66 lines
1.9 KiB
Go
66 lines
1.9 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/containers/image/manifest"
|
|
"github.com/docker/docker/builder/dockerfile/instructions"
|
|
"github.com/sirupsen/logrus"
|
|
"strings"
|
|
)
|
|
|
|
type CmdCommand struct {
|
|
cmd *instructions.CmdCommand
|
|
}
|
|
|
|
// ExecuteCommand executes the CMD command
|
|
// Argument handling is the same as RUN.
|
|
func (c *CmdCommand) ExecuteCommand(config *manifest.Schema2Config) error {
|
|
logrus.Info("cmd: CMD")
|
|
var newCommand []string
|
|
if c.cmd.PrependShell {
|
|
// This is the default shell on Linux
|
|
// TODO: Support shell command here
|
|
shell := []string{"/bin/sh", "-c"}
|
|
newCommand = append(shell, strings.Join(c.cmd.CmdLine, " "))
|
|
} else {
|
|
newCommand = c.cmd.CmdLine
|
|
}
|
|
|
|
logrus.Infof("Replacing CMD in config with %v", newCommand)
|
|
config.Cmd = newCommand
|
|
return nil
|
|
}
|
|
|
|
// FilesToSnapshot returns an empty array since this is a metadata command
|
|
func (c *CmdCommand) FilesToSnapshot() []string {
|
|
return []string{}
|
|
}
|
|
|
|
// CreatedBy returns some information about the command for the image config history
|
|
func (c *CmdCommand) CreatedBy() string {
|
|
cmd := []string{"CMD"}
|
|
cmdLine := strings.Join(c.cmd.CmdLine, " ")
|
|
if c.cmd.PrependShell {
|
|
// TODO: Support shell command here
|
|
shell := []string{"/bin/sh", "-c"}
|
|
appendedShell := append(cmd, shell...)
|
|
return strings.Join(append(appendedShell, cmdLine), " ")
|
|
}
|
|
return strings.Join(append(cmd, cmdLine), " ")
|
|
}
|