107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
/*
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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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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"github.com/GoogleContainerTools/kaniko/pkg/dockerfile"
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"github.com/GoogleContainerTools/kaniko/pkg/util"
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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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)
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type RunMarkerCommand struct {
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BaseCommand
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cmd *instructions.RunCommand
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Files []string
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}
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func (r *RunMarkerCommand) ExecuteCommand(config *v1.Config, buildArgs *dockerfile.BuildArgs) error {
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// run command `touch filemarker`
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markerFile, err := ioutil.TempFile("", "marker")
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defer func() {
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os.Remove(markerFile.Name())
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}()
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if err := runCommandInExec(config, buildArgs, r.cmd); err != nil {
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return err
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}
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// run command find to find all new files generated
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find := exec.Command("find", "/", "-newer", markerFile.Name())
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out, err := find.Output()
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if err != nil {
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r.Files = []string{}
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return nil
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}
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r.Files = []string{}
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s := strings.Split(string(out), "\n")
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for _, path := range s {
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path = filepath.Clean(path)
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if util.IsDestDir(path) || util.CheckIgnoreList(path) {
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continue
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}
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r.Files = append(r.Files, path)
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}
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return nil
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}
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// String returns some information about the command for the image config
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func (r *RunMarkerCommand) String() string {
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return r.cmd.String()
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}
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func (r *RunMarkerCommand) FilesToSnapshot() []string {
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return nil
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}
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func (r *RunMarkerCommand) ProvidesFilesToSnapshot() bool {
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return false
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}
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// CacheCommand returns true since this command should be cached
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func (r *RunMarkerCommand) CacheCommand(img v1.Image) DockerCommand {
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return &CachingRunCommand{
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img: img,
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cmd: r.cmd,
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extractFn: util.ExtractFile,
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}
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}
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func (r *RunMarkerCommand) MetadataOnly() bool {
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return false
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}
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func (r *RunMarkerCommand) RequiresUnpackedFS() bool {
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return true
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}
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func (r *RunMarkerCommand) ShouldCacheOutput() bool {
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return true
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}
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func (b *BaseCommand) ShouldDetectDelete() bool {
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return true
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}
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