Merge pull request #282 from ceph/devel

Sync 'odf/devel' into ds/sync/release-4.16

charts/ceph-csi-rbd/templates/storageclass.yaml

@@ -16,8 +16,10 @@ metadata:
 provisioner: {{ .Values.driverName }}
 parameters:
   clusterID: {{ .Values.storageClass.clusterID }}
-  pool: {{ .Values.storageClass.pool }}
   imageFeatures: {{ .Values.storageClass.imageFeatures }}
+{{- if .Values.storageClass.pool }}  
+  pool: {{ .Values.storageClass.pool }}
+{{- end }}  
 {{- if .Values.storageClass.tryOtherMounters }}
   tryOtherMounters: {{ .Values.storageClass.tryOtherMounters | quote}}
 {{- end }}

charts/ceph-csi-rbd/values.yaml

@@ -343,6 +343,7 @@ storageClass:
   dataPool: ""
 
   # (required) Ceph pool into which the RBD image shall be created
+  # (optional) if topologyConstrainedPools is provided
   # eg: pool: replicapool
   pool: replicapool
 

e2e/rbd.go

@@ -3043,19 +3043,21 @@ var _ = Describe("RBD", func() {
 				}
 
 				By("ensuring created PV has its CSI journal in the CSI journal specific pool")
-				err = checkPVCCSIJournalInPool(f, pvc, "replicapool")
+				err = checkPVCCSIJournalInPool(f, pvc, rbdTopologyPool)
 				if err != nil {
 					framework.Failf("failed to check csi journal in pool: %v", err)
 				}
 
-				err = deleteJournalInfoInPool(f, pvc, "replicapool")
+				err = deleteJournalInfoInPool(f, pvc, rbdTopologyPool)
 				if err != nil {
 					framework.Failf("failed to delete omap data: %v", err)
 				}
+
 				err = deletePVCAndApp("", f, pvc, app)
 				if err != nil {
 					framework.Failf("failed to delete PVC and application: %v", err)
 				}
+
 				validateRBDImageCount(f, 0, defaultRBDPool)
 				validateOmapCount(f, 0, rbdType, defaultRBDPool, volumesType)
 
@@ -3092,7 +3094,7 @@ var _ = Describe("RBD", func() {
 						framework.Failf("failed to check data pool for image: %v", err)
 					}
 
-					err = deleteJournalInfoInPool(f, pvc, "replicapool")
+					err = deleteJournalInfoInPool(f, pvc, rbdTopologyPool)
 					if err != nil {
 						framework.Failf("failed to delete omap data: %v", err)
 					}

e2e/rbd_helper.go

@@ -126,7 +126,10 @@ func createRBDStorageClass(
 	if name != "" {
 		sc.Name = name
 	}
+	// add pool only if topologyConstrainedPools is not present
+	if _, ok := parameters["topologyConstrainedPools"]; !ok {
 		sc.Parameters["pool"] = defaultRBDPool
+	}
 	sc.Parameters["csi.storage.k8s.io/provisioner-secret-namespace"] = cephCSINamespace
 	sc.Parameters["csi.storage.k8s.io/provisioner-secret-name"] = rbdProvisionerSecretName
 

examples/rbd/storageclass.yaml

@@ -26,6 +26,7 @@ parameters:
    # dataPool: <ec-data-pool>
 
    # (required) Ceph pool into which the RBD image shall be created
+   # (optional) If the topologyConstrainedPools is provided
    # eg: pool: rbdpool
    pool: <rbd-pool-name>
 

