268 lines
9.2 KiB
Go
268 lines
9.2 KiB
Go
//
|
|
// Copyright (c) 2019-2023 Red Hat, Inc.
|
|
// This program and the accompanying materials are made
|
|
// available under the terms of the Eclipse Public License 2.0
|
|
// which is available at https://www.eclipse.org/legal/epl-2.0/
|
|
//
|
|
// SPDX-License-Identifier: EPL-2.0
|
|
//
|
|
// Contributors:
|
|
// Red Hat, Inc. - initial API and implementation
|
|
//
|
|
|
|
package migration
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/devfile/devworkspace-operator/pkg/infrastructure"
|
|
"github.com/eclipse-che/che-operator/pkg/common/chetypes"
|
|
"github.com/eclipse-che/che-operator/pkg/common/constants"
|
|
defaults "github.com/eclipse-che/che-operator/pkg/common/operator-defaults"
|
|
"github.com/eclipse-che/che-operator/pkg/common/utils"
|
|
oauthv1 "github.com/openshift/api/oauth/v1"
|
|
|
|
"github.com/eclipse-che/che-operator/pkg/deploy"
|
|
routev1 "github.com/openshift/api/route/v1"
|
|
"github.com/sirupsen/logrus"
|
|
appsv1 "k8s.io/api/apps/v1"
|
|
batchv1 "k8s.io/api/batch/v1"
|
|
corev1 "k8s.io/api/core/v1"
|
|
networkingv1 "k8s.io/api/networking/v1"
|
|
rbacv1 "k8s.io/api/rbac/v1"
|
|
"k8s.io/apimachinery/pkg/api/errors"
|
|
"k8s.io/apimachinery/pkg/api/meta"
|
|
"k8s.io/apimachinery/pkg/labels"
|
|
"k8s.io/apimachinery/pkg/selection"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
"sigs.k8s.io/controller-runtime/pkg/reconcile"
|
|
)
|
|
|
|
type Migrator struct {
|
|
deploy.Reconcilable
|
|
|
|
migrationDone bool
|
|
}
|
|
|
|
func NewMigrator() *Migrator {
|
|
return &Migrator{
|
|
migrationDone: false,
|
|
}
|
|
}
|
|
|
|
func (m *Migrator) Reconcile(ctx *chetypes.DeployContext) (reconcile.Result, bool, error) {
|
|
if m.migrationDone {
|
|
return reconcile.Result{}, true, nil
|
|
}
|
|
|
|
done, err := m.migrate(ctx)
|
|
if done && err == nil {
|
|
m.migrationDone = true
|
|
// Give some time for the migration resources to be flushed and rerun reconcile
|
|
return reconcile.Result{RequeueAfter: 5 * time.Second}, false, err
|
|
}
|
|
return reconcile.Result{}, done, err
|
|
}
|
|
|
|
func (m *Migrator) Finalize(ctx *chetypes.DeployContext) bool {
|
|
return true
|
|
}
|
|
|
|
func (m *Migrator) migrate(ctx *chetypes.DeployContext) (bool, error) {
|
|
if err := addPartOfCheLabeltoUserDefinedObjects(ctx); err != nil {
|
|
return false, err
|
|
}
|
|
|
|
cheFlavor := defaults.GetCheFlavor()
|
|
if err := addPartOfCheLabelForObjectsWithLabel(ctx, constants.KubernetesInstanceLabelKey, cheFlavor); err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if err := addPartOfCheLabelForObjectsWithLabel(ctx, "app", cheFlavor); err != nil {
|
|
return false, err
|
|
}
|
|
|
|
return true, nil
|
|
}
|
|
|
|
// addPartOfCheLabeltoUserDefinedObjects processes the following objects to add 'app.kubernetes.io/part-of=che.eclipse.org' label:
|
|
// - spec.server.cheClusterRoles
|
|
// - spec.server.cheWorkspaceClusterRole
|
|
// - spec.server.serverTrustStoreConfigMapName
|
|
// - spec.server.proxy.credentialssecretname
|
|
// - spec.networking.tlsSecretName
|
|
// Note, most of the objects above are autogenerated and do not require any migration,
|
|
// but to handle the case when some were created manually or operator updated, the check is done here.
