def test_blkid_no_cache_uses_no_cache(self, m_subp):
"""blkid should turn off cache if disable_cache is true."""
m_subp.return_value = (self.blkid_out.format(**self.ids), "")
self.assertEqual(self._get_expected(), util.blkid(disable_cache=True))
m_subp.assert_called_with(["blkid", "-o", "full", "-c", "/dev/null"],
capture=True,
decode="replace")
def get_md():
rbx_data = None
devices = [
dev
for dev, bdata in util.blkid().items()
if bdata.get('LABEL', '').upper() == 'CLOUDMD'
]
for device in devices:
try:
rbx_data = util.mount_cb(
device=device,
callback=read_user_data_callback,
mtype=['vfat', 'fat']
)
if rbx_data:
break
except OSError as err:
if err.errno != errno.ENOENT:
raise
except util.MountFailedError:
util.logexc(LOG, "Failed to mount %s when looking for user "
"data", device)
if not rbx_data:
util.logexc(LOG, "Failed to load metadata and userdata")
return False
return rbx_data
def test_blkid_no_cache_uses_no_cache(self, m_subp):
"""blkid should turn off cache if disable_cache is true."""
m_subp.return_value = (
self.blkid_out.format(**self.ids), "")
self.assertEqual(self._get_expected(),
util.blkid(disable_cache=True))
m_subp.assert_called_with(["blkid", "-o", "full", "-c", "/dev/null"],
capture=True, decode="replace")
def get_ibm_platform():
"""Return a tuple (Platform, path)
If this is Not IBM cloud, then the return value is (None, None).
An instance in provisioning mode is considered running on IBM cloud."""
label_mdata = "METADATA"
label_cfg2 = "CONFIG-2"
not_found = (None, None)
if not _is_xen():
return not_found
# fslabels contains only the first entry with a given label.
fslabels = {}
try:
devs = util.blkid()
except subp.ProcessExecutionError as e:
LOG.warning("Failed to run blkid: %s", e)
return (None, None)
for dev in sorted(devs.keys()):
data = devs[dev]
label = data.get("LABEL", "").upper()
uuid = data.get("UUID", "").upper()
if label not in (label_mdata, label_cfg2):
continue
if label in fslabels:
LOG.warning(
"Duplicate fslabel '%s'. existing=%s current=%s",
label,
fslabels[label],
data,
)
continue
if label == label_cfg2 and uuid != IBM_CONFIG_UUID:
LOG.debug(
"Skipping %s with LABEL=%s due to uuid != %s: %s",
dev,
label,
uuid,
data,
)
continue
fslabels[label] = data
metadata_path = fslabels.get(label_mdata, {}).get("DEVNAME")
cfg2_path = fslabels.get(label_cfg2, {}).get("DEVNAME")
if cfg2_path:
return (Platforms.OS_CODE, cfg2_path)
elif metadata_path:
if _is_ibm_provisioning():
return (Platforms.TEMPLATE_PROVISIONING_METADATA, metadata_path)
else:
return (Platforms.TEMPLATE_LIVE_METADATA, metadata_path)
elif _is_ibm_provisioning():
return (Platforms.TEMPLATE_PROVISIONING_NODATA, None)
return not_found
def test_functional_blkid(self, m_subp):
m_subp.return_value = (self.blkid_out.format(**self.ids), "")
self.assertEqual(self._get_expected(), util.blkid())
m_subp.assert_called_with(["blkid", "-o", "full"],
capture=True,
decode="replace")
def test_functional_blkid(self, m_subp):
m_subp.return_value = (
self.blkid_out.format(**self.ids), "")
self.assertEqual(self._get_expected(), util.blkid())
m_subp.assert_called_with(["blkid", "-o", "full"], capture=True,
decode="replace")
