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manifest_controller.go
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manifest_controller.go
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package controller
import (
"context"
"fmt"
"net/http"
"strings"
watcherevent "github.com/kyma-project/runtime-watcher/listener/pkg/event"
"github.com/kyma-project/runtime-watcher/listener/pkg/types"
apicorev1 "k8s.io/api/core/v1"
"k8s.io/client-go/util/workqueue"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
ctrlruntime "sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/source"
"github.com/kyma-project/lifecycle-manager/api/v1beta2"
declarativev2 "github.com/kyma-project/lifecycle-manager/internal/declarative/v2"
"github.com/kyma-project/lifecycle-manager/internal/manifest"
"github.com/kyma-project/lifecycle-manager/internal/pkg/metrics"
"github.com/kyma-project/lifecycle-manager/pkg/queue"
"github.com/kyma-project/lifecycle-manager/pkg/security"
)
func SetupWithManager(mgr manager.Manager,
options ctrlruntime.Options,
requeueIntervals queue.RequeueIntervals,
settings SetupUpSetting,
manifestMetrics *metrics.ManifestMetrics, mandatoryModulesMetrics *metrics.MandatoryModulesMetrics,
) error {
var verifyFunc watcherevent.Verify
if settings.EnableDomainNameVerification {
// Verifier used to verify incoming listener requests
verifyFunc = security.NewRequestVerifier(mgr.GetClient()).Verify
} else {
verifyFunc = func(r *http.Request, watcherEvtObject *types.WatchEvent) error {
return nil
}
}
runnableListener := watcherevent.NewSKREventListener(
settings.ListenerAddr, strings.ToLower(declarativev2.OperatorName),
verifyFunc,
)
// start listener as a manager runnable
if err := mgr.Add(runnableListener); err != nil {
return fmt.Errorf("failed to add to listener to manager: %w", err)
}
addSkrEventToQueueFunc := &handler.Funcs{
GenericFunc: func(ctx context.Context, evnt event.GenericEvent,
queue workqueue.RateLimitingInterface,
) {
ctrl.Log.WithName("listener").Info(
fmt.Sprintf(
"event coming from SKR, adding %s to queue",
client.ObjectKeyFromObject(evnt.Object).String(),
),
)
queue.Add(ctrl.Request{NamespacedName: client.ObjectKeyFromObject(evnt.Object)})
},
}
skrEventChannel := source.Channel(runnableListener.ReceivedEvents, addSkrEventToQueueFunc)
controllerManagedByManager := ctrl.NewControllerManagedBy(mgr).
For(&v1beta2.Manifest{}).
Named(ManifestControllerName).
Watches(&apicorev1.Secret{}, handler.Funcs{}).
WatchesRawSource(skrEventChannel).
WithOptions(options)
if err := controllerManagedByManager.Complete(ManifestReconciler(mgr, requeueIntervals,
manifestMetrics, mandatoryModulesMetrics)); err != nil {
return fmt.Errorf("failed to initialize manifest controller by manager: %w", err)
}
return nil
}
func ManifestReconciler(mgr manager.Manager, requeueIntervals queue.RequeueIntervals,
manifestMetrics *metrics.ManifestMetrics, mandatoryModulesMetrics *metrics.MandatoryModulesMetrics,
) *declarativev2.Reconciler {
kcp := &declarativev2.ClusterInfo{
Client: mgr.GetClient(),
Config: mgr.GetConfig(),
}
extractor := manifest.NewPathExtractor(nil)
lookup := &manifest.RemoteClusterLookup{KCP: kcp}
return declarativev2.NewFromManager(
mgr, &v1beta2.Manifest{}, requeueIntervals, manifestMetrics, mandatoryModulesMetrics,
declarativev2.WithSpecResolver(
manifest.NewSpecResolver(kcp, extractor),
),
declarativev2.WithCustomReadyCheck(manifest.NewCustomResourceReadyCheck()),
declarativev2.WithRemoteTargetCluster(lookup.ConfigResolver),
manifest.WithClientCacheKey(),
declarativev2.WithPostRun{manifest.PostRunCreateCR},
declarativev2.WithPreDelete{manifest.PreDeleteDeleteCR},
declarativev2.WithModuleCRDeletionCheck(manifest.NewModuleCRDeletionCheck()),
)
}