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ceph-csi/internal/csi-addons/cephfs/identity.go
Riya Singhal 6b0c412996 cephfs: add network fence service to identity.go
Signed-off-by: Riya Singhal <rsinghal@redhat.com>
2023-10-24 16:36:41 +00:00

109 lines
3.0 KiB
Go

/*
Copyright 2023 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 cephfs
import (
"context"
"github.com/csi-addons/spec/lib/go/identity"
"google.golang.org/grpc"
"google.golang.org/protobuf/types/known/wrapperspb"
"github.com/ceph/ceph-csi/internal/util"
)
// IdentityServer struct of ceph CSI driver with supported methods of CSI
// identity server spec.
type IdentityServer struct {
*identity.UnimplementedIdentityServer
config *util.Config
}
// NewIdentityServer creates a new IdentityServer which handles the Identity
// Service requests from the CSI-Addons specification.
func NewIdentityServer(config *util.Config) *IdentityServer {
return &IdentityServer{
config: config,
}
}
func (is *IdentityServer) RegisterService(server grpc.ServiceRegistrar) {
identity.RegisterIdentityServer(server, is)
}
// GetIdentity returns available capabilities of the ceph driver.
func (is *IdentityServer) GetIdentity(
ctx context.Context,
req *identity.GetIdentityRequest,
) (*identity.GetIdentityResponse, error) {
// only include Name and VendorVersion, Manifest is optional
res := &identity.GetIdentityResponse{
Name: is.config.DriverName,
VendorVersion: util.DriverVersion,
}
return res, nil
}
// GetCapabilities returns available capabilities of the ceph driver.
func (is *IdentityServer) GetCapabilities(
ctx context.Context,
req *identity.GetCapabilitiesRequest,
) (*identity.GetCapabilitiesResponse, error) {
// build the list of capabilities, depending on the config
caps := make([]*identity.Capability, 0)
if is.config.IsControllerServer {
// we're running as a CSI Controller service
caps = append(caps,
&identity.Capability{
Type: &identity.Capability_Service_{
Service: &identity.Capability_Service{
Type: identity.Capability_Service_CONTROLLER_SERVICE,
},
},
}, &identity.Capability{
Type: &identity.Capability_NetworkFence_{
NetworkFence: &identity.Capability_NetworkFence{
Type: identity.Capability_NetworkFence_NETWORK_FENCE,
},
},
})
}
res := &identity.GetCapabilitiesResponse{
Capabilities: caps,
}
return res, nil
}
// Probe is called by the CO plugin to validate that the CSI-Addons Node is
// still healthy.
func (is *IdentityServer) Probe(
ctx context.Context,
req *identity.ProbeRequest,
) (*identity.ProbeResponse, error) {
// there is nothing that would cause a delay in getting ready
res := &identity.ProbeResponse{
Ready: &wrapperspb.BoolValue{Value: true},
}
return res, nil
}