mirror of
https://github.com/SynologyOpenSource/synology-csi.git
synced 2026-02-13 21:00:03 +00:00
142 lines
4.1 KiB
Go
142 lines
4.1 KiB
Go
/*
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Copyright 2021 Synology Inc.
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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 driver
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import (
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"github.com/container-storage-interface/spec/lib/go/csi"
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log "github.com/sirupsen/logrus"
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"github.com/SynologyOpenSource/synology-csi/pkg/interfaces"
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"github.com/SynologyOpenSource/synology-csi/pkg/utils"
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)
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const (
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DriverName = "csi.san.synology.com" // CSI dirver name
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DriverVersion = "1.1.3"
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)
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var (
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MultipathEnabled = true
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supportedProtocolList = []string{utils.ProtocolIscsi, utils.ProtocolSmb}
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)
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type IDriver interface {
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Activate()
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}
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type Driver struct {
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// *csicommon.CSIDriver
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name string
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nodeID string
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version string
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endpoint string
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csCap []*csi.ControllerServiceCapability
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vCap []*csi.VolumeCapability_AccessMode
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nsCap []*csi.NodeServiceCapability
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DsmService interfaces.IDsmService
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}
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func NewControllerAndNodeDriver(nodeID string, endpoint string, dsmService interfaces.IDsmService) (*Driver, error) {
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log.Debugf("NewControllerAndNodeDriver: DriverName: %v, DriverVersion: %v", DriverName, DriverVersion)
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// TODO version format and validation
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d := &Driver{
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name: DriverName,
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version: DriverVersion,
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nodeID: nodeID,
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endpoint: endpoint,
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DsmService: dsmService,
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}
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d.addControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{
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csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME,
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csi.ControllerServiceCapability_RPC_LIST_VOLUMES,
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csi.ControllerServiceCapability_RPC_EXPAND_VOLUME,
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csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT,
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csi.ControllerServiceCapability_RPC_LIST_SNAPSHOTS,
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csi.ControllerServiceCapability_RPC_CLONE_VOLUME,
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csi.ControllerServiceCapability_RPC_GET_CAPACITY,
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})
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d.addVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{
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csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
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csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
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})
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d.addNodeServiceCapabilities([]csi.NodeServiceCapability_RPC_Type{
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csi.NodeServiceCapability_RPC_STAGE_UNSTAGE_VOLUME,
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csi.NodeServiceCapability_RPC_EXPAND_VOLUME,
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csi.NodeServiceCapability_RPC_GET_VOLUME_STATS,
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// csi.NodeServiceCapability_RPC_VOLUME_MOUNT_GROUP,
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})
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log.Infof("New driver created: name=%s, nodeID=%s, version=%s, endpoint=%s", d.name, d.nodeID, d.version, d.endpoint)
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return d, nil
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}
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// TODO: func NewNodeDriver() {}
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// TODO: func NewControllerDriver() {}
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func (d *Driver) Activate() {
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go func() {
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RunControllerandNodePublishServer(d.endpoint, d, NewControllerServer(d), NewNodeServer(d))
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}()
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}
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func (d *Driver) addControllerServiceCapabilities(cl []csi.ControllerServiceCapability_RPC_Type) {
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var csc []*csi.ControllerServiceCapability
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for _, c := range cl {
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log.Debugf("Enabling controller service capability: %v", c.String())
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csc = append(csc, NewControllerServiceCapability(c))
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}
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d.csCap = csc
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return
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}
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func (d *Driver) addVolumeCapabilityAccessModes(vc []csi.VolumeCapability_AccessMode_Mode) {
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var vca []*csi.VolumeCapability_AccessMode
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for _, c := range vc {
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log.Debugf("Enabling volume access mode: %v", c.String())
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vca = append(vca, NewVolumeCapabilityAccessMode(c))
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}
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d.vCap = vca
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return
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}
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func (d *Driver) addNodeServiceCapabilities(nsc []csi.NodeServiceCapability_RPC_Type) {
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var nca []*csi.NodeServiceCapability
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for _, c := range nsc {
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log.Debugf("Enabling node service capability: %v", c.String())
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nca = append(nca, NewNodeServiceCapability(c))
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}
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d.nsCap = nca
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return
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}
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func (d *Driver) getVolumeCapabilityAccessModes() []*csi.VolumeCapability_AccessMode { // for debugging
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return d.vCap
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}
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func isProtocolSupport(protocol string) bool {
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return utils.SliceContains(supportedProtocolList, protocol)
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}
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