feat: implement ublk frontend for v2 data engine - part 2

Implement control plane part

longhorn-9456

Signed-off-by: Phan Le <phan.le@suse.com>

Author: PhanLe1010

go.mod

@@ -4,6 +4,12 @@ go 1.23.0
 
 toolchain go1.24.2
 
+replace (
+	github.com/longhorn/go-spdk-helper => ../go-spdk-helper
+	github.com/longhorn/longhorn-spdk-engine => ../longhorn-spdk-engine
+	github.com/longhorn/types => ../types
+)
+
 require (
 	github.com/google/uuid v1.6.0
 	github.com/longhorn/backupstore v0.0.0-20250413092739-f882c9e5606b

go.sum

@@ -114,16 +114,10 @@ github.com/longhorn/go-common-libs v0.0.0-20250412054242-0dd2ad39fd02 h1:WMiKgxZ
 github.com/longhorn/go-common-libs v0.0.0-20250412054242-0dd2ad39fd02/go.mod h1:zUt3YlXyj5wI5SC/jI0ayT42NYlVUXJd2is9Azo0DTw=
 github.com/longhorn/go-iscsi-helper v0.0.0-20250111093313-7e1930499625 h1:d39A3041RyFve26tIuKUuzrh2CkBY970xlGIXgMA998=
 github.com/longhorn/go-iscsi-helper v0.0.0-20250111093313-7e1930499625/go.mod h1:yIm3sGRuYOw/Y3XzRhG5+3FlZBOfrU5EZOavzwL2jVs=
-github.com/longhorn/go-spdk-helper v0.0.2-0.20250415000716-f22355d4e0fa h1:Toubcr6ADUkjIANoupTcv7ILpxcVE2u5dHPpoSeXix4=
-github.com/longhorn/go-spdk-helper v0.0.2-0.20250415000716-f22355d4e0fa/go.mod h1:k1MUTmyAIXuabuyviT3shOnN618449WqmamtCJlsh4c=
 github.com/longhorn/longhorn-engine v1.9.0-dev-20250223.0.20250225091521-921f63f3a87d h1:JdkTIIaKT0uUU80Ncl26JeAqT727PgPJMaqjf0OUfAE=
 github.com/longhorn/longhorn-engine v1.9.0-dev-20250223.0.20250225091521-921f63f3a87d/go.mod h1:qTsHK0nU6Myh4XGnuqfsPG4FpeLh7Vki2hLl/1P0iuc=
-github.com/longhorn/longhorn-spdk-engine v0.0.0-20250415073054-e79c3d827109 h1:7wbPxxTbds3n8bh0qcBNFQV70vsPY1VEeDJevV476Eo=
-github.com/longhorn/longhorn-spdk-engine v0.0.0-20250415073054-e79c3d827109/go.mod h1:LbnlHPNow1B79MLzY7GJVGv6mdsmNMC8uP2ow5Sm56s=
 github.com/longhorn/sparse-tools v0.0.0-20241216160947-2b328f0fa59c h1:OFz3haCSPdgiiJvXLBeId/4dPu0dxIEqkQkfNMufLwc=
 github.com/longhorn/sparse-tools v0.0.0-20241216160947-2b328f0fa59c/go.mod h1:dfbJqfI8+T9ZCp5zhTYcBi/64hPBNt5/vFF3gTlfMmc=
-github.com/longhorn/types v0.0.0-20250410134731-b46ad9302858 h1:1Qe0hwY5i5NMipBg91O2ON4lp3OLO0V1AW7ynQdBtjY=
-github.com/longhorn/types v0.0.0-20250410134731-b46ad9302858/go.mod h1:3jHuVDtpkXQzpnp4prguDBskVRric2kmF8aSPkRJ4jw=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=

pkg/api/instance.go

@@ -73,6 +73,7 @@ type InstanceStatus struct {
 	TargetPortEnd          int32           `json:"targetPortEnd"`
 	StandbyTargetPortStart int32           `json:"standbyTargetPortStart"`
 	StandbyTargetPortEnd   int32           `json:"standbyTargetPortEnd"`
+	UblkID                 int32           `json:"ublk_id"`
 }
 
 func RPCToInstanceStatus(obj *rpc.InstanceStatus) InstanceStatus {
@@ -86,6 +87,7 @@ func RPCToInstanceStatus(obj *rpc.InstanceStatus) InstanceStatus {
 		TargetPortEnd:          obj.TargetPortEnd,
 		StandbyTargetPortStart: obj.StandbyTargetPortStart,
 		StandbyTargetPortEnd:   obj.StandbyTargetPortEnd,
+		UblkID:                 obj.UblkId,
 	}
 }
 

pkg/instance/instance.go

@@ -812,6 +812,7 @@ func engineResponseToInstanceResponse(e *spdkapi.Engine) *rpc.InstanceResponse {
 			StandbyTargetPortStart: e.StandbyTargetPort,
 			StandbyTargetPortEnd:   e.StandbyTargetPort,
 			Conditions:             make(map[string]bool),
+			UblkId:                 e.UblkID,
 		},
 	}
 }