utils/cluster.go

// Copyright 2023 Red Hat, Inc. and/or its affiliates
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package utils

import (
	"github.com/RHsyseng/operator-utils/pkg/utils/openshift"
	"k8s.io/client-go/rest"
)

var isOpenShift = false

// IsOpenShift is a global flag that can be safely called across reconciliation cycles, defined at the controller manager start.
func IsOpenShift() bool {
	return isOpenShift
}

// SetIsOpenShift sets the global flag isOpenShift by the controller manager.
// We don't need to keep fetching the API every reconciliation cycle that we need to know about the platform.
func SetIsOpenShift(cfg *rest.Config) {
	var err error
	isOpenShift, err = openshift.IsOpenShift(cfg)
	if err != nil {
		panic("Impossible to verify if the cluster is OpenShift or not" + err.Error())
	}
}