mirror of
https://github.com/ceph/ceph-csi.git
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132 lines
3.6 KiB
Go
132 lines
3.6 KiB
Go
/*
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Copyright 2021 The Ceph-CSI 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 rbd
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import (
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"context"
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"github.com/csi-addons/spec/lib/go/identity"
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"google.golang.org/grpc"
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"google.golang.org/protobuf/types/known/wrapperspb"
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"github.com/ceph/ceph-csi/internal/util"
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)
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// IdentityServer struct of rbd CSI driver with supported methods of CSI
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// identity server spec.
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type IdentityServer struct {
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*identity.UnimplementedIdentityServer
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config *util.Config
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}
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// NewIdentityServer creates a new IdentityServer which handles the Identity
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// Service requests from the CSI-Addons specification.
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func NewIdentityServer(config *util.Config) *IdentityServer {
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return &IdentityServer{
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config: config,
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}
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}
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func (is *IdentityServer) RegisterService(server grpc.ServiceRegistrar) {
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identity.RegisterIdentityServer(server, is)
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}
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// GetIdentity returns available capabilities of the rbd driver.
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func (is *IdentityServer) GetIdentity(
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ctx context.Context,
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req *identity.GetIdentityRequest) (*identity.GetIdentityResponse, error) {
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// only include Name and VendorVersion, Manifest is optional
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res := &identity.GetIdentityResponse{
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Name: is.config.DriverName,
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VendorVersion: util.DriverVersion,
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}
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return res, nil
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}
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// GetCapabilities returns available capabilities of the rbd driver.
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func (is *IdentityServer) GetCapabilities(
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ctx context.Context,
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req *identity.GetCapabilitiesRequest) (*identity.GetCapabilitiesResponse, error) {
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// build the list of capabilities, depending on the config
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caps := make([]*identity.Capability, 0)
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if is.config.IsControllerServer {
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// we're running as a CSI Controller service
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caps = append(caps,
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&identity.Capability{
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Type: &identity.Capability_Service_{
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Service: &identity.Capability_Service{
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Type: identity.Capability_Service_CONTROLLER_SERVICE,
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},
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},
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},
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&identity.Capability{
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Type: &identity.Capability_ReclaimSpace_{
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ReclaimSpace: &identity.Capability_ReclaimSpace{
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Type: identity.Capability_ReclaimSpace_OFFLINE,
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},
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},
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}, &identity.Capability{
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Type: &identity.Capability_NetworkFence_{
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NetworkFence: &identity.Capability_NetworkFence{
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Type: identity.Capability_NetworkFence_NETWORK_FENCE,
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},
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},
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})
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}
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if is.config.IsNodeServer {
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// we're running as a CSI node-plugin service
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caps = append(caps,
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&identity.Capability{
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Type: &identity.Capability_Service_{
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Service: &identity.Capability_Service{
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Type: identity.Capability_Service_NODE_SERVICE,
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},
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},
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},
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&identity.Capability{
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Type: &identity.Capability_ReclaimSpace_{
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ReclaimSpace: &identity.Capability_ReclaimSpace{
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Type: identity.Capability_ReclaimSpace_ONLINE,
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},
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},
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})
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}
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res := &identity.GetCapabilitiesResponse{
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Capabilities: caps,
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}
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return res, nil
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}
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// Probe is called by the CO plugin to validate that the CSI-Addons Node is
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// still healthy.
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func (is *IdentityServer) Probe(
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ctx context.Context,
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req *identity.ProbeRequest) (*identity.ProbeResponse, error) {
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// there is nothing that would cause a delay in getting ready
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res := &identity.ProbeResponse{
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Ready: &wrapperspb.BoolValue{Value: true},
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}
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return res, nil
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}
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