agent: return mount file content if parse mountinfo failed
Include mount file content in error message when parsing
mountinfo failed for debug.
Fixes:
@@ -859,8 +859,9 @@ pub fn get_mount_fs_type_from_file(mount_file: &str, mount_point: &str) -> Resul
}
Err(anyhow!(
- "failed to find FS type for mount point {}",
- mount_point
+ "failed to find FS type for mount point {}, mount file content: {:?}",
+ mount_point,
+ fs::read_to_string(mount_file)
))
}
