mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-26 16:12:34 +00:00
6f05548661
Add a convenience script for adding new injection cookies and filter for
actual testing.
- ./inject-error new - return new unique cookie
- ./inject-error file tune/change-csum.c - show all cookies in the given
file (takes regexp)
Example usage:
for i in $(./inject-error file tune/change-csum.c | awk '{print $1}') ; do
echo "Inject $i"
export INJECT="$i"
rm img
cp --reflink img.filled img
./btrfstune --csum blake2 img
btrfs check img
done
Where 'img' is a filesystem with sample files and directories.
Signed-off-by: David Sterba <dsterba@suse.com>
61 lines
1.5 KiB
Python
Executable File
61 lines
1.5 KiB
Python
Executable File
#!/usr/bin/python3
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import random
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import re
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import subprocess
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import sys
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found = {}
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def do_new_cookie() -> str:
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global found
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cookie = hex(random.randrange(1, 2**32))
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while cookie in found:
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cookie = hex(random.randrange(1, 2**32))
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return cookie
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pipe = subprocess.Popen("git grep -n 'inject_error(0x'", shell=True,
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stdin=subprocess.PIPE, stdout=subprocess.PIPE, close_fds=True);
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ch_stdout = pipe.stdout
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ch_lines = [str(x.decode()).strip('\n') for x in ch_stdout.readlines()]
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#print("STDOUT", "\n".join(ch_lines))
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for l in ch_lines:
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m = re.search(r'^([^:]+):(\d+):.*inject_error\((0x[0-9a-fA-F]+)\)', l)
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if m:
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fn = m.group(1)
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line = m.group(2)
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c = m.group(3)
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#print(f"MATCH: {c}")
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if not c in found:
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found[c] = fn + ":" + line
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else:
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print(f"ERROR: cookie {c} in {fn}:{line} not uniqe, please fix it first")
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if len(sys.argv) == 1:
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cookie = do_new_cookie()
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print(cookie)
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if len(sys.argv) == 2:
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cmd = sys.argv[1]
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if cmd == 'new':
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cookie = do_new_cookie()
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print(cookie)
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elif cmd == 'known':
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for k, v in found.items():
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print(f"{k}\t{v}")
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else:
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print(f"ERROR: unknown command {cmd} or wrong number of arguments")
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if len(sys.argv) == 3:
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cmd = sys.argv[1]
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if cmd == 'file':
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regex = sys.argv[2]
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for k, v in found.items():
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if re.search(r'' + regex, v):
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print(f"{k}\t{v}")
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else:
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print(f"ERROR: unknown command {cmd} or wrong number of arguments")
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