mirror of
https://github.com/ceph/ceph-csi.git
synced 2025-06-13 02:33:34 +00:00
WIP cephfs CSI plugin
This commit is contained in:
gman
104
pkg/cephfs/cephfs.go
Normal file
104
pkg/cephfs/cephfs.go
Normal file
@ -0,0 +1,104 @@
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/*
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Copyright 2018 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.
|
||||
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
|
||||
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 cephfs
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import (
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"github.com/golang/glog"
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"github.com/container-storage-interface/spec/lib/go/csi"
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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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PluginFolder = "/var/lib/kubelet/plugins/cephfsplugin"
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)
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type cephfsDriver 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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caps []*csi.VolumeCapability_AccessMode
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cscaps []*csi.ControllerServiceCapability
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}
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var (
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provisionRoot = "/cephfs"
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driver *cephfsDriver
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version = csi.Version{
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Minor: 1,
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}
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)
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func GetSupportedVersions() []*csi.Version {
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return []*csi.Version{&version}
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}
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func NewCephFSDriver() *cephfsDriver {
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return &cephfsDriver{}
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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 (fs *cephfsDriver) Run(driverName, nodeId, endpoint string) {
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glog.Infof("Driver: %v version: %v", driverName, GetVersionString(&version))
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// Initialize default library driver
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fs.driver = csicommon.NewCSIDriver(driverName, &version, GetSupportedVersions(), nodeId)
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if fs.driver == nil {
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glog.Fatalln("Failed to initialize CSI driver")
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}
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fs.driver.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{
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csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME,
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csi.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME,
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})
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fs.driver.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{
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csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
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})
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// Create gRPC servers
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fs.ids = NewIdentityServer(fs.driver)
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fs.ns = NewNodeServer(fs.driver)
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fs.cs = NewControllerServer(fs.driver)
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server := csicommon.NewNonBlockingGRPCServer()
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server.Start(endpoint, fs.ids, fs.cs, fs.ns)
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server.Wait()
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}
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158
pkg/cephfs/controllerserver.go
Normal file
158
pkg/cephfs/controllerserver.go
Normal file
@ -0,0 +1,158 @@
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/*
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Copyright 2018 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 cephfs
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import (
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"fmt"
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"os"
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"path"
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"github.com/golang/glog"
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"golang.org/x/net/context"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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)
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type controllerServer struct {
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*csicommon.DefaultControllerServer
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}
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const (
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oneGB = 1073741824
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)
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func GetVersionString(v *csi.Version) string {
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return fmt.Sprintf("%d.%d.%d", v.GetMajor(), v.GetMinor(), v.GetPatch())
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}
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func (cs *controllerServer) validateRequest(v *csi.Version) error {
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if v == nil {
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return status.Error(codes.InvalidArgument, "Version missing in request")
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}
