registry

package
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Published: Nov 9, 2018 License: BSD-3-Clause Imports: 16 Imported by: 0

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Index

Constants

This section is empty.

Variables

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var (
	ErrNoMorePages = errors.New("No more pages")
)

Functions

func Log

func Log(format string, args ...interface{})

* Pass log messages along to Go's "log" module.

func Quiet

func Quiet(format string, args ...interface{})

* Discard log messages silently.

func WrapTransport

func WrapTransport(transport http.RoundTripper, url, username, password string) http.RoundTripper

* Given an existing http.RoundTripper such as http.DefaultTransport, build the * transport stack necessary to authenticate to the Docker registry API. This * adds in support for OAuth bearer tokens and HTTP Basic auth, and sets up * error handling this library relies on.

Types

type AuthorizationChallenge

type AuthorizationChallenge struct {
	Scheme     string
	Parameters map[string]string
}

AuthorizationChallenge carries information from a WWW-Authenticate response header.

type BasicTransport

type BasicTransport struct {
	Transport http.RoundTripper
	URL       string
	Username  string
	Password  string
}

func (*BasicTransport) RoundTrip

func (t *BasicTransport) RoundTrip(req *http.Request) (*http.Response, error)

type CannotReplayRequestBody

type CannotReplayRequestBody struct {
	Err error
}

CannotReplayRequestBody describes the HTTP error, when the server responded with a WWW-Authenticate header, but the body of the request (POST, PUT, PATCH) couldn't be replayed

func (CannotReplayRequestBody) Error

func (e CannotReplayRequestBody) Error() string

type ErrorTransport

type ErrorTransport struct {
	Transport http.RoundTripper
}

func (*ErrorTransport) RoundTrip

func (t *ErrorTransport) RoundTrip(request *http.Request) (*http.Response, error)

type HttpStatusError

type HttpStatusError struct {
	Response *http.Response
	Body     []byte // Copied from `Response.Body` to avoid problems with unclosed bodies later. Nobody calls `err.Response.Body.Close()`, ever.
}

func (*HttpStatusError) Error

func (err *HttpStatusError) Error() string

type LogfCallback

type LogfCallback func(format string, args ...interface{})

type Registry

type Registry struct {
	URL    string
	Client *http.Client
	Logf   LogfCallback
}

func New

func New(registryUrl, username, password string) (*Registry, error)

* Create a new Registry with the given URL and credentials, then Ping()s it * before returning it to verify that the registry is available. * * You can, alternately, construct a Registry manually by populating the fields. * This passes http.DefaultTransport to WrapTransport when creating the * http.Client.

func NewInsecure

func NewInsecure(registryUrl, username, password string) (*Registry, error)

* Create a new Registry, as with New, using an http.Transport that disables * SSL certificate verification.

func (*Registry) BlobMetadata

func (registry *Registry) BlobMetadata(repository string, digest digest.Digest) (distribution.Descriptor, error)

func (*Registry) DeleteManifest

func (registry *Registry) DeleteManifest(repository string, digest digest.Digest) error

func (*Registry) DownloadBlob

func (registry *Registry) DownloadBlob(repository string, digest digest.Digest) (io.ReadCloser, error)

func (*Registry) HasBlob

func (registry *Registry) HasBlob(repository string, digest digest.Digest) (bool, error)

func (*Registry) Manifest

func (registry *Registry) Manifest(repository, reference string) (*schema1.SignedManifest, error)

func (*Registry) ManifestDigest

func (registry *Registry) ManifestDigest(repository, reference string) (digest.Digest, error)

func (*Registry) ManifestV2

func (registry *Registry) ManifestV2(repository, reference string) (*schema2.DeserializedManifest, error)

func (*Registry) Ping

func (r *Registry) Ping() error

func (*Registry) PutManifest

func (registry *Registry) PutManifest(repository, reference string, manifest distribution.Manifest) error

func (*Registry) Repositories

func (registry *Registry) Repositories() ([]string, error)

func (*Registry) Tags

func (registry *Registry) Tags(repository string) (tags []string, err error)

func (*Registry) UploadBlob

func (registry *Registry) UploadBlob(repository string, digest digest.Digest, content io.Reader, getBody func() (io.ReadCloser, error)) error

UploadBlob can be used to upload an FS layer or an image config file into the given repository. It uploads the bytes read from content. Digest must match with the hash of those bytes. In case of token authentication the HTTP request must be retried after a 401 Unauthorized response (see https://docs.docker.com/registry/spec/auth/token/). In this case the getBody function is called in order to retrieve a fresh instance of the content reader. This behaviour matches exactly of the GetBody parameter of http.Client. This also means that if content is of type *bytes.Buffer, *bytes.Reader or *strings.Reader, then GetBody is populated automatically (as explained in the documentation of http.NewRequest()), so nil can be passed as the getBody parameter.

type TokenTransport

type TokenTransport struct {
	Transport http.RoundTripper
	Username  string
	Password  string
}

func (*TokenTransport) RoundTrip

func (t *TokenTransport) RoundTrip(req *http.Request) (*http.Response, error)

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