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

go.mod

@@ -95,3 +95,5 @@ replace github.com/openshift/api => github.com/openshift/api v0.0.0-202408300231
 
 // custom RabbitmqClusterSpecCore for OpenStackControlplane (v2.6.0_patches_tag)
 replace github.com/rabbitmq/cluster-operator/v2 => github.com/openstack-k8s-operators/rabbitmq-cluster-operator/v2 v2.6.1-0.20241017142550-a3524acedd49 //allow-merging
+
+replace github.com/openstack-k8s-operators/lib-common/modules/common => github.com/hjensas/lib-common/modules/common v0.0.0-20250502185338-0f7f4138f43f

go.sum

@@ -49,6 +49,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gophercloud/gophercloud v1.14.1 h1:DTCNaTVGl8/cFu58O1JwWgis9gtISAFONqpMKNg/Vpw=
 github.com/gophercloud/gophercloud v1.14.1/go.mod h1:aAVqcocTSXh2vYFZ1JTvx4EQmfgzxRcNupUfxZbBNDM=
+github.com/hjensas/lib-common/modules/common v0.0.0-20250502185338-0f7f4138f43f h1:X7Ez3hC056nMepO/4zqEwiSvY783tx0D6PYQYqlnFkw=
+github.com/hjensas/lib-common/modules/common v0.0.0-20250502185338-0f7f4138f43f/go.mod h1:UwHXRIrMSPJD3lFqrA4oKmRXVLFQCRkLAj9x6KLEHiQ=
 github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4=
 github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
@@ -82,8 +84,6 @@ github.com/openstack-k8s-operators/infra-operator/apis v0.6.1-0.20250422055748-8
 github.com/openstack-k8s-operators/infra-operator/apis v0.6.1-0.20250422055748-825e3d94da81/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/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

@@ -20,6 +20,7 @@ import (
 	"context"
 	"crypto/tls"
 	"flag"
+	"fmt"
 	"os"
 	"strings"
 
@@ -47,6 +48,8 @@ import (
 	"github.com/openstack-k8s-operators/ironic-operator/controllers"
 	keystonev1beta1 "github.com/openstack-k8s-operators/keystone-operator/api/v1beta1"
 	mariadbv1beta1 "github.com/openstack-k8s-operators/mariadb-operator/api/v1beta1"
+
+	"github.com/openstack-k8s-operators/lib-common/modules/common/operator"
 	//+kubebuilder:scaffold:imports
 )
 
@@ -97,7 +100,7 @@ func main() {
 		c.NextProtos = []string{"http/1.1"}
 	}
 
-	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
+	options := ctrl.Options{
 		Scheme: scheme,
 		Metrics: metricsserver.Options{
 			BindAddress: metricsAddr,
@@ -110,7 +113,15 @@ func main() {
 				Port:    9443,
 				TLSOpts: []func(config *tls.Config){disableHTTP2},
 			}),
-	})
+	}
+
+	err := operator.SetManagerOptions(&options, setupLog)
+	if err != nil {
+		setupLog.Error(err, fmt.Sprintf("unable to set controller options"))
+		os.Exit(1)
+	}
+
+	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), options)
 	if err != nil {
 		setupLog.Error(err, "unable to start manager")
 		os.Exit(1)