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return cs.Driver.ValidateControllerServiceRequest(v, csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME)
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}
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func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
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if err := cs.validateRequest(req.Version); err != nil {
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glog.Warningf("invalid create volume request: %v", req)
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return nil, err
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}
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// Configuration
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volOptions, err := newVolumeOptions(req.GetParameters())
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if err != nil {
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return nil, err
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}
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volId := newVolumeIdentifier(volOptions, req)
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volSz := int64(oneGB)
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if req.GetCapacityRange() != nil {
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volSz = int64(req.GetCapacityRange().GetRequiredBytes())
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}
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if err := createMountPoint(provisionRoot); err != nil {
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glog.Errorf("failed to create provision root at %s: %v", provisionRoot, err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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// Exec ceph-fuse only if cephfs has not been not mounted yet
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isMnt, err := isMountPoint(provisionRoot)
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if err != nil {
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glog.Errorf("stat failed: %v", err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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if !isMnt {
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if err = mountFuse(provisionRoot); err != nil {
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glog.Error(err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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}
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// Create a new directory inside the provision root for bind-mounting done by NodePublishVolume
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volPath := path.Join(provisionRoot, volId.id)
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if err := os.Mkdir(volPath, 0750); err != nil {
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glog.Errorf("failed to create volume %s: %v", volPath, err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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// Set attributes & quotas
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if err = setVolAttributes(volPath, volSz); err != nil {
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glog.Errorf("failed to set attributes for volume %s: %v", volPath, err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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glog.V(4).Infof("cephfs: created volume %s", volPath)
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return &csi.CreateVolumeResponse{
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VolumeInfo: &csi.VolumeInfo{
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Id: volId.id,
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CapacityBytes: uint64(volSz),
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Attributes: req.GetParameters(),
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},
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}, nil
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}
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func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error) {
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if err := cs.validateRequest(req.Version); err != nil {
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glog.Warningf("invalid delete volume request: %v", req)
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return nil, err
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}
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volId := req.GetVolumeId()
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volPath := path.Join(provisionRoot, volId)
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glog.V(4).Infof("deleting volume %s", volPath)
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if err := deleteVolumePath(volPath); err != nil {
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glog.Errorf("failed to delete volume %s: %v", volPath, err)
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return nil, err
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}
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return &csi.DeleteVolumeResponse{}, nil
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}
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func (cs *controllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {
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res := &csi.ValidateVolumeCapabilitiesResponse{}
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for _, capability := range req.VolumeCapabilities {
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if capability.GetAccessMode().GetMode() != csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER {
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return res, nil
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}
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}
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res.Supported = true
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return res, nil
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}
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func (cs *controllerServer) ControllerPublishVolume(ctx context.Context, req *csi.ControllerPublishVolumeRequest) (*csi.ControllerPublishVolumeResponse, error) {
