960 lines
24 KiB
Go
Executable File
960 lines
24 KiB
Go
Executable File
/*
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Copyright 2018 Google LLC
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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 commands
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import (
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"archive/tar"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"syscall"
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"testing"
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"github.com/GoogleContainerTools/kaniko/pkg/dockerfile"
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"github.com/GoogleContainerTools/kaniko/testutil"
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v1 "github.com/google/go-containerregistry/pkg/v1"
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"github.com/moby/buildkit/frontend/dockerfile/instructions"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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var copyTests = []struct {
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name string
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sourcesAndDest []string
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expectedDest []string
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}{
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{
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name: "copy foo into tempCopyExecuteTest/",
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sourcesAndDest: []string{"foo", "tempCopyExecuteTest/"},
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expectedDest: []string{"foo"},
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},
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{
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name: "copy foo into tempCopyExecuteTest",
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sourcesAndDest: []string{"foo", "tempCopyExecuteTest"},
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expectedDest: []string{"tempCopyExecuteTest"},
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},
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}
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func setupTestTemp() string {
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tempDir, err := ioutil.TempDir("", "")
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if err != nil {
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logrus.Fatalf("error creating temp dir %s", err)
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}
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logrus.Debugf("Tempdir: %s", tempDir)
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srcPath, err := filepath.Abs("../../integration/context")
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if err != nil {
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logrus.Fatalf("error getting abs path %s", srcPath)
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}
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cperr := filepath.Walk(srcPath,
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func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if path != srcPath {
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if err != nil {
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return err
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}
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tempPath := strings.TrimPrefix(path, srcPath)
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fileInfo, err := os.Stat(path)
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if err != nil {
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return err
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}
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if fileInfo.IsDir() {
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os.MkdirAll(tempDir+"/"+tempPath, 0777)
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} else {
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out, err := os.Create(tempDir + "/" + tempPath)
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if err != nil {
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return err
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}
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defer out.Close()
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in, err := os.Open(path)
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if err != nil {
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return err
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}
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defer in.Close()
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_, err = io.Copy(out, in)
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if err != nil {
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return err
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}
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}
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}
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return nil
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})
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if cperr != nil {
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logrus.Fatalf("error populating temp dir %s", cperr)
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}
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return tempDir
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}
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func TestCopyExecuteCmd(t *testing.T) {
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tempDir := setupTestTemp()
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defer os.RemoveAll(tempDir)
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cfg := &v1.Config{
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Cmd: nil,
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Env: []string{},
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WorkingDir: tempDir,
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}
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for _, test := range copyTests {
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t.Run(test.name, func(t *testing.T) {
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dirList := []string{}
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cmd := CopyCommand{
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cmd: &instructions.CopyCommand{
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SourcesAndDest: test.sourcesAndDest,
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},
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buildcontext: tempDir,
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}
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buildArgs := copySetUpBuildArgs()
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dest := cfg.WorkingDir + "/" + test.sourcesAndDest[len(test.sourcesAndDest)-1]
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err := cmd.ExecuteCommand(cfg, buildArgs)
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if err != nil {
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t.Error()
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}
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fi, err := os.Open(dest)
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if err != nil {
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t.Error()
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}
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defer fi.Close()
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fstat, err := fi.Stat()
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if err != nil {
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t.Error()
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}
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if fstat.IsDir() {
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files, err := ioutil.ReadDir(dest)
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if err != nil {
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t.Error()
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}
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for _, file := range files {
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logrus.Debugf("file: %v", file.Name())
