package images import ( "os" "github.com/containers/common/pkg/auth" "github.com/containers/image/v5/types" "github.com/containers/libpod/cmd/podman/registry" "github.com/containers/libpod/pkg/domain/entities" "github.com/pkg/errors" "github.com/spf13/cobra" "github.com/spf13/pflag" ) // pushOptionsWrapper wraps entities.ImagepushOptions and prevents leaking // CLI-only fields into the API types. type pushOptionsWrapper struct { entities.ImagePushOptions TLSVerifyCLI bool // CLI only } var ( pushOptions = pushOptionsWrapper{} pushDescription = `Pushes a source image to a specified destination. The Image "DESTINATION" uses a "transport":"details" format. See podman-push(1) section "DESTINATION" for the expected format.` // Command: podman push pushCmd = &cobra.Command{ Use: "push [flags] SOURCE DESTINATION", Short: "Push an image to a specified destination", Long: pushDescription, RunE: imagePush, Example: `podman push imageID docker://registry.example.com/repository:tag podman push imageID oci-archive:/path/to/layout:image:tag`, } // Command: podman image push // It's basically a clone of `pushCmd` with the exception of being a // child of the images command. imagePushCmd = &cobra.Command{ Use: pushCmd.Use, Short: pushCmd.Short, Long: pushCmd.Long, RunE: pushCmd.RunE, Example: `podman image push imageID docker://registry.example.com/repository:tag podman image push imageID oci-archive:/path/to/layout:image:tag`, } ) func init() { // push registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: pushCmd, }) flags := pushCmd.Flags() pushFlags(flags) // images push registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: imagePushCmd, Parent: imageCmd, }) pushFlags(imagePushCmd.Flags()) } // pushFlags set the flags for the push command. func pushFlags(flags *pflag.FlagSet) { flags.StringVar(&pushOptions.Authfile, "authfile", auth.GetDefaultAuthFile(), "Path of the authentication file. Use REGISTRY_AUTH_FILE environment variable to override") flags.StringVar(&pushOptions.CertDir, "cert-dir", "", "Path to a directory containing TLS certificates and keys") flags.BoolVar(&pushOptions.Compress, "compress", false, "Compress tarball image layers when pushing to a directory using the 'dir' transport. (default is same compression type as source)") flags.StringVar(&pushOptions.Credentials, "creds", "", "`Credentials` (USERNAME:PASSWORD) to use for authenticating to a registry") flags.StringVar(&pushOptions.DigestFile, "digestfile", "", "Write the digest of the pushed image to the specified file") flags.StringVarP(&pushOptions.Format, "format", "f", "", "Manifest type (oci, v2s1, or v2s2) to use when pushing an image using the 'dir' transport (default is manifest type of source)") flags.BoolVarP(&pushOptions.Quiet, "quiet", "q", false, "Suppress output information when pushing images") flags.BoolVar(&pushOptions.RemoveSignatures, "remove-signatures", false, "Discard any pre-existing signatures in the image") flags.StringVar(&pushOptions.SignaturePolicy, "signature-policy", "", "Path to a signature-policy file") flags.StringVar(&pushOptions.SignBy, "sign-by", "", "Add a signature at the destination using the specified key") flags.BoolVar(&pushOptions.TLSVerifyCLI, "tls-verify", true, "Require HTTPS and verify certificates when contacting registries") if registry.IsRemote() { _ = flags.MarkHidden("authfile") _ = flags.MarkHidden("cert-dir") _ = flags.MarkHidden("compress") _ = flags.MarkHidden("quiet") _ = flags.MarkHidden("tls-verify") } _ = flags.MarkHidden("signature-policy") } // imagePush is implement the command for pushing images. func imagePush(cmd *cobra.Command, args []string) error { var source, destination string switch len(args) { case 1: source = args[0] destination = args[0] case 2: source = args[0] destination = args[1] case 0: fallthrough default: return errors.New("push requires at least one image name, or optionally a second to specify a different destination") } // TLS verification in c/image is controlled via a `types.OptionalBool` // which allows for distinguishing among set-true, set-false, unspecified // which is important to implement a sane way of dealing with defaults of // boolean CLI flags. if cmd.Flags().Changed("tls-verify") { pushOptions.SkipTLSVerify = types.NewOptionalBool(!pushOptions.TLSVerifyCLI) } if pushOptions.Authfile != "" { if _, err := os.Stat(pushOptions.Authfile); err != nil { return errors.Wrapf(err, "error getting authfile %s", pushOptions.Authfile) } } // Let's do all the remaining Yoga in the API to prevent us from scattering // logic across (too) many parts of the code. return registry.ImageEngine().Push(registry.GetContext(), source, destination, pushOptions.ImagePushOptions) }