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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| package kongplugininstallation | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| "github.com/samber/lo" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "oras.land/oras-go/v2/registry/remote/credentials" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/builder" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/event" | ||
| "sigs.k8s.io/controller-runtime/pkg/predicate" | ||
|
|
||
| "github.com/kong/gateway-operator/api/v1alpha1" | ||
| "github.com/kong/gateway-operator/controller/kongplugininstallation/image" | ||
| "github.com/kong/gateway-operator/controller/pkg/log" | ||
| "github.com/kong/gateway-operator/pkg/utils/kubernetes" | ||
| ) | ||
|
|
||
| // Reconciler reconciles a KongPluginInstallation object. | ||
| type Reconciler struct { | ||
| client.Client | ||
| Scheme *runtime.Scheme | ||
| DevelopmentMode bool | ||
| } | ||
|
|
||
| // SetupWithManager sets up the controller with the Manager. | ||
| func (r *Reconciler) SetupWithManager(mgr ctrl.Manager) error { | ||
| return ctrl.NewControllerManagedBy(mgr). | ||
| For(&v1alpha1.KongPluginInstallation{}). | ||
| WithEventFilter(predicate.GenerationChangedPredicate{}). | ||
| Owns(&corev1.ConfigMap{}, builder.WithPredicates( | ||
| predicate.Funcs{ | ||
| DeleteFunc: func(e event.DeleteEvent) bool { | ||
| return true | ||
| }, | ||
| CreateFunc: func(e event.CreateEvent) bool { | ||
| return false | ||
| }, | ||
| UpdateFunc: func(e event.UpdateEvent) bool { | ||
| return false | ||
| }, | ||
| }, | ||
| )). | ||
| Complete(r) | ||
| } | ||
|
|
||
| // Reconcile moves the current state of an object to the intended state. | ||
| func (r *Reconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { | ||
| logger := log.GetLogger(ctx, "kongplugininstallation", r.DevelopmentMode) | ||
| var kpi v1alpha1.KongPluginInstallation | ||
| log.Info(logger, "HIT", kpi, "name", req.Name, "namespace", req.Namespace) | ||
| // Fetch the KongPluginInstallation instance | ||
| if err := r.Client.Get(ctx, req.NamespacedName, &kpi); err != nil { | ||
| return ctrl.Result{}, client.IgnoreNotFound(err) | ||
| } | ||
| log.Info(logger, "reconcile in progress", kpi, "name", req.Name, "namespace", req.Namespace) | ||
|
|
||
| var credentialsStore credentials.Store | ||
| if kpi.Spec.ImagePullSecretRef != nil { | ||
| secretNN := client.ObjectKey{ | ||
| Namespace: kpi.Spec.ImagePullSecretRef.Namespace, | ||
| Name: kpi.Spec.ImagePullSecretRef.Name, | ||
| } | ||
| if secretNN.Namespace == "" { | ||
| secretNN.Namespace = req.Namespace | ||
| } | ||
|
|
||
| var secret corev1.Secret | ||
| if err := r.Client.Get( | ||
| ctx, | ||
| secretNN, | ||
| &secret, | ||
| ); err != nil { | ||
| return ctrl.Result{}, setStatusConditionFailed(ctx, r.Client, &kpi, fmt.Sprintf("can't retrieve secret %q, because: %s", secretNN, err)) | ||
| } | ||
|
|
||
| const requiredKey = ".dockerconfigjson" | ||
| secretData, ok := secret.Data[requiredKey] | ||
| if !ok { | ||
| return ctrl.Result{}, setStatusConditionFailed( | ||
| ctx, r.Client, &kpi, fmt.Sprintf("can't parse secret %q - unexpected type, it should follow 'kubernetes.io/dockerconfigjson'", secretNN), | ||
| ) | ||
| } | ||
| var err error | ||
| credentialsStore, err = image.CredentialsStoreFromString(string(secretData)) | ||
| if err != nil { | ||
| return ctrl.Result{}, setStatusConditionFailed(ctx, r.Client, &kpi, fmt.Sprintf("can't parse secret: %q data: %s", secretNN, err)) | ||
| } | ||
