k8s.io/kubernetes@v1.29.3/test/e2e_node/builder/build.go (about) 1 /* 2 Copyright 2016 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package builder 18 19 import ( 20 "flag" 21 "fmt" 22 "os" 23 "os/exec" 24 "path/filepath" 25 "strings" 26 27 "k8s.io/klog/v2" 28 "k8s.io/kubernetes/test/utils" 29 ) 30 31 var k8sBinDir = flag.String("k8s-bin-dir", "", "Directory containing k8s kubelet binaries.") 32 var useDockerizedBuild = flag.Bool("use-dockerized-build", false, "Use dockerized build for test artifacts") 33 var targetBuildArch = flag.String("target-build-arch", "linux/amd64", "Target architecture for the test artifacts for dockerized build") 34 35 var buildCGOTargets = []string{ 36 "cmd/kubelet", 37 } 38 39 var buildNoCGOTargets = []string{ 40 "test/e2e_node/e2e_node.test", 41 "github.com/onsi/ginkgo/v2/ginkgo", 42 "cluster/gce/gci/mounter", 43 "test/e2e_node/plugins/gcp-credential-provider", 44 } 45 46 // BuildGo builds k8s binaries. 47 func BuildGo() error { 48 if err := BuildTargets(true); err != nil { 49 return fmt.Errorf("unable to build cgo targets : %w", err) 50 } 51 if err := BuildTargets(false); err != nil { 52 return fmt.Errorf("unable to build non-cgo targets : %w", err) 53 } 54 return nil 55 } 56 57 // BuildGo builds k8s binaries. 58 func BuildTargets(cgo bool) error { 59 klog.Infof("Building k8s binaries...") 60 k8sRoot, err := utils.GetK8sRootDir() 61 if err != nil { 62 return fmt.Errorf("failed to locate kubernetes root directory %v", err) 63 } 64 targets := buildCGOTargets 65 if !cgo { 66 targets = buildNoCGOTargets 67 } 68 what := strings.Join(targets, " ") 69 cmd := exec.Command("make", "-C", k8sRoot, 70 fmt.Sprintf("WHAT=%s", what)) 71 if cgo { 72 cmd.Args = append(cmd.Args, "CGO_ENABLED=1") 73 } else { 74 cmd.Args = append(cmd.Args, "CGO_ENABLED=0") 75 } 76 if IsDockerizedBuild() { 77 klog.Infof("Building dockerized k8s binaries targets %s for architecture %s", targets, GetTargetBuildArch()) 78 // Multi-architecture build is only supported in dockerized build 79 cmd = exec.Command(filepath.Join(k8sRoot, "build/run.sh"), "make", fmt.Sprintf("WHAT=%s", what), fmt.Sprintf("KUBE_BUILD_PLATFORMS=%s", GetTargetBuildArch())) 80 } 81 cmd.Stdout = os.Stdout 82 cmd.Stderr = os.Stderr 83 err = cmd.Run() 84 if err != nil { 85 return fmt.Errorf("failed to build go packages %v", err) 86 } 87 return nil 88 } 89 90 // IsDockerizedBuild returns if test needs to use dockerized build 91 func IsDockerizedBuild() bool { 92 return *useDockerizedBuild 93 } 94 95 // GetTargetBuildArch returns the target build architecture for dockerized build 96 func GetTargetBuildArch() string { 97 return *targetBuildArch 98 } 99 100 // IsTargetArchArm64 returns if the target is for linux/arm64 platform 101 func IsTargetArchArm64() bool { 102 return GetTargetBuildArch() == "linux/arm64" 103 } 104 105 func getK8sBin(bin string) (string, error) { 106 // Use commandline specified path 107 if *k8sBinDir != "" { 108 absPath, err := filepath.Abs(*k8sBinDir) 109 if err != nil { 110 return "", err 111 } 112 if _, err := os.Stat(filepath.Join(*k8sBinDir, bin)); err != nil { 113 return "", fmt.Errorf("Could not find %s under directory %s", bin, absPath) 114 } 115 return filepath.Join(absPath, bin), nil 116 } 117 118 path, err := filepath.Abs(filepath.Dir(os.Args[0])) 119 if err != nil { 120 return "", fmt.Errorf("Could not find absolute path of directory containing the tests %s", filepath.Dir(os.Args[0])) 121 } 122 if _, err := os.Stat(filepath.Join(path, bin)); err == nil { 123 return filepath.Join(path, bin), nil 124 } 125 126 buildOutputDir, err := utils.GetK8sBuildOutputDir(IsDockerizedBuild(), GetTargetBuildArch()) 127 if err != nil { 128 return "", err 129 } 130 if _, err := os.Stat(filepath.Join(buildOutputDir, bin)); err == nil { 131 return filepath.Join(buildOutputDir, bin), nil 132 } 133 134 // Give up with error 135 return "", fmt.Errorf("unable to locate %s, Can be defined using --k8s-path", bin) 136 } 137 138 // GetKubeletServerBin returns the path of kubelet binary. 139 func GetKubeletServerBin() string { 140 bin, err := getK8sBin("kubelet") 141 if err != nil { 142 klog.Fatalf("Could not locate kubelet binary %v.", err) 143 } 144 return bin 145 }