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plugins_config.go
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/
plugins_config.go
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package controller
import (
"context"
"fmt"
"github.com/aquasecurity/starboard/pkg/apis/aquasecurity/v1alpha1"
"github.com/aquasecurity/starboard/pkg/configauditreport"
"github.com/aquasecurity/starboard/pkg/ext"
"github.com/aquasecurity/starboard/pkg/kube"
"github.com/aquasecurity/starboard/pkg/operator/etc"
"github.com/aquasecurity/starboard/pkg/operator/predicate"
"github.com/aquasecurity/starboard/pkg/starboard"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
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/reconcile"
)
type PluginsConfigReconciler struct {
logr.Logger
etc.Config
client.Client
starboard.PluginContext
configauditreport.Plugin
}
func (r *PluginsConfigReconciler) SetupWithManager(mgr ctrl.Manager) error {
opts := builder.WithPredicates(
predicate.Not(predicate.IsBeingTerminated),
predicate.HasName(starboard.GetPluginConfigMapName(r.PluginContext.GetName())),
predicate.InNamespace(r.Config.Namespace))
for _, kind := range r.Plugin.SupportedKinds() {
if kube.IsClusterScopedKind(string(kind)) {
err := ctrl.NewControllerManagedBy(mgr).
For(&corev1.ConfigMap{}, opts).
Complete(r.reconcileClusterConfig(kind))
if err != nil {
return err
}
} else {
err := ctrl.NewControllerManagedBy(mgr).
For(&corev1.ConfigMap{}, opts).
Complete(r.reconcileConfig(kind))
if err != nil {
return err
}
}
}
return nil
}
func (r *PluginsConfigReconciler) reconcileConfig(kind kube.Kind) reconcile.Func {
return func(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
log := r.Logger.WithValues("configMap", req.NamespacedName)
cm := &corev1.ConfigMap{}
err := r.Client.Get(ctx, req.NamespacedName, cm)
if err != nil {
if errors.IsNotFound(err) {
log.V(1).Info("Ignoring cached ConfigMap that must have been deleted")
return ctrl.Result{}, nil
}
return ctrl.Result{}, fmt.Errorf("getting ConfigMap from cache: %w", err)
}
configHash, err := r.Plugin.ConfigHash(r.PluginContext, kind)
if err != nil {
return ctrl.Result{}, fmt.Errorf("getting config hash: %w", err)
}
labelSelector, err := labels.Parse(fmt.Sprintf("%s!=%s,%s=%s",
starboard.LabelPluginConfigHash, configHash,
starboard.LabelResourceKind, kind))
if err != nil {
return ctrl.Result{}, fmt.Errorf("parsing label selector: %w", err)
}
var reportList v1alpha1.ConfigAuditReportList
err = r.Client.List(ctx, &reportList,
client.Limit(r.Config.BatchDeleteLimit+1),
client.MatchingLabelsSelector{Selector: labelSelector})
if err != nil {
return ctrl.Result{}, fmt.Errorf("listing reports: %w", err)
}
log.V(1).Info("Listing ConfigAuditReports",
"reportsCount", len(reportList.Items),
"batchDeleteLimit", r.Config.BatchDeleteLimit,
"labelSelector", labelSelector.String())
for i := 0; i < ext.MinInt(r.Config.BatchDeleteLimit, len(reportList.Items)); i++ {
report := reportList.Items[i]
log.V(1).Info("Deleting ConfigAuditReport", "report", report.Namespace+"/"+report.Name)
err := r.Client.Delete(ctx, &report)
if err != nil {
if !errors.IsNotFound(err) {
return ctrl.Result{}, fmt.Errorf("deleting ConfigAuditReport: %w", err)
}
}
}
if len(reportList.Items)-r.Config.BatchDeleteLimit > 0 {
log.V(1).Info("Requeuing reconciliation key", "requeueAfter", r.Config.BatchDeleteDelay)
return ctrl.Result{RequeueAfter: r.Config.BatchDeleteDelay}, nil
}
log.V(1).Info("Finished reconciling key", "labelSelector", labelSelector)
return ctrl.Result{}, nil
}
}
func (r *PluginsConfigReconciler) reconcileClusterConfig(kind kube.Kind) reconcile.Func {
return func(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
log := r.Logger.WithValues("configMap", req.NamespacedName)
cm := &corev1.ConfigMap{}
err := r.Client.Get(ctx, req.NamespacedName, cm)
if err != nil {
if errors.IsNotFound(err) {
log.V(1).Info("Ignoring cached ConfigMap that must have been deleted")
return ctrl.Result{}, nil
}
return ctrl.Result{}, fmt.Errorf("getting ConfigMap from cache: %w", err)
}
configHash, err := r.Plugin.ConfigHash(r.PluginContext, kind)
if err != nil {
return ctrl.Result{}, fmt.Errorf("getting config hash: %w", err)
}
labelSelector, err := labels.Parse(fmt.Sprintf("%s!=%s,%s=%s",
starboard.LabelPluginConfigHash, configHash,
starboard.LabelResourceKind, kind))
if err != nil {
return ctrl.Result{}, fmt.Errorf("parsing label selector: %w", err)
}
var clusterReportList v1alpha1.ClusterConfigAuditReportList
err = r.Client.List(ctx, &clusterReportList,
client.Limit(r.Config.BatchDeleteLimit+1),
client.MatchingLabelsSelector{Selector: labelSelector})
if err != nil {
return ctrl.Result{}, fmt.Errorf("listing reports: %w", err)
}
log.V(1).Info("Listing ClusterConfigAuditReports",
"reportsCount", len(clusterReportList.Items),
"batchDeleteLimit", r.Config.BatchDeleteLimit,
"labelSelector", labelSelector)
for i := 0; i < ext.MinInt(r.Config.BatchDeleteLimit, len(clusterReportList.Items)); i++ {
report := clusterReportList.Items[i]
log.V(1).Info("Deleting ClusterConfigAuditReport", "report", report.Name)
err := r.Client.Delete(ctx, &report)
if err != nil {
if !errors.IsNotFound(err) {
return ctrl.Result{}, fmt.Errorf("deleting ClusterConfigAuditReport: %w", err)
}
}
}
if len(clusterReportList.Items)-r.Config.BatchDeleteLimit > 0 {
log.V(1).Info("Requeuing reconciliation key", "requeueAfter", r.Config.BatchDeleteDelay)
return ctrl.Result{RequeueAfter: r.Config.BatchDeleteDelay}, nil
}
log.V(1).Info("Finished reconciling key", "labelSelector", labelSelector)
return ctrl.Result{}, nil
}
}