mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-19 23:19:52 +00:00
131 lines
3.9 KiB
Go
131 lines
3.9 KiB
Go
/*
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Copyright 2017 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 csicommon
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import (
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"fmt"
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"runtime/debug"
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"strings"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"github.com/kubernetes-csi/csi-lib-utils/protosanitizer"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"k8s.io/klog"
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)
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func parseEndpoint(ep string) (string, string, error) {
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if strings.HasPrefix(strings.ToLower(ep), "unix://") || strings.HasPrefix(strings.ToLower(ep), "tcp://") {
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s := strings.SplitN(ep, "://", 2)
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if s[1] != "" {
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return s[0], s[1], nil
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}
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}
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return "", "", fmt.Errorf("invalid endpoint: %v", ep)
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}
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// NewVolumeCapabilityAccessMode returns volume access mode
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func NewVolumeCapabilityAccessMode(mode csi.VolumeCapability_AccessMode_Mode) *csi.VolumeCapability_AccessMode {
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return &csi.VolumeCapability_AccessMode{Mode: mode}
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}
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// NewDefaultNodeServer initializes default node server
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func NewDefaultNodeServer(d *CSIDriver, t string) *DefaultNodeServer {
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return &DefaultNodeServer{
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Driver: d,
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Type: t,
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}
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}
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// NewDefaultIdentityServer initializes default identity servier
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func NewDefaultIdentityServer(d *CSIDriver) *DefaultIdentityServer {
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return &DefaultIdentityServer{
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Driver: d,
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}
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}
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// NewDefaultControllerServer initializes default controller server
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func NewDefaultControllerServer(d *CSIDriver) *DefaultControllerServer {
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return &DefaultControllerServer{
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Driver: d,
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}
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}
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// NewControllerServiceCapability returns controller capabilities
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func NewControllerServiceCapability(ctrlCap csi.ControllerServiceCapability_RPC_Type) *csi.ControllerServiceCapability {
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return &csi.ControllerServiceCapability{
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Type: &csi.ControllerServiceCapability_Rpc{
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Rpc: &csi.ControllerServiceCapability_RPC{
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Type: ctrlCap,
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},
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},
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}
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}
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// RunNodePublishServer starts node server
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func RunNodePublishServer(endpoint string, d *CSIDriver, ns csi.NodeServer) {
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ids := NewDefaultIdentityServer(d)
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s := NewNonBlockingGRPCServer()
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s.Start(endpoint, ids, nil, ns)
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s.Wait()
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}
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// RunControllerPublishServer starts controller server
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func RunControllerPublishServer(endpoint string, d *CSIDriver, cs csi.ControllerServer) {
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ids := NewDefaultIdentityServer(d)
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s := NewNonBlockingGRPCServer()
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s.Start(endpoint, ids, cs, nil)
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s.Wait()
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}
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// RunControllerandNodePublishServer starts both controller and node server
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func RunControllerandNodePublishServer(endpoint string, d *CSIDriver, cs csi.ControllerServer, ns csi.NodeServer) {
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ids := NewDefaultIdentityServer(d)
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s := NewNonBlockingGRPCServer()
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s.Start(endpoint, ids, cs, ns)
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s.Wait()
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}
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func logGRPC(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
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klog.V(3).Infof("GRPC call: %s", info.FullMethod)
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klog.V(5).Infof("GRPC request: %s", protosanitizer.StripSecrets(req))
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resp, err := handler(ctx, req)
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if err != nil {
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klog.Errorf("GRPC error: %v", err)
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} else {
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klog.V(5).Infof("GRPC response: %s", protosanitizer.StripSecrets(resp))
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}
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return resp, err
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}
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func panicHandler(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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defer func() {
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if r := recover(); r != nil {
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klog.Errorf("panic occurred: %v", r)
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debug.PrintStack()
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err = status.Errorf(codes.Internal, "panic %v", r)
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}
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}()
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return handler(ctx, req)
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}
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