Ryan Barry has posted comments on this change.
Change subject: Add utils.system.Bootloader
......................................................................
Patch Set 4:
(2 comments)
Intentional use of call() instead of check_call()
....................................................
File src/ovirt/node/utils/system.py
Line 95: """
Line 96: try:
Line 97: process.call(["partprobe"] + [x for x in
glob.glob("/dev/mapper/*")
Line 98: if not re.match(r'.*\/control$',
x)])
Line 99: process.call(["udevadm", "settle"])
We don't actually want to fail if partprobe or udevadm fails. They're called to
ensure that blkid has the best odds of working, but it's not essential to fail
if they return a non-zero exit code, particularly given that partprobe is more
likely than not to return a non-zero exit code if any multipathed devices are
currently mounted and we don't want to bomb out. A non-zero return code from
partprobe is non-critical.
Line 100: process.check_call(["/sbin/blkid", "-c", "/dev/null", "-l",
"-o",
Line 101: "device", "-t", 'LABEL="%s"' % label])
Line 102:
Line 103: # If we made it here, there are no non-zero exit codes, and
we can
Line 100: process.check_call(["/sbin/blkid", "-c", "/dev/null", "-l",
"-o",
Line 101: "device", "-t", 'LABEL="%s"' % label])
Line 102:
Line 103: # If we made it here, there are no non-zero exit codes, and
we can
Line 104: # assume we found a filesystem with this label
The purpose is to explain why we're not returning the actual return code or any
output from the utilities we've called. Suggestions?
Line 105: return True
Line 106:
Line 107: except process.CalledProcessError as e:
Line 108: log.exception("Failed to resolve disks: %s" % e)
--
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Gerrit-MessageType: comment
Gerrit-Change-Id: I5a796a4c07bd99b927070ec62a7b1d990d4e1f9b
Gerrit-PatchSet: 4
Gerrit-Project: ovirt-node
Gerrit-Branch: master
Gerrit-Owner: Ryan Barry <[email protected]>
Gerrit-Reviewer: Fabian Deutsch <[email protected]>
Gerrit-Reviewer: Nir Soffer <[email protected]>
Gerrit-Reviewer: Ryan Barry <[email protected]>
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: Yes
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