registrypush

package
v0.0.0 Latest Latest
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 Go to latest Published: Oct 5, 2026 License: Apache-2.0 Imports: 0 Imported by: 0

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Index

Constants

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const TransferTokenHeader = "X-Registry-Push-Transfer-Token" // #nosec G101 -- HTTP header name, not credential material.

TransferTokenHeader is the HTTP header carrying one-time registry push tar tokens.

Variables

This section is empty.

Functions

func CopyReaderToTempFile 

func CopyReaderToTempFile(r io.Reader) (string, error)

CopyReaderToTempFile writes r to a temporary docker archive file and returns its path.

func EnsureHelperNamespace 

func EnsureHelperNamespace(ctx context.Context, client kubernetes.Interface, namespace string) error

EnsureHelperNamespace verifies the helper namespace exists.

func ParsePortOrDefault 

func ParsePortOrDefault(value string, def int) int

ParsePortOrDefault parses a service port string or returns def.

func PushDockerArchive 

func PushDockerArchive(ctx context.Context, client kubernetes.Interface, restConfig *rest.Config, tarPath, target string, cfg Config) (retErr error)

PushDockerArchive pushes a docker save tar to target using a short-lived skopeo helper pod inside the cluster.

func RewritePushTarget 

func RewritePushTarget(target string, hosts Hosts) string

RewritePushTarget replaces the registry host in target when it matches a bundled internal registry hostname. Targets already using cluster DNS or external registries are returned unchanged.

Types

type Config 

type Config struct {
	HelperNamespace string
	SkopeoImage     string
	HelperTimeout   time.Duration
	Hosts           Hosts
	// TarFetchURL, when set, skips exec-based tar copy and runs a one-shot helper
	// pod that downloads the archive from this URL before invoking skopeo.
	TarFetchURL string
	// TarFetchToken is sent as X-Registry-Push-Transfer-Token when fetching TarFetchURL.
	TarFetchToken string
}

Config controls in-cluster registry push helper behavior.

type Hosts 

type Hosts struct {
	InternalHostnames []string
	ServiceName       string
	ServiceNamespace  string
	ServicePort       int
}

Hosts identifies bundled registry hostnames that should be rewritten to an in-cluster service DNS name for skopeo pushes from inside the cluster.

Source Files

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