN_PATH=/sbin
DEVLINKS=/dev/block/252:1 /dev/disk/by-path/pci-0000:00:07.0-virtio-pci-virtio2-part1 /dev/disk/by-uuid/57b1a3e7-9019-4747-9809-7ec52bba9179
"""
MTAB = """
sysfs /sys sysfs rw,seclabel,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0

14
test/units/module_utils/facts/hardware/test_linux.py
View file

@ -25,7 +25,7 @@ from ansible.module_utils.facts import timeout
from ansible.module_utils.facts.hardware import linux
from . linux_data import LSBLK_OUTPUT, LSBLK_OUTPUT_2, LSBLK_UUIDS, MTAB, MTAB_ENTRIES, BIND_MOUNTS, STATVFS_INFO
from . linux_data import LSBLK_OUTPUT, LSBLK_OUTPUT_2, LSBLK_UUIDS, MTAB, MTAB_ENTRIES, BIND_MOUNTS, STATVFS_INFO, UDEVADM_UUID, UDEVADM_OUTPUT
with open(os.path.join(os.path.dirname(__file__), '../fixtures/findmount_output.txt')) as f:
FINDMNT_OUTPUT = f.read()
@ -50,11 +50,13 @@ class TestFactsLinuxHardwareGetMountFacts(unittest.TestCase):
@patch('ansible.module_utils.facts.hardware.linux.LinuxHardware._find_bind_mounts', return_value=BIND_MOUNTS)
@patch('ansible.module_utils.facts.hardware.linux.LinuxHardware._lsblk_uuid', return_value=LSBLK_UUIDS)
@patch('ansible.module_utils.facts.hardware.linux.get_mount_size', side_effect=mock_get_mount_size)
@patch('ansible.module_utils.facts.hardware.linux.LinuxHardware._udevadm_uuid', return_value=UDEVADM_UUID)
def test_get_mount_facts(self,
mock_get_mount_size,
mock_lsblk_uuid,
mock_find_bind_mounts,
mock_mtab_entries):
mock_mtab_entries,
mock_udevadm_uuid):
module = Mock()
# Returns a LinuxHardware-ish
lh = linux.LinuxHardware(module=module, load_on_init=False)
@ -162,3 +164,11 @@ class TestFactsLinuxHardwareGetMountFacts(unittest.TestCase):
self.assertIn(b'/dev/sda1', lsblk_uuids)
self.assertEqual(lsblk_uuids[b'/dev/mapper/an-example-mapper with a space in the name'], b'84639acb-013f-4d2f-9392-526a572b4373')
self.assertEqual(lsblk_uuids[b'/dev/sda1'], b'32caaec3-ef40-4691-a3b6-438c3f9bc1c0')
def test_udevadm_uuid(self):
module = Mock()
module.run_command = Mock(return_value=(0, UDEVADM_OUTPUT, '')) # (rc, out, err)
lh = linux.LinuxHardware(module=module, load_on_init=False)
udevadm_uuid = lh._udevadm_uuid('mock_device')
self.assertEqual(udevadm_uuid, '57b1a3e7-9019-4747-9809-7ec52bba9179')

6
test/units/module_utils/facts/test_facts.py
View file

@ -265,6 +265,8 @@ LSBLK_OUTPUT_2 = b"""
LSBLK_UUIDS = {'/dev/sda1': '66Ojcd-ULtu-1cZa-Tywo-mx0d-RF4O-ysA9jK'}
UDEVADM_UUID = 'N/A'
MTAB = """
sysfs /sys sysfs rw,seclabel,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
@ -536,10 +538,12 @@ class TestFactsLinuxHardwareGetMountFacts(unittest.TestCase):
@patch('ansible.module_utils.facts.hardware.linux.LinuxHardware._mtab_entries', return_value=MTAB_ENTRIES)
@patch('ansible.module_utils.facts.hardware.linux.LinuxHardware._find_bind_mounts', return_value=BIND_MOUNTS)
@patch('ansible.module_utils.facts.hardware.linux.LinuxHardware._lsblk_uuid', return_value=LSBLK_UUIDS)
@patch('ansible.module_utils.facts.hardware.linux.LinuxHardware._udevadm_uuid', return_value=UDEVADM_UUID)
def test_get_mount_facts(self,
mock_lsblk_uuid,
mock_find_bind_mounts,
mock_mtab_entries):
mock_mtab_entries,
mock_udevadm_uuid):
module = Mock()
# Returns a LinuxHardware-ish
lh = hardware.linux.LinuxHardware(module=module, load_on_init=False)