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package_rpm: Check if file exists before open()

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Exception handler tries to read() /etc/passwd file in sysroot
and if file doesn't exist for any reason then it raises FileNotFoundError
exception which mask the original source of the problem and makes
debugging of the issue more difficult.

Fixes:
Exception: FileNotFoundError: [Errno 2] No such file or directory:
'/codebuild/output/src1899304708/src/build/tmp-container/work/core2-64-oe-linux/emqx-bin/4.3.12/recipe-sysroot/etc/passwd'

(From OE-Core rev: 17c8560f323d619b4a98d2276b4c0bf04c8196fd)

Signed-off-by: Pavel Zhukov <pavel@zhukoff.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 4ad9a0e0b11eb7bc5a3dd45fc8945e094ea949e9)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Pavel Zhukov
2024-10-10 19:45:45 +02:00
committed by Steve Sakoman
parent 29732ee9da
commit 3d90719ae3
1 changed files with 12 additions and 4 deletions
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16
meta/classes-global/package_rpm.bbclass
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@@ -201,14 +201,22 @@ python write_specfile () {
try:
owner = pwd.getpwuid(stat_f.st_uid).pw_name
except Exception as e:
bb.error("Content of /etc/passwd in sysroot:\n{}".format(
open(d.getVar("RECIPE_SYSROOT") +"/etc/passwd").read()))
filename = d.getVar('RECIPE_SYSROOT') + '/etc/passwd'
if os.path.exists(filename):
bb.error("Content of /etc/passwd in sysroot:\n{}".format(
open(filename).read()))
else:
bb.error("File {} doesn't exist in sysroot!".format(filename))
raise e
try:
group = grp.getgrgid(stat_f.st_gid).gr_name
except Exception as e:
bb.error("Content of /etc/group in sysroot:\n{}".format(
open(d.getVar("RECIPE_SYSROOT") +"/etc/group").read()))
filename = d.getVar("RECIPE_SYSROOT") +"/etc/group"
if os.path.exists(filename):
bb.error("Content of /etc/group in sysroot:\n{}".format(
open(filename).read()))
else:
bb.error("File {} doesn't exists in sysroot!".format(filename))
raise e
return "%attr({:o},{},{}) ".format(mode, owner, group)