Peter Kurfer
0014927ca9
- support both s3 & file storage backends - support imgproxy to scale images - manually tested with MinIO & local storage - fixed service discovery issue in APIGatey reconciler not detecting service changes - refactored defaults and env variable code to make it manageable again - add repo link to docs
148 lines
3.4 KiB
Go
148 lines
3.4 KiB
Go
/*
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Copyright 2025 Peter Kurfer.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"context"
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"hash/fnv"
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"maps"
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"reflect"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/types"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/handler"
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"sigs.k8s.io/controller-runtime/pkg/log"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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"code.icb4dc0.de/prskr/supabase-operator/api"
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)
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func ptrOf[T any](val T) *T {
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return &val
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}
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func boolValueOf(ptr *bool) bool {
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if ptr == nil {
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return false
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}
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return *ptr
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}
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func MergeLabels(source map[string]string, toAppend ...map[string]string) map[string]string {
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result := make(map[string]string, len(source)+len(toAppend))
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maps.Copy(result, source)
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for _, additionalLabels := range toAppend {
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for k, v := range additionalLabels {
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if _, exists := result[k]; exists {
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continue
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}
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result[k] = v
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}
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}
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return result
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}
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func MergeEnv(source []corev1.EnvVar, toAppend ...corev1.EnvVar) []corev1.EnvVar {
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existingKeys := make(map[string]bool, len(source)+len(toAppend))
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merged := append(make([]corev1.EnvVar, 0, len(source)+len(toAppend)), source...)
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for _, v := range source {
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existingKeys[v.Name] = true
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}
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for _, v := range toAppend {
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if _, alreadyPresent := existingKeys[v.Name]; alreadyPresent {
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continue
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}
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merged = append(merged, v)
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existingKeys[v.Name] = true
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}
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return merged
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}
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func ValueOrFallback[T any](value, fallback T) T {
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rval := reflect.ValueOf(value)
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if rval.IsZero() {
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return fallback
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}
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return value
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}
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func HashStrings(vals ...string) []byte {
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h := fnv.New64a()
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for _, v := range vals {
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h.Write([]byte(v))
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}
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return h.Sum(nil)
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}
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func HashBytes(vals ...[]byte) []byte {
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h := fnv.New64a()
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for _, v := range vals {
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h.Write(v)
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}
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return h.Sum(nil)
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}
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func FieldSelectorEventHandler[TItem metav1.Object, TList api.ObjectList[TItem]](
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cli client.Client,
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fieldSelector string,
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) handler.TypedEventHandler[client.Object, reconcile.Request] {
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return handler.EnqueueRequestsFromMapFunc(func(ctx context.Context, obj client.Object) []reconcile.Request {
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var (
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list TList
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selectorInstance = client.MatchingFieldsSelector{
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Selector: fields.OneTermEqualSelector(fieldSelector, obj.GetName()),
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}
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logger = log.FromContext(ctx, "object", obj.GetName(), "namespace", obj.GetNamespace())
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)
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list = reflect.New(reflect.TypeOf(list).Elem()).Interface().(TList)
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if err := cli.List(ctx, list, selectorInstance, client.InNamespace(obj.GetNamespace())); err != nil {
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logger.Error(err, "could not list items for field selector event handler")
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return nil
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}
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requests := make([]reconcile.Request, 0)
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for item := range list.Iter() {
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requests = append(requests, reconcile.Request{
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NamespacedName: types.NamespacedName{
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Name: item.GetName(),
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Namespace: obj.GetNamespace(),
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},
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})
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}
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return requests
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})
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}
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