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rbd: check for clusterid mapping in genVolFromVolumeOptions()

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This commit adds capability to genVolFromVolumeOptions() to fetch
mapped clusted-id & mon ips for mirrored PVC on secondary cluster
which may have different cluster-id.

This is required for NodeStageVolume().

We also don't need to check for mapping during volume create requests,
so it can be disabled by passing a bool checkClusterIDMapping as false.

GetMonsAndClusterID() is modified to accept bool checkClusterIDMapping
based on which clustermapping is checked to fetch mapped cluster-id and
mon-ips.

Signed-off-by: Rakshith R <rar@redhat.com>
This commit is contained in:
Rakshith R 2021-09-06 10:57:50 +05:30 committed by mergify[bot]
parent 4be53a27d3
commit 9d1e98ca60
5 changed files with 21 additions and 10 deletions
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2
internal/cephfs/volumeoptions.go
View File

@ -595,7 +595,7 @@ func genSnapFromOptions(ctx context.Context, req *csi.CreateSnapshotRequest) (sn
cephfsSnap.RequestName = req.GetName()
snapOptions := req.GetParameters()
cephfsSnap.Monitors, cephfsSnap.ClusterID, err = util.GetMonsAndClusterID(snapOptions)
cephfsSnap.Monitors, cephfsSnap.ClusterID, err = util.GetMonsAndClusterID(ctx, snapOptions, false)
if err != nil {
log.ErrorLog(ctx, "failed getting mons (%s)", err)

5
internal/rbd/controllerserver.go
View File

@ -123,7 +123,10 @@ func (cs *ControllerServer) parseVolCreateRequest(
}
// if it's NOT SINGLE_NODE_WRITER and it's BLOCK we'll set the parameter to ignore the in-use checks
rbdVol, err := genVolFromVolumeOptions(ctx, req.GetParameters(), req.GetSecrets(), (isMultiNode && isBlock))
rbdVol, err := genVolFromVolumeOptions(
ctx,
req.GetParameters(), req.GetSecrets(),
(isMultiNode && isBlock), false)
if err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}

2
internal/rbd/nodeserver.go
View File

@ -178,7 +178,7 @@ func populateRbdVol(
disableInUseChecks = true
}
rv, err := genVolFromVolumeOptions(ctx, req.GetVolumeContext(), req.GetSecrets(), disableInUseChecks)
rv, err := genVolFromVolumeOptions(ctx, req.GetVolumeContext(), req.GetSecrets(), disableInUseChecks, true)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}

11
internal/rbd/rbd_util.go
View File

@ -866,7 +866,7 @@ func genSnapFromSnapID(
rbdSnap.ClusterID = vi.ClusterID
options["clusterID"] = rbdSnap.ClusterID
rbdSnap.Monitors, _, err = util.GetMonsAndClusterID(options)
rbdSnap.Monitors, _, err = util.GetMonsAndClusterID(ctx, options, false)
if err != nil {
log.ErrorLog(ctx, "failed getting mons (%s)", err)
@ -950,12 +950,11 @@ func generateVolumeFromVolumeID(
// Mounter, MultiNodeWritable
rbdVol = &rbdVolume{}
rbdVol.VolID = volumeID
// TODO check clusterID mapping exists
rbdVol.ClusterID = vi.ClusterID
options["clusterID"] = rbdVol.ClusterID
rbdVol.Monitors, _, err = util.GetMonsAndClusterID(options)
rbdVol.Monitors, _, err = util.GetMonsAndClusterID(ctx, options, false)
if err != nil {
log.ErrorLog(ctx, "failed getting mons (%s)", err)
@ -1153,7 +1152,7 @@ func generateVolumeFromMapping(
func genVolFromVolumeOptions(
ctx context.Context,
volOptions, credentials map[string]string,
disableInUseChecks bool) (*rbdVolume, error) {
disableInUseChecks, checkClusterIDMapping bool) (*rbdVolume, error) {
var (
ok bool
err error
@ -1171,7 +1170,7 @@ func genVolFromVolumeOptions(
rbdVol.NamePrefix = namePrefix
}
rbdVol.Monitors, rbdVol.ClusterID, err = util.GetMonsAndClusterID(volOptions)
rbdVol.Monitors, rbdVol.ClusterID, err = util.GetMonsAndClusterID(ctx, volOptions, checkClusterIDMapping)
if err != nil {
log.ErrorLog(ctx, "failed getting mons (%s)", err)
@ -1248,7 +1247,7 @@ func genSnapFromOptions(ctx context.Context, rbdVol *rbdVolume, snapOptions map[
rbdSnap.JournalPool = rbdVol.JournalPool
rbdSnap.RadosNamespace = rbdVol.RadosNamespace
rbdSnap.Monitors, rbdSnap.ClusterID, err = util.GetMonsAndClusterID(snapOptions)
rbdSnap.Monitors, rbdSnap.ClusterID, err = util.GetMonsAndClusterID(ctx, snapOptions, false)
if err != nil {
log.ErrorLog(ctx, "failed getting mons (%s)", err)

11
internal/util/csiconfig.go
View File

@ -17,6 +17,7 @@ limitations under the License.
package util
import (
"context"
"encoding/json"
"errors"
"fmt"
@ -131,11 +132,19 @@ func CephFSSubvolumeGroup(pathToConfig, clusterID string) (string, error) {
// GetMonsAndClusterID returns monitors and clusterID information read from
// configfile.
func GetMonsAndClusterID(options map[string]string) (string, string, error) {
func GetMonsAndClusterID(ctx context.Context, options map[string]string, checkClusterIDMapping bool) (string, string, error) {
clusterID, ok := options["clusterID"]
if !ok {
return "", "", errors.New("clusterID must be set")
}
if checkClusterIDMapping {
monitors, mappedClusterID, err := FetchMappedClusterIDAndMons(ctx, clusterID)
if err != nil {
return "", "", err
}
return monitors, mappedClusterID, nil
}
monitors, err := Mons(CsiConfigFile, clusterID)
if err != nil {