How to get GCSFuse debug logs in persistent mounting?

[raj-prince]

[raj-prince]

What is persistent mounting? - please refer this doc.

Steps to find debug logs in persistent mounting (/etc/fstab):

1. Add gcsfuse mount entry (provided a sample below) in /etc/fstab. In this sample, debug_fuse,log_file=/home/logs.txt,log_format=text conveys gcsfuse to write debug logs in /home/logs.txt. Here, princer-empty-bucket is the bucket name, /home/mnt is the mount directory and /home/logs.txt is the log-file path. You need to replace it.

princer-empty-bucket /home/mnt gcsfuse rw,_netdev,allow_other,uid=1924967234,gid=1924967234,implicit_dirs,debug_fuse,log_file=/home/logs.txt,log_format=text

2. Run sudo mount -a; you will see the below output

Calling gcsfuse with arguments: -o allow_other --uid 1924967234 --gid 1924967234 --implicit-dirs=true --debug_fuse --log-file /home/logs.txt --log-format text -o rw princer-empty-bucket /home/mnt
time="17/09/2024 02:28:56.658670" severity=INFO message="Start gcsfuse/2.4.1 (Go version go1.23.0) for app \"\" using mount point: /home/mnt\n"
time="17/09/2024 02:28:57.172818" severity=INFO message="File system has been successfully mounted."

3. Perform the file-system operations on the mounted directory. E.g., ls /home/mnt
4. You'll find the logs at /home/logs.txt. Share it with gcsfuse developer for debugging.