fix: various bugs in observability / OTel (#1564)

backend/internal/utils/networked_filesystem_linux.go

@@ -1,35 +0,0 @@
-//go:build linux
-
-package utils
-
-import (
-	"fmt"
-	"syscall"
-)
-
-// Filesystem magic values from Linux's include/uapi/linux/magic.h, used by statfs(2).
-const (
-	nfsSuperMagic  = 0x6969
-	smbSuperMagic  = 0x517b
-	cifsSuperMagic = 0xff534d42
-	fuseSuperMagic = 0x65735546
-)
-
-// IsNetworkedFileSystem reports whether path is on a filesystem that is known to be unsafe for SQLite, specifically NFS, SMB/CIFS, or FUSE mounts.
-func IsNetworkedFileSystem(path string) (bool, error) {
-	var statfs syscall.Statfs_t
-	err := syscall.Statfs(path, &statfs)
-	if err != nil {
-		return false, fmt.Errorf("error executing statfs syscall: %w", err)
-	}
-
-	// Statfs_t.Type is arch-dependent (for example, int32 on some systems and int64 on others).
-	// Normalize through uint32 first so signed values still preserve the Linux bit pattern for magic numbers such as CIFS (0xff534d42), then compare in a wide unsigned form.
-	//nolint:gosec
-	switch uint64(uint32(statfs.Type)) {
-	case nfsSuperMagic, smbSuperMagic, cifsSuperMagic, fuseSuperMagic:
-		return true, nil
-	default:
-		return false, nil
-	}
-}

backend/internal/utils/networked_filesystem_nonlinux.go

@@ -1,8 +0,0 @@
-//go:build !linux
-
-package utils
-
-// IsNetworkedFileSystem returns false on non-Linux systems because this detection is only used for Linux-specific statfs(2) filesystem magic values.
-func IsNetworkedFileSystem(string) (bool, error) {
-	return false, nil
-}