mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-18 04:10:22 +00:00
124 lines
3.2 KiB
Go
124 lines
3.2 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes 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 hostpath
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/container-storage-interface/spec/lib/go/csi/v0"
|
|
"github.com/golang/glog"
|
|
|
|
"github.com/kubernetes-csi/drivers/pkg/csi-common"
|
|
)
|
|
|
|
const (
|
|
kib int64 = 1024
|
|
mib int64 = kib * 1024
|
|
gib int64 = mib * 1024
|
|
gib100 int64 = gib * 100
|
|
tib int64 = gib * 1024
|
|
tib100 int64 = tib * 100
|
|
)
|
|
|
|
type hostPath struct {
|
|
driver *csicommon.CSIDriver
|
|
|
|
ids *identityServer
|
|
ns *nodeServer
|
|
cs *controllerServer
|
|
|
|
cap []*csi.VolumeCapability_AccessMode
|
|
cscap []*csi.ControllerServiceCapability
|
|
}
|
|
|
|
type hostPathVolume struct {
|
|
VolName string `json:"volName"`
|
|
VolID string `json:"volID"`
|
|
VolSize int64 `json:"volSize"`
|
|
VolPath string `json:"volPath"`
|
|
}
|
|
|
|
var hostPathVolumes map[string]hostPathVolume
|
|
|
|
var (
|
|
hostPathDriver *hostPath
|
|
vendorVersion = "0.3.0"
|
|
)
|
|
|
|
func init() {
|
|
hostPathVolumes = map[string]hostPathVolume{}
|
|
}
|
|
|
|
func GetHostPathDriver() *hostPath {
|
|
return &hostPath{}
|
|
}
|
|
|
|
func NewIdentityServer(d *csicommon.CSIDriver) *identityServer {
|
|
return &identityServer{
|
|
DefaultIdentityServer: csicommon.NewDefaultIdentityServer(d),
|
|
}
|
|
}
|
|
|
|
func NewControllerServer(d *csicommon.CSIDriver) *controllerServer {
|
|
return &controllerServer{
|
|
DefaultControllerServer: csicommon.NewDefaultControllerServer(d),
|
|
}
|
|
}
|
|
|
|
func NewNodeServer(d *csicommon.CSIDriver) *nodeServer {
|
|
return &nodeServer{
|
|
DefaultNodeServer: csicommon.NewDefaultNodeServer(d),
|
|
}
|
|
}
|
|
|
|
func (hp *hostPath) Run(driverName, nodeID, endpoint string) {
|
|
glog.Infof("Driver: %v ", driverName)
|
|
|
|
// Initialize default library driver
|
|
hp.driver = csicommon.NewCSIDriver(driverName, vendorVersion, nodeID)
|
|
if hp.driver == nil {
|
|
glog.Fatalln("Failed to initialize CSI Driver.")
|
|
}
|
|
hp.driver.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME})
|
|
hp.driver.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER})
|
|
|
|
// Create GRPC servers
|
|
hp.ids = NewIdentityServer(hp.driver)
|
|
hp.ns = NewNodeServer(hp.driver)
|
|
hp.cs = NewControllerServer(hp.driver)
|
|
|
|
s := csicommon.NewNonBlockingGRPCServer()
|
|
s.Start(endpoint, hp.ids, hp.cs, hp.ns)
|
|
s.Wait()
|
|
}
|
|
|
|
func getVolumeByID(volumeID string) (hostPathVolume, error) {
|
|
if hostPathVol, ok := hostPathVolumes[volumeID]; ok {
|
|
return hostPathVol, nil
|
|
}
|
|
return hostPathVolume{}, fmt.Errorf("volume id %s does not exit in the volumes list", volumeID)
|
|
}
|
|
|
|
func getVolumeByName(volName string) (hostPathVolume, error) {
|
|
for _, hostPathVol := range hostPathVolumes {
|
|
if hostPathVol.VolName == volName {
|
|
return hostPathVol, nil
|
|
}
|
|
}
|
|
return hostPathVolume{}, fmt.Errorf("volume name %s does not exit in the volumes list", volName)
|
|
}
|