github.com/jingruilea/kubeedge@v1.2.0-beta.0.0.20200410162146-4bb8902b3879/cloud/pkg/csidriver/identityserver.go (about)

     1  /*
     2  Copyright 2019 The KubeEdge Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package csidriver
    18  
    19  import (
    20  	"github.com/container-storage-interface/spec/lib/go/csi"
    21  	"golang.org/x/net/context"
    22  	"google.golang.org/grpc/codes"
    23  	"google.golang.org/grpc/status"
    24  	"k8s.io/klog"
    25  )
    26  
    27  type identityServer struct {
    28  	name    string
    29  	version string
    30  }
    31  
    32  // newIdentityServer creates identity server
    33  func newIdentityServer(name, version string) *identityServer {
    34  	return &identityServer{
    35  		name:    name,
    36  		version: version,
    37  	}
    38  }
    39  
    40  func (ids *identityServer) GetPluginInfo(ctx context.Context, req *csi.GetPluginInfoRequest) (*csi.GetPluginInfoResponse, error) {
    41  	klog.V(4).Info("using default GetPluginInfo")
    42  
    43  	if ids.name == "" {
    44  		return nil, status.Error(codes.Unavailable, "driver name not configured")
    45  	}
    46  
    47  	if ids.version == "" {
    48  		return nil, status.Error(codes.Unavailable, "driver is missing version")
    49  	}
    50  
    51  	return &csi.GetPluginInfoResponse{
    52  		Name:          ids.name,
    53  		VendorVersion: ids.version,
    54  	}, nil
    55  }
    56  
    57  func (ids *identityServer) Probe(ctx context.Context, req *csi.ProbeRequest) (*csi.ProbeResponse, error) {
    58  	return &csi.ProbeResponse{}, nil
    59  }
    60  
    61  func (ids *identityServer) GetPluginCapabilities(ctx context.Context, req *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
    62  	klog.V(4).Info("using default capabilities")
    63  	return &csi.GetPluginCapabilitiesResponse{
    64  		Capabilities: []*csi.PluginCapability{
    65  			{
    66  				Type: &csi.PluginCapability_Service_{
    67  					Service: &csi.PluginCapability_Service{
    68  						Type: csi.PluginCapability_Service_CONTROLLER_SERVICE,
    69  					},
    70  				},
    71  			},
    72  		},
    73  	}, nil
    74  }