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package main
import (
"fmt"
"io"
"os"
"strings"
"github.com/containers/image/manifest"
"github.com/containers/image/types"
imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/cmd/podman/libpodruntime"
"github.com/projectatomic/libpod/libpod"
"github.com/projectatomic/libpod/libpod/image"
"github.com/projectatomic/libpod/pkg/util"
"github.com/urfave/cli"
)
var (
pushFlags = []cli.Flag{
cli.StringFlag{
Name: "signature-policy",
Usage: "`pathname` of signature policy file (not usually used)",
Hidden: true,
},
cli.StringFlag{
Name: "creds",
Usage: "`credentials` (USERNAME:PASSWORD) to use for authenticating to a registry",
},
cli.StringFlag{
Name: "cert-dir",
Usage: "`pathname` of a directory containing TLS certificates and keys",
},
cli.BoolFlag{
Name: "compress",
Usage: "compress tarball image layers when pushing to a directory using the 'dir' transport. (default is same compression type as source)",
},
cli.StringFlag{
Name: "format, f",
Usage: "manifest type (oci, v2s1, or v2s2) to use when pushing an image using the 'dir:' transport (default is manifest type of source)",
},
cli.BoolTFlag{
Name: "tls-verify",
Usage: "require HTTPS and verify certificates when contacting registries (default: true)",
},
cli.BoolFlag{
Name: "remove-signatures",
Usage: "discard any pre-existing signatures in the image",
},
cli.StringFlag{
Name: "sign-by",
Usage: "add a signature at the destination using the specified key",
},
cli.BoolFlag{
Name: "quiet, q",
Usage: "don't output progress information when pushing images",
},
cli.StringFlag{
Name: "authfile",
Usage: "Path of the authentication file. Default is ${XDG_RUNTIME_DIR}/containers/auth.json",
},
}
pushDescription = fmt.Sprintf(`
Pushes an image to a specified location.
The Image "DESTINATION" uses a "transport":"details" format.
See podman-push(1) section "DESTINATION" for the expected format`)
pushCommand = cli.Command{
Name: "push",
Usage: "Push an image to a specified destination",
Description: pushDescription,
Flags: pushFlags,
Action: pushCmd,
ArgsUsage: "IMAGE DESTINATION",
}
)
func pushCmd(c *cli.Context) error {
var (
registryCreds *types.DockerAuthConfig
destName string
forceSecure bool
)
args := c.Args()
if len(args) == 0 || len(args) > 2 {
return errors.New("podman push requires at least one image name, and optionally a second to specify a different destination name")
}
srcName := args[0]
switch len(args) {
case 1:
destName = args[0]
case 2:
destName = args[1]
}
if err := validateFlags(c, pushFlags); err != nil {
return err
}
// --compress and --format can only be used for the "dir" transport
splitArg := strings.SplitN(destName, ":", 2)
if c.IsSet("compress") || c.IsSet("format") {
if splitArg[0] != libpod.DirTransport {
return errors.Errorf("--compress and --format can be set only when pushing to a directory using the 'dir' transport")
}
}
certPath := c.String("cert-dir")
skipVerify := !c.BoolT("tls-verify")
removeSignatures := c.Bool("remove-signatures")
signBy := c.String("sign-by")
if c.IsSet("creds") {
creds, err := util.ParseRegistryCreds(c.String("creds"))
if err != nil {
return err
}
registryCreds = creds
}
runtime, err := libpodruntime.GetRuntime(c)
if err != nil {
return errors.Wrapf(err, "could not create runtime")
}
defer runtime.Shutdown(false)
var writer io.Writer
if !c.Bool("quiet") {
writer = os.Stderr
}
var manifestType string
if c.IsSet("format") {
switch c.String("format") {
case "oci":
manifestType = imgspecv1.MediaTypeImageManifest
case "v2s1":
manifestType = manifest.DockerV2Schema1SignedMediaType
case "v2s2", "docker":
manifestType = manifest.DockerV2Schema2MediaType
default:
return fmt.Errorf("unknown format %q. Choose on of the supported formats: 'oci', 'v2s1', or 'v2s2'", c.String("format"))
}
}
if c.IsSet("tls-verify") {
forceSecure = c.Bool("tls-verify")
}
dockerRegistryOptions := image.DockerRegistryOptions{
DockerRegistryCreds: registryCreds,
DockerCertPath: certPath,
DockerInsecureSkipTLSVerify: skipVerify,
}
so := image.SigningOptions{
RemoveSignatures: removeSignatures,
SignBy: signBy,
}
newImage, err := runtime.ImageRuntime().NewFromLocal(srcName)
if err != nil {
return err
}
//return runtime.PushImage(srcName, destName, options)
return newImage.PushImage(getContext(), destName, manifestType, c.String("authfile"), c.String("signature-policy"), writer, c.Bool("compress"), so, &dockerRegistryOptions, forceSecure, nil)
}
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