|
|
func addPartOfCheLabeltoUserDefinedObjects(ctx *chetypes.DeployContext) error {
|
|
if !infrastructure.IsOpenShift() {
|
|
// Kubernetes only
|
|
tlsSecretName := utils.GetValue(ctx.CheCluster.Spec.Networking.TlsSecretName, constants.DefaultCheTLSSecretName)
|
|
if err := addPartOfCheLabelToSecret(ctx, tlsSecretName); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// TLS
|
|
if err := addPartOfCheLabelToSecret(ctx, constants.DefaultSelfSignedCertificateSecretName); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Proxy credentials
|
|
if ctx.CheCluster.Spec.Components.CheServer.Proxy != nil {
|
|
proxyCredentialsSecret := utils.GetValue(ctx.CheCluster.Spec.Components.CheServer.Proxy.CredentialsSecretName, constants.DefaultProxyCredentialsSecret)
|
|
if err := addPartOfCheLabelToSecret(ctx, proxyCredentialsSecret); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// Legacy config map with additional CA certificates
|
|
if err := addPartOfCheLabelToConfigMap(ctx, constants.DefaultServerTrustStoreConfigMapName); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Config map with CA certificates for git
|
|
if ctx.CheCluster.Spec.DevEnvironments.TrustedCerts != nil {
|
|
gitTrustedCertsConfigMapName := utils.GetValue(ctx.CheCluster.Spec.DevEnvironments.TrustedCerts.GitTrustedCertsConfigMapName, constants.DefaultGitSelfSignedCertsConfigMapName)
|
|
if err := addPartOfCheLabelToConfigMap(ctx, gitTrustedCertsConfigMapName); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func addPartOfCheLabelToSecret(ctx *chetypes.DeployContext, secretName string) error {
|
|
return addPartOfCheLabelToObject(ctx, secretName, &corev1.Secret{})
|
|
}
|
|
|
|
func addPartOfCheLabelToConfigMap(ctx *chetypes.DeployContext, configMapName string) error {
|
|
return addPartOfCheLabelToObject(ctx, configMapName, &corev1.ConfigMap{})
|
|
}
|
|
|
|
// addPartOfCheLabelToObject adds 'app.kubernetes.io/part-of=che.eclipse.org' label to the object with given name to be cached by operator's k8s client.
|
|
// As the function doesn't know the kind of the object with given name an empty object should be passed,
|
|
// for example: addPartOfCheLabelToObject(ctx, "my-secret", &corev1.Secret{})
|
|
func addPartOfCheLabelToObject(ctx *chetypes.DeployContext, objectName string, obj client.Object) error {
|
|
// Check if the object is already migrated
|
|
if exists, _ := deploy.GetNamespacedObject(ctx, objectName, obj); exists {
|
|
// Default client sees the object in cache, no need in adding anything
|
|
return nil
|
|
}
|
|
|
|
err := ctx.ClusterAPI.NonCachingClient.Get(context.TODO(), types.NamespacedName{Namespace: ctx.CheCluster.Namespace, Name: objectName}, obj)
|
|
if err != nil {
|
|
if errors.IsNotFound(err) {
|
|
// The object doesn't exist in cluster, nothing to do
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
if err := ctx.ClusterAPI.NonCachingClient.Update(context.TODO(), setPartOfLabel(obj)); err != nil {
|
|
return err
|
|
}
|
|
logrus.Info(getObjectMigratedMessage(obj))
|
|
|
|
return nil
|
|
}
|
|
|
|
func setPartOfLabel(obj client.Object) client.Object {
|
|
labels := obj.GetLabels()
|
|
if labels == nil {
|
|
labels = make(map[string]string)
|
|
}
|
|
labels[constants.KubernetesPartOfLabelKey] = constants.CheEclipseOrg
|
|
obj.SetLabels(labels)
|
|
return obj
|
|
}
|
|
|
|
// addPartOfCheLabelForObjectsWithLabel searches for objects in Che installation namespace,
|
|
// that have given label and adds 'app.kubernetes.io/part-of=che.eclipse.org'
|
|
func addPartOfCheLabelForObjectsWithLabel(ctx *chetypes.DeployContext, labelKey string, labelValue string) error {
|
|
// Prepare selector for all instance=che objects in the installation namespace
|
|
instanceCheSelectorRequirement, err := labels.NewRequirement(labelKey, selection.Equals, []string{labelValue})
|
|
if err != nil {
|
|
logrus.Error(getFailedToCreateSelectorErrorMessage())
|
|
return err
|
|
}
|
|
// Do not migrate already migrated objects
|
|
notPartOfCheSelectorRequirement, err := labels.NewRequirement(constants.KubernetesPartOfLabelKey, selection.NotEquals, []string{constants.CheEclipseOrg})
|
|
if err != nil {
|
|
logrus.Error(getFailedToCreateSelectorErrorMessage())
|
|
return err
|
|
}
|
|
objectsToMigrateLabelSelector := labels.NewSelector().
