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Merge pull request #19 from amazeeio/add-controller
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| /* | ||
| 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 controllers | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
|
|
||
| "github.com/amazeeio/aergia-controller/handlers/idler" | ||
| "github.com/amazeeio/aergia-controller/handlers/unidler" | ||
| "github.com/go-logr/logr" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
|
|
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| corev1 "k8s.io/api/core/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| ) | ||
|
|
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| // IdlingReconciler reconciles idling | ||
| type IdlingReconciler struct { | ||
| client.Client | ||
| Log logr.Logger | ||
| Scheme *runtime.Scheme | ||
| Idler *idler.Idler | ||
| Unidler *unidler.Unidler | ||
| } | ||
|
|
||
| // all the things | ||
| // +kubebuilder:rbac:groups=*,resources=*,verbs=* | ||
|
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| func (r *IdlingReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { | ||
| opLog := r.Log.WithValues("idler", req.NamespacedName) | ||
|
|
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| var namespace corev1.Namespace | ||
| if err := r.Get(ctx, req.NamespacedName, &namespace); err != nil { | ||
| return ctrl.Result{}, ignoreNotFound(err) | ||
| } | ||
|
|
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| if val, ok := namespace.ObjectMeta.Labels["idling.amazee.io/force-scaled"]; ok && val == "true" { | ||
| opLog.Info(fmt.Sprintf("Force scaling environment %s", namespace.Name)) | ||
| r.Idler.KubernetesServiceIdler(ctx, opLog, namespace, namespace.ObjectMeta.Labels[r.Idler.Selectors.NamespaceSelectorsLabels.ProjectName], false, true) | ||
| nsMergePatch, _ := json.Marshal(map[string]interface{}{ | ||
| "metadata": map[string]interface{}{ | ||
| "labels": map[string]*string{ | ||
| "idling.amazee.io/force-scaled": nil, | ||
| }, | ||
| }, | ||
| }) | ||
| if err := r.Patch(ctx, &namespace, client.RawPatch(types.MergePatchType, nsMergePatch)); err != nil { | ||
| // log it but try and scale the rest of the deployments anyway (some idled is better than none?) | ||
| opLog.Info(fmt.Sprintf("Error patching namespace %s -%v", namespace.Name, err)) | ||
| } | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
|
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| if val, ok := namespace.ObjectMeta.Labels["idling.amazee.io/force-idled"]; ok && val == "true" { | ||
| opLog.Info(fmt.Sprintf("Force idling environment %s", namespace.Name)) | ||
| r.Idler.KubernetesServiceIdler(ctx, opLog, namespace, namespace.ObjectMeta.Labels[r.Idler.Selectors.NamespaceSelectorsLabels.ProjectName], true, false) | ||
| nsMergePatch, _ := json.Marshal(map[string]interface{}{ | ||
| "metadata": map[string]interface{}{ | ||
| "labels": map[string]*string{ | ||
| "idling.amazee.io/force-idled": nil, | ||
| }, | ||
| }, | ||
| }) | ||
| if err := r.Patch(ctx, &namespace, client.RawPatch(types.MergePatchType, nsMergePatch)); err != nil { | ||
| // log it but try and scale the rest of the deployments anyway (some idled is better than none?) | ||
| opLog.Info(fmt.Sprintf("Error patching namespace %s -%v", namespace.Name, err)) | ||
| } | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
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||
| if val, ok := namespace.ObjectMeta.Labels["idling.amazee.io/unidle"]; ok && val == "true" { | ||
| opLog.Info(fmt.Sprintf("Unidling environment %s", namespace.Name)) | ||
| r.Unidler.UnIdle(ctx, namespace.Name, opLog) | ||
| nsMergePatch, _ := json.Marshal(map[string]interface{}{ | ||
| "metadata": map[string]interface{}{ | ||
| "labels": map[string]*string{ | ||
| "idling.amazee.io/unidle": nil, | ||
| }, | ||
| }, | ||
| }) | ||
| if err := r.Patch(ctx, &namespace, client.RawPatch(types.MergePatchType, nsMergePatch)); err != nil { | ||
| // log it but try and scale the rest of the deployments anyway (some idled is better than none?) | ||
| opLog.Info(fmt.Sprintf("Error patching namespace %s -%v", namespace.Name, err)) | ||
| } | ||
| return ctrl.Result{}, nil | ||
| } | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
|
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| // SetupWithManager sets up the watch on the namespace resource with an event filter (see predicates.go) | ||
| func (r *IdlingReconciler) SetupWithManager(mgr ctrl.Manager) error { | ||
| return ctrl.NewControllerManagedBy(mgr). | ||
| For(&corev1.Namespace{}). | ||
| WithEventFilter(NamespacePredicates{}). | ||
| Complete(r) | ||
| } | ||
|
|
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| // will ignore not found errors | ||
| func ignoreNotFound(err error) error { | ||
| if apierrors.IsNotFound(err) { | ||
| return nil | ||
| } | ||
| return err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package controllers | ||
|
|
||
| import ( | ||
| "sigs.k8s.io/controller-runtime/pkg/event" | ||
| "sigs.k8s.io/controller-runtime/pkg/predicate" | ||
| ) | ||
|
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| // NamespacePredicates defines the funcs for predicates | ||
| type NamespacePredicates struct { | ||
| predicate.Funcs | ||
| } | ||
|
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| // Create we only watch for create events at this stage. | ||
| func (NamespacePredicates) Create(e event.CreateEvent) bool { | ||
| return true | ||
| } | ||
|
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| // Delete returns false if a delete event. | ||
| func (NamespacePredicates) Delete(e event.DeleteEvent) bool { | ||
| return true | ||
| } | ||
|
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| // Update returns false if a delete event. | ||
| func (NamespacePredicates) Update(e event.UpdateEvent) bool { | ||
| return true | ||
| } | ||
|
|
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| // Generic returns false if a delete event. | ||
| func (NamespacePredicates) Generic(e event.GenericEvent) bool { | ||
| return true | ||
| } |
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