108 lines
3.1 KiB
Go
108 lines
3.1 KiB
Go
/*
|
|
Copyright 2018 Google LLC
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package commands
|
|
|
|
import (
|
|
"github.com/GoogleContainerTools/kaniko/pkg/constants"
|
|
"github.com/GoogleContainerTools/kaniko/pkg/util"
|
|
"github.com/containers/image/manifest"
|
|
"github.com/docker/docker/builder/dockerfile/instructions"
|
|
"github.com/sirupsen/logrus"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
type CopyCommand struct {
|
|
cmd *instructions.CopyCommand
|
|
buildcontext string
|
|
snapshotFiles []string
|
|
}
|
|
|
|
func (c *CopyCommand) ExecuteCommand(config *manifest.Schema2Config) error {
|
|
srcs := c.cmd.SourcesAndDest[:len(c.cmd.SourcesAndDest)-1]
|
|
dest := c.cmd.SourcesAndDest[len(c.cmd.SourcesAndDest)-1]
|
|
|
|
logrus.Infof("cmd: copy %s", srcs)
|
|
logrus.Infof("dest: %s", dest)
|
|
|
|
// First, resolve any environment replacement
|
|
resolvedEnvs, err := util.ResolveEnvironmentReplacementList(c.cmd.SourcesAndDest, config.Env, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
dest = resolvedEnvs[len(resolvedEnvs)-1]
|
|
// Resolve wildcards and get a list of resolved sources
|
|
srcs, err = util.ResolveSources(resolvedEnvs, c.buildcontext)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// For each source, iterate through and copy it over
|
|
for _, src := range srcs {
|
|
fullPath := filepath.Join(c.buildcontext, src)
|
|
fi, err := os.Lstat(fullPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
cwd := config.WorkingDir
|
|
if cwd == "" {
|
|
cwd = constants.RootDir
|
|
}
|
|
destPath, err := util.DestinationFilepath(src, dest, cwd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if fi.IsDir() {
|
|
if !filepath.IsAbs(dest) {
|
|
// we need to add '/' to the end to indicate the destination is a directory
|
|
dest = filepath.Join(cwd, dest) + "/"
|
|
}
|
|
if err := util.CopyDir(fullPath, dest); err != nil {
|
|
return err
|
|
}
|
|
copiedFiles, err := util.Files(dest)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
c.snapshotFiles = append(c.snapshotFiles, copiedFiles...)
|
|
} else if fi.Mode()&os.ModeSymlink != 0 {
|
|
// If file is a symlink, we want to create the same relative symlink
|
|
if err := util.CopySymlink(fullPath, destPath); err != nil {
|
|
return err
|
|
}
|
|
c.snapshotFiles = append(c.snapshotFiles, destPath)
|
|
} else {
|
|
// ... Else, we want to copy over a file
|
|
if err := util.CopyFile(fullPath, destPath); err != nil {
|
|
return err
|
|
}
|
|
c.snapshotFiles = append(c.snapshotFiles, destPath)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// FilesToSnapshot should return an empty array if still nil; no files were changed
|
|
func (c *CopyCommand) FilesToSnapshot() []string {
|
|
return c.snapshotFiles
|
|
}
|
|
|
|
// CreatedBy returns some information about the command for the image config
|
|
func (c *CopyCommand) CreatedBy() string {
|
|
return strings.Join(c.cmd.SourcesAndDest, " ")
|
|
}
|