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tektonconfig.go
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tektonconfig.go
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/*
Copyright 2021 The Tekton Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package tektonconfig
import (
"context"
"fmt"
mf "github.com/manifestival/manifestival"
"github.com/tektoncd/operator/pkg/apis/operator/v1alpha1"
clientset "github.com/tektoncd/operator/pkg/client/clientset/versioned"
tektonConfigreconciler "github.com/tektoncd/operator/pkg/client/injection/reconciler/operator/v1alpha1/tektonconfig"
"github.com/tektoncd/operator/pkg/reconciler/common"
"github.com/tektoncd/operator/pkg/reconciler/shared/tektonconfig/pipeline"
"github.com/tektoncd/operator/pkg/reconciler/shared/tektonconfig/trigger"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"knative.dev/pkg/logging"
pkgreconciler "knative.dev/pkg/reconciler"
)
// Reconciler implements controller.Reconciler for TektonConfig resources.
type Reconciler struct {
// kubeClientSet allows us to talk to the k8s for core APIs
kubeClientSet kubernetes.Interface
// operatorClientSet allows us to configure operator objects
operatorClientSet clientset.Interface
// Platform-specific behavior to affect the transform
extension common.Extension
manifest mf.Manifest
operatorVersion string
}
// Check that our Reconciler implements controller.Reconciler
var _ tektonConfigreconciler.Interface = (*Reconciler)(nil)
var _ tektonConfigreconciler.Finalizer = (*Reconciler)(nil)
// FinalizeKind removes all resources after deletion of a TektonConfig.
func (r *Reconciler) FinalizeKind(ctx context.Context, original *v1alpha1.TektonConfig) pkgreconciler.Event {
logger := logging.FromContext(ctx)
if err := r.extension.Finalize(ctx, original); err != nil {
logger.Error("Failed to finalize platform resources", err)
}
if original.Spec.Profile == v1alpha1.ProfileLite {
return pipeline.EnsureTektonPipelineCRNotExists(ctx, r.operatorClientSet.OperatorV1alpha1().TektonPipelines())
} else {
// TektonPipeline and TektonTrigger is common for profile type basic and all
if err := trigger.EnsureTektonTriggerCRNotExists(ctx, r.operatorClientSet.OperatorV1alpha1().TektonTriggers()); err != nil {
return err
}
if err := pipeline.EnsureTektonPipelineCRNotExists(ctx, r.operatorClientSet.OperatorV1alpha1().TektonPipelines()); err != nil {
return err
}
}
return nil
}
// ReconcileKind compares the actual state with the desired, and attempts to
// converge the two.
func (r *Reconciler) ReconcileKind(ctx context.Context, tc *v1alpha1.TektonConfig) pkgreconciler.Event {
logger := logging.FromContext(ctx)
tc.Status.InitializeConditions()
tc.Status.SetVersion(r.operatorVersion)
logger.Infow("Reconciling TektonConfig", "status", tc.Status)
if tc.GetName() != v1alpha1.ConfigResourceName {
msg := fmt.Sprintf("Resource ignored, Expected Name: %s, Got Name: %s",
v1alpha1.ConfigResourceName,
tc.GetName(),
)
logger.Error(msg)
tc.Status.MarkNotReady(msg)
return nil
}
tc.SetDefaults(ctx)
// Mark TektonConfig Instance as Not Ready if an upgrade is needed
if err := r.markUpgrade(ctx, tc); err != nil {
return err
}
if err := r.ensureTargetNamespaceExists(ctx, tc); err != nil {
return err
}
if err := r.extension.PreReconcile(ctx, tc); err != nil {
if err == v1alpha1.RECONCILE_AGAIN_ERR {
return v1alpha1.REQUEUE_EVENT_AFTER
}
tc.Status.MarkPreInstallFailed(err.Error())
return err
}
tc.Status.MarkPreInstallComplete()
// Ensure if the pipeline CR already exists, if not create Pipeline CR
tektonpipeline := pipeline.GetTektonPipelineCR(tc)
// Ensure it exists
if _, err := pipeline.EnsureTektonPipelineExists(ctx, r.operatorClientSet.OperatorV1alpha1().TektonPipelines(), tektonpipeline); err != nil {
tc.Status.MarkComponentNotReady(fmt.Sprintf("TektonPipeline: %s", err.Error()))
if err == v1alpha1.RECONCILE_AGAIN_ERR {
return v1alpha1.REQUEUE_EVENT_AFTER
}
return nil
}
