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Diffstat (limited to 'cmd/podman/images/push.go')
-rw-r--r-- | cmd/podman/images/push.go | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/cmd/podman/images/push.go b/cmd/podman/images/push.go new file mode 100644 index 000000000..f12a5ac86 --- /dev/null +++ b/cmd/podman/images/push.go @@ -0,0 +1,120 @@ +package images + +import ( + buildahcli "github.com/containers/buildah/pkg/cli" + "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", buildahcli.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("signature-policy") + _ = flags.MarkHidden("tls-verify") + } +} + +// 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] + 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") + } + + pushOptsAPI := pushOptions.ImagePushOptions + // 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") { + pushOptsAPI.TLSVerify = types.NewOptionalBool(pushOptions.TLSVerifyCLI) + } + + // 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, pushOptsAPI) +} |