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dirList = append(dirList, file.Name())
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}
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} else {
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dirList = append(dirList, filepath.Base(dest))
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}
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testutil.CheckErrorAndDeepEqual(t, false, err, test.expectedDest, dirList)
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os.RemoveAll(dest)
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})
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}
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}
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func copySetUpBuildArgs() *dockerfile.BuildArgs {
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buildArgs := dockerfile.NewBuildArgs([]string{
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"buildArg1=foo",
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"buildArg2=foo2",
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})
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buildArgs.AddArg("buildArg1", nil)
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d := "default"
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buildArgs.AddArg("buildArg2", &d)
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return buildArgs
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}
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func Test_resolveIfSymlink(t *testing.T) {
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type testCase struct {
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destPath string
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expectedPath string
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err error
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}
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tmpDir, err := ioutil.TempDir("", "copy-test")
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if err != nil {
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t.Error(err)
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}
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baseDir, err := ioutil.TempDir(tmpDir, "not-linked")
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if err != nil {
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t.Error(err)
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}
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path, err := ioutil.TempFile(baseDir, "foo.txt")
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if err != nil {
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t.Error(err)
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}
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thepath, err := filepath.Abs(filepath.Dir(path.Name()))
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if err != nil {
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t.Error(err)
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}
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cases := []testCase{
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{destPath: thepath, expectedPath: thepath, err: nil},
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{destPath: "/", expectedPath: "/", err: nil},
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}
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baseDir = tmpDir
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symLink := filepath.Join(baseDir, "symlink")
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if err := os.Symlink(filepath.Base(thepath), symLink); err != nil {
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t.Error(err)
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}
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cases = append(cases,
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testCase{filepath.Join(symLink, "foo.txt"), filepath.Join(thepath, "foo.txt"), nil},
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testCase{filepath.Join(symLink, "inner", "foo.txt"), filepath.Join(thepath, "inner", "foo.txt"), nil},
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)
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absSymlink := filepath.Join(tmpDir, "abs-symlink")
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if err := os.Symlink(thepath, absSymlink); err != nil {
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t.Error(err)
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}
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cases = append(cases,
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testCase{filepath.Join(absSymlink, "foo.txt"), filepath.Join(thepath, "foo.txt"), nil},
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testCase{filepath.Join(absSymlink, "inner", "foo.txt"), filepath.Join(thepath, "inner", "foo.txt"), nil},
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)
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for i, c := range cases {
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t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
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res, e := resolveIfSymlink(c.destPath)
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if e != c.err {
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t.Errorf("%s: expected %v but got %v", c.destPath, c.err, e)
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}
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if res != c.expectedPath {
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t.Errorf("%s: expected %v but got %v", c.destPath, c.expectedPath, res)
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}
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})
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}
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}
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func Test_CachingCopyCommand_ExecuteCommand(t *testing.T) {
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tempDir := setupTestTemp()
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tarContent, err := prepareTarFixture([]string{"foo.txt"})
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if err != nil {
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t.Errorf("couldn't prepare tar fixture %v", err)
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}
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config := &v1.Config{}
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buildArgs := &dockerfile.BuildArgs{}
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type testCase struct {
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desctiption string
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expectLayer bool
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expectErr bool
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count *int
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expectedCount int
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command *CachingCopyCommand
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extractedFiles []string
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contextFiles []string
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}
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testCases := []testCase{
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func() testCase {
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err = ioutil.WriteFile(filepath.Join(tempDir, "foo.txt"), []byte("meow"), 0644)
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if err != nil {
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t.Errorf("couldn't write tempfile %v", err)
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t.FailNow()
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}
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c := &CachingCopyCommand{
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img: fakeImage{
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ImageLayers: []v1.Layer{
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fakeLayer{TarContent: tarContent},
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},
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},
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buildcontext: tempDir,
