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extractor.go
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/
extractor.go
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// SPDX-FileCopyrightText: 2023 The Crossplane Authors <https://crossplane.io>
//
// SPDX-License-Identifier: Apache-2.0
package resource
import (
"github.com/crossplane/crossplane-runtime/pkg/fieldpath"
xpref "github.com/crossplane/crossplane-runtime/pkg/reference"
xpresource "github.com/crossplane/crossplane-runtime/pkg/resource"
)
// ExtractResourceID extracts the value of `status.atProvider.id`
// from a Terraformed resource. If mr is not a Terraformed
// resource, returns an empty string.
func ExtractResourceID() xpref.ExtractValueFn {
return func(mr xpresource.Managed) string {
tr, ok := mr.(Terraformed)
if !ok {
return ""
}
return tr.GetID()
}
}
// ExtractParamPath extracts the value of `sourceAttr`
// from `spec.forProvider` allowing nested parameters.
// If `isObservation` is set, then referenced param
// is retrieved from the status, if not, it's extracted
// from the spec.
// An example argument to ExtractParamPath is
// `key`, if `spec.forProvider.key` is to be extracted
// from the referred resource.
func ExtractParamPath(sourceAttr string, isObservation bool) xpref.ExtractValueFn {
return func(mr xpresource.Managed) string {
tr, ok := mr.(Terraformed)
if !ok {
return ""
}
var params map[string]any
var err error
if isObservation {
params, err = tr.GetObservation()
} else {
params, err = tr.GetParameters()
}
// TODO: we had better log the error
if err != nil {
return ""
}
paved := fieldpath.Pave(params)
v, err := paved.GetString(sourceAttr)
// TODO: we had better log the error
if err != nil {
return ""
}
return v
}
}