def _lvm_conf_configured():
"""
Return True if lvm local conf is using the correct version or is private,
otherwise return False.
"""
try:
cur_conf = confmeta.read_metadata(_LVMLOCAL_CUR)
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
return False
if cur_conf.revision is None:
# LVM installs a default lvmlocal.conf with documention for the "local"
# section. We backup this file and replace it with vdsm version.
_log(
"WARNING: LVM local configuration: %s is not based on vdsm "
"configuration", _LVMLOCAL_CUR)
return False
vdsm_conf = confmeta.read_metadata(_LVMLOCAL_VDSM)
if cur_conf.private:
# Using private configuration is ok
_log("Using private lvm local configuration: %s", _LVMLOCAL_CUR)
if cur_conf.revision < vdsm_conf.revision:
# But using outated configuration is not. The admin should update
# the file revision to avoid this warning.
_log(
"WARNING: Installed lvm local configuration: %s was based "
"on an older revision. Please update the file form vdsm "
"configuration: %s", _LVMLOCAL_CUR, _LVMLOCAL_VDSM)
return True
return vdsm_conf.revision == cur_conf.revision
def _lvm_conf_configured():
"""
Return True if lvm local conf is using the correct version or is private,
otherwise return False.
"""
try:
cur_conf = confmeta.read_metadata(_LVMLOCAL_CUR)
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
return False
if cur_conf.revision is None:
# LVM installs a default lvmlocal.conf with documention for the "local"
# section. We backup this file and replace it with vdsm version.
_log("WARNING: LVM local configuration: %s is not based on vdsm "
"configuration", _LVMLOCAL_CUR)
return False
vdsm_conf = confmeta.read_metadata(_LVMLOCAL_VDSM)
if cur_conf.private:
# Using private configuration is ok
_log("Using private lvm local configuration: %s", _LVMLOCAL_CUR)
if cur_conf.revision < vdsm_conf.revision:
# But using outated configuration is not. The admin should update
# the file revision to avoid this warning.
_log("WARNING: Installed lvm local configuration: %s was based "
"on an older revision. Please update the file form vdsm "
"configuration: %s", _LVMLOCAL_CUR, _LVMLOCAL_VDSM)
return True
return vdsm_conf.revision == cur_conf.revision
def test_must_start_with_metadata(self):
data = (b"There is no metadata here\n"
b"#REVISION: 1\n"
b"#PRIVATE: YES\n")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, None)
self.assertEqual(md.private, False)
def test_ignore_file_body(self):
data = (b"#REVISION: 1\n"
b"#PRIVATE: YES\n"
b"REVISION: 2\n"
b"PRIVATE: NO\n")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, 1)
self.assertEqual(md.private, True)
def test_order_does_not_matter(self):
data = (b"# A comment\n"
b"#PRIVATE: NO\n"
b"# Another comment\n"
b"#REVISION: 1\n"
b"# Last comment\n"
b"Actual file data...")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, 1)
self.assertEqual(md.private, False)
def test_no_metadata(self):
data = (b"# There is no metadata here\n" b"Actual file data...\n")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, None)
self.assertEqual(md.private, False)
def test_empty(self):
data = b""
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, None)
self.assertEqual(md.private, False)
def test_no_revision_owned_by_sysadmin(self):
data = b"#PRIVATE: YES\n"
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, None)
self.assertEqual(md.private, True)
def test_no_revision(self):
data = b"#PRIVATE: NO\n"
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, None)
self.assertEqual(md.private, False)
def test_owned_by_sysadmin(self):
data = (b"#REVISION: 1\n" b"#PRIVATE: YES\n")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, 1)
self.assertEqual(md.private, True)
def test_owned_by_vdsm_by_default(self):
data = b"#REVISION: 1\n"
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, 1)
self.assertEqual(md.private, False)
def test_invalid_private(self):
data = (b"#REVISION: 1\n" b"#PRIVATE:\n")
with temporaryPath(data=data) as path:
with self.assertRaises(ValueError):
confmeta.read_metadata(path)
def test_invalid_revision(self):
data = (b"#REVISION: invalid\n")
with temporaryPath(data=data) as path:
with self.assertRaises(ValueError):
confmeta.read_metadata(path)
def test_extra_whitespace(self):
data = (b"#REVISION: 1 \n" b"#PRIVATE: NO \n")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, 1)
self.assertEqual(md.private, False)
def test_last_value_win(self):
data = (b"#REVISION: 4\n" b"#REVISION: 3\n" b"#PRIVATE: YES\n")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, 3)
self.assertEqual(md.private, True)
def test_ignore_unknonwn_tags(self):
data = (b"#UNKNOWN: VALUE\n" b"#REVISION: 1\n" b"#PRIVATE: YES\n")
with temporaryPath(data=data) as path:
md = confmeta.read_metadata(path)
self.assertEqual(md.revision, 1)
self.assertEqual(md.private, True)
