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Add support of RBD list volumes

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currently all the created volumes are
stored in the metadata store, so we
can use this information to support
list volumes.

Signed-off-by: Madhu Rajanna <mrajanna@redhat.com>
This commit is contained in:
Madhu Rajanna
2019-02-18 13:52:52 +05:30
committed by mergify[bot]
parent ae14956a4c
commit 3b320ef19e
3 changed files with 72 additions and 0 deletions
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40
pkg/rbd/controllerserver.go
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@ -19,6 +19,7 @@ package rbd
import (
"fmt"
"os/exec"
"strconv"
"syscall"
"github.com/ceph/ceph-csi/pkg/util"
@ -275,6 +276,45 @@ func (cs *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
return &csi.DeleteVolumeResponse{}, nil
}
// ListVolumes returns a list of volumes stored in memory
func (cs *ControllerServer) ListVolumes(ctx context.Context, req *csi.ListVolumesRequest) (*csi.ListVolumesResponse, error) {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_LIST_VOLUMES); err != nil {
klog.Warningf("invalid list volume req: %v", req)
return nil, err
}
//validate starting token if present
if len(req.GetStartingToken()) > 0 {
i, parseErr := strconv.ParseUint(req.StartingToken, 10, 32)
if parseErr != nil {
return nil, status.Errorf(codes.Aborted, "invalid starting token %s", parseErr.Error())
}
//check starting Token is greater than list of rbd volumes
if len(rbdVolumes) < int(i) {
return nil, status.Errorf(codes.Aborted, "invalid starting token %s", parseErr.Error())
}
}
var entries []*csi.ListVolumesResponse_Entry
for _, vol := range rbdVolumes {
entries = append(entries, &csi.ListVolumesResponse_Entry{
Volume: &csi.Volume{
VolumeId: vol.VolID,
CapacityBytes: vol.VolSize,
VolumeContext: extractStoredVolOpt(vol),
},
})
}
resp := &csi.ListVolumesResponse{
Entries: entries,
}
return resp, nil
}
// ValidateVolumeCapabilities checks whether the volume capabilities requested
// are supported.
func (cs *ControllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {