/
helper.go
72 lines (61 loc) · 2.39 KB
/
helper.go
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// Copyright (c) 2018 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 helper
import (
"fmt"
"github.com/imdario/mergo"
"github.com/metal-stack/gardener-extension-provider-metal/pkg/apis/metal"
)
// FindMachineImage takes a list of machine images and tries to find the first entry
// whose name, version, and zone matches with the given name, version, and zone. If no such entry is
// found then an error will be returned.
func FindMachineImage(machineImages []metal.MachineImage, name, version string) (*metal.MachineImage, error) {
for _, machineImage := range machineImages {
if machineImage.Name == name && machineImage.Version == version {
return &machineImage, nil
}
}
return nil, fmt.Errorf("no machine image with name %q, version %q found", name, version)
}
// MergeIAMConfig merges the one iam config into the other
func MergeIAMConfig(into *metal.IAMConfig, from *metal.IAMConfig) (*metal.IAMConfig, error) {
if into == nil && from == nil {
return nil, nil
}
if from == nil {
copy := *into
return ©, nil
}
if into == nil {
copy := *from
return ©, nil
}
merged := *into
err := mergo.Merge(&merged, from, mergo.WithOverride)
if err != nil {
return nil, err
}
return &merged, nil
}
// FindMetalControlPlane returns the metal control plane from a given cluster spec
func FindMetalControlPlane(cloudProfileConfig *metal.CloudProfileConfig, partition string) (*metal.MetalControlPlane, *metal.Partition, error) {
for _, mcp := range cloudProfileConfig.MetalControlPlanes {
for partitionName, p := range mcp.Partitions {
if partitionName == partition {
return &mcp, &p, nil
}
}
}
return nil, nil, fmt.Errorf("no metal control plane found for partition %s in cloud profile config", partition)
}