mirror of
https://github.com/clastix/kamaji.git
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121 lines
4.0 KiB
Go
121 lines
4.0 KiB
Go
// Copyright 2022 Clastix Labs
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// SPDX-License-Identifier: Apache-2.0
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package konnectivity
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import (
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"context"
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corev1 "k8s.io/api/core/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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apiserverv1alpha1 "k8s.io/apiserver/pkg/apis/apiserver/v1alpha1"
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ctrl "sigs.k8s.io/controller-runtime"
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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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"sigs.k8s.io/controller-runtime/pkg/log"
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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 EgressSelectorConfigurationResource struct {
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resource *corev1.ConfigMap
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Client client.Client
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}
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func (r *EgressSelectorConfigurationResource) Define(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
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r.resource = &corev1.ConfigMap{
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ObjectMeta: metav1.ObjectMeta{
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Name: utilities.AddTenantPrefix(r.GetName(), tenantControlPlane),
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Namespace: tenantControlPlane.GetNamespace(),
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},
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}
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return nil
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}
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func (r *EgressSelectorConfigurationResource) ShouldCleanup(tenantControlPlane *kamajiv1alpha1.TenantControlPlane) bool {
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return tenantControlPlane.Spec.Addons.Konnectivity == nil
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}
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func (r *EgressSelectorConfigurationResource) CleanUp(ctx context.Context, _ *kamajiv1alpha1.TenantControlPlane) (bool, error) {
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logger := log.FromContext(ctx, "resource", r.GetName())
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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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logger.Error(err, "cannot delete the requested resource")
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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 *EgressSelectorConfigurationResource) CreateOrUpdate(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) (controllerutil.OperationResult, error) {
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return controllerutil.CreateOrUpdate(ctx, r.Client, r.resource, r.mutate(ctx, tenantControlPlane))
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}
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func (r *EgressSelectorConfigurationResource) GetName() string {
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return "konnectivity-egress-selector-configuration"
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}
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func (r *EgressSelectorConfigurationResource) ShouldStatusBeUpdated(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) bool {
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return tenantControlPlane.Status.Addons.Konnectivity.ConfigMap.Checksum != utilities.GetObjectChecksum(r.resource)
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}
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func (r *EgressSelectorConfigurationResource) UpdateTenantControlPlaneStatus(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
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if tenantControlPlane.Spec.Addons.Konnectivity != nil {
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tenantControlPlane.Status.Addons.Konnectivity.ConfigMap.Name = r.resource.GetName()
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tenantControlPlane.Status.Addons.Konnectivity.ConfigMap.Checksum = utilities.GetObjectChecksum(r.resource)
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return nil
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}
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tenantControlPlane.Status.Addons.Konnectivity.ConfigMap = kamajiv1alpha1.KonnectivityConfigMap{}
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return nil
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}
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func (r *EgressSelectorConfigurationResource) mutate(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) func() error {
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return func() error {
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r.resource.SetLabels(utilities.MergeMaps(r.resource.GetLabels(), utilities.KamajiLabels(tenantControlPlane.GetName(), r.GetName())))
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configuration := &apiserverv1alpha1.EgressSelectorConfiguration{
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TypeMeta: metav1.TypeMeta{
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Kind: egressSelectorConfigurationKind,
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APIVersion: apiServerAPIVersion,
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},
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EgressSelections: []apiserverv1alpha1.EgressSelection{
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{
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Name: egressSelectorConfigurationName,
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Connection: apiserverv1alpha1.Connection{
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ProxyProtocol: apiserverv1alpha1.ProtocolGRPC,
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Transport: &apiserverv1alpha1.Transport{
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UDS: &apiserverv1alpha1.UDSTransport{
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UDSName: defaultUDSName,
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},
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},
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},
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},
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},
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}
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yamlConfiguration, err := utilities.EncodeToYaml(configuration)
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if err != nil {
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return err
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}
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r.resource.Data = map[string]string{
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"egress-selector-configuration.yaml": string(yamlConfiguration),
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}
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utilities.SetObjectChecksum(r.resource, r.resource.Data)
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return ctrl.SetControllerReference(tenantControlPlane, r.resource, r.Client.Scheme())
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}
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}
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