ceph-csi/vendor/github.com/kubernetes-csi/drivers/pkg/hostpath/hostpath.go

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/*
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 (
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"github.com/container-storage-interface/spec/lib/go/csi/v0"
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"github.com/golang/glog"
"github.com/kubernetes-csi/drivers/pkg/csi-common"
)
type hostPath struct {
driver *csicommon.CSIDriver
ids *identityServer
ns *nodeServer
cs *controllerServer
cap []*csi.VolumeCapability_AccessMode
cscap []*csi.ControllerServiceCapability
}
var (
hostPathDriver *hostPath
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vendorVersion = "0.2.0"
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)
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) {
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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 {
glog.Fatalln("Failed to initialize CSI Driver.")
}
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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()
}