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Return devicenodes as empty list if no LUN's

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got connected. It is possible for an intiator to successfully connect to a
target, whilst getting no LUN's back. If no devicenodes get detected, it makes
more sense to return an empty list than plainly None.

This potentially avoids further tasks to have to check if devicenodes is
iterable.
This commit is contained in:
Serge van Ginderachter 2015-07-29 16:13:02 +02:00 committed by Matt Clay
parent 3acb084902
commit 21720f6bee
1 changed files with 9 additions and 12 deletions
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21
lib/ansible/modules/extras/system/open_iscsi.py
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@ -206,18 +206,15 @@ def target_device_node(module, target):
# a given target... # a given target...
devices = glob.glob('/dev/disk/by-path/*%s*' % target) devices = glob.glob('/dev/disk/by-path/*%s*' % target)
if len(devices) == 0: devdisks = []
return None for dev in devices:
else: # exclude partitions
devdisks = [] if "-part" not in dev:
for dev in devices: devdisk = os.path.realpath(dev)
# exclude partitions # only add once (multi-path?)
if "-part" not in dev: if devdisk not in devdisks:
devdisk = os.path.realpath(dev) devdisks.append(devdisk)
# only add once (multi-path?) return devdisks
if devdisk not in devdisks:
devdisks.append(devdisk)
return devdisks
def target_isauto(module, target): def target_isauto(module, target):