BuildManifestURL from raw image data.

CompareDigest ...

ConvertToHostname strips a url from everything but the hostname part.

CredentialsStore returns a new credentials store based on the settings provided in the configuration file.

EncodeAuth Base64 encode an AuthConfig struct for transmission over HTTP.

EncodedAuth returns an encoded auth config for the given registry loaded from environment variables or docker config as available in that order.

EncodedConfigAuth returns an encoded auth config for the given registry loaded from the docker config Returns an empty string if credentials cannot be found for the referenced server The docker config must be mounted on the container.

EncodedEnvAuth returns an encoded auth config for the given registry loaded from environment variables Returns an error if authentication environment variables have not been set.

ExtractImageAndTag from a concatenated string.

GetAuthURL from the instructions in the challenge.

GetBearerHeader tries to fetch a bearer token from the registry based on the challenge instructions.

GetChallenge fetches a challenge for the registry hosting the provided image.

GetChallengeRequest creates a request for getting challenge instructions.

GetChallengeURL creates a URL object based on the image info.

GetDigest from registry using a HEAD request to prevent rate limiting.

GetPullOptions creates a struct with all options needed for pulling images from a registry.

GetScopeFromImageName normalizes an image name for use as scope during auth and head requests.

NormalizeRegistry makes sure variations of DockerHubs registry.

ParseServerAddress extracts the server part from a container image ref.

TransformAuth from a base64 encoded json object to base64 encoded string.

ChallengeHeader is the HTTP Header containing challenge instructions.

ContentDigestHeader is the key for the key-value pair containing the digest header.

RegistryCredentials is a credential pair used for basic auth.