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aerospikecluster_controller.go
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aerospikecluster_controller.go
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package controllers
import (
"context"
"runtime"
"github.com/go-logr/logr"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/api/errors"
k8sRuntime "k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/record"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/builder"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
asdbv1 "github.com/aerospike/aerospike-kubernetes-operator/api/v1"
)
const patchFieldOwner = "aerospike-kuberneter-operator"
const finalizerName = "asdb.aerospike.com/storage-finalizer"
// Number of Reconcile threads to run Reconcile operations
var maxConcurrentReconciles = runtime.NumCPU() * 2
var (
updateOption = &client.UpdateOptions{
FieldManager: "aerospike-operator",
}
createOption = &client.CreateOptions{
FieldManager: "aerospike-operator",
}
)
// AerospikeClusterReconciler reconciles AerospikeClusters
type AerospikeClusterReconciler struct {
client.Client
Recorder record.EventRecorder
KubeClient *kubernetes.Clientset
KubeConfig *rest.Config
Scheme *k8sRuntime.Scheme
Log logr.Logger
}
// SetupWithManager sets up the controller with the Manager
func (r *AerospikeClusterReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&asdbv1.AerospikeCluster{}).
Owns(
&appsv1.StatefulSet{}, builder.WithPredicates(
predicate.Funcs{
CreateFunc: func(e event.CreateEvent) bool {
return false
},
UpdateFunc: func(e event.UpdateEvent) bool {
return false
},
},
),
).
WithOptions(
controller.Options{
MaxConcurrentReconciles: maxConcurrentReconciles,
},
).
WithEventFilter(predicate.Or(predicate.GenerationChangedPredicate{}, predicate.LabelChangedPredicate{})).
Complete(r)
}
// RackState contains the rack configuration and rack size.
type RackState struct {
Rack *asdbv1.Rack
Size int
}
// +kubebuilder:rbac:groups=core,resources=pods,verbs=get;list;watch;delete
// +kubebuilder:rbac:groups=core,resources=pods/exec,verbs=create
// +kubebuilder:rbac:groups=core,resources=services,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core,resources=persistentvolumeclaims,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core,resources=events,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core,resources=configmaps,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core,resources=secrets,verbs=get
// +kubebuilder:rbac:groups=apps,resources=statefulsets,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=policy,resources=poddisruptionbudgets,verbs=get;create;update;patch;delete
//nolint:lll // marker
// +kubebuilder:rbac:groups=asdb.aerospike.com,resources=aerospikeclusters,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=asdb.aerospike.com,resources=aerospikeclusters/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=asdb.aerospike.com,resources=aerospikeclusters/finalizers,verbs=update
// Reconcile AerospikeCluster object
func (r *AerospikeClusterReconciler) Reconcile(
_ context.Context, request reconcile.Request,
) (ctrl.Result, error) {
log := r.Log.WithValues("aerospikecluster", request.NamespacedName)
log.Info("Reconciling AerospikeCluster")
// Fetch the AerospikeCluster instance
aeroCluster := &asdbv1.AerospikeCluster{}
if err := r.Client.Get(context.TODO(), request.NamespacedName, aeroCluster); err != nil {
if errors.IsNotFound(err) {
// Request object not found, could have been deleted after Reconcile request.
return reconcile.Result{}, nil
}
// Error reading the object - requeue the request.
return reconcile.Result{Requeue: true}, err
}
cr := SingleClusterReconciler{
aeroCluster: aeroCluster,
Client: r.Client,
KubeClient: r.KubeClient,
KubeConfig: r.KubeConfig,
Log: log,
Scheme: r.Scheme,
Recorder: r.Recorder,
}
return cr.Reconcile()
}