mirror of
https://github.com/clastix/kamaji.git
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138 lines
4.5 KiB
Go
138 lines
4.5 KiB
Go
// Copyright 2022 Clastix Labs
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// SPDX-License-Identifier: Apache-2.0
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package resources
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import (
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"context"
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"fmt"
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networkingv1 "k8s.io/api/networking/v1"
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k8serrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/utils/pointer"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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kamajiv1alpha1 "github.com/clastix/kamaji/api/v1alpha1"
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"github.com/clastix/kamaji/internal/utilities"
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)
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type KubernetesIngressResource struct {
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resource *networkingv1.Ingress
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Client client.Client
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Name string
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}
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func (r *KubernetesIngressResource) ShouldStatusBeUpdated(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) bool {
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return !(tenantControlPlane.Status.Kubernetes.Ingress.Name == r.resource.GetName() &&
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tenantControlPlane.Status.Kubernetes.Ingress.Namespace == r.resource.GetNamespace())
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}
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func (r *KubernetesIngressResource) ShouldCleanup(tenantControlPlane *kamajiv1alpha1.TenantControlPlane) bool {
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return !tenantControlPlane.Spec.ControlPlane.Ingress.Enabled
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}
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func (r *KubernetesIngressResource) CleanUp(ctx context.Context) (bool, error) {
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if err := r.Client.Delete(ctx, r.resource); err != nil {
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if !k8serrors.IsNotFound(err) {
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return false, err
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}
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return false, nil
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}
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return true, nil
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}
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func (r *KubernetesIngressResource) UpdateTenantControlPlaneStatus(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
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if tenantControlPlane.Spec.ControlPlane.Ingress.Enabled {
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tenantControlPlane.Status.Kubernetes.Ingress.IngressStatus = r.resource.Status
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tenantControlPlane.Status.Kubernetes.Ingress.Name = r.resource.GetName()
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tenantControlPlane.Status.Kubernetes.Ingress.Namespace = r.resource.GetNamespace()
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return nil
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}
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tenantControlPlane.Status.Kubernetes.Ingress = kamajiv1alpha1.KubernetesIngressStatus{}
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return nil
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}
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func (r *KubernetesIngressResource) Define(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
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r.resource = &networkingv1.Ingress{
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ObjectMeta: metav1.ObjectMeta{
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Name: tenantControlPlane.GetName(),
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Namespace: tenantControlPlane.GetNamespace(),
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Labels: utilities.CommonLabels(tenantControlPlane.GetName()),
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},
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}
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r.Name = "ingress"
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return nil
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}
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func (r *KubernetesIngressResource) CreateOrUpdate(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) (controllerutil.OperationResult, error) {
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return controllerutil.CreateOrUpdate(ctx, r.Client, r.resource, func() error {
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labels := utilities.MergeMaps(r.resource.GetLabels(), tenantControlPlane.Spec.ControlPlane.Ingress.AdditionalMetadata.Labels)
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r.resource.SetLabels(labels)
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annotations := utilities.MergeMaps(r.resource.GetAnnotations(), tenantControlPlane.Spec.ControlPlane.Ingress.AdditionalMetadata.Annotations)
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r.resource.SetAnnotations(annotations)
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if tenantControlPlane.Spec.ControlPlane.Ingress.IngressClassName != "" {
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r.resource.Spec.IngressClassName = &tenantControlPlane.Spec.ControlPlane.Ingress.IngressClassName
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}
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var rule networkingv1.IngressRule
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if len(r.resource.Spec.Rules) > 0 {
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rule = r.resource.Spec.Rules[0]
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}
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var path networkingv1.HTTPIngressPath
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if rule.HTTP != nil && len(rule.HTTP.Paths) > 0 {
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path = rule.HTTP.Paths[0]
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}
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path.Path = "/"
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path.PathType = (*networkingv1.PathType)(pointer.StringPtr(string(networkingv1.PathTypePrefix)))
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if path.Backend.Service == nil {
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path.Backend.Service = &networkingv1.IngressServiceBackend{}
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}
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if tenantControlPlane.Status.Kubernetes.Service.Name == "" ||
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tenantControlPlane.Status.Kubernetes.Service.Port == 0 {
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return fmt.Errorf("ingress cannot be configured yet")
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}
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path.Backend.Service.Name = tenantControlPlane.Status.Kubernetes.Service.Name
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path.Backend.Service.Port.Number = tenantControlPlane.Status.Kubernetes.Service.Port
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if rule.HTTP == nil {
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rule.HTTP = &networkingv1.HTTPIngressRuleValue{
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Paths: []networkingv1.HTTPIngressPath{
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{},
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},
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}
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}
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rule.HTTP.Paths[0] = path
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rule.Host = tenantControlPlane.Spec.ControlPlane.Ingress.Hostname
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if rule.Host == "" {
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rule.Host = fmt.Sprintf("%s.%s.%s", tenantControlPlane.GetName(), tenantControlPlane.GetNamespace(), tenantControlPlane.Spec.NetworkProfile.Domain)
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}
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r.resource.Spec.Rules = []networkingv1.IngressRule{
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rule,
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}
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return controllerutil.SetControllerReference(tenantControlPlane, r.resource, r.Client.Scheme())
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})
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}
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func (r *KubernetesIngressResource) GetName() string {
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return r.Name
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}
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