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package main
import (
"fmt"
"io"
"os"
"github.com/containers/image/types"
"github.com/containers/storage/pkg/archive"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/libpod"
"github.com/projectatomic/libpod/libpod/common"
"github.com/urfave/cli"
"golang.org/x/crypto/ssh/terminal"
)
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.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 kpod-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
args := c.Args()
if len(args) < 2 {
return errors.New("kpod push requires exactly 2 arguments")
}
if err := validateFlags(c, pushFlags); err != nil {
return err
}
srcName := c.Args().Get(0)
destName := c.Args().Get(1)
registryCredsString := c.String("creds")
certPath := c.String("cert-dir")
skipVerify := !c.BoolT("tls-verify")
removeSignatures := c.Bool("remove-signatures")
signBy := c.String("sign-by")
if registryCredsString != "" {
creds, err := common.ParseRegistryCreds(registryCredsString)
if err != nil {
if err == common.ErrNoPassword {
fmt.Print("Password: ")
password, err := terminal.ReadPassword(0)
if err != nil {
return errors.Wrapf(err, "could not read password from terminal")
}
creds.Password = string(password)
} else {
return err
}
}
registryCreds = creds
}
runtime, err := 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.Stdout
}
options := libpod.CopyOptions{
Compression: archive.Uncompressed,
SignaturePolicyPath: c.String("signature-policy"),
DockerRegistryOptions: common.DockerRegistryOptions{
DockerRegistryCreds: registryCreds,
DockerCertPath: certPath,
DockerInsecureSkipTLSVerify: skipVerify,
},
SigningOptions: common.SigningOptions{
RemoveSignatures: removeSignatures,
SignBy: signBy,
},
AuthFile: c.String("authfile"),
Writer: writer,
}
return runtime.PushImage(srcName, destName, options)
}
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