mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-04 07:49:35 +00:00
123 lines
3.3 KiB
Go
123 lines
3.3 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package builder
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import (
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"flag"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"github.com/golang/glog"
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)
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var k8sBinDir = flag.String("k8s-bin-dir", "", "Directory containing k8s kubelet binaries.")
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var buildTargets = []string{
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"cmd/kubelet",
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"test/e2e_node/e2e_node.test",
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"vendor/github.com/onsi/ginkgo/ginkgo",
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}
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func BuildGo() error {
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glog.Infof("Building k8s binaries...")
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k8sRoot, err := GetK8sRootDir()
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if err != nil {
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return fmt.Errorf("failed to locate kubernetes root directory %v.", err)
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}
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targets := strings.Join(buildTargets, " ")
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cmd := exec.Command("make", "-C", k8sRoot, fmt.Sprintf("WHAT=%s", targets))
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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err = cmd.Run()
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if err != nil {
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return fmt.Errorf("failed to build go packages %v\n", err)
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}
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return nil
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}
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func getK8sBin(bin string) (string, error) {
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// Use commandline specified path
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if *k8sBinDir != "" {
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absPath, err := filepath.Abs(*k8sBinDir)
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if err != nil {
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return "", err
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}
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if _, err := os.Stat(filepath.Join(*k8sBinDir, bin)); err != nil {
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return "", fmt.Errorf("Could not find %s under directory %s.", bin, absPath)
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}
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return filepath.Join(absPath, bin), nil
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}
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path, err := filepath.Abs(filepath.Dir(os.Args[0]))
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if err != nil {
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return "", fmt.Errorf("Could not find absolute path of directory containing the tests %s.", filepath.Dir(os.Args[0]))
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}
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if _, err := os.Stat(filepath.Join(path, bin)); err == nil {
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return filepath.Join(path, bin), nil
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}
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buildOutputDir, err := GetK8sBuildOutputDir()
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if err != nil {
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return "", err
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}
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if _, err := os.Stat(filepath.Join(buildOutputDir, bin)); err == nil {
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return filepath.Join(buildOutputDir, bin), nil
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}
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// Give up with error
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return "", fmt.Errorf("Unable to locate %s. Can be defined using --k8s-path.", bin)
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}
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// TODO: Dedup / merge this with comparable utilities in e2e/util.go
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func GetK8sRootDir() (string, error) {
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// Get the directory of the current executable
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_, testExec, _, _ := runtime.Caller(0)
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path := filepath.Dir(testExec)
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// Look for the kubernetes source root directory
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if strings.Contains(path, "k8s.io/kubernetes") {
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splitPath := strings.Split(path, "k8s.io/kubernetes")
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return filepath.Join(splitPath[0], "k8s.io/kubernetes/"), nil
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}
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return "", fmt.Errorf("Could not find kubernetes source root directory.")
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}
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func GetK8sBuildOutputDir() (string, error) {
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k8sRoot, err := GetK8sRootDir()
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if err != nil {
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return "", err
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}
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buildOutputDir := filepath.Join(k8sRoot, "_output/local/go/bin")
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if _, err := os.Stat(buildOutputDir); err != nil {
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return "", err
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}
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return buildOutputDir, nil
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}
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func GetKubeletServerBin() string {
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bin, err := getK8sBin("kubelet")
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if err != nil {
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glog.Fatalf("Could not locate kubelet binary %v.", err)
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}
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return bin
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}
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