mirrors/ceph-csi
1
0
Fork 0
mirror of https://github.com/ceph/ceph-csi.git synced 2024-12-18 02:50:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

cephfs: use string const for cli error comparison

Browse Source 
we should not return the CLI errors in GRPC errors
we need to return proper readable error messages
to the user for better understanding and better
debugging.

updates #1242

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2020-08-17 11:28:59 +05:30 committed by mergify[bot]
parent 78c1e781be
commit 0bd45a5eb1
3 changed files with 38 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
internal/cephfs/errors.go
View File

@ -18,27 +18,42 @@ package cephfs
import (
"errors"
"fmt"
)
// Error strings for comparison with CLI errors.
const (
// volumeNotFound is returned when a subvolume is not found in CephFS.
volumeNotFound = "Error ENOENT"
// invalidCommand is returned when a command is not known to the cluster
invalidCommand = "Error EINVAL"
// snapNotFound is returned when snap name passed is not found in the list
// of snapshots for the given image.
snapNotFound = "Error ENOENT"
// snapProtectionExist is returned when the snapshot is already protected
snapProtectionExist = "Error EEXIST"
)
var (
// ErrCloneInProgress is returned when snapshot clone state is `in progress`
ErrCloneInProgress = errors.New("in progress")
// ErrInvalidVolID is returned when a CSI passed VolumeID is not conformant to any known volume ID
// formats.
ErrInvalidVolID = errors.New("invalid VolumeID")
// ErrNonStaticVolume is returned when a volume is detected as not being
// statically provisioned.
ErrNonStaticVolume = errors.New("volume not static")
// ErrVolNotEmpty is returned when a subvolume has snapshots in it.
ErrVolNotEmpty = fmt.Errorf("%v", "Error ENOTEMPTY")
// ErrVolumeNotFound is returned when a subvolume is not found in CephFS.
ErrVolumeNotFound = fmt.Errorf("%v", "Error ENOENT")
// ErrInvalidCommand is returned when a command is not known to the cluster
ErrInvalidCommand = fmt.Errorf("%v", "Error EINVAL")
// ErrSnapNotFound is returned when snap name passed is not found in the list of snapshots for the
// given image.
ErrSnapNotFound = fmt.Errorf("%v", "Error ENOENT")
// ErrSnapProtectionExist is returned when the snapshot is already protected
ErrSnapProtectionExist = fmt.Errorf("%v", "Error EEXIST")
// ErrCloneInProgress is returned when snapshot clone state is `in progress`
ErrCloneInProgress = fmt.Errorf("in progress")
ErrSnapProtectionExist = errors.New("snapshot protection already exists")
// ErrSnapNotFound is returned when snap name passed is not found in the list
// of snapshots for the given image.
ErrSnapNotFound = errors.New("snapshot not found")
// ErrVolumeNotFound is returned when a subvolume is not found in CephFS.
ErrVolumeNotFound = errors.New("volume not found")
// ErrInvalidCommand is returned when a command is not known to the cluster
ErrInvalidCommand = errors.New("invalid command")
)

10
internal/cephfs/snapshot.go
View File

@ -127,8 +127,8 @@ func getSnapshotInfo(ctx context.Context, volOptions *volumeOptions, cr *util.Cr
"ceph",
args[:]...)
if err != nil {
if strings.Contains(err.Error(), ErrSnapNotFound.Error()) {
return snapshotInfo{}, err
if strings.Contains(err.Error(), snapNotFound) {
return snapshotInfo{}, ErrSnapNotFound
}
util.ErrorLog(ctx, "failed to get subvolume snapshot info %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
return snapshotInfo{}, err
@ -158,7 +158,7 @@ func protectSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.Cr
"ceph",
args[:]...)
if err != nil {
if strings.Contains(err.Error(), ErrSnapProtectionExist.Error()) {
if strings.Contains(err.Error(), snapProtectionExist) {
return nil
}
util.ErrorLog(ctx, "failed to protect subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
@ -191,7 +191,7 @@ func unprotectSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.
if err != nil {
// Incase the snap is already unprotected we get ErrSnapProtectionExist error code
// in that case we are safe and we could discard this error.
if strings.Contains(err.Error(), ErrSnapProtectionExist.Error()) {
if strings.Contains(err.Error(), snapProtectionExist) {
return nil
}
util.ErrorLog(ctx, "failed to unprotect subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
@ -230,7 +230,7 @@ func cloneSnapshot(ctx context.Context, parentVolOptions *volumeOptions, cr *uti
if err != nil {
util.ErrorLog(ctx, "failed to clone subvolume snapshot %s %s(%s) in fs %s", string(cloneID), string(volID), err, parentVolOptions.FsName)
if strings.HasPrefix(err.Error(), ErrVolumeNotFound.Error()) {
if strings.HasPrefix(err.Error(), volumeNotFound) {
return ErrVolumeNotFound
}
return err

10
internal/cephfs/volume.go
View File

@ -73,7 +73,7 @@ func getVolumeRootPathCeph(ctx context.Context, volOptions *volumeOptions, cr *u
if err != nil {
util.ErrorLog(ctx, "failed to get the rootpath for the vol %s(%s) stdError %s", string(volID), err, stderr)
if strings.Contains(stderr, ErrVolumeNotFound.Error()) {
if strings.Contains(stderr, volumeNotFound) {
return "", util.JoinErrors(ErrVolumeNotFound, err)
}
@ -101,11 +101,11 @@ func getSubVolumeInfo(ctx context.Context, volOptions *volumeOptions, cr *util.C
"--keyfile="+cr.KeyFile)
if err != nil {
util.ErrorLog(ctx, "failed to get subvolume info for the vol %s(%s)", string(volID), err)
if strings.HasPrefix(err.Error(), ErrVolumeNotFound.Error()) {
if strings.HasPrefix(err.Error(), volumeNotFound) {
return info, ErrVolumeNotFound
}
// Incase the error is other than invalid command return error to the caller.
if !strings.Contains(err.Error(), ErrInvalidCommand.Error()) {
if !strings.Contains(err.Error(), invalidCommand) {
return info, ErrInvalidCommand
}
@ -222,7 +222,7 @@ func resizeVolume(ctx context.Context, volOptions *volumeOptions, cr *util.Crede
return nil
}
// Incase the error is other than invalid command return error to the caller.
if !strings.Contains(err.Error(), ErrInvalidCommand.Error()) {
if !strings.Contains(err.Error(), invalidCommand) {
util.ErrorLog(ctx, "failed to resize subvolume %s(%s) in fs %s", string(volID), err, volOptions.FsName)
return err
}
@ -252,7 +252,7 @@ func purgeVolume(ctx context.Context, volID volumeID, cr *util.Credentials, volO
err := execCommandErr(ctx, "ceph", arg...)
if err != nil {
util.ErrorLog(ctx, "failed to purge subvolume %s(%s) in fs %s", string(volID), err, volOptions.FsName)
if strings.Contains(err.Error(), ErrVolumeNotFound.Error()) {
if strings.Contains(err.Error(), volumeNotFound) {
return util.JoinErrors(ErrVolumeNotFound, err)
}
return err