mirror of
https://github.com/clastix/kamaji.git
synced 2026-02-14 10:00:02 +00:00
125 lines
3.8 KiB
Go
125 lines
3.8 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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"github.com/go-logr/logr"
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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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kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
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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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kamajiv1alpha1 "github.com/clastix/kamaji/api/v1alpha1"
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"github.com/clastix/kamaji/internal/kubeadm"
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"github.com/clastix/kamaji/internal/utilities"
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)
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type SACertificate struct {
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resource *corev1.Secret
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Client client.Client
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Log logr.Logger
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Name string
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TmpDirectory string
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}
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func (r *SACertificate) ShouldStatusBeUpdated(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) bool {
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return tenantControlPlane.Status.Certificates.SA.SecretName != r.resource.GetName()
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}
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func (r *SACertificate) ShouldCleanup(plane *kamajiv1alpha1.TenantControlPlane) bool {
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return false
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}
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func (r *SACertificate) CleanUp(ctx context.Context) (bool, error) {
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return false, nil
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}
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func (r *SACertificate) Define(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
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r.resource = &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: r.getPrefixedName(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 *SACertificate) getPrefixedName(tenantControlPlane *kamajiv1alpha1.TenantControlPlane) string {
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return utilities.AddTenantPrefix(r.Name, tenantControlPlane)
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}
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func (r *SACertificate) GetClient() client.Client {
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return r.Client
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}
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func (r *SACertificate) GetTmpDirectory() string {
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return r.TmpDirectory
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}
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func (r *SACertificate) 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 *SACertificate) GetName() string {
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return r.Name
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}
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func (r *SACertificate) UpdateTenantControlPlaneStatus(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
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tenantControlPlane.Status.Certificates.SA.LastUpdate = metav1.Now()
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tenantControlPlane.Status.Certificates.SA.SecretName = r.resource.GetName()
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return nil
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}
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func (r *SACertificate) mutate(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) controllerutil.MutateFn {
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return func() error {
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latestConfigRV := getLatestConfigRV(*tenantControlPlane)
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actualConfigRV := r.resource.GetLabels()["latest-config-rv"]
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if latestConfigRV == actualConfigRV {
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isValid, err := kubeadm.IsPublicKeyPrivateKeyPairValid(
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r.resource.Data[kubeadmconstants.ServiceAccountPublicKeyName],
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r.resource.Data[kubeadmconstants.ServiceAccountPrivateKeyName],
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)
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if err != nil {
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r.Log.Info(fmt.Sprintf("%s public_key-private_key pair is not valid: %s", kubeadmconstants.ServiceAccountKeyBaseName, err.Error()))
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}
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if isValid {
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return nil
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}
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}
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config, _, err := getKubeadmConfiguration(ctx, r, tenantControlPlane)
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if err != nil {
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return err
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}
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sa, err := kubeadm.GeneratePublicKeyPrivateKeyPair(kubeadmconstants.ServiceAccountKeyBaseName, config)
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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][]byte{
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kubeadmconstants.ServiceAccountPublicKeyName: sa.PublicKey,
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kubeadmconstants.ServiceAccountPrivateKeyName: sa.PrivateKey,
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}
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r.resource.SetLabels(utilities.MergeMaps(
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utilities.KamajiLabels(),
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map[string]string{
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"latest-config-rv": latestConfigRV,
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"kamaji.clastix.io/name": tenantControlPlane.GetName(),
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"kamaji.clastix.io/component": r.GetName(),
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},
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))
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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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