From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 20:24:20 +0200 Subject: Adding upstream version 14.2.21. Signed-off-by: Daniel Baumann --- src/test/librbd/rbdrw.py | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/test/librbd/rbdrw.py (limited to 'src/test/librbd/rbdrw.py') diff --git a/src/test/librbd/rbdrw.py b/src/test/librbd/rbdrw.py new file mode 100644 index 00000000..8dbbda24 --- /dev/null +++ b/src/test/librbd/rbdrw.py @@ -0,0 +1,30 @@ +#!/usr/bin/env python +""" +Loop writing/reading the first 4k of image argv[1] in pool rbd, +after acquiring exclusive lock named argv[2]. When an exception +happens, split off the last number in the exception 'args' string +and use it as the process exit code, if it's convertible to a number. + +Designed to run against a blacklist operation and verify the +ESHUTDOWN expected from the image operation. + +Note: this cannot be run with writeback caching on, currently, as +writeback errors cause reads be marked dirty rather than error, and +even if they were marked as errored, ObjectCacher would retry them +rather than note them as errored. +""" + +import rados, rbd, sys + +with rados.Rados(conffile='') as r: + with r.open_ioctx('rbd') as ioctx: + try: + with rbd.Image(ioctx, sys.argv[1]) as image: + image.lock_exclusive(sys.argv[2]) + while True: + image.write(b'A' * 4096, 0) + r = image.read(0, 4096) + except rbd.ConnectionShutdown: + # it so happens that the errno here is 108, but + # anything recognizable would do + exit(108) -- cgit v1.2.3