package manifest import ( "context" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/manifest/store" "github.com/docker/cli/cli/manifest/types" "github.com/docker/distribution/reference" ) type osArch struct { os string arch string } // Remove any unsupported os/arch combo // list of valid os/arch values (see "Optional Environment Variables" section // of https://golang.org/doc/install/source // Added linux/s390x as we know System z support already exists var validOSArches = map[osArch]bool{ {os: "darwin", arch: "386"}: true, {os: "darwin", arch: "amd64"}: true, {os: "darwin", arch: "arm"}: true, {os: "darwin", arch: "arm64"}: true, {os: "dragonfly", arch: "amd64"}: true, {os: "freebsd", arch: "386"}: true, {os: "freebsd", arch: "amd64"}: true, {os: "freebsd", arch: "arm"}: true, {os: "linux", arch: "386"}: true, {os: "linux", arch: "amd64"}: true, {os: "linux", arch: "arm"}: true, {os: "linux", arch: "arm64"}: true, {os: "linux", arch: "ppc64le"}: true, {os: "linux", arch: "mips64"}: true, {os: "linux", arch: "mips64le"}: true, {os: "linux", arch: "s390x"}: true, {os: "netbsd", arch: "386"}: true, {os: "netbsd", arch: "amd64"}: true, {os: "netbsd", arch: "arm"}: true, {os: "openbsd", arch: "386"}: true, {os: "openbsd", arch: "amd64"}: true, {os: "openbsd", arch: "arm"}: true, {os: "plan9", arch: "386"}: true, {os: "plan9", arch: "amd64"}: true, {os: "solaris", arch: "amd64"}: true, {os: "windows", arch: "386"}: true, {os: "windows", arch: "amd64"}: true, } func isValidOSArch(os string, arch string) bool { // check for existence of this combo _, ok := validOSArches[osArch{os, arch}] return ok } func normalizeReference(ref string) (reference.Named, error) { namedRef, err := reference.ParseNormalizedNamed(ref) if err != nil { return nil, err } if _, isDigested := namedRef.(reference.Canonical); !isDigested { return reference.TagNameOnly(namedRef), nil } return namedRef, nil } // getManifest from the local store, and fallback to the remote registry if it // doesn't exist locally func getManifest(ctx context.Context, dockerCli command.Cli, listRef, namedRef reference.Named, insecure bool) (types.ImageManifest, error) { data, err := dockerCli.ManifestStore().Get(listRef, namedRef) switch { case store.IsNotFound(err): return dockerCli.RegistryClient(insecure).GetManifest(ctx, namedRef) case err != nil: return types.ImageManifest{}, err default: return data, nil } }