| /* |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 defaults |
| |
| import "os" |
| |
| var baseImageOverrideEnvs = []string{"BASE_IMAGE", "RELATED_IMAGE_BASE"} |
| |
| func BaseImage() string { |
| return envOrDefault(baseImage, baseImageOverrideEnvs...) |
| } |
| |
| func envOrDefault(def string, envs ...string) string { |
| for i := range envs { |
| if val := os.Getenv(envs[i]); val != "" { |
| return val |
| } |
| } |
| return def |
| } |