Add support for Cinder backups and images

README.md

@@ -284,12 +284,18 @@ configuration:
       # * "snapshot" is a default cinder snapshot method
       # * "clone" is for a full volume clone instead of a snapshot allowing the
       # source volume to be deleted
+      # * "backup" is for a full volume backup uploaded to a Cinder backup
+      # allowing the source volume to be deleted (EXPERIMENTAL)
+      # * "image" is for a full volume backup uploaded to a Glance image
+      # allowing the source volume to be deleted (EXPERIMENTAL)
       method: clone
       # optional resource readiness timeouts in Golang time format: https://pkg.go.dev/time#ParseDuration
       # (default: 5m)
       volumeTimeout: 5m
       snapshotTimeout: 5m
       cloneTimeout: 5m
+      backupTimeout: 5m
+      imageTimeout: 5m
   # for Manila shared filesystem storage
   - name: manila
     provider: community.openstack.org/openstack-manila

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/gophercloud/gophercloud v1.3.1-0.20230331133731-6e0b5eac8554
 	github.com/gophercloud/utils v0.0.0-20220927104426-4113af8d2663
 	github.com/sirupsen/logrus v1.9.0
+	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.8.1
 	github.com/vmware-tanzu/velero v1.11.0
 	k8s.io/api v0.25.6
@@ -44,7 +45,6 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/cobra v1.4.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
 	golang.org/x/net v0.7.0 // indirect
 	golang.org/x/oauth2 v0.0.0-20220608161450-d0670ef3b1eb // indirect
 	golang.org/x/sys v0.5.0 // indirect