csi

package
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 Go to latest Published: Jun 30, 2022 License: Apache-2.0 Imports: 32 Imported by: 0

Documentation

Overview

Package csi is CSI driver interface for OSD Copyright 2017 Portworx

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 csi is CSI driver interface for OSD Copyright 2017 Portworx

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 csi is CSI driver interface for OSD Copyright 2017 Portworx

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 csi is CSI driver interface for OSD Copyright 2017 Portworx

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.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewOsdCsiServer 

func NewOsdCsiServer(config *OsdCsiServerConfig) (grpcserver.Server, error)

NewOsdCsiServer creates a gRPC CSI complient server on the specified port and transport.

Types

type OsdCsiServer 

type OsdCsiServer struct {
	csi.ControllerServer
	csi.NodeServer
	csi.IdentityServer

	*grpcserver.GrpcServer
	// contains filtered or unexported fields
}

OsdCsiServer is a OSD CSI compliant server which proxies CSI requests for a single specific driver

func (*OsdCsiServer) ControllerExpandVolume 

func (s *OsdCsiServer) ControllerExpandVolume(
	ctx context.Context,
	req *csi.ControllerExpandVolumeRequest,
) (*csi.ControllerExpandVolumeResponse, error)

ControllerExpandVolume is a CSI API which resizes a volume

func (*OsdCsiServer) ControllerGetCapabilities 

func (s *OsdCsiServer) ControllerGetCapabilities(
	ctx context.Context,
	req *csi.ControllerGetCapabilitiesRequest,
) (*csi.ControllerGetCapabilitiesResponse, error)

ControllerGetCapabilities is a CSI API functions which returns to the caller the capabilities of the OSD CSI driver.

func (*OsdCsiServer) ControllerGetVolume 

func (s *OsdCsiServer) ControllerGetVolume(
	ctx context.Context,
	req *csi.ControllerGetVolumeRequest,
) (*csi.ControllerGetVolumeResponse, error)

ControllerGetVolume is a CSI API which implements getting a single volume. This function skips auth and directly hits the driver as it is read-only and only exposed via the CSI unix domain socket. If a secrets field is added in csi.ControllerGetVolumeRequest, we can update this to hit the SDK and use auth.

func (*OsdCsiServer) ControllerPublishVolume 

func (s *OsdCsiServer) ControllerPublishVolume(
	context.Context,
	*csi.ControllerPublishVolumeRequest,
) (*csi.ControllerPublishVolumeResponse, error)

ControllerPublishVolume is a CSI API implements the attachment of a volume on to a node.

func (*OsdCsiServer) ControllerUnpublishVolume 

func (s *OsdCsiServer) ControllerUnpublishVolume(
	context.Context,
	*csi.ControllerUnpublishVolumeRequest,
) (*csi.ControllerUnpublishVolumeResponse, error)

ControllerUnpublishVolume is a CSI API which implements the detaching of a volume onto a node.

func (*OsdCsiServer) CreateSnapshot 

func (s *OsdCsiServer) CreateSnapshot(
	ctx context.Context,
	req *csi.CreateSnapshotRequest,
) (*csi.CreateSnapshotResponse, error)

CreateSnapshot is a CSI implementation to create a snapshot from the volume

func (*OsdCsiServer) CreateVolume 

func (s *OsdCsiServer) CreateVolume(
	ctx context.Context,
	req *csi.CreateVolumeRequest,
) (*csi.CreateVolumeResponse, error)

CreateVolume is a CSI API which creates a volume on OSD This function supports snapshots if the parent volume id is supplied in the parameters.

func (*OsdCsiServer) DeleteSnapshot 

func (s *OsdCsiServer) DeleteSnapshot(
	ctx context.Context,
	req *csi.DeleteSnapshotRequest,
) (*csi.DeleteSnapshotResponse, error)

DeleteSnapshot is a CSI implementation to delete a snapshot

func (*OsdCsiServer) DeleteVolume 

func (s *OsdCsiServer) DeleteVolume(
	ctx context.Context,
	req *csi.DeleteVolumeRequest,
) (*csi.DeleteVolumeResponse, error)

DeleteVolume is a CSI API which deletes a volume

func (*OsdCsiServer) GetPluginCapabilities 

func (s *OsdCsiServer) GetPluginCapabilities(
	ctx context.Context,
	req *csi.GetPluginCapabilitiesRequest,
) (*csi.GetPluginCapabilitiesResponse, error)

