FuseStream

A simple tool for file system fault injection tests, inspired by chaos-mesh/toda.

Compile

Windows

$env:CPATH="C:\Program Files (x86)\WinFsp\inc\fuse"
go build main.go

Linux

go build main.go

Usage

Environment

# Start the pprof HTTP server (optional)
export FUSESTREAM_DEBUG="127.0.0.1:6000"

# Export OpenTelemetry spans to parquet
export FUSESTREAM_EXPORT_PATH="/tmp/fs.parquet"

FUSE

# mount the file system
fusestream fuse mount -b --base-dir /tmp/fusestream --mountpoint /mnt/fusestream

# inject fault
fusestream fuse inject-latency -g 'test-file.*' -p 1 --op CREATE -l 1000ms

# list injected faults
fusestream fault list

# time touch /mnt/fusestream/test-file14
0.00s user 0.00s system 0% cpu 1.002 total

OpCodes

FUSE

• UNKNOWN
• STATFS
• MKNOD
• MKDIR
• UNLINK
• RMDIR
• LINK
• SYMLINK
• READLINK
• RENAME
• CHMOD
• CHOWN
• UTIMENS
• CREATE
• OPEN
• GETATTR
• TRUNCATE
• READ
• WRITE
• RELEASE
• FSYNC
• OPENDIR
• READDIR
• RELEASEDIR

Licence

MIT