69 lines
2.1 KiB
Go
69 lines
2.1 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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"os"
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"path/filepath"
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"github.com/GoogleContainerTools/kaniko/pkg/dockerfile"
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"github.com/GoogleContainerTools/kaniko/pkg/util"
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"github.com/google/go-containerregistry/pkg/v1"
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"github.com/moby/buildkit/frontend/dockerfile/instructions"
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"github.com/sirupsen/logrus"
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)
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type WorkdirCommand struct {
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cmd *instructions.WorkdirCommand
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snapshotFiles []string
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}
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func (w *WorkdirCommand) ExecuteCommand(config *v1.Config, buildArgs *dockerfile.BuildArgs) error {
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logrus.Info("cmd: workdir")
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workdirPath := w.cmd.Path
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replacementEnvs := buildArgs.ReplacementEnvs(config.Env)
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resolvedWorkingDir, err := util.ResolveEnvironmentReplacement(workdirPath, replacementEnvs, true)
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if err != nil {
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return err
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}
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if filepath.IsAbs(resolvedWorkingDir) {
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config.WorkingDir = resolvedWorkingDir
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} else {
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config.WorkingDir = filepath.Join(config.WorkingDir, resolvedWorkingDir)
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}
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logrus.Infof("Changed working directory to %s", config.WorkingDir)
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// Only create and snapshot the dir if it didn't exist already
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if _, err := os.Stat(config.WorkingDir); os.IsNotExist(err) {
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logrus.Infof("Creating directory %s", config.WorkingDir)
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w.snapshotFiles = []string{config.WorkingDir}
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return os.MkdirAll(config.WorkingDir, 0755)
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}
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return nil
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}
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// FilesToSnapshot returns the workingdir, which should have been created if it didn't already exist
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func (w *WorkdirCommand) FilesToSnapshot() []string {
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return w.snapshotFiles
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}
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// CreatedBy returns some information about the command for the image config history
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func (w *WorkdirCommand) CreatedBy() string {
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return w.cmd.Name() + " " + w.cmd.Path
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}
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