GetPluginCapabilities is a CSI API

func (*OsdCsiServer) GetPluginInfo 

func (s *OsdCsiServer) GetPluginInfo(
	ctx context.Context,
	req *csi.GetPluginInfoRequest) (*csi.GetPluginInfoResponse, error)

GetPluginInfo is a CSI API which returns the information about the plugin. This includes name, version, and any other OSD specific information

func (*OsdCsiServer) ListSnapshots 

func (s *OsdCsiServer) ListSnapshots(
	ctx context.Context,
	req *csi.ListSnapshotsRequest,
) (*csi.ListSnapshotsResponse, error)

ListSnapshots lists all snapshots in a cluster. This is mainly implemented for Nomad, as Kubernetes will not call list snapshots for drivers which have synchronous snapshot creation. This is because ReadyToUse is set to true immediately upon on our snapshot creation.

func (*OsdCsiServer) NodeGetCapabilities 

func (s *OsdCsiServer) NodeGetCapabilities(
	ctx context.Context,
	req *csi.NodeGetCapabilitiesRequest,
) (*csi.NodeGetCapabilitiesResponse, error)

NodeGetCapabilities is a CSI API function which seems to be setup for future patches

func (*OsdCsiServer) NodeGetInfo 

func (s *OsdCsiServer) NodeGetInfo(
	ctx context.Context,
	req *csi.NodeGetInfoRequest,
) (*csi.NodeGetInfoResponse, error)

func (*OsdCsiServer) NodeGetVolumeStats 

func (s *OsdCsiServer) NodeGetVolumeStats(ctx context.Context, req *csi.NodeGetVolumeStatsRequest) (*csi.NodeGetVolumeStatsResponse, error)

NodeGetVolumeStats get volume stats for a given node. This function skips auth and directly hits the driver as it is read-only and only exposed via the CSI unix domain socket. If a secrets field is added in csi.NodeGetVolumeStatsRequest, we can update this to hit the SDK and use auth.

func (*OsdCsiServer) NodePublishVolume 

func (s *OsdCsiServer) NodePublishVolume(
	ctx context.Context,
	req *csi.NodePublishVolumeRequest,
) (*csi.NodePublishVolumeResponse, error)

NodePublishVolume is a CSI API call which mounts the volume on the specified target path on the node.

TODO: Support READ ONLY Mounts

func (*OsdCsiServer) NodeUnpublishVolume 

func (s *OsdCsiServer) NodeUnpublishVolume(
	ctx context.Context,
	req *csi.NodeUnpublishVolumeRequest,
) (*csi.NodeUnpublishVolumeResponse, error)

NodeUnpublishVolume is a CSI API call which unmounts the volume.

func (*OsdCsiServer) Probe 

func (s *OsdCsiServer) Probe(
	ctx context.Context,
	req *csi.ProbeRequest,
) (*csi.ProbeResponse, error)

Probe is a CSI API

func (*OsdCsiServer) Start 

func (s *OsdCsiServer) Start() error

Start is used to start the server. It will return an error if the server is already running.

func (*OsdCsiServer) Stop 

func (s *OsdCsiServer) Stop()

Start is used to stop the server.

func (*OsdCsiServer) ValidateVolumeCapabilities 

func (s *OsdCsiServer) ValidateVolumeCapabilities(
	ctx context.Context,
	req *csi.ValidateVolumeCapabilitiesRequest,
) (*csi.ValidateVolumeCapabilitiesResponse, error)

ValidateVolumeCapabilities is a CSI API used by container orchestration systems to make sure a volume specification is validiated by the CSI driver.

type OsdCsiServerConfig 

type OsdCsiServerConfig struct {
	Net        string
	Address    string
	DriverName string
	Cluster    cluster.Cluster
	SdkUds     string
	SdkPort    string

	// Name to be reported back to the CO. If not provided,
	// the name will be in the format of <driver>.openstorage.org
	CsiDriverName string

	// EnableInlineVolumes decides whether or not we will allow
	// creation of inline volumes.
	EnableInlineVolumes bool
}

OsdCsiServerConfig provides the configuration to the the gRPC CSI server created by NewOsdCsiServer()

type TimedSDKConn 

type TimedSDKConn struct {
	Conn      *grpc.ClientConn
	LastUsage time.Time
}

TimedSDKConn represents a gRPC connection and the last time it was used

Source Files

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Directories

Path Synopsis
Package csi is CSI driver interface for OSD Copyright 2017 Portworx
 Package csi is CSI driver interface for OSD Copyright 2017 Portworx
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