mirror of
https://github.com/kubernetes-csi/csi-driver-nvmf.git
synced 2025-05-05 14:26:17 +00:00
116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
/*
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Copyright 2021 The Kubernetes 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 nvmf
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import (
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"github.com/container-storage-interface/spec/lib/go/csi"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"k8s.io/klog/v2"
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)
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type driver struct {
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name string
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nodeId string
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version string
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region string
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volumeMapDir string
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idServer *IdentityServer
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nodeServer *NodeServer
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controllerServer *ControllerServer
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cap []*csi.VolumeCapability_AccessMode
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cscap []*csi.ControllerServiceCapability
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}
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// NewDriver create the identity/node
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func NewDriver(conf *GlobalConfig) *driver {
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if conf.DriverName == "" {
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klog.Fatalf("driverName not been specified")
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return nil
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}
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klog.Infof("Driver: %v version: %v", conf.DriverName, conf.Version)
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return &driver{
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name: conf.DriverName,
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version: conf.Version,
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nodeId: conf.NodeID,
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region: conf.Region,
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volumeMapDir: conf.NVMfVolumeMapDir,
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}
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}
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func (d *driver) Run(conf *GlobalConfig) {
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d.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{})
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d.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{
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csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
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})
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d.idServer = NewIdentityServer(d)
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d.nodeServer = NewNodeServer(d)
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if conf.IsControllerServer {
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d.controllerServer = NewControllerServer(d)
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}
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klog.Infof("Starting csi-plugin Driver: %v", d.name)
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s := NewNonBlockingGRPCServer()
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s.Start(conf.Endpoint, d.idServer, d.controllerServer, d.nodeServer)
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s.Wait()
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}
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func (d *driver) AddVolumeCapabilityAccessModes(caps []csi.VolumeCapability_AccessMode_Mode) []*csi.VolumeCapability_AccessMode {
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var cap []*csi.VolumeCapability_AccessMode
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for _, c := range caps {
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klog.Infof("Enabling volume access mode: %v", c.String())
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cap = append(cap, &csi.VolumeCapability_AccessMode{Mode: c})
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}
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d.cap = cap
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return cap
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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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klog.Infof("Enabling controller service capability: %v", c.String())
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csc = append(csc, &csi.ControllerServiceCapability{
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Type: &csi.ControllerServiceCapability_Rpc{
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Rpc: &csi.ControllerServiceCapability_RPC{
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Type: c,
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},
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},
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})
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}
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d.cscap = csc
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}
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func (d *driver) ValidateControllerServiceRequest(c csi.ControllerServiceCapability_RPC_Type) error {
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if c == csi.ControllerServiceCapability_RPC_UNKNOWN {
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return nil
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}
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for _, cap := range d.cscap {
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if c == cap.GetRpc().GetType() {
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return nil
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}
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}
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return status.Error(codes.InvalidArgument, c.String())
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}
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