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cleanup: resolve exhaustive linter

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This commit resolves exhaustive linter
error.

Updates: #2240

Signed-off-by: Yati Padia <ypadia@redhat.com>
This commit is contained in:
Yati Padia 2021-07-05 18:40:53 +05:30 committed by mergify[bot]
parent 680a7bf411
commit 84c1fe52c7
3 changed files with 62 additions and 52 deletions
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11
e2e/pod.go
View File

@ -314,12 +314,13 @@ func waitForPodInRunningState(name, ns string, c kubernetes.Interface, t int, ex
return true, err
}
}
case v1.PodUnknown:
e2elog.Logf(
"%s app is in %s phase expected to be in Running state (%d seconds elapsed)",
name,
pod.Status.Phase,
int(time.Since(start).Seconds()))
}
e2elog.Logf(
"%s app is in %s phase expected to be in Running state (%d seconds elapsed)",
name,
pod.Status.Phase,
int(time.Since(start).Seconds()))
return false, nil
})
}

97
internal/cephfs/clone.go
View File

@ -19,7 +19,6 @@ package cephfs
import (
"context"
"errors"
"fmt"
"github.com/ceph/ceph-csi/internal/util"
)
@ -43,6 +42,23 @@ const (
snapshotIsProtected = "yes"
)
// toError checks the state of the clone if it's not cephFSCloneComplete.
func (cs cephFSCloneState) toError() error {
switch cs {
case cephFSCloneComplete:
return nil
case cephFSCloneError:
return ErrInvalidClone
case cephFSCloneInprogress:
return ErrCloneInProgress
case cephFSClonePending:
return ErrClonePending
case cephFSCloneFailed:
return ErrCloneFailed
}
return nil
}
func createCloneFromSubvolume(ctx context.Context, volID, cloneID volumeID, volOpt, parentvolOpt *volumeOptions) error {
snapshotID := cloneID
err := parentvolOpt.createSnapshot(ctx, snapshotID, volID)
@ -95,42 +111,34 @@ func createCloneFromSubvolume(ctx context.Context, volID, cloneID volumeID, volO
cloneState, cloneErr := volOpt.getCloneState(ctx, cloneID)
if cloneErr != nil {
util.ErrorLog(ctx, "failed to get clone state: %v", cloneErr)
return cloneErr
}
switch cloneState {
case cephFSCloneInprogress:
util.ErrorLog(ctx, "clone is in progress for %v", cloneID)
return ErrCloneInProgress
case cephFSClonePending:
util.ErrorLog(ctx, "clone is pending for %v", cloneID)
return ErrClonePending
case cephFSCloneFailed:
util.ErrorLog(ctx, "clone failed for %v", cloneID)
cloneFailedErr := fmt.Errorf("clone %s is in %s state", cloneID, cloneState)
return cloneFailedErr
case cephFSCloneComplete:
// This is a work around to fix sizing issue for cloned images
err = volOpt.resizeVolume(ctx, cloneID, volOpt.Size)
if err != nil {
util.ErrorLog(ctx, "failed to expand volume %s: %v", cloneID, err)
return err
}
// As we completed clone, remove the intermediate snap
if err = parentvolOpt.unprotectSnapshot(ctx, snapshotID, volID); err != nil {
// In case the snap is already unprotected we get ErrSnapProtectionExist error code
// in that case we are safe and we could discard this error and we are good to go
// ahead with deletion
if !errors.Is(err, ErrSnapProtectionExist) {
util.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapshotID, err)
return err
}
}
if err = parentvolOpt.deleteSnapshot(ctx, snapshotID, volID); err != nil {
util.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
if cloneState != cephFSCloneComplete {
util.ErrorLog(ctx, "clone %s did not complete: %v", cloneID, cloneState.toError())
return cloneState.toError()
}
// This is a work around to fix sizing issue for cloned images
err = volOpt.resizeVolume(ctx, cloneID, volOpt.Size)
if err != nil {
util.ErrorLog(ctx, "failed to expand volume %s: %v", cloneID, err)
return err
}
// As we completed clone, remove the intermediate snap
if err = parentvolOpt.unprotectSnapshot(ctx, snapshotID, volID); err != nil {
// In case the snap is already unprotected we get ErrSnapProtectionExist error code
// in that case we are safe and we could discard this error and we are good to go
// ahead with deletion
if !errors.Is(err, ErrSnapProtectionExist) {
util.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapshotID, err)
return err
}
}
if err = parentvolOpt.deleteSnapshot(ctx, snapshotID, volID); err != nil {
util.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
return err
}
return nil
}
@ -192,25 +200,20 @@ func createCloneFromSnapshot(
cloneState, err := volOptions.getCloneState(ctx, volumeID(vID.FsSubvolName))
if err != nil {
util.ErrorLog(ctx, "failed to get clone state: %v", err)
return err
}
switch cloneState {
case cephFSCloneInprogress:
return ErrCloneInProgress
case cephFSClonePending:
return ErrClonePending
case cephFSCloneFailed:
return fmt.Errorf("clone %s is in %s state", vID.FsSubvolName, cloneState)
case cephFSCloneComplete:
// The clonedvolume currently does not reflect the proper size due to an issue in cephfs
// however this is getting addressed in cephfs and the parentvolume size will be reflected
// in the new cloned volume too. Till then we are explicitly making the size set
err = volOptions.resizeVolume(ctx, volumeID(vID.FsSubvolName), volOptions.Size)
if err != nil {
util.ErrorLog(ctx, "failed to expand volume %s with error: %v", vID.FsSubvolName, err)
return err
}
if cloneState != cephFSCloneComplete {
return cloneState.toError()
}
// The clonedvolume currently does not reflect the proper size due to an issue in cephfs
// however this is getting addressed in cephfs and the parentvolume size will be reflected
// in the new cloned volume too. Till then we are explicitly making the size set
err = volOptions.resizeVolume(ctx, volumeID(vID.FsSubvolName), volOptions.Size)
if err != nil {
util.ErrorLog(ctx, "failed to expand volume %s with error: %v", vID.FsSubvolName, err)
return err
}
return nil
}

6
internal/cephfs/errors.go
View File

@ -33,6 +33,12 @@ var (
// ErrClonePending is returned when snapshot clone state is `pending`
ErrClonePending = errors.New("clone from snapshot is pending")
// ErrInvalidClone is returned when the clone state is invalid
ErrInvalidClone = errors.New("invalid clone state")
// ErrCloneFailed is returned when the clone state is failed.
ErrCloneFailed = errors.New("clone from snapshot failed")
// ErrInvalidVolID is returned when a CSI passed VolumeID is not conformant to any known volume ID
// formats.
ErrInvalidVolID = errors.New("invalid VolumeID")