1
0
mirror of https://github.com/ceph/ceph-csi.git synced 2024-12-21 04:20:23 +00:00
ceph-csi/internal/nfs/driver/driver.go
Niels de Vos 36e51402cb nfs: support ExpandVolume CSI procedure
There is not much the NFS-provisioner needs to do to expand a volume,
everything is handled by the CephFS components.

NFS does not need a resize on the node, so only ControllerExpandVolume
is required.

Signed-off-by: Niels de Vos <ndevos@redhat.com>
2022-05-10 17:43:59 +00:00

79 lines
2.6 KiB
Go

/*
Copyright 2022 The Ceph-CSI 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 driver
import (
csicommon "github.com/ceph/ceph-csi/internal/csi-common"
"github.com/ceph/ceph-csi/internal/nfs/controller"
"github.com/ceph/ceph-csi/internal/nfs/identity"
"github.com/ceph/ceph-csi/internal/util"
"github.com/ceph/ceph-csi/internal/util/log"
"github.com/container-storage-interface/spec/lib/go/csi"
)
// Driver contains the default identity and controller struct.
type Driver struct{}
// NewDriver returns new ceph driver.
func NewDriver() *Driver {
return &Driver{}
}
// Run start a non-blocking grpc controller,node and identityserver for
// ceph CSI driver which can serve multiple parallel requests.
func (fs *Driver) Run(conf *util.Config) {
// Initialize default library driver
cd := csicommon.NewCSIDriver(conf.DriverName, util.DriverVersion, conf.NodeID)
if cd == nil {
log.FatalLogMsg("failed to initialize CSI driver")
}
cd.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME,
csi.ControllerServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
csi.ControllerServiceCapability_RPC_EXPAND_VOLUME,
})
// VolumeCapabilities are validated by the CephFS Controller
cd.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{
csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER,
csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER,
})
// Create gRPC servers
server := csicommon.NewNonBlockingGRPCServer()
srv := csicommon.Servers{
IS: identity.NewIdentityServer(cd),
CS: controller.NewControllerServer(cd),
}
server.Start(conf.Endpoint, conf.HistogramOption, srv, conf.EnableGRPCMetrics)
if conf.EnableGRPCMetrics {
log.WarningLogMsg("EnableGRPCMetrics is deprecated")
go util.StartMetricsServer(conf)
}
if conf.EnableProfiling {
if !conf.EnableGRPCMetrics {
go util.StartMetricsServer(conf)
}
log.DebugLogMsg("Registering profiling handler")
go util.EnableProfiling()
}
server.Wait()
}