72 lines
2.1 KiB
Go
72 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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"github.com/GoogleContainerTools/kaniko/pkg/dockerfile"
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"strings"
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"github.com/docker/docker/builder/dockerfile/instructions"
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"github.com/google/go-containerregistry/v1"
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"github.com/sirupsen/logrus"
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)
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type EntrypointCommand struct {
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cmd *instructions.EntrypointCommand
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}
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// ExecuteCommand handles command processing similar to CMD and RUN,
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func (e *EntrypointCommand) ExecuteCommand(config *v1.Config, buildArgs *dockerfile.BuildArgs) error {
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logrus.Info("cmd: ENTRYPOINT")
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var newCommand []string
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if e.cmd.PrependShell {
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// This is the default shell on Linux
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var shell []string
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if len(config.Shell) > 0 {
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shell = config.Shell
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} else {
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shell = append(shell, "/bin/sh", "-c")
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}
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newCommand = append(shell, strings.Join(e.cmd.CmdLine, " "))
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} else {
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newCommand = e.cmd.CmdLine
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}
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logrus.Infof("Replacing Entrypoint in config with %v", newCommand)
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config.Entrypoint = newCommand
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return nil
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}
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// FilesToSnapshot returns an empty array since this is a metadata command
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func (e *EntrypointCommand) FilesToSnapshot() []string {
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return []string{}
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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 (e *EntrypointCommand) CreatedBy() string {
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entrypoint := []string{"ENTRYPOINT"}
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cmdLine := strings.Join(e.cmd.CmdLine, " ")
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if e.cmd.PrependShell {
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// TODO: Support shell command here
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shell := []string{"/bin/sh", "-c"}
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appendedShell := append(entrypoint, shell...)
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return strings.Join(append(appendedShell, cmdLine), " ")
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}
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return strings.Join(append(entrypoint, cmdLine), " ")
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}
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