internal/rbd/controllerserver.go

@@ -76,12 +76,19 @@ func (cs *ControllerServer) validateVolumeReq(ctx context.Context, req *csi.Crea
 	}
 	options := req.GetParameters()
 	if value, ok := options["clusterID"]; !ok || value == "" {
-		return status.Error(codes.InvalidArgument, "missing or empty cluster ID to provision volume from")
+		return status.Error(codes.InvalidArgument, "empty cluster ID to provision volume from")
 	}
-	if value, ok := options["pool"]; !ok || value == "" {
+	poolValue, poolOK := options["pool"]
+	topologyConstrainedPoolsValue, topologyOK := options["topologyConstrainedPools"]
+	if !poolOK {
+		if topologyOK && topologyConstrainedPoolsValue == "" {
+			return status.Error(codes.InvalidArgument, "empty pool name or topologyConstrainedPools to provision volume")
+		} else if !topologyOK {
+			return status.Error(codes.InvalidArgument, "missing or empty pool name to provision volume from")
+		}
+	} else if poolValue == "" {
 		return status.Error(codes.InvalidArgument, "missing or empty pool name to provision volume from")
 	}
-
 	if value, ok := options["dataPool"]; ok && value == "" {
 		return status.Error(codes.InvalidArgument, "empty datapool name to provision volume from")
 	}
@@ -244,6 +251,7 @@ func buildCreateVolumeResponse(req *csi.CreateVolumeRequest, rbdVol *rbdVolume)
 		VolumeContext: volumeContext,
 		ContentSource: req.GetVolumeContentSource(),
 	}
+
 	if rbdVol.Topology != nil {
 		volume.AccessibleTopology = []*csi.Topology{
 			{
@@ -341,6 +349,11 @@ func (cs *ControllerServer) CreateVolume(
 		return nil, err
 	}
 
+	err = updateTopologyConstraints(rbdVol, rbdSnap)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
 	found, err := rbdVol.Exists(ctx, parentVol)
 	if err != nil {
 		return nil, getGRPCErrorForCreateVolume(err)
@@ -358,7 +371,7 @@ func (cs *ControllerServer) CreateVolume(
 		return nil, err
 	}
 
-	err = reserveVol(ctx, rbdVol, rbdSnap, cr)
+	err = reserveVol(ctx, rbdVol, cr)
 	if err != nil {
 		return nil, status.Error(codes.Internal, err.Error())
 	}

internal/rbd/rbd_journal.go

@@ -76,6 +76,10 @@ func validateRbdVol(rbdVol *rbdVolume) error {
 		return err
 	}
 
+	if err = validateNonEmptyField(rbdVol.JournalPool, "JournalPool", "rbdVolume"); err != nil {
+		return err
+	}
+
 	if err = validateNonEmptyField(rbdVol.ClusterID, "ClusterID", "rbdVolume"); err != nil {
 		return err
 	}
@@ -433,6 +437,7 @@ func updateTopologyConstraints(rbdVol *rbdVolume, rbdSnap *rbdSnapshot) error {
 		if rbdVol.Topology != nil {
 			rbdVol.Pool = poolName
 			rbdVol.DataPool = dataPoolName
+			rbdVol.JournalPool = poolName
 		}
 
 		return nil
@@ -446,6 +451,7 @@ func updateTopologyConstraints(rbdVol *rbdVolume, rbdSnap *rbdSnapshot) error {
 		rbdVol.Pool = poolName
 		rbdVol.DataPool = dataPoolName
 		rbdVol.Topology = topology
+		rbdVol.JournalPool = poolName
 	}
 
 	return nil
@@ -453,14 +459,9 @@ func updateTopologyConstraints(rbdVol *rbdVolume, rbdSnap *rbdSnapshot) error {
 
 // reserveVol is a helper routine to request a rbdVolume name reservation and generate the
 // volume ID for the generated name.
-func reserveVol(ctx context.Context, rbdVol *rbdVolume, rbdSnap *rbdSnapshot, cr *util.Credentials) error {
+func reserveVol(ctx context.Context, rbdVol *rbdVolume, cr *util.Credentials) error {
 	var err error
 
-	err = updateTopologyConstraints(rbdVol, rbdSnap)
-	if err != nil {
-		return err
-	}
-
 	journalPoolID, imagePoolID, err := util.GetPoolIDs(ctx, rbdVol.Monitors, rbdVol.JournalPool, rbdVol.Pool, cr)
 	if err != nil {
 		return err

internal/rbd/rbd_util.go

@@ -1270,9 +1270,12 @@ func genVolFromVolumeOptions(
 	)
 
 	rbdVol := &rbdVolume{}
+
 	rbdVol.Pool, ok = volOptions["pool"]
 	if !ok {
-		return nil, errors.New("missing required parameter pool")
+		if _, ok = volOptions["topologyConstrainedPools"]; !ok {
+			return nil, errors.New("empty pool name or topologyConstrainedPools to provision volume")
+		}
 	}
 
 	rbdVol.DataPool = volOptions["dataPool"]