| /* |
| Copyright 2018 The Kubernetes Authors. |
| |
| 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 ( |
| "errors" |
| "fmt" |
| "os" |
| "path/filepath" |
| "runtime" |
| "strings" |
| ) |
| |
| // GetK8sRootDir returns the root directory for kubernetes, if present in the gopath. |
| func GetK8sRootDir() (string, error) { |
| dir, err := RootDir() |
| if err != nil { |
| return "", err |
| } |
| return filepath.Join(dir, fmt.Sprintf("%s/", "k8s.io/kubernetes")), nil |
| } |
| |
| // GetCAdvisorRootDir returns the root directory for cAdvisor, if present in the gopath. |
| func GetCAdvisorRootDir() (string, error) { |
| dir, err := RootDir() |
| if err != nil { |
| return "", err |
| } |
| return filepath.Join(dir, fmt.Sprintf("%s/", "github.com/google/cadvisor")), nil |
| } |
| |
| // RootDir gets the on-disk kubernetes source directory, returning an error is none is found |
| func RootDir() (string, error) { |
| // Get the directory of the current executable |
| _, testExec, _, _ := runtime.Caller(0) |
| path := filepath.Dir(testExec) |
| |
| // Look for the kubernetes source root directory |
| if strings.Contains(path, "k8s.io/kubernetes") { |
| splitPath := strings.Split(path, "k8s.io/kubernetes") |
| return splitPath[0], nil |
| } |
| |
| return "", errors.New("could not find kubernetes source root directory") |
| } |
| |
| // GetK8sBuildOutputDir returns the build output directory for k8s |
| func GetK8sBuildOutputDir() (string, error) { |
| k8sRoot, err := GetK8sRootDir() |
| if err != nil { |
| return "", err |
| } |
| buildOutputDir := filepath.Join(k8sRoot, "_output/local/go/bin") |
| if _, err := os.Stat(buildOutputDir); err != nil { |
| return "", err |
| } |
| return buildOutputDir, nil |
| } |