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requirements.go
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requirements.go
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// Copyright 2022 Fraunhofer AISEC
//
// 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.
//
// $$\ $$\ $$\ $$\
// $$ | $$ |\__| $$ |
// $$$$$$$\ $$ | $$$$$$\ $$\ $$\ $$$$$$$ |$$\ $$$$$$\ $$$$$$\ $$$$$$\
// $$ _____|$$ |$$ __$$\ $$ | $$ |$$ __$$ |$$ |\_$$ _| $$ __$$\ $$ __$$\
// $$ / $$ |$$ / $$ |$$ | $$ |$$ / $$ |$$ | $$ | $$ / $$ |$$ | \__|
// $$ | $$ |$$ | $$ |$$ | $$ |$$ | $$ |$$ | $$ |$$\ $$ | $$ |$$ |
// \$$$$$$\ $$ |\$$$$$ |\$$$$$ |\$$$$$$ |$$ | \$$$ |\$$$$$ |$$ |
// \_______|\__| \______/ \______/ \_______|\__| \____/ \______/ \__|
//
// This file is part of Clouditor Community Edition.
package orchestrator
import (
"context"
"encoding/json"
"fmt"
"clouditor.io/clouditor/api/orchestrator"
"clouditor.io/clouditor/service"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// LoadRequirements loads requirements definitions from a JSON file.
func LoadRequirements(file string) (requirements []*orchestrator.Requirement, err error) {
var (
b []byte
)
log.Infof("Loading requirements from %s", file)
b, err = f.ReadFile(file)
if err != nil {
return nil, fmt.Errorf("error while loading %s: %w", file, err)
}
err = json.Unmarshal(b, &requirements)
if err != nil {
return nil, fmt.Errorf("error in JSON marshal: %w", err)
}
return requirements, nil
}
// ListRequirements is a method implementation of the OrchestratorServer interface,
// returning a list of requirements
func (svc *Service) ListRequirements(_ context.Context, req *orchestrator.ListRequirementsRequest) (res *orchestrator.ListRequirementsResponse, err error) {
res = new(orchestrator.ListRequirementsResponse)
// Paginate the requirements according to the request
res.Requirements, res.NextPageToken, err = service.PaginateSlice(req, svc.requirements, service.DefaultPaginationOpts)
if err != nil {
return nil, status.Errorf(codes.Internal, "could not paginate requirements: %v", err)
}
return
}