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return &csi.ControllerPublishVolumeResponse{}, nil
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}
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func (cs *controllerServer) ControllerUnpublishVolume(ctx context.Context, req *csi.ControllerUnpublishVolumeRequest) (*csi.ControllerUnpublishVolumeResponse, error) {
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return &csi.ControllerUnpublishVolumeResponse{}, nil
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}
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25
pkg/cephfs/identityserver.go
Normal file
25
pkg/cephfs/identityserver.go
Normal file
@ -0,0 +1,25 @@
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/*
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Copyright 2018 The Kubernetes Authors.
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||||
|
||||
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 cephfs
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|
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import (
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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)
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type identityServer struct {
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*csicommon.DefaultIdentityServer
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}
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144
pkg/cephfs/nodeserver.go
Normal file
144
pkg/cephfs/nodeserver.go
Normal file
@ -0,0 +1,144 @@
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/*
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||||
Copyright 2018 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 cephfs
|
||||
|
||||
import (
|
||||
"context"
|
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"path"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"google.golang.org/grpc/codes"
|
||||
"google.golang.org/grpc/status"
|
||||
|
||||
"github.com/container-storage-interface/spec/lib/go/csi"
|
||||
"github.com/kubernetes-csi/drivers/pkg/csi-common"
|
||||
"k8s.io/kubernetes/pkg/util/keymutex"
|
||||
"k8s.io/kubernetes/pkg/util/mount"
|
||||
)
|
||||
|
||||
type nodeServer struct {
|
||||
*csicommon.DefaultNodeServer
|
||||
}
|
||||
|
||||
var nsMtx = keymutex.NewKeyMutex()
|
||||
|
||||
func validateNodePublishVolumeRequest(req *csi.NodePublishVolumeRequest) error {
|
||||
if req.GetVersion() == nil {
|
||||
return status.Error(codes.InvalidArgument, "Version missing in request")
|
||||
}
|
||||
|
||||
if req.GetVolumeCapability() == nil {
|
||||
return status.Error(codes.InvalidArgument, "Volume capability missing in request")
|
||||
}
|
||||
|
||||
if req.GetVolumeId() == "" {
|
||||
return status.Error(codes.InvalidArgument, "Volume ID missing in request")
|
||||
}
|
||||
|
||||
if req.GetTargetPath() == "" {
|
||||
return status.Error(codes.InvalidArgument, "Target path missing in request")
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func validateNodeUnpublishVolumeRequest(req *csi.NodeUnpublishVolumeRequest) error {
|
||||
if req.GetVersion() == nil {
|
||||
return status.Error(codes.InvalidArgument, "Version missing in request")
|
||||
}
|
||||
|
||||
if req.GetVolumeId() == "" {
|
||||
return status.Error(codes.InvalidArgument, "Volume ID missing in request")
|
||||
}
|
||||
|
||||
if req.GetTargetPath() == "" {
|
||||
return status.Error(codes.InvalidArgument, "Target path missing in request")
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
|
||||
if err := validateNodePublishVolumeRequest(req); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Configuration
|
||||
|
||||
volId := req.GetVolumeId()
|
||||
targetPath := req.GetTargetPath()
|
||||
|
||||
if err := tryLock(volId, nsMtx, "NodeServer"); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer nsMtx.UnlockKey(volId)
|
||||
|
||||
if err := createMountPoint(targetPath); err != nil {
|
||||
glog.Errorf("failed to create mount point at %s: %v", targetPath, err)
|
||||
return nil, status.Error(codes.Internal, err.Error())
|
||||
}
|
||||
|
||||
// Check if the volume is already mounted
|
||||
|
||||
isMnt, err := isMountPoint(targetPath)
|
||||
|
||||
if err != nil {
|
||||
glog.Errorf("stat failed: %v", err)
|
||||
return nil, status.Error(codes.Internal, err.Error())
|
||||
}
|
||||
|
||||
if isMnt {
|
||||
return &csi.NodePublishVolumeResponse{}, nil
|
||||
}
|
||||
|
||||
// It's not, do the bind-mount now
|
||||
|
||||
options := []string{"bind"}
|
||||
if req.GetReadonly() {
|
||||
options = append(options, "ro")
|
||||
}
|
||||
|
||||
volPath := path.Join(provisionRoot, req.GetVolumeId())
|
||||
if err := mount.New("").Mount(volPath, targetPath, "", options); err != nil {
|
||||
glog.Errorf("bind-mounting %s to %s failed: %v", volPath, targetPath, err)
|
||||
return nil, status.Error(codes.Internal, err.Error())
|
||||
}
|
||||
|
||||
glog.V(4).Infof("cephfs: volume %s successfuly mounted to %s", volPath, targetPath)
|
||||
|
||||
return &csi.NodePublishVolumeResponse{}, nil
|
||||
}
|
||||
|
||||
func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
|
||||
if err := validateNodeUnpublishVolumeRequest(req); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
volId := req.GetVolumeId()
|
||||
targetPath := req.GetTargetPath()
|
||||
|
||||
if err := tryLock(volId, nsMtx, "NodeServer"); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer nsMtx.UnlockKey(volId)
|
||||
|
||||
if err := mount.New("").Unmount(targetPath); err != nil {
|
||||
return nil, status.Error(codes.Internal, err.Error())
|
||||
}
|
||||
|
||||
return &csi.NodeUnpublishVolumeResponse{}, nil
|
||||
}
|
||||
56
pkg/cephfs/util.go
Normal file
56
pkg/cephfs/util.go
Normal file
@ -0,0 +1,56 @@
|
||||
/*
|
||||
Copyright 2018 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 cephfs
|
||||
|
||||
import (
|
||||
// "fmt"
|
||||
"os/exec"
|
||||
|
||||
"google.golang.org/grpc/codes"
|
||||
"google.golang.org/grpc/status"
|
||||
|
||||
"k8s.io/kubernetes/pkg/util/keymutex"
|
||||
"k8s.io/kubernetes/pkg/util/mount"
|
||||
)
|
||||
|
||||
func execCommand(command string, args ...string) ([]byte, error) {
|
||||
cmd := exec.Command(command, args...)
