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Add ability to refer to image by name + digest

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Add ability to refer to an image by repository name and digest using the
format repository@digest. Works for pull, push, run, build, and rmi.

Signed-off-by: Andy Goldstein <agoldste@redhat.com>
This commit is contained in:
Andy Goldstein 2015-02-27 02:23:50 +00:00
parent 57ceb4a402
commit 18332a6073
2 changed files with 17 additions and 2 deletions
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10
parsers/parsers.go
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@ -62,11 +62,17 @@ func ParseTCPAddr(addr string, defaultAddr string) (string, error) {
return fmt.Sprintf("tcp://%s:%d", host, p), nil
}
// Get a repos name and returns the right reposName + tag
// Get a repos name and returns the right reposName + tag|digest
// The tag can be confusing because of a port in a repository name.
// Ex: localhost.localdomain:5000/samalba/hipache:latest
// Digest ex: localhost:5000/foo/bar@sha256:bc8813ea7b3603864987522f02a76101c17ad122e1c46d790efc0fca78ca7bfb
func ParseRepositoryTag(repos string) (string, string) {
n := strings.LastIndex(repos, ":")
n := strings.Index(repos, "@")
if n >= 0 {
parts := strings.Split(repos, "@")
return parts[0], parts[1]
}
n = strings.LastIndex(repos, ":")
if n < 0 {
return repos, ""
}