ceph-csi/internal/cephfs/identityserver.go

/*
Copyright 2018 The Ceph-CSI Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package cephfs

import (
	"context"

	csicommon "github.com/ceph/ceph-csi/internal/csi-common"

	"github.com/container-storage-interface/spec/lib/go/csi"
)

// IdentityServer struct of ceph CSI driver with supported methods of CSI
// identity server spec.
type IdentityServer struct {
	*csicommon.DefaultIdentityServer
}

// GetPluginCapabilities returns available capabilities of the ceph driver.
func (is *IdentityServer) GetPluginCapabilities(
	ctx context.Context,
	req *csi.GetPluginCapabilitiesRequest,
) (*csi.GetPluginCapabilitiesResponse, error) {
	return &csi.GetPluginCapabilitiesResponse{
		Capabilities: []*csi.PluginCapability{
			{
				Type: &csi.PluginCapability_Service_{
					Service: &csi.PluginCapability_Service{
						Type: csi.PluginCapability_Service_CONTROLLER_SERVICE,
					},
				},
			},
			{
				Type: &csi.PluginCapability_VolumeExpansion_{
					VolumeExpansion: &csi.PluginCapability_VolumeExpansion{
						Type: csi.PluginCapability_VolumeExpansion_ONLINE,
					},
				},
			},
			{
				Type: &csi.PluginCapability_Service_{
					Service: &csi.PluginCapability_Service{
						Type: csi.PluginCapability_Service_VOLUME_ACCESSIBILITY_CONSTRAINTS,
					},
				},
			},
		},
	}, nil
}