|
||||
return cmd.CombinedOutput()
|
||||
}
|
||||
|
||||
func isMountPoint(p string) (bool, error) {
|
||||
notMnt, err := mount.New("").IsLikelyNotMountPoint(p)
|
||||
if err != nil {
|
||||
return false, status.Error(codes.Internal, err.Error())
|
||||
}
|
||||
|
||||
return !notMnt, nil
|
||||
}
|
||||
|
||||
func tryLock(id string, mtx keymutex.KeyMutex, name string) error {
|
||||
// TODO uncomment this once TryLockKey gets into Kubernetes
|
||||
/*
|
||||
if !mtx.TryLockKey(id) {
|
||||
msg := fmt.Sprintf("%s has a pending operation on %s", name, req.GetVolumeId())
|
||||
glog.Infoln(msg)
|
||||
|
||||
return status.Error(codes.Aborted, msg)
|
||||
}
|
||||
*/
|
||||
|
||||
return nil
|
||||
}
|
||||
58
pkg/cephfs/volume.go
Normal file
58
pkg/cephfs/volume.go
Normal file
@ -0,0 +1,58 @@
|
||||
/*
|
||||
Copyright 2018 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 cephfs
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
)
|
||||
|
||||
func createMountPoint(root string) error {
|
||||
return os.MkdirAll(root, 0750)
|
||||
}
|
||||
|
||||
func deleteVolumePath(volPath string) error {
|
||||
return os.RemoveAll(volPath)
|
||||
}
|
||||
|
||||
func mountFuse(root string) error {
|
||||
out, err := execCommand("ceph-fuse", root)
|
||||
if err != nil {
|
||||
return fmt.Errorf("cephfs: ceph-fuse failed with following error: %v\ncephfs: ceph-fuse output: %s", err, out)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func unmountFuse(root string) error {
|
||||
out, err := execCommand("fusermount", "-u", root)
|
||||
if err != nil {
|
||||
return fmt.Errorf("cephfs: fusermount failed with following error: %v\ncephfs: fusermount output: %s", err, out)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func setVolAttributes(volPath string /*opts *fsVolumeOptions*/, maxBytes int64) error {
|
||||
out, err := execCommand("setfattr", "-n", "ceph.quota.max_bytes",
|
||||
"-v", fmt.Sprintf("%d", maxBytes), volPath)
|
||||
if err != nil {
|
||||
return fmt.Errorf("cephfs: setfattr failed with following error: %v\ncephfs: setfattr output: %s", err, out)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
41
pkg/cephfs/volumeidentifier.go
Normal file
41
pkg/cephfs/volumeidentifier.go
Normal file
@ -0,0 +1,41 @@
|
||||
/*
|
||||
Copyright 2018 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 cephfs
|
||||
|
||||
import (
|
||||
"github.com/container-storage-interface/spec/lib/go/csi"
|
||||
"github.com/pborman/uuid"
|
||||
)
|
||||
|
||||
type volumeIdentifier struct {
|
||||
name, uuid, id string
|
||||
}
|
||||
|
||||
func newVolumeIdentifier(volOptions *volumeOptions, req *csi.CreateVolumeRequest) *volumeIdentifier {
|
||||
volId := volumeIdentifier{
|
||||
name: req.GetName(),
|
||||
uuid: uuid.NewUUID().String(),
|
||||
}
|
||||
|
||||
volId.id = "csi-rbd-" + volId.uuid
|
||||
|
||||
if volId.name == "" {
|
||||
volId.name = volOptions.Pool + "-dynamic-pvc-" + volId.uuid
|
||||
}
|
||||
|
||||
return &volId
|
||||
}
|
||||
63
pkg/cephfs/volumeoptions.go
Normal file
63
pkg/cephfs/volumeoptions.go
Normal file
@ -0,0 +1,63 @@
|
||||
/*
|
||||
Copyright 2018 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 cephfs
|
||||
|
||||
import "errors"
|
||||
|
||||
type volumeOptions struct {
|
||||
VolName string `json:"volName"`
|
||||
Monitor string `json:"monitor"`
|
||||
Pool string `json:"pool"`
|
||||
AdminId string `json:"adminID"`
|
||||
AdminSecret string `json:"adminSecret"`
|
||||
}
|
||||
|
||||
func extractOption(dest *string, optionLabel string, options map[string]string) error {
|
||||
if opt, ok := options[optionLabel]; !ok {
|
||||
return errors.New("Missing required parameter " + optionLabel)
|
||||
} else {
|
||||
*dest = opt
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func newVolumeOptions(volOptions map[string]string) (*volumeOptions, error) {
|
||||
var opts volumeOptions
|
||||
// XXX early return - we're not reading credentials from volOptions for now...
|
||||
// i'll finish this once ceph-fuse accepts passing credentials through cmd args
|
||||
return &opts, nil
|
||||
|
||||
/*
|
||||
if err := extractOption(&opts.AdminId, "adminID", volOptions); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if err := extractOption(&opts.AdminSecret, "adminSecret", volOptions); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if err := extractOption(&opts.Monitors, "monitors", volOptions); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if err := extractOption(&opts.Pool, "pool", volOptions); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &opts, nil
|
||||
*/
|
||||
}
|
||||
Reference in New Issue
Block a user