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cmd: &instructions.CopyCommand{
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SourcesAndDest: []string{
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"foo.txt", "foo.txt",
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},
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},
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}
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count := 0
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tc := testCase{
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desctiption: "with valid image and valid layer",
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count: &count,
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expectedCount: 1,
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expectLayer: true,
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extractedFiles: []string{"/foo.txt"},
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contextFiles: []string{"foo.txt"},
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}
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c.extractFn = func(_ string, _ *tar.Header, _ io.Reader) error {
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*tc.count++
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return nil
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}
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tc.command = c
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return tc
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}(),
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func() testCase {
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c := &CachingCopyCommand{}
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tc := testCase{
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desctiption: "with no image",
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expectErr: true,
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}
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c.extractFn = func(_ string, _ *tar.Header, _ io.Reader) error {
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return nil
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}
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tc.command = c
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return tc
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}(),
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func() testCase {
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c := &CachingCopyCommand{
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img: fakeImage{},
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}
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c.extractFn = func(_ string, _ *tar.Header, _ io.Reader) error {
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return nil
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}
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return testCase{
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desctiption: "with image containing no layers",
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expectErr: true,
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command: c,
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}
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}(),
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func() testCase {
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c := &CachingCopyCommand{
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img: fakeImage{
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ImageLayers: []v1.Layer{
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fakeLayer{},
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},
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},
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}
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c.extractFn = func(_ string, _ *tar.Header, _ io.Reader) error {
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return nil
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}
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tc := testCase{
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desctiption: "with image one layer which has no tar content",
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expectErr: false, // this one probably should fail but doesn't because of how ExecuteCommand and util.GetFSFromLayers are implemented - cvgw- 2019-11-25
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expectLayer: true,
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}
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tc.command = c
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return tc
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}(),
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}
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for _, tc := range testCases {
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t.Run(tc.desctiption, func(t *testing.T) {
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c := tc.command
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err := c.ExecuteCommand(config, buildArgs)
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if !tc.expectErr && err != nil {
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t.Errorf("Expected err to be nil but was %v", err)
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} else if tc.expectErr && err == nil {
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t.Error("Expected err but was nil")
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}
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if tc.count != nil {
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if *tc.count != tc.expectedCount {
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t.Errorf("Expected extractFn to be called %v times but was called %v times", tc.expectedCount, *tc.count)
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}
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for _, file := range tc.extractedFiles {
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match := false
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cFiles := c.FilesToSnapshot()
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for _, cFile := range cFiles {
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if file == cFile {
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match = true
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break
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}
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}
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if !match {
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t.Errorf("Expected extracted files to include %v but did not %v", file, cFiles)
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}
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}
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cmdFiles, err := c.FilesUsedFromContext(
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config, buildArgs,
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)
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if err != nil {
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t.Errorf("failed to get files used from context from command %v", err)
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}
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if len(cmdFiles) != len(tc.contextFiles) {
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t.Errorf("expected files used from context to equal %v but was %v", tc.contextFiles, cmdFiles)
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}
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}
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if c.layer == nil && tc.expectLayer {
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t.Error("expected the command to have a layer set but instead was nil")
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} else if c.layer != nil && !tc.expectLayer {
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t.Error("expected the command to have no layer set but instead found a layer")
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}
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})
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}
