Method Setup

pkgcache/cache_setup.go:39–97

()

}

func (n *NFSServerSetup) Setup() error {
	// Check required tools.
	if err := checkServerTools(); err != nil {
		return err
	}

	// Clean nfs dir.
	n.nfsDir = filepath.Clean(n.nfsDir)

	// Validate: Dir must exist and be a directory.
	if err := n.validateDir(); err != nil {
		return err
	}

	// Step 0: Remove append-only attribute so we can modify directories.
	// A previous setup may have set chattr +a, which blocks chown/chmod.
	if err := n.removeAppendOnlyAttribute(); err != nil {
		return err
	}

	// Step 1: Create celer system user/group if not exists.
	if err := createSystemGroupAndUser(nfsUser, ""); err != nil {
		return err
	}

	// Step 2: Chown -R celer:celer <nfs-dir>.
	if err := n.changeDirOwnership(nfsUser); err != nil {
		return err
	}

	// Step 3: Chmod 02775 on directories (group writable + setgid), chmod 0664 on files.
	if err := n.changeModeForDirsFiles(); err != nil {
		return err
	}

	// Step 5: Add the invoking user to the celer group.
	if err := addCurrentUserToGroup(nfsUser); err != nil {
		return err
	}

	// Step 6: Export NFS config and reload.
	if err := n.exportNFSConfig(); err != nil {
		return err
	}

	// Step 4: Chattr +a on all directories (append-only: allows new files, blocks deletion).
	if err := n.assignAppendOnlyAttribute(); err != nil {
		return err
	}

	// Step 7: Install cron job to keep new directories with append-only attribute.
	if err := n.installChattrCronJob(nfsUser); err != nil {
		return err
	}

	fmt.Println() // Just a blank line.
	color.PrintSuccess("NFS cache server setup complete for %q", n.nfsDir)
	return nil