| } | ||
|
|
||
| plugin, err := image.FetchPluginContent(ctx, kpi.Spec.Image, credentialsStore) | ||
| if err != nil { | ||
| return ctrl.Result{}, setStatusConditionFailed(ctx, r.Client, &kpi, fmt.Sprintf("can't fetch image: %q error: %s", kpi.Spec.Image, err)) | ||
| } | ||
|
|
||
| cms, err := kubernetes.ListConfigMapsForOwner(ctx, r.Client, kpi.GetUID()) | ||
| if err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
| var cm corev1.ConfigMap | ||
| switch len(cms) { | ||
| case 0: | ||
| if cmName := kpi.Status.UnderlyingConfigMapName; cmName != "" { | ||
| cm.Name = cmName | ||
| } else { | ||
| cm.GenerateName = kpi.Name | ||
| } | ||
| cm.Namespace = kpi.Namespace | ||
| cm.Immutable = lo.ToPtr(true) | ||
| cm.Data = map[string]string{ | ||
| fmt.Sprintf("%s.lua", kpi.Name): string(plugin), | ||
| } | ||
| if err := ctrl.SetControllerReference(&kpi, &cm, r.Scheme); err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
| if err := r.Client.Create(ctx, &cm); err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
| kpi.Status.UnderlyingConfigMapName = cm.Name | ||
| case 1: | ||
| cm = cms[0] | ||
| cm.Name = kpi.Status.UnderlyingConfigMapName | ||
| cm.Data = map[string]string{ | ||
| fmt.Sprintf("%s.lua", kpi.Name): string(plugin), | ||
| } | ||
| if err := r.Client.Update(ctx, &cm); err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
| default: | ||
| return ctrl.Result{}, errors.New("it should never happen!!!???") | ||
| } | ||
|
|
||
| return ctrl.Result{}, setStatusCondition( | ||
| ctx, r.Client, &kpi, metav1.ConditionTrue, v1alpha1.KongPluginInstallationReasonReady, "plugin successfully saved in cluster as ConfigMap", | ||
| ) | ||
| } | ||
|
|
||
| func setStatusConditionFailed(ctx context.Context, client client.Client, kpi *v1alpha1.KongPluginInstallation, msg string) error { | ||
| return setStatusCondition(ctx, client, kpi, metav1.ConditionFalse, v1alpha1.KongPluginInstallationReasonFailed, msg) | ||
| } | ||
|
|
||
| func setStatusCondition( | ||
| ctx context.Context, client client.Client, kpi *v1alpha1.KongPluginInstallation, conditionStatus metav1.ConditionStatus, reason v1alpha1.KongPluginInstallationConditionReason, msg string, | ||
| ) error { | ||
| status := metav1.Condition{ | ||
| Type: string(v1alpha1.KongPluginInstallationConditionStatusAccepted), | ||
| Status: conditionStatus, | ||
| ObservedGeneration: kpi.Generation, | ||
| LastTransitionTime: metav1.Now(), | ||
| Reason: string(reason), | ||
| Message: msg, | ||
| } | ||
| _, index, found := lo.FindIndexOf(kpi.Status.Conditions, func(c metav1.Condition) bool { | ||
| return c.Type == string(v1alpha1.KongPluginInstallationConditionStatusAccepted) | ||
| }) | ||
| if found { | ||
| kpi.Status.Conditions[index] = status | ||
| } else { | ||
| kpi.Status.Conditions = append(kpi.Status.Conditions, status) | ||
| } | ||
| return client.Status().Update(ctx, kpi) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package kongplugininstallation | ||
|
|
||
| //+kubebuilder:rbac:groups=gateway-operator.konghq.com,resources=kongplugininstallations,verbs=get;list;watch;update;patch | ||
| //+kubebuilder:rbac:groups=gateway-operator.konghq.com,resources=kongplugininstallations/status,verbs=get;update;patch | ||
| //+kubebuilder:rbac:groups=core,resources=configmaps,verbs=get;list;watch;create;update;patch;delete | ||
| //+kubebuilder:rbac:groups=core,resources=secrets,verbs=get; | ||
| //+kubebuilder:rbac:groups=core,resources=configmaps/status,verbs=get |
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