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}
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func TestCopyCommand_ExecuteCommand_Extended(t *testing.T) {
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setupDirs := func(t *testing.T) (string, string) {
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testDir, err := ioutil.TempDir("", "")
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if err != nil {
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t.Fatal(err)
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}
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dir := filepath.Join(testDir, "bar")
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if err := os.MkdirAll(dir, 0777); err != nil {
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t.Fatal(err)
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}
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file := filepath.Join(dir, "bam.txt")
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if err := ioutil.WriteFile(file, []byte("meow"), 0777); err != nil {
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t.Fatal(err)
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}
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targetPath := filepath.Join(dir, "dam.txt")
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if err := ioutil.WriteFile(targetPath, []byte("woof"), 0777); err != nil {
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t.Fatal(err)
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}
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if err := os.Symlink("dam.txt", filepath.Join(dir, "sym.link")); err != nil {
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t.Fatal(err)
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}
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return testDir, filepath.Base(dir)
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}
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t.Run("copy dir to another dir", func(t *testing.T) {
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testDir, srcDir := setupDirs(t)
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defer os.RemoveAll(testDir)
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expected, err := ioutil.ReadDir(filepath.Join(testDir, srcDir))
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if err != nil {
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t.Fatal(err)
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}
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cmd := CopyCommand{
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cmd: &instructions.CopyCommand{
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SourcesAndDest: []string{srcDir, "dest"},
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},
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buildcontext: testDir,
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}
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cfg := &v1.Config{
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Cmd: nil,
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Env: []string{},
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WorkingDir: testDir,
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}
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err = cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
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if err != nil {
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t.Fatal(err)
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}
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testutil.CheckNoError(t, err)
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// Check if "dest" dir exists with contents of srcDir
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actual, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
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if err != nil {
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t.Fatal(err)
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}
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for i, f := range actual {
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testutil.CheckDeepEqual(t, expected[i].Name(), f.Name())
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testutil.CheckDeepEqual(t, expected[i].Mode(), f.Mode())
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}
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})
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t.Run("copy file to a dir", func(t *testing.T) {
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testDir, srcDir := setupDirs(t)
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defer os.RemoveAll(testDir)
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cmd := CopyCommand{
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cmd: &instructions.CopyCommand{
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SourcesAndDest: []string{filepath.Join(srcDir, "bam.txt"), "dest/"},
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},
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buildcontext: testDir,
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}
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cfg := &v1.Config{
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Cmd: nil,
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Env: []string{},
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WorkingDir: testDir,
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}
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err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
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testutil.CheckNoError(t, err)
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// Check if "dest" dir exists with file bam.txt
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files, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
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if err != nil {
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t.Fatal(err)
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}
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testutil.CheckDeepEqual(t, 1, len(files))
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testutil.CheckDeepEqual(t, files[0].Name(), "bam.txt")
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})
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t.Run("copy file to a filepath", func(t *testing.T) {
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testDir, srcDir := setupDirs(t)
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defer os.RemoveAll(testDir)
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cmd := CopyCommand{
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cmd: &instructions.CopyCommand{
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SourcesAndDest: []string{filepath.Join(srcDir, "bam.txt"), "dest"},
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},
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buildcontext: testDir,
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}
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cfg := &v1.Config{
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Cmd: nil,
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Env: []string{},
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WorkingDir: testDir,
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}
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err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
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testutil.CheckNoError(t, err)
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// Check if bam.txt is copied to dest file
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if _, err := os.Lstat(filepath.Join(testDir, "dest")); err != nil {
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t.Fatal(err)
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}
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})
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t.Run("copy file to a dir without trailing /", func(t *testing.T) {
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testDir, srcDir := setupDirs(t)
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defer os.RemoveAll(testDir)
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destDir := filepath.Join(testDir, "dest")
