Merge pull request #281 from turkenf/add-jitter

Add jitter to reconcile delay for managed.Reconciler

Author: turkenf

pkg/controller/options.go

@@ -6,6 +6,7 @@ package controller
 
 import (
 	"crypto/tls"
+	"time"
 
 	"github.com/crossplane/crossplane-runtime/pkg/controller"
 	"k8s.io/apimachinery/pkg/runtime/schema"
@@ -38,6 +39,10 @@ type Options struct {
 
 	// ESSOptions for External Secret Stores.
 	ESSOptions *ESSOptions
+
+	// PollJitter adds the specified jitter to the configured reconcile period
+	// of the up-to-date resources in managed.Reconciler.
+	PollJitter time.Duration
 }
 
 // ESSOptions for External Secret Stores.

pkg/pipeline/templates/controller.go.tmpl

@@ -54,6 +54,9 @@ func Setup(mgr ctrl.Manager, o tjcontroller.Options) error {
 		managed.WithConnectionPublishers(cps...),
 		managed.WithPollInterval(o.PollInterval),
 	}
+	if o.PollJitter != 0 {
+	    opts = append(opts, managed.WithPollJitterHook(o.PollJitter))
+	}
 	{{- if .FeaturesPackageAlias }}
 	if o.Features.Enabled({{ .FeaturesPackageAlias }}EnableAlphaManagementPolicies) {
 		opts = append(opts, managed.WithManagementPolicies())