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image.go
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image.go
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/*
* Copyright 2018-2019, CS Systemes d'Information, http://www.c-s.fr
*
* 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 listeners
import (
"context"
"github.com/sirupsen/logrus"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
pb "github.com/CS-SI/SafeScale/lib"
"github.com/CS-SI/SafeScale/lib/server/handlers"
conv "github.com/CS-SI/SafeScale/lib/server/utils"
srvutils "github.com/CS-SI/SafeScale/lib/server/utils"
"github.com/CS-SI/SafeScale/lib/utils/concurrency"
"github.com/CS-SI/SafeScale/lib/utils/scerr"
)
// ImageHandler ...
var ImageHandler = handlers.NewImageHandler
// safescale image list --all=false
//ImageListener image service server grpc
type ImageListener struct{}
// List available images
func (s *ImageListener) List(ctx context.Context, in *pb.ImageListRequest) (il *pb.ImageList, err error) {
if s == nil {
return nil, status.Errorf(codes.FailedPrecondition, scerr.InvalidInstanceError().Error())
}
tracer := concurrency.NewTracer(nil, "", true).WithStopwatch().GoingIn()
defer tracer.OnExitTrace()()
defer scerr.OnExitLogError(tracer.TraceMessage(""), &err)()
ctx, cancelFunc := context.WithCancel(ctx)
if err := srvutils.JobRegister(ctx, cancelFunc, "List Images"); err == nil {
defer srvutils.JobDeregister(ctx)
}
tenant := GetCurrentTenant()
if tenant == nil {
logrus.Info("Can't list images: no tenant set")
return nil, status.Errorf(codes.FailedPrecondition, "cannot list images: no tenant set")
}
handler := ImageHandler(currentTenant.Service)
images, err := handler.List(ctx, in.GetAll())
if err != nil {
return nil, status.Errorf(codes.Internal, err.Error())
}
// Map resources.Image to pb.Image
var pbImages []*pb.Image
for _, image := range images {
pbImages = append(pbImages, conv.ToPBImage(&image))
}
rv := &pb.ImageList{Images: pbImages}
return rv, nil
}