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moby--moby/registry/v2/regexp.go
Andy Goldstein a2b0c9778f Add ability to refer to image by name + digest
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>
2015-03-17 10:10:42 +00:00

22 lines
1 KiB
Go

package v2
import "regexp"
// This file defines regular expressions for use in route definition. These
// are also defined in the registry code base. Until they are in a common,
// shared location, and exported, they must be repeated here.
// RepositoryNameComponentRegexp restricts registtry path components names to
// start with at least two letters or numbers, with following parts able to
// separated by one period, dash or underscore.
var RepositoryNameComponentRegexp = regexp.MustCompile(`[a-z0-9]+(?:[._-][a-z0-9]+)*`)
// RepositoryNameRegexp builds on RepositoryNameComponentRegexp to allow 1 to
// 5 path components, separated by a forward slash.
var RepositoryNameRegexp = regexp.MustCompile(`(?:` + RepositoryNameComponentRegexp.String() + `/){0,4}` + RepositoryNameComponentRegexp.String())
// TagNameRegexp matches valid tag names. From docker/docker:graph/tags.go.
var TagNameRegexp = regexp.MustCompile(`[\w][\w.-]{0,127}`)
// DigestRegexp matches valid digest types.
var DigestRegexp = regexp.MustCompile(`[a-zA-Z0-9-_+.]+:[a-zA-Z0-9-_+.=]+`)