// Create TektonTrigger CR if the profile is all or basic
if tc.Spec.Profile == v1alpha1.ProfileAll || tc.Spec.Profile == v1alpha1.ProfileBasic {
tektontrigger := trigger.GetTektonTriggerCR(tc)
if _, err := trigger.EnsureTektonTriggerExists(ctx, r.operatorClientSet.OperatorV1alpha1().TektonTriggers(), tektontrigger); err != nil {
tc.Status.MarkComponentNotReady(fmt.Sprintf("TektonTrigger: %s", err.Error()))
return v1alpha1.REQUEUE_EVENT_AFTER
}
} else {
if err := trigger.EnsureTektonTriggerCRNotExists(ctx, r.operatorClientSet.OperatorV1alpha1().TektonTriggers()); err != nil {
tc.Status.MarkComponentNotReady(fmt.Sprintf("TektonTrigger: %s", err.Error()))
return v1alpha1.REQUEUE_EVENT_AFTER
}
}
if err := common.Prune(ctx, r.kubeClientSet, tc); err != nil {
tc.Status.MarkComponentNotReady(fmt.Sprintf("tekton-resource-pruner: %s", err.Error()))
logger.Error(err)
}
tc.Status.MarkComponentsReady()
if err := r.extension.PostReconcile(ctx, tc); err != nil {
return err
}
tc.Status.MarkPostInstallComplete()
if err := r.deleteObsoleteTargetNamespaces(ctx, tc); err != nil {
logger.Error(err)
}
// Update the object for any spec changes
if _, err := r.operatorClientSet.OperatorV1alpha1().TektonConfigs().Update(ctx, tc, v1.UpdateOptions{}); err != nil {
return err
}
return nil
}
func (r *Reconciler) ensureTargetNamespaceExists(ctx context.Context, tc *v1alpha1.TektonConfig) error {
ns, err := r.kubeClientSet.CoreV1().Namespaces().List(ctx, metav1.ListOptions{
LabelSelector: fmt.Sprintf("operator.tekton.dev/targetNamespace=%s", "true"),
})
if err != nil {
return err
}
if len(ns.Items) > 0 {
for _, namespace := range ns.Items {
if namespace.Name != tc.GetSpec().GetTargetNamespace() {
namespace.Labels["operator.tekton.dev/mark-for-deletion"] = "true"
_, err = r.kubeClientSet.CoreV1().Namespaces().Update(ctx, &namespace, metav1.UpdateOptions{})
if err != nil {
return err
}
} else {
return nil
}
}
} else {
if err := common.CreateTargetNamespace(ctx, nil, tc, r.kubeClientSet); err != nil {
if errors.IsAlreadyExists(err) {
return r.addTargetNamespaceLabel(ctx, tc.GetSpec().GetTargetNamespace())
}
return err
}
}
return nil
}
func (r *Reconciler) deleteObsoleteTargetNamespaces(ctx context.Context, tc *v1alpha1.TektonConfig) error {
ns, err := r.kubeClientSet.CoreV1().Namespaces().List(ctx, metav1.ListOptions{
LabelSelector: fmt.Sprintf("operator.tekton.dev/mark-for-deletion=%s", "true"),
})
if err != nil {
return err
}
for _, namespace := range ns.Items {
if namespace.Name != tc.GetSpec().GetTargetNamespace() {
if err := r.kubeClientSet.CoreV1().Namespaces().Delete(ctx, tc.GetSpec().GetTargetNamespace(), metav1.DeleteOptions{}); err != nil {
return err
}
} else {
return nil
}
}
return nil
}
func (r *Reconciler) markUpgrade(ctx context.Context, tc *v1alpha1.TektonConfig) error {
labels := tc.GetLabels()
ver, ok := labels[v1alpha1.ReleaseVersionKey]
if ok && ver == r.operatorVersion {
return nil
}
if ok && ver != r.operatorVersion {
tc.Status.MarkComponentNotReady("Upgrade Pending")
tc.Status.MarkPreInstallFailed(v1alpha1.UpgradePending)
tc.Status.MarkPostInstallFailed(v1alpha1.UpgradePending)
tc.Status.MarkNotReady("Upgrade Pending")
}
if labels == nil {
labels = map[string]string{}
}
labels[v1alpha1.ReleaseVersionKey] = r.operatorVersion
tc.SetLabels(labels)
// Update the object for any spec changes
if _, err := r.operatorClientSet.OperatorV1alpha1().TektonConfigs().Update(ctx,
tc, v1.UpdateOptions{}); err != nil {
return err
}
return v1alpha1.RECONCILE_AGAIN_ERR
}
func (r *Reconciler) addTargetNamespaceLabel(ctx context.Context, targetNamespace string) error {
ns, err := r.kubeClientSet.CoreV1().Namespaces().Get(ctx, targetNamespace, v1.GetOptions{})
if err != nil {
return err
}
labels := ns.GetLabels()
if labels == nil {
labels = map[string]string{
"operator.tekton.dev/targetNamespace": "true",
}
}
ns.SetLabels(labels)
_, err = r.kubeClientSet.CoreV1().Namespaces().Update(ctx, ns, v1.UpdateOptions{})
return err
}