Merge pull request #191 from Vikaspogu/issue-162-sync-period

Fixes#162

main.go

@@ -19,6 +19,8 @@ package main
 import (
 	"flag"
 	"os"
+	"strconv"
+	"time"
 
 	// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
 	// to ensure that exec-entrypoint and run can make use of them.
@@ -70,13 +72,24 @@ func main() {
 
 	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
 
+	var syncPeriod = 36000 * time.Second //Defaults to every 10Hrs
+	if syncPeriodSeconds, ok := os.LookupEnv("SYNC_PERIOD_SECONDS"); ok && syncPeriodSeconds != "" {
+		if syncPeriodSecondsInt, err := strconv.ParseInt(syncPeriodSeconds, 10, 64); err == nil {
+			syncPeriod = time.Duration(syncPeriodSecondsInt) * time.Second
+		} else if err != nil {
+			setupLog.Error(err, "unable to start manager")
+			os.Exit(1)
+		}
+	}
+
 	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
 		Scheme:                 scheme,
 		MetricsBindAddress:     metricsAddr,
 		Port:                   9443,
 		HealthProbeBindAddress: probeAddr,
 		LeaderElection:         enableLeaderElection,
 		LeaderElectionID:       "3d7d3a62.redhat.io",
+		SyncPeriod:             &syncPeriod,
 	})
 	if err != nil {
 		setupLog.Error(err, "unable to start manager")

readme.md

@@ -118,6 +118,8 @@ Additionally, the operator checks for an environment variable named `CACHE_VAULT
 
 By default, or if the variable is set to any other value, the operator will create a new client with a new token for each request it makes to Vault.
 
+SyncPeriod determines the minimum frequency at which watched resources are reconciled. Set the environment variable named `SYNC_PERIOD_SECONDS` to update the frequency at which watched resources are reconciled. It defaults to 10 hours if unset.
+
 For certificates, the recommended approach is to mount the secret or configmap containing the certificate as described [here](https://github.com/operator-framework/operator-lifecycle-manager/blob/master/doc/design/subscription-config.md#volumes), and the configure the corresponding variables to point at the files location in the mounted path.
 
 Here is an example: