144 lines
4.3 KiB
Go
144 lines
4.3 KiB
Go
//
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// Copyright (c) 2019-2021 Red Hat, Inc.
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// This program and the accompanying materials are made
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// available under the terms of the Eclipse Public License 2.0
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// which is available at https://www.eclipse.org/legal/epl-2.0/
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//
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// SPDX-License-Identifier: EPL-2.0
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//
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// Contributors:
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// Red Hat, Inc. - initial API and implementation
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//
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package devworkspace
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import (
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"context"
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"os"
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admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
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"github.com/eclipse-che/che-operator/pkg/deploy"
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"github.com/eclipse-che/che-operator/pkg/util"
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"github.com/sirupsen/logrus"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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)
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const (
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DevWorkspaceNamespace = "devworkspace-controller"
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DevWorkspaceDeploymentName = "devworkspace-controller-manager"
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DevWorkspaceWebhookName = "controller.devfile.io"
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SubscriptionResourceName = "subscriptions"
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ClusterServiceVersionResourceName = "clusterserviceversions"
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DevWorkspaceCSVNamePrefix = "devworkspace-operator"
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WebTerminalOperatorSubscriptionName = "web-terminal"
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WebTerminalOperatorNamespace = "openshift-operators"
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)
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var (
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// Exits the operator after successful fresh installation of the devworkspace.
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// Can be replaced with something less drastic (especially useful in tests)
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restartCheOperator = func() {
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logrus.Warn("Exiting the operator after DevWorkspace installation. DevWorkspace support will be initialized on the next start.")
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os.Exit(0)
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}
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)
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type DevWorkspaceReconciler struct {
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deploy.Reconcilable
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}
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func NewDevWorkspaceReconciler() *DevWorkspaceReconciler {
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return &DevWorkspaceReconciler{}
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}
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func (d *DevWorkspaceReconciler) Reconcile(ctx *deploy.DeployContext) (reconcile.Result, bool, error) {
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if util.IsOpenShift && !util.IsOpenShift4 {
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// OpenShift 3.x is not supported
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return reconcile.Result{}, true, nil
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}
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if isDevWorkspaceOperatorCSVExists(ctx) {
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// Do nothing if DevWorkspace has been already deployed via OLM
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return reconcile.Result{}, true, nil
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}
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if util.IsOpenShift {
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wtoInstalled, err := isWebTerminalSubscriptionExist(ctx)
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if err != nil {
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return reconcile.Result{Requeue: true}, false, err
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}
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if wtoInstalled {
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// Do nothing if WTO exists since it should bring or embeds DWO
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return reconcile.Result{}, true, nil
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}
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}
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isCreated, err := createDwNamespace(ctx)
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if err != nil {
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return reconcile.Result{Requeue: true}, false, err
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}
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if !isCreated {
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namespace := &corev1.Namespace{}
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err := ctx.ClusterAPI.NonCachingClient.Get(context.TODO(), types.NamespacedName{Name: DevWorkspaceNamespace}, namespace)
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if err != nil {
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return reconcile.Result{Requeue: true}, false, err
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}
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namespaceOwnershipAnnotation := namespace.GetAnnotations()[deploy.CheEclipseOrgNamespace]
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if namespaceOwnershipAnnotation == "" {
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// don't manage DWO if namespace is create by someone else not but not Che Operator
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return reconcile.Result{}, true, nil
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}
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// if DWO is managed by another Che, check if we should take control under it after possible removal
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if namespaceOwnershipAnnotation != ctx.CheCluster.Namespace {
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isOnlyOneOperatorManagesDWResources, err := isOnlyOneOperatorManagesDWResources(ctx)
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if err != nil {
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return reconcile.Result{Requeue: true}, false, err
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}
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if !isOnlyOneOperatorManagesDWResources {
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// Don't take a control over DWO if CheCluster in another CR is handling it
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return reconcile.Result{}, true, nil
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}
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namespace.GetAnnotations()[deploy.CheEclipseOrgNamespace] = ctx.CheCluster.Namespace
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_, err = deploy.Sync(ctx, namespace)
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if err != nil {
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return reconcile.Result{Requeue: true}, false, err
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}
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}
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}
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// check if DW exists on the cluster
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devWorkspaceWebHookExistedBeforeSync, err := deploy.Get(
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ctx,
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client.ObjectKey{Name: DevWorkspaceWebhookName},
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&admissionregistrationv1.MutatingWebhookConfiguration{},
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)
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for _, syncItem := range syncItems {
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_, err := syncItem(ctx)
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if err != nil {
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return reconcile.Result{Requeue: true}, false, err
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}
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}
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if !util.IsTestMode() {
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if !devWorkspaceWebHookExistedBeforeSync {
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// we need to restart Che Operator to switch devworkspace controller mode
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restartCheOperator()
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}
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}
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return reconcile.Result{}, true, nil
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}
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func (d *DevWorkspaceReconciler) Finalize(ctx *deploy.DeployContext) bool {
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return true
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}
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