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