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wic: use Filesystem UUID when expand swap partition

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part.get("uuid") return the Partition UUID from the partition
table instead of Filesystem UUID. This lead to swap partition
UUID not match/change when wic write expand swap partition.

change it to read the filesystem UUID using blkid. The output
from blkid should looks like this:
wic-partvzhiwq3s: LABEL="swap1" UUID="04e55c19-3f3f-4491-9e32-44eea8daa827" VERSION="1" TYPE="swap" USAGE="other"

[YOCTO #13313]

(From OE-Core rev: 683297eefebe83f848daad9927871242ab28ef91)

Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Lee Chee Yang
2020-04-13 19:00:54 +08:00
committed by Richard Purdie
parent c7ce37d3dd
commit df77ee4723
1 changed files with 3 additions and 2 deletions
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5
scripts/lib/wic/engine.py
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@@ -280,7 +280,7 @@ class Disk:
def __getattr__(self, name):
"""Get path to the executable in a lazy way."""
if name in ("mdir", "mcopy", "mdel", "mdeltree", "sfdisk", "e2fsck",
"resize2fs", "mkswap", "mkdosfs", "debugfs"):
"resize2fs", "mkswap", "mkdosfs", "debugfs","blkid"):
aname = "_%s" % name
if aname not in self.__dict__:
setattr(self, aname, find_executable(name, self.paths))
@@ -543,7 +543,8 @@ class Disk:
logger.info("creating swap partition {}".format(pnum))
label = part.get("name")
label_str = "-L {}".format(label) if label else ''
uuid = part.get("uuid")
out = exec_cmd("{} --probe {}".format(self.blkid, self._get_part_image(pnum)))
uuid = out[out.index("UUID=\"")+6:out.index("UUID=\"")+42]
uuid_str = "-U {}".format(uuid) if uuid else ''
with open(partfname, 'w') as sparse:
os.ftruncate(sparse.fileno(), part['size'] * self._lsector_size)