ceph-csi/internal/nfs/controller/errors.go

/*
Copyright 2022 The Ceph-CSI Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package controller

import (
	"errors"
	"fmt"
)

var (
	// ErrNotConnected is returned when components from the NFS
	// ControllerServer can not connect to the Ceph cluster or NFS-Ganesha
	// service.
	ErrNotConnected = errors.New("not connected")

	// ErrNotFound is a generic error that is the parent of other "not
	// found" failures. Callers can check if something was "not found",
	// even if the actual error is more specific.
	ErrNotFound = errors.New("not found")

	// ErrExportNotFound is returned by components that communicate with the
	// NFS-Ganesha service, and have identified that the NFS-Export does
	// not exist (anymore). This error is also a ErrNotFound.
	ErrExportNotFound = fmt.Errorf("NFS-export %w", ErrNotFound)

	// ErrFilesystemNotFound is returned in case the filesystem
	// does not exist.
	ErrFilesystemNotFound = fmt.Errorf("filesystem %w", ErrNotFound)
)