|
|
Add(*instanceCheSelectorRequirement).
|
|
Add(*notPartOfCheSelectorRequirement)
|
|
listOptions := &client.ListOptions{
|
|
LabelSelector: objectsToMigrateLabelSelector,
|
|
Namespace: ctx.CheCluster.GetNamespace(),
|
|
}
|
|
|
|
// This list should be based on the list from the cache function (see NewCache filed of the managar in main.go)
|
|
kindsToMigrate := []client.ObjectList{
|
|
&appsv1.DeploymentList{},
|
|
&corev1.PodList{},
|
|
&batchv1.JobList{},
|
|
&corev1.ServiceList{},
|
|
&corev1.SecretList{},
|
|
&corev1.ConfigMapList{},
|
|
&corev1.ServiceAccountList{},
|
|
&rbacv1.RoleList{},
|
|
&rbacv1.RoleBindingList{},
|
|
&rbacv1.ClusterRoleList{},
|
|
&rbacv1.ClusterRoleBindingList{},
|
|
&corev1.PersistentVolumeClaimList{},
|
|
}
|
|
if infrastructure.IsOpenShift() {
|
|
kindsToMigrate = append(kindsToMigrate, &routev1.RouteList{})
|
|
kindsToMigrate = append(kindsToMigrate, &oauthv1.OAuthClientList{})
|
|
} else {
|
|
kindsToMigrate = append(kindsToMigrate, &networkingv1.IngressList{})
|
|
}
|
|
|
|
for _, listToGet := range kindsToMigrate {
|
|
if err := addPartOfCheLabelToObjectsBySelector(ctx, listOptions, listToGet); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// addPartOfCheLabelToObjectsBySelector adds 'app.kubernetes.io/part-of=che.eclipse.org' label to all objects
|
|
// of given objectsList kind that match the provided in listOptions selector and namespace.
|
|
func addPartOfCheLabelToObjectsBySelector(ctx *chetypes.DeployContext, listOptions *client.ListOptions, objectsList client.ObjectList) error {
|
|
if err := ctx.ClusterAPI.NonCachingClient.List(context.TODO(), objectsList, listOptions); err != nil {
|
|
logrus.Warnf("Failed to get %s to add %s label", objectsList.GetObjectKind().GroupVersionKind().Kind, constants.KubernetesPartOfLabelKey)
|
|
return err
|
|
}
|
|
|
|
objects, err := meta.ExtractList(objectsList)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for _, runtimeObj := range objects {
|
|
obj := setPartOfLabel(runtimeObj.(client.Object))
|
|
if err := ctx.ClusterAPI.NonCachingClient.Update(context.TODO(), obj); err != nil {
|
|
return err
|
|
}
|
|
logrus.Info(getObjectMigratedMessage(obj))
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func getFailedToCreateSelectorErrorMessage() string {
|
|
return "Failed to create selector for resources migration. Unable to perform resources migration."
|
|
}
|
|
|
|
func getObjectMigratedMessage(obj client.Object) string {
|
|
return fmt.Sprintf("Added '%s=%s' label to %s object of %s kind",
|
|
constants.KubernetesPartOfLabelKey, constants.CheEclipseOrg, obj.GetName(), deploy.GetObjectType(obj))
|
|
}
|