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if err := os.MkdirAll(destDir, 0777); err != nil {
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t.Fatal(err)
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}
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cmd := CopyCommand{
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cmd: &instructions.CopyCommand{
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SourcesAndDest: []string{filepath.Join(srcDir, "bam.txt"), "dest"},
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},
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buildcontext: testDir,
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}
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cfg := &v1.Config{
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Cmd: nil,
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Env: []string{},
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WorkingDir: testDir,
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}
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err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
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testutil.CheckNoError(t, err)
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// Check if "dest" dir exists with file bam.txt
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files, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
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if err != nil {
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t.Fatal(err)
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}
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testutil.CheckDeepEqual(t, 1, len(files))
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testutil.CheckDeepEqual(t, files[0].Name(), "bam.txt")
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})
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t.Run("copy symlink file to a dir", func(t *testing.T) {
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testDir, srcDir := setupDirs(t)
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defer os.RemoveAll(testDir)
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cmd := CopyCommand{
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cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{filepath.Join(srcDir, "sym.link"), "dest/"},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
// Check if "dest" dir exists with link sym.link
|
|
files, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// bam.txt and sym.link should be present
|
|
testutil.CheckDeepEqual(t, 1, len(files))
|
|
testutil.CheckDeepEqual(t, files[0].Name(), "sym.link")
|
|
testutil.CheckDeepEqual(t, true, files[0].Mode()&os.ModeSymlink != 0)
|
|
linkName, err := os.Readlink(filepath.Join(testDir, "dest", "sym.link"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, linkName, "dam.txt")
|
|
})
|
|
|
|
t.Run("copy deadlink symlink file to a dir", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
doesNotExists := filepath.Join(testDir, "dead.txt")
|
|
if err := ioutil.WriteFile(doesNotExists, []byte("remove me"), 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.Symlink("../dead.txt", filepath.Join(testDir, srcDir, "dead.link")); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.Remove(doesNotExists); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{filepath.Join(srcDir, "dead.link"), "dest/"},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
// Check if "dest" dir exists with link dead.link
|
|
files, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, 1, len(files))
|
|
testutil.CheckDeepEqual(t, files[0].Name(), "dead.link")
|
|
testutil.CheckDeepEqual(t, true, files[0].Mode()&os.ModeSymlink != 0)
|
|
linkName, err := os.Readlink(filepath.Join(testDir, "dest", "dead.link"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, linkName, "../dead.txt")
|
|
})
|
|
|
|
t.Run("copy src symlink dir to a dir", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
expected, err := ioutil.ReadDir(filepath.Join(testDir, srcDir))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
another := filepath.Join(testDir, "another")
|
|
os.Symlink(filepath.Join(testDir, srcDir), another)
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{"another", "dest"},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err = cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
// Check if "dest" dir exists with contents of srcDir
|
|
actual, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for i, f := range actual {
|
|
testutil.CheckDeepEqual(t, expected[i].Name(), f.Name())
|
|
testutil.CheckDeepEqual(t, expected[i].Mode(), f.Mode())
|
|
}
|
|
})
|
|
|
|
t.Run("copy dir with a symlink to a file outside of current src dir", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
expected, err := ioutil.ReadDir(filepath.Join(testDir, srcDir))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
anotherSrc := filepath.Join(testDir, "anotherSrc")
|
|
if err := os.MkdirAll(anotherSrc, 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
targetPath := filepath.Join(anotherSrc, "target.txt")
|
|
if err := ioutil.WriteFile(targetPath, []byte("woof"), 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.Symlink(targetPath, filepath.Join(testDir, srcDir, "zSym.link")); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{srcDir, "dest"},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err = cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
// Check if "dest" dir exists contents of srcDir and an extra zSym.link created
|
|
// in this test
|
|
actual, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, 4, len(actual))
|
|
for i, f := range expected {
|
|
testutil.CheckDeepEqual(t, f.Name(), actual[i].Name())
|
|
testutil.CheckDeepEqual(t, f.Mode(), actual[i].Mode())
|
|
}
|
|
linkName, err := os.Readlink(filepath.Join(testDir, "dest", "zSym.link"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, linkName, targetPath)
|
|
})
|
|
|
|
t.Run("copy src symlink dir to a dir", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
expected, err := ioutil.ReadDir(filepath.Join(testDir, srcDir))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
another := filepath.Join(testDir, "another")
|
|
os.Symlink(filepath.Join(testDir, srcDir), another)
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{"another", "dest"},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err = cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
// Check if "dest" dir exists with bam.txt and "dest" dir is a symlink
|
|
actual, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for i, f := range actual {
|
|
testutil.CheckDeepEqual(t, expected[i].Name(), f.Name())
|
|
testutil.CheckDeepEqual(t, expected[i].Mode(), f.Mode())
|
|
}
|
|
})
|
|
|
|
t.Run("copy src dir to a dest dir which is a symlink", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
expected, err := ioutil.ReadDir(filepath.Join(testDir, srcDir))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
dest := filepath.Join(testDir, "dest")
|
|
if err := os.MkdirAll(dest, 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
linkedDest := filepath.Join(testDir, "linkDest")
|
|
if err := os.Symlink(dest, linkedDest); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{srcDir, linkedDest},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err = cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
// Check if "linkdest" dir exists with contents of srcDir
|
|
actual, err := ioutil.ReadDir(filepath.Join(testDir, "linkDest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for i, f := range expected {
|
|
testutil.CheckDeepEqual(t, f.Name(), actual[i].Name())
|
|
testutil.CheckDeepEqual(t, f.Mode(), actual[i].Mode())
|
|
}
|
|
// Check if linkDest -> dest
|
|
linkName, err := os.Readlink(filepath.Join(testDir, "linkDest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, linkName, dest)
|
|
})
|
|
|
|
t.Run("copy src file to a dest dir which is a symlink", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
|
|
dest := filepath.Join(testDir, "dest")
|
|
if err := os.MkdirAll(dest, 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
linkedDest := filepath.Join(testDir, "linkDest")
|
|
if err := os.Symlink(dest, linkedDest); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{fmt.Sprintf("%s/bam.txt", srcDir), linkedDest},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
// Check if "linkDest" link is same.
