mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-22 04:50:23 +00:00
124 lines
3.2 KiB
Go
124 lines
3.2 KiB
Go
/*
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Copyright 2017 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 hostpath
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import (
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"fmt"
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"github.com/container-storage-interface/spec/lib/go/csi/v0"
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"github.com/golang/glog"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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)
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const (
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kib int64 = 1024
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mib int64 = kib * 1024
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gib int64 = mib * 1024
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gib100 int64 = gib * 100
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tib int64 = gib * 1024
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tib100 int64 = tib * 100
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)
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type hostPath struct {
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driver *csicommon.CSIDriver
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ids *identityServer
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ns *nodeServer
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cs *controllerServer
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cap []*csi.VolumeCapability_AccessMode
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cscap []*csi.ControllerServiceCapability
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}
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type hostPathVolume struct {
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VolName string `json:"volName"`
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VolID string `json:"volID"`
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VolSize int64 `json:"volSize"`
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VolPath string `json:"volPath"`
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}
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var hostPathVolumes map[string]hostPathVolume
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var (
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hostPathDriver *hostPath
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vendorVersion = "0.3.0"
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)
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func init() {
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hostPathVolumes = map[string]hostPathVolume{}
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}
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func GetHostPathDriver() *hostPath {
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return &hostPath{}
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}
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func NewIdentityServer(d *csicommon.CSIDriver) *identityServer {
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return &identityServer{
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DefaultIdentityServer: csicommon.NewDefaultIdentityServer(d),
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}
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}
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func NewControllerServer(d *csicommon.CSIDriver) *controllerServer {
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return &controllerServer{
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DefaultControllerServer: csicommon.NewDefaultControllerServer(d),
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}
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}
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func NewNodeServer(d *csicommon.CSIDriver) *nodeServer {
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return &nodeServer{
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DefaultNodeServer: csicommon.NewDefaultNodeServer(d),
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}
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}
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func (hp *hostPath) Run(driverName, nodeID, endpoint string) {
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glog.Infof("Driver: %v ", driverName)
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// Initialize default library driver
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hp.driver = csicommon.NewCSIDriver(driverName, vendorVersion, nodeID)
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if hp.driver == nil {
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glog.Fatalln("Failed to initialize CSI Driver.")
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}
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hp.driver.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME})
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hp.driver.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER})
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// Create GRPC servers
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hp.ids = NewIdentityServer(hp.driver)
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hp.ns = NewNodeServer(hp.driver)
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hp.cs = NewControllerServer(hp.driver)
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s := csicommon.NewNonBlockingGRPCServer()
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s.Start(endpoint, hp.ids, hp.cs, hp.ns)
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s.Wait()
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}
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func getVolumeByID(volumeID string) (hostPathVolume, error) {
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if hostPathVol, ok := hostPathVolumes[volumeID]; ok {
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return hostPathVol, nil
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}
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return hostPathVolume{}, fmt.Errorf("volume id %s does not exit in the volumes list", volumeID)
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}
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func getVolumeByName(volName string) (hostPathVolume, error) {
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for _, hostPathVol := range hostPathVolumes {
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if hostPathVol.VolName == volName {
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return hostPathVol, nil
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}
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}
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return hostPathVolume{}, fmt.Errorf("volume name %s does not exit in the volumes list", volName)
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}
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