2013-05-15 05:41:39 +04:00
|
|
|
package registry
|
|
|
|
|
|
|
|
import (
|
2013-05-15 07:27:15 +04:00
|
|
|
"bytes"
|
2013-05-15 05:41:39 +04:00
|
|
|
"encoding/json"
|
2013-05-16 00:22:57 +04:00
|
|
|
"errors"
|
2013-05-15 05:41:39 +04:00
|
|
|
"fmt"
|
|
|
|
"github.com/dotcloud/docker/auth"
|
|
|
|
"github.com/dotcloud/docker/utils"
|
|
|
|
"io"
|
|
|
|
"io/ioutil"
|
|
|
|
"net/http"
|
2013-06-17 22:13:40 +04:00
|
|
|
"net/http/cookiejar"
|
2013-05-15 05:41:39 +04:00
|
|
|
"net/url"
|
2013-07-05 23:20:58 +04:00
|
|
|
"regexp"
|
2013-06-07 05:16:16 +04:00
|
|
|
"strconv"
|
2013-05-15 05:41:39 +04:00
|
|
|
"strings"
|
|
|
|
)
|
|
|
|
|
2013-07-23 01:50:32 +04:00
|
|
|
var (
|
|
|
|
ErrAlreadyExists = errors.New("Image already exists")
|
|
|
|
ErrInvalidRepositoryName = errors.New("Invalid repository name (ex: \"registry.domain.tld/myrepos\")")
|
|
|
|
)
|
2013-05-16 00:22:57 +04:00
|
|
|
|
2013-07-05 23:20:58 +04:00
|
|
|
func pingRegistryEndpoint(endpoint string) error {
|
2013-07-09 22:30:12 +04:00
|
|
|
if endpoint == auth.IndexServerAddress() {
|
|
|
|
// Skip the check, we now this one is valid
|
|
|
|
// (and we never want to fallback to http in case of error)
|
|
|
|
return nil
|
|
|
|
}
|
2013-07-06 01:55:48 +04:00
|
|
|
resp, err := http.Get(endpoint + "_ping")
|
2013-06-28 04:55:17 +04:00
|
|
|
if err != nil {
|
2013-07-05 23:20:58 +04:00
|
|
|
return err
|
|
|
|
}
|
|
|
|
if resp.Header.Get("X-Docker-Registry-Version") == "" {
|
|
|
|
return errors.New("This does not look like a Registry server (\"X-Docker-Registry-Version\" header not found in the response)")
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2013-07-06 01:30:43 +04:00
|
|
|
func validateRepositoryName(repositoryName string) error {
|
|
|
|
var (
|
|
|
|
namespace string
|
|
|
|
name string
|
|
|
|
)
|
|
|
|
nameParts := strings.SplitN(repositoryName, "/", 2)
|
|
|
|
if len(nameParts) < 2 {
|
|
|
|
namespace = "library"
|
|
|
|
name = nameParts[0]
|
|
|
|
} else {
|
|
|
|
namespace = nameParts[0]
|
|
|
|
name = nameParts[1]
|
|
|
|
}
|
2013-07-05 23:20:58 +04:00
|
|
|
validNamespace := regexp.MustCompile(`^([a-z0-9_]{4,30})$`)
|
|
|
|
if !validNamespace.MatchString(namespace) {
|
|
|
|
return fmt.Errorf("Invalid namespace name (%s), only [a-z0-9_] are allowed, size between 4 and 30", namespace)
|
|
|
|
}
|
|
|
|
validRepo := regexp.MustCompile(`^([a-zA-Z0-9-_.]+)$`)
|
|
|
|
if !validRepo.MatchString(name) {
|
|
|
|
return fmt.Errorf("Invalid repository name (%s), only [a-zA-Z0-9-_.] are allowed", name)
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Resolves a repository name to a endpoint + name
|
|
|
|
func ResolveRepositoryName(reposName string) (string, string, error) {
|
2013-07-09 22:30:12 +04:00
|
|
|
if strings.Contains(reposName, "://") {
|
|
|
|
// It cannot contain a scheme!
|
|
|
|
return "", "", ErrInvalidRepositoryName
|
|
|
|
}
|
2013-07-05 23:20:58 +04:00
|
|
|
nameParts := strings.SplitN(reposName, "/", 2)
|
2013-07-10 03:46:55 +04:00
|
|
|
if !strings.Contains(nameParts[0], ".") && !strings.Contains(nameParts[0], ":") {
|
2013-07-05 23:20:58 +04:00
|
|
|
// This is a Docker Index repos (ex: samalba/hipache or ubuntu)
|
2013-07-06 01:30:43 +04:00
|
|
|
err := validateRepositoryName(reposName)
|
2013-07-09 22:30:12 +04:00
|
|
|
return auth.IndexServerAddress(), reposName, err
|
2013-07-05 23:20:58 +04:00
|
|
|
}
|
|
|
|
if len(nameParts) < 2 {
|
|
|
|
// There is a dot in repos name (and no registry address)
|
|
|
|
// Is it a Registry address without repos name?
|
2013-07-09 22:30:12 +04:00
|
|
|
return "", "", ErrInvalidRepositoryName
|
2013-07-05 23:20:58 +04:00
|
|
|
}
|
|
|
|
hostname := nameParts[0]
|
2013-07-06 01:30:43 +04:00
|
|
|
reposName = nameParts[1]
|
2013-07-10 03:46:55 +04:00
|
|
|
if strings.Contains(hostname, "index.docker.io") {
|
|
|
|
return "", "", fmt.Errorf("Invalid repository name, try \"%s\" instead", reposName)
|
|
|
|
}
|
|
|
|
if err := validateRepositoryName(reposName); err != nil {
|
