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params.go
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params.go
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// Copyright 2021 VMware
//
// 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 templates
import (
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"github.com/vmware-tanzu/cartographer/pkg/apis/v1alpha1"
)
type Params map[string]apiextensionsv1.JSON
func ParamsBuilder(
templateParams []v1alpha1.TemplateParam,
blueprintParams []v1alpha1.BlueprintParam,
resourceParams []v1alpha1.BlueprintParam,
ownerParams []v1alpha1.OwnerParam,
) Params {
newParams := Params{}
for _, param := range templateParams {
newParams[param.Name] = param.DefaultValue
}
protectedFromOwnerOverride := make(map[string]bool)
for _, blueprintOverride := range blueprintParams {
key := blueprintOverride.Name
if blueprintOverride.Value != nil {
newParams[key] = *blueprintOverride.Value
protectedFromOwnerOverride[key] = true
} else {
newParams[key] = *blueprintOverride.DefaultValue
protectedFromOwnerOverride[key] = false
}
}
for _, resourceOverride := range resourceParams {
key := resourceOverride.Name
if resourceOverride.Value != nil {
newParams[key] = *resourceOverride.Value
protectedFromOwnerOverride[key] = true
} else {
newParams[key] = *resourceOverride.DefaultValue
protectedFromOwnerOverride[key] = false
}
}
for _, ownerOverride := range ownerParams {
key := ownerOverride.Name
if ownerCanOverride(protectedFromOwnerOverride, key) {
newParams[key] = ownerOverride.Value
}
}
return newParams
}
func ownerCanOverride(isProtected map[string]bool, key string) bool {
protected, written := isProtected[key]
return !written || !protected
}