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identityserver.go
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identityserver.go
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/**
* Copyright 2019, 2024 IBM Corp.
*
* 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 scale
import (
"context"
"github.com/IBM/ibm-spectrum-scale-csi/driver/csiplugin/utils"
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/golang/protobuf/ptypes/wrappers"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"k8s.io/klog/v2"
)
type ScaleIdentityServer struct {
Driver *ScaleDriver
}
func (is *ScaleIdentityServer) GetPluginCapabilities(ctx context.Context, req *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
return &csi.GetPluginCapabilitiesResponse{
Capabilities: []*csi.PluginCapability{
{
Type: &csi.PluginCapability_Service_{
Service: &csi.PluginCapability_Service{
Type: csi.PluginCapability_Service_CONTROLLER_SERVICE,
},
},
},
},
}, nil
}
func (is *ScaleIdentityServer) Probe(ctx context.Context, req *csi.ProbeRequest) (*csi.ProbeResponse, error) {
loggerId := utils.GetLoggerId(ctx)
klog.V(4).Infof("[%s] Probe called with args: %#v", loggerId, req)
// Node mapping check
scalenodeID := getNodeMapping(is.Driver.nodeID)
klog.V(6).Infof("[%s] Probe: scalenodeID:%s --known as-- k8snodeName: %s", loggerId, scalenodeID, is.Driver.nodeID)
// IsNodeComponentHealthy accepts nodeName as admin node name, daemon node name, etc.
ghealthy, err := is.Driver.connmap["primary"].IsNodeComponentHealthy(ctx, scalenodeID, "GPFS")
if !ghealthy {
// Even gpfs health is unhealthy, success is return because restarting csi driver is not going help fix the issue
klog.Errorf("[%s] Probe: IBM Storage Scale on node %v is unhealthy. Error: %v", loggerId, scalenodeID, err)
return &csi.ProbeResponse{Ready: &wrappers.BoolValue{Value: true}}, nil
}
klog.V(4).Infof("[%s] Probe: IBM Storage Scale on node %v is healthy", loggerId, scalenodeID)
return &csi.ProbeResponse{Ready: &wrappers.BoolValue{Value: true}}, nil
}
func (is *ScaleIdentityServer) GetPluginInfo(ctx context.Context, req *csi.GetPluginInfoRequest) (*csi.GetPluginInfoResponse, error) {
loggerId := utils.GetLoggerId(ctx)
klog.V(4).Infof("[%s] Using default GetPluginInfo", loggerId)
if is.Driver.name == "" {
return nil, status.Error(codes.Unavailable, "Driver name not configured")
}
return &csi.GetPluginInfoResponse{
Name: is.Driver.name,
VendorVersion: is.Driver.vendorVersion,
}, nil
}