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[WIP] More work implementing create/delete volume and publish/unpublish volume

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This commit is contained in:
Garrett Mills
2024-09-29 10:37:55 -04:00
parent c98b421b03
commit b9f2259674
17 changed files with 225 additions and 85 deletions
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25
pkg/csi/node.go
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@@ -18,6 +18,7 @@ package csi
import (
"context"
"k8s.io/klog"
"github.com/container-storage-interface/spec/lib/go/csi"
"google.golang.org/grpc/codes"
@@ -53,16 +54,20 @@ func newNodeService(nodeID string) nodeService {
// NodeStageVolume is called by the CO when a workload that wants to use the specified volume is placed (scheduled) on a node.
func (n *nodeService) NodeStageVolume(ctx context.Context, request *csi.NodeStageVolumeRequest) (*csi.NodeStageVolumeResponse, error) {
return nil, status.Error(codes.Unimplemented, "")
klog.Infof("node.NodeStageVolume: Staging volume %s -> %s", request.GetVolumeId(), request.GetStagingTargetPath())
return nil, status.Error(codes.Unimplemented, "node.NodeStageVolume")
}
// NodeUnstageVolume is called by the CO when a workload that was using the specified volume is being moved to a different node.
func (n *nodeService) NodeUnstageVolume(ctx context.Context, request *csi.NodeUnstageVolumeRequest) (*csi.NodeUnstageVolumeResponse, error) {
return nil, status.Error(codes.Unimplemented, "")
klog.Infof("node.NodeUnstageVolume: Staging volume %s -> %s", request.GetVolumeId(), request.GetStagingTargetPath())
return nil, status.Error(codes.Unimplemented, "node.NodeUnstageVolume")
}
// NodePublishVolume mounts the volume on the node.
func (n *nodeService) NodePublishVolume(ctx context.Context, request *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
klog.Infof("node.NodePublishVolume: Publishing volume %s -> %s", request.GetVolumeId(), request.GetTargetPath())
volumeID := request.GetVolumeId()
if len(volumeID) == 0 {
return nil, status.Error(codes.InvalidArgument, "Volume id not provided")
@@ -101,11 +106,14 @@ func (n *nodeService) NodePublishVolume(ctx context.Context, request *csi.NodePu
// TODO modify your volume mount logic here
return &csi.NodePublishVolumeResponse{}, nil
return nil, status.Error(codes.Unimplemented, "node.NodePublishVolume")
// return &csi.NodePublishVolumeResponse{}, nil
}
// NodeUnpublishVolume unmount the volume from the target path
func (n *nodeService) NodeUnpublishVolume(ctx context.Context, request *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
klog.Infof("node.NodeUnpublishVolume: Unpublishing volume %s -> %s", request.GetVolumeId(), request.GetTargetPath())
target := request.GetTargetPath()
if len(target) == 0 {
return nil, status.Error(codes.InvalidArgument, "Target path not provided")
@@ -113,26 +121,31 @@ func (n *nodeService) NodeUnpublishVolume(ctx context.Context, request *csi.Node
// TODO modify your volume umount logic here
return &csi.NodeUnpublishVolumeResponse{}, nil
return nil, status.Error(codes.Unimplemented, "node.NodeUnpublishVolume")
// return &csi.NodeUnpublishVolumeResponse{}, nil
}
// NodeGetVolumeStats get the volume stats
func (n *nodeService) NodeGetVolumeStats(ctx context.Context, request *csi.NodeGetVolumeStatsRequest) (*csi.NodeGetVolumeStatsResponse, error) {
return nil, status.Error(codes.Unimplemented, "")
klog.Infof("node.NodeGetVolumeStats: For volume %s -> %s", request.GetVolumeId(), request.GetVolumePath())
return nil, status.Error(codes.Unimplemented, "node.NodeGetVolumeStats")
}
// NodeExpandVolume expand the volume
func (n *nodeService) NodeExpandVolume(ctx context.Context, request *csi.NodeExpandVolumeRequest) (*csi.NodeExpandVolumeResponse, error) {
return nil, status.Error(codes.Unimplemented, "")
klog.Infof("node.NodeExpandVolume: %s -> %s (min bytes: %d)", request.GetVolumeId(), request.GetVolumePath(), request.GetCapacityRange().GetRequiredBytes())
return nil, status.Error(codes.Unimplemented, "node.NodeExpandVolume")
}
// NodeGetCapabilities get the node capabilities
func (n *nodeService) NodeGetCapabilities(ctx context.Context, request *csi.NodeGetCapabilitiesRequest) (*csi.NodeGetCapabilitiesResponse, error) {
klog.Infof("node.NodeGetCapabilities: Called")
return &csi.NodeGetCapabilitiesResponse{}, nil
}
// NodeGetInfo get the node info
func (n *nodeService) NodeGetInfo(ctx context.Context, request *csi.NodeGetInfoRequest) (*csi.NodeGetInfoResponse, error) {
klog.Infof("node.NodeGetInfo: Called")
return &csi.NodeGetInfoResponse{NodeId: n.nodeID}, nil
}