|
|
actual, err := ioutil.ReadDir(filepath.Join(testDir, "dest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, "bam.txt", actual[0].Name())
|
|
c, err := ioutil.ReadFile(filepath.Join(testDir, "dest", "bam.txt"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, "meow", string(c))
|
|
// Check if linkDest -> dest
|
|
linkName, err := os.Readlink(filepath.Join(testDir, "linkDest"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, linkName, dest)
|
|
})
|
|
|
|
t.Run("copy src file to a dest dir with chown", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
|
|
original := getUserGroup
|
|
defer func() { getUserGroup = original }()
|
|
|
|
uid := os.Getuid()
|
|
gid := os.Getgid()
|
|
|
|
getUserGroup = func(userStr string, _ []string) (int64, int64, error) {
|
|
return int64(uid), int64(gid), nil
|
|
}
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{fmt.Sprintf("%s/bam.txt", srcDir), testDir},
|
|
Chown: "alice:group",
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
|
|
actual, err := ioutil.ReadDir(filepath.Join(testDir))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
testutil.CheckDeepEqual(t, "bam.txt", actual[0].Name())
|
|
|
|
if stat, ok := actual[0].Sys().(*syscall.Stat_t); ok {
|
|
if int(stat.Uid) != uid {
|
|
t.Errorf("uid don't match, got %d, expected %d", stat.Uid, uid)
|
|
}
|
|
if int(stat.Gid) != gid {
|
|
t.Errorf("gid don't match, got %d, expected %d", stat.Gid, gid)
|
|
}
|
|
}
|
|
})
|
|
|
|
t.Run("copy src file to a dest dir with chown and random user", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
|
|
original := getUserGroup
|
|
defer func() { getUserGroup = original }()
|
|
|
|
getUserGroup = func(userStr string, _ []string) (int64, int64, error) {
|
|
return 12345, 12345, nil
|
|
}
|
|
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{fmt.Sprintf("%s/bam.txt", srcDir), testDir},
|
|
Chown: "missing:missing",
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
|
|
err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
if !errors.Is(err, os.ErrPermission) {
|
|
testutil.CheckNoError(t, err)
|
|
}
|
|
})
|
|
|
|
t.Run("copy src dir with relative symlinks in a dir", func(t *testing.T) {
|
|
testDir, srcDir := setupDirs(t)
|
|
defer os.RemoveAll(testDir)
|
|
|
|
// Make another dir inside bar with a relative symlink
|
|
dir := filepath.Join(testDir, srcDir, "another")
|
|
if err := os.MkdirAll(dir, 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
os.Symlink("../bam.txt", filepath.Join(dir, "bam_relative.txt"))
|
|
|
|
dest := filepath.Join(testDir, "copy")
|
|
cmd := CopyCommand{
|
|
cmd: &instructions.CopyCommand{
|
|
SourcesAndDest: []string{srcDir, dest},
|
|
},
|
|
buildcontext: testDir,
|
|
}
|
|
|
|
cfg := &v1.Config{
|
|
Cmd: nil,
|
|
Env: []string{},
|
|
WorkingDir: testDir,
|
|
}
|
|
err := cmd.ExecuteCommand(cfg, dockerfile.NewBuildArgs([]string{}))
|
|
testutil.CheckNoError(t, err)
|
|
actual, err := ioutil.ReadDir(filepath.Join(dest, "another"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, "bam_relative.txt", actual[0].Name())
|
|
linkName, err := os.Readlink(filepath.Join(dest, "another", "bam_relative.txt"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testutil.CheckDeepEqual(t, "../bam.txt", linkName)
|
|
})
|
|
}
|