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/
pullsubscription_conversion.go
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/
pullsubscription_conversion.go
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/*
Copyright 2020 Google LLC
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 v1beta1
import (
"context"
"github.com/google/knative-gcp/pkg/apis/convert"
v1 "github.com/google/knative-gcp/pkg/apis/intevents/v1"
"knative.dev/pkg/apis"
)
// ConvertTo implements apis.Convertible.
// Converts v1alpha1.PullSubscription to a higher version of PullSubscription.
// Currently, we only support v1 as a higher version.
func (source *PullSubscription) ConvertTo(ctx context.Context, to apis.Convertible) error {
switch sink := to.(type) {
case *v1.PullSubscription:
// Since we remove Mode from PullSubscriptionSpec in v1, we silently remove it here.
sink.ObjectMeta = source.ObjectMeta
sink.Spec.PubSubSpec = convert.ToV1PubSubSpec(source.Spec.PubSubSpec)
sink.Spec.Topic = source.Spec.Topic
sink.Spec.AckDeadline = source.Spec.AckDeadline
sink.Spec.RetainAckedMessages = source.Spec.RetainAckedMessages
sink.Spec.RetentionDuration = source.Spec.RetentionDuration
sink.Spec.Transformer = source.Spec.Transformer
sink.Spec.AdapterType = source.Spec.AdapterType
sink.Status.PubSubStatus = convert.ToV1PubSubStatus(source.Status.PubSubStatus)
sink.Status.TransformerURI = source.Status.TransformerURI
sink.Status.SubscriptionID = source.Status.SubscriptionID
return nil
default:
return apis.ConvertToViaProxy(ctx, source, &v1.PullSubscription{}, sink)
}
}
// ConvertFrom implements apis.Convertible.
// Converts obj from a higher version of PullSubscription to v1beta1.PullSubscription.
// Currently, we only support v1 as a higher version.
func (sink *PullSubscription) ConvertFrom(ctx context.Context, from apis.Convertible) error {
switch source := from.(type) {
case *v1.PullSubscription:
sink.ObjectMeta = source.ObjectMeta
sink.Spec.PubSubSpec = convert.FromV1PubSubSpec(source.Spec.PubSubSpec)
sink.Spec.Topic = source.Spec.Topic
sink.Spec.AckDeadline = source.Spec.AckDeadline
sink.Spec.RetainAckedMessages = source.Spec.RetainAckedMessages
sink.Spec.RetentionDuration = source.Spec.RetentionDuration
sink.Spec.Transformer = source.Spec.Transformer
// Since we remove Mode from PullSubscriptionSpec in v1, we treat it as an empty string.
sink.Spec.Mode = ""
sink.Spec.AdapterType = source.Spec.AdapterType
sink.Status.PubSubStatus = convert.FromV1PubSubStatus(source.Status.PubSubStatus)
sink.Status.TransformerURI = source.Status.TransformerURI
sink.Status.SubscriptionID = source.Status.SubscriptionID
return nil
default:
return apis.ConvertFromViaProxy(ctx, source, &v1.PullSubscription{}, sink)
}
}