/
apiserver_conversion.go
137 lines (110 loc) · 3.89 KB
/
apiserver_conversion.go
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/*
Copyright 2020 The Knative Authors.
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 v1alpha2
import (
"context"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"knative.dev/eventing/pkg/apis/sources/v1beta1"
"knative.dev/pkg/apis"
duckv1 "knative.dev/pkg/apis/duck/v1"
)
// ConvertTo implements apis.Convertible
// Converts source (from v1alpha2.ApiServerSource) into into a higher version.
func (source *ApiServerSource) ConvertTo(ctx context.Context, obj apis.Convertible) error {
switch sink := obj.(type) {
case *v1beta1.ApiServerSource:
// Meta
sink.ObjectMeta = source.ObjectMeta
// Spec
if len(source.Spec.Resources) > 0 {
sink.Spec.Resources = make([]v1beta1.APIVersionKindSelector, len(source.Spec.Resources))
}
for i, v := range source.Spec.Resources {
sink.Spec.Resources[i] = v1beta1.APIVersionKindSelector{
APIVersion: v.APIVersion,
Kind: v.Kind,
}
if v.LabelSelector != nil {
sink.Spec.Resources[i].LabelSelector = &metav1.LabelSelector{}
v.LabelSelector.DeepCopyInto(sink.Spec.Resources[i].LabelSelector)
}
}
sink.Spec.EventMode = source.Spec.EventMode
// Optional Spec
if source.Spec.ResourceOwner != nil {
sink.Spec.ResourceOwner = &v1beta1.APIVersionKind{
Kind: source.Spec.ResourceOwner.Kind,
APIVersion: source.Spec.ResourceOwner.APIVersion,
}
}
var ref *duckv1.KReference
if source.Spec.Sink.Ref != nil {
ref = &duckv1.KReference{
Kind: source.Spec.Sink.Ref.Kind,
Namespace: source.Spec.Sink.Ref.Namespace,
Name: source.Spec.Sink.Ref.Name,
APIVersion: source.Spec.Sink.Ref.APIVersion,
}
}
sink.Spec.Sink = duckv1.Destination{
Ref: ref,
URI: source.Spec.Sink.URI,
}
if source.Spec.CloudEventOverrides != nil {
sink.Spec.CloudEventOverrides = source.Spec.CloudEventOverrides.DeepCopy()
}
sink.Spec.ServiceAccountName = source.Spec.ServiceAccountName
// Status
source.Status.SourceStatus.DeepCopyInto(&sink.Status.SourceStatus)
return nil
default:
return apis.ConvertToViaProxy(ctx, source, &v1beta1.ApiServerSource{}, sink)
}
}
// ConvertFrom implements apis.Convertible
// Converts obj from a higher version into v1alpha2.ApiServerSource.
func (sink *ApiServerSource) ConvertFrom(ctx context.Context, obj apis.Convertible) error {
switch source := obj.(type) {
case *v1beta1.ApiServerSource:
// Meta
sink.ObjectMeta = source.ObjectMeta
// Spec
sink.Spec.EventMode = source.Spec.EventMode
sink.Spec.CloudEventOverrides = source.Spec.CloudEventOverrides
sink.Spec.Sink = source.Spec.Sink
if len(source.Spec.Resources) > 0 {
sink.Spec.Resources = make([]APIVersionKindSelector, len(source.Spec.Resources))
}
for i, v := range source.Spec.Resources {
sink.Spec.Resources[i] = APIVersionKindSelector{}
sink.Spec.Resources[i].APIVersion = v.APIVersion
sink.Spec.Resources[i].Kind = v.Kind
if v.LabelSelector != nil {
sink.Spec.Resources[i].LabelSelector = v.LabelSelector.DeepCopy()
}
}
// Spec Optionals
if source.Spec.ResourceOwner != nil {
sink.Spec.ResourceOwner = &APIVersionKind{
Kind: source.Spec.ResourceOwner.Kind,
APIVersion: source.Spec.ResourceOwner.APIVersion,
}
}
sink.Spec.ServiceAccountName = source.Spec.ServiceAccountName
// Status
source.Status.SourceStatus.DeepCopyInto(&sink.Status.SourceStatus)
return nil
default:
return apis.ConvertFromViaProxy(ctx, source, &v1beta1.ApiServerSource{}, sink)
}
}