github/containerd
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

Merge pull request #2505 from crosbymichael/cmdargs

Browse Source 
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
commit 985920c513
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
oci/spec_opts_unix.go
View File

@ -106,6 +106,12 @@ func WithLinuxNamespace(ns specs.LinuxNamespace) SpecOpts {
// WithImageConfig configures the spec to from the configuration of an Image
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 {
ic, err := image.Config(ctx)
if err != nil {
@ -133,6 +139,9 @@ func WithImageConfig(image Image) SpecOpts {
setProcess(s)
s.Process.Env = append(s.Process.Env, config.Env...)
cmd := config.Cmd
if len(args) > 0 {
cmd = args
}
s.Process.Args = append(config.Entrypoint, cmd...)
cwd := config.WorkingDir
if cwd == "" {