/
controller.go
156 lines (133 loc) · 5 KB
/
controller.go
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package velero
import (
"context"
"time"
"github.com/openshift/managed-velero-operator/pkg/storage"
veleroInstallCR "github.com/openshift/managed-velero-operator/pkg/apis/managed/v1alpha2"
minterv1 "github.com/openshift/cloud-credential-operator/pkg/apis/cloudcredential/v1"
velerov1 "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
appsv1 "k8s.io/api/apps/v1"
"github.com/cblecker/platformutils"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
)
var (
log = logf.Log.WithName("controller_velero")
s3ReconcilePeriod = 60 * time.Minute
)
// Add creates a new Velero Controller and adds it to the Manager. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager) error {
return add(mgr, newReconciler(mgr))
}
// newReconciler returns a new reconcile.Reconciler
func newReconciler(mgr manager.Manager) reconcile.Reconciler {
return &ReconcileVelero{client: mgr.GetClient(), scheme: mgr.GetScheme()}
}
// add adds a new Controller to mgr with r as the reconcile.Reconciler
func add(mgr manager.Manager, r reconcile.Reconciler) error {
// Create a new controller
c, err := controller.New("velero-controller", mgr, controller.Options{Reconciler: r})
if err != nil {
return err
}
// Watch for changes to primary resource, Velero
err = c.Watch(&source.Kind{Type: &veleroInstallCR.VeleroInstall{}}, &handler.EnqueueRequestForObject{})
if err != nil {
return err
}
// Watch for changes to BackupStorageLocation
err = c.Watch(&source.Kind{Type: &velerov1.BackupStorageLocation{}}, &handler.EnqueueRequestForOwner{
IsController: true,
OwnerType: &veleroInstallCR.VeleroInstall{},
})
if err != nil {
return err
}
// Watch for changes to VolumeSnapshotLocation
err = c.Watch(&source.Kind{Type: &velerov1.VolumeSnapshotLocation{}}, &handler.EnqueueRequestForOwner{
IsController: true,
OwnerType: &veleroInstallCR.VeleroInstall{},
})
if err != nil {
return err
}
// Watch for changes to CredentialsRequest
err = c.Watch(&source.Kind{Type: &minterv1.CredentialsRequest{}}, &handler.EnqueueRequestForOwner{
IsController: true,
OwnerType: &veleroInstallCR.VeleroInstall{},
})
if err != nil {
return err
}
// Watch for changes to Deployments
err = c.Watch(&source.Kind{Type: &appsv1.Deployment{}}, &handler.EnqueueRequestForOwner{
IsController: true,
OwnerType: &veleroInstallCR.VeleroInstall{},
})
if err != nil {
return err
}
return nil
}
// blank assignment to verify that ReconcileVelero implements reconcile.Reconciler
var _ reconcile.Reconciler = &ReconcileVelero{}
// ReconcileVelero reconciles a Velero object
type ReconcileVelero struct {
// This client, initialized using mgr.Client() above, is a split client
// that reads objects from the cache and writes to the apiserver
client client.Client
scheme *runtime.Scheme
driver storage.Driver
}
// Reconcile reads that state of the cluster for a Velero object and makes changes based on the state read
// and what is in the Velero.Spec
func (r *ReconcileVelero) Reconcile(context context.Context, request reconcile.Request) (reconcile.Result, error) {
reqLogger := log.WithValues("Request.Namespace", request.Namespace, "Request.Name", request.Name)
reqLogger.Info("Reconciling Velero Installation")
var err error
// Fetch the Velero instance
instance := &veleroInstallCR.VeleroInstall{}
err = r.client.Get(context, request.NamespacedName, instance)
if err != nil {
if errors.IsNotFound(err) {
// Request object not found, could have been deleted after reconcile request.
// Owned objects are automatically garbage collected. For additional cleanup logic use finalizers.
// Return and don't requeue
return reconcile.Result{}, nil
}
// Error reading the object - requeue the request.
return reconcile.Result{}, err
}
// Grab infrastructureStatus to determine where OpenShift is installed.
pc, err := platformutils.NewClient(context)
if err != nil {
return reconcile.Result{}, err
}
infraStatus, err := pc.GetInfrastructureStatus()
if err != nil {
return reconcile.Result{}, err
}
// Create the Storage Driver
if r.driver == nil {
r.driver, err = storage.NewDriver(infraStatus, r.client)
if err != nil {
return reconcile.Result{}, err
}
}
// Check if bucket needs to be reconciled
if instance.StorageBucketReconcileRequired(s3ReconcilePeriod) {
// Create storage using the storage driver
// Always return from this, as we will either be updating the status *or* there will be an error.
return reconcile.Result{}, r.driver.CreateStorage(reqLogger, instance)
}
// Now go provision Velero
return r.provisionVelero(reqLogger, request.Namespace, infraStatus.PlatformStatus, instance)
}