Leader election lease tunables

Expose the leader election tunables for lease duration,
renew deadline and retry period via environment variables.

This is inspired by rabbitmq operator exposes the same.

Jira: OSPRH-16335

Depends-On: openstack-k8s-operators/lib-common#627

Author: hjensas

api/go.mod

@@ -3,7 +3,7 @@ module github.com/openstack-k8s-operators/watcher-operator/api
 go 1.21
 
 require (
-	github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250419062702-0acec6a591c8
+	github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250505061650-7cb2f323fb35
 	k8s.io/api v0.29.15
 	k8s.io/apimachinery v0.29.15
 	sigs.k8s.io/controller-runtime v0.17.6

api/go.sum

@@ -75,8 +75,8 @@ github.com/onsi/gomega v1.34.1 h1:EUMJIKUjM8sKjYbtxQI9A4z2o+rruxnzNvpknOXie6k=
 github.com/onsi/gomega v1.34.1/go.mod h1:kU1QgUvBDLXBJq618Xvm2LUX6rSAfRaFRTcdOeDLwwY=
 github.com/openshift/api v3.9.0+incompatible h1:fJ/KsefYuZAjmrr3+5U9yZIZbTOpVkDDLDLFresAeYs=
 github.com/openshift/api v3.9.0+incompatible/go.mod h1:dh9o4Fs58gpFXGSYfnVxGR9PnV53I8TW84pQaJDdGiY=
-github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250419062702-0acec6a591c8 h1:lu9TcW75zo1dMyEIa7adDwzSIBBVpFwrPU9hx6n531c=
-github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250419062702-0acec6a591c8/go.mod h1:UwHXRIrMSPJD3lFqrA4oKmRXVLFQCRkLAj9x6KLEHiQ=
+github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250505061650-7cb2f323fb35 h1:dczrtvVjeDXUR3OhnUQRhVVnN14KX52qp0KXCulo8pA=
+github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250505061650-7cb2f323fb35/go.mod h1:UwHXRIrMSPJD3lFqrA4oKmRXVLFQCRkLAj9x6KLEHiQ=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/openshift/api v3.9.0+incompatible
 	github.com/openstack-k8s-operators/infra-operator/apis v0.6.1-0.20250416140801-46d35b7999b2
 	github.com/openstack-k8s-operators/keystone-operator/api v0.6.1-0.20250420193521-f2b86a82d7e8
-	github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250419062702-0acec6a591c8
+	github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250505061650-7cb2f323fb35
 	github.com/openstack-k8s-operators/lib-common/modules/test v0.6.1-0.20250419062702-0acec6a591c8
 	github.com/openstack-k8s-operators/mariadb-operator/api v0.5.0
 	github.com/openstack-k8s-operators/watcher-operator/api v0.0.0-00010101000000-000000000000

go.sum

@@ -82,8 +82,8 @@ github.com/openstack-k8s-operators/infra-operator/apis v0.6.1-0.20250416140801-4
 github.com/openstack-k8s-operators/infra-operator/apis v0.6.1-0.20250416140801-46d35b7999b2/go.mod h1:+l+sclC6YCRcLcvS3UEGKBf8xya8aExMrmHeA9tMg+k=
 github.com/openstack-k8s-operators/keystone-operator/api v0.6.1-0.20250420193521-f2b86a82d7e8 h1:goExj6wO3m63qMWsavIR+IbnmkJ/H/kN5ypLDAfys+c=
 github.com/openstack-k8s-operators/keystone-operator/api v0.6.1-0.20250420193521-f2b86a82d7e8/go.mod h1:XbNobjVL9/ZRniHFpC8aqZUI//PM/Y9dvnoXTJ8RmPM=
-github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250419062702-0acec6a591c8 h1:lu9TcW75zo1dMyEIa7adDwzSIBBVpFwrPU9hx6n531c=
-github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250419062702-0acec6a591c8/go.mod h1:UwHXRIrMSPJD3lFqrA4oKmRXVLFQCRkLAj9x6KLEHiQ=
+github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250505061650-7cb2f323fb35 h1:dczrtvVjeDXUR3OhnUQRhVVnN14KX52qp0KXCulo8pA=
+github.com/openstack-k8s-operators/lib-common/modules/common v0.6.1-0.20250505061650-7cb2f323fb35/go.mod h1:UwHXRIrMSPJD3lFqrA4oKmRXVLFQCRkLAj9x6KLEHiQ=
 github.com/openstack-k8s-operators/lib-common/modules/openstack v0.6.1-0.20250419062702-0acec6a591c8 h1:40OvFG7lXPdnzy5eOLvOp6pX2sM51M5jhvWbNSmnvew=
 github.com/openstack-k8s-operators/lib-common/modules/openstack v0.6.1-0.20250419062702-0acec6a591c8/go.mod h1:fesgTbs2j30Fhw2hebXkPgbeAIqG0Yk2oaeOklAInZg=
 github.com/openstack-k8s-operators/lib-common/modules/storage v0.6.1-0.20250419062702-0acec6a591c8 h1:oLY6iMNPe3/L5S8EvNcjvfWd1tbCNgfQ+iSnv3UCB0U=

main.go

@@ -41,6 +41,7 @@ import (
 	memcachedv1 "github.com/openstack-k8s-operators/infra-operator/apis/memcached/v1beta1"
 	rabbitmqv1 "github.com/openstack-k8s-operators/infra-operator/apis/rabbitmq/v1beta1"
 	keystonev1 "github.com/openstack-k8s-operators/keystone-operator/api/v1beta1"
+	"github.com/openstack-k8s-operators/lib-common/modules/common/operator"
 	mariadbv1 "github.com/openstack-k8s-operators/mariadb-operator/api/v1beta1"
 
 	watcherv1beta1 "github.com/openstack-k8s-operators/watcher-operator/api/v1beta1"
@@ -108,7 +109,7 @@ func main() {
 		TLSOpts: tlsOpts,
 	})
 
-	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
+	options := ctrl.Options{
 		Scheme: scheme,
 		Metrics: metricsserver.Options{
 			BindAddress:   metricsAddr,
@@ -130,7 +131,15 @@ func main() {
 		// if you are doing or is intended to do any operation such as perform cleanups
 		// after the manager stops then its usage might be unsafe.
 		// LeaderElectionReleaseOnCancel: true,
-	})
+	}
+
+	err := operator.SetManagerOptions(&options, setupLog)
+	if err != nil {
+		setupLog.Error(err, "unable to set manager options")
+		os.Exit(1)
+	}
+
+	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), options)
 	if err != nil {
 		setupLog.Error(err, "unable to start manager")
 		os.Exit(1)