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Merge pull request #2505 from crosbymichael/cmdargs

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Add WithImageConfigArgs to replace CMD on image
This commit is contained in:
Phil Estes
2018-07-27 15:55:13 -04:00
committed by GitHub
parent 362405f7b5 e956441fe0
commit 985920c513
1 changed files with 9 additions and 0 deletions
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9
oci/spec_opts_unix.go
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@@ -106,6 +106,12 @@ func WithLinuxNamespace(ns specs.LinuxNamespace) SpecOpts {
// WithImageConfig configures the spec to from the configuration of an Image // WithImageConfig configures the spec to from the configuration of an Image
func WithImageConfig(image Image) SpecOpts { func WithImageConfig(image Image) SpecOpts {
return WithImageConfigArgs(image, nil)
}
// WithImageConfigArgs configures the spec to from the configuration of an Image with additional args that
// replaces the CMD of the image
func WithImageConfigArgs(image Image, args []string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error { return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
ic, err := image.Config(ctx) ic, err := image.Config(ctx)
if err != nil { if err != nil {
@@ -133,6 +139,9 @@ func WithImageConfig(image Image) SpecOpts {
setProcess(s) setProcess(s)
s.Process.Env = append(s.Process.Env, config.Env...) s.Process.Env = append(s.Process.Env, config.Env...)
cmd := config.Cmd cmd := config.Cmd
if len(args) > 0 {
cmd = args
}
s.Process.Args = append(config.Entrypoint, cmd...) s.Process.Args = append(config.Entrypoint, cmd...)
cwd := config.WorkingDir cwd := config.WorkingDir
if cwd == "" { if cwd == "" {