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ec1e7a4ee0
When the GroupSnapGetInfo go-ceph function is supported by librbd, the Group Controller Servive and VolumeGroupSnapshot capabilities can be exposed to the Container Orchestrator. Signed-off-by: Niels de Vos <ndevos@ibm.com>
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
/*
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Copyright 2018 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package rbd
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import (
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"context"
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csicommon "github.com/ceph/ceph-csi/internal/csi-common"
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"github.com/ceph/ceph-csi/internal/rbd/features"
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"github.com/container-storage-interface/spec/lib/go/csi"
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)
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// IdentityServer struct of rbd CSI driver with supported methods of CSI
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// identity server spec.
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type IdentityServer struct {
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*csicommon.DefaultIdentityServer
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}
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// GetPluginCapabilities returns available capabilities of the rbd driver.
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func (is *IdentityServer) GetPluginCapabilities(
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ctx context.Context,
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req *csi.GetPluginCapabilitiesRequest,
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) (*csi.GetPluginCapabilitiesResponse, error) {
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caps := []*csi.PluginCapability{
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{
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Type: &csi.PluginCapability_Service_{
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Service: &csi.PluginCapability_Service{
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Type: csi.PluginCapability_Service_CONTROLLER_SERVICE,
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},
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},
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},
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{
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Type: &csi.PluginCapability_VolumeExpansion_{
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VolumeExpansion: &csi.PluginCapability_VolumeExpansion{
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Type: csi.PluginCapability_VolumeExpansion_ONLINE,
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},
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},
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},
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{
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Type: &csi.PluginCapability_Service_{
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Service: &csi.PluginCapability_Service{
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Type: csi.PluginCapability_Service_VOLUME_ACCESSIBILITY_CONSTRAINTS,
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},
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},
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},
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}
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// GroupSnapGetInfo is used within the VolumeGroupSnapshot implementation
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vgsSupported, err := features.SupportsGroupSnapGetInfo()
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if err == nil && vgsSupported {
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gcs := csi.PluginCapability{
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Type: &csi.PluginCapability_Service_{
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Service: &csi.PluginCapability_Service{
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Type: csi.PluginCapability_Service_GROUP_CONTROLLER_SERVICE,
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},
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},
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}
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caps = append(caps, &gcs)
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}
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return &csi.GetPluginCapabilitiesResponse{
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Capabilities: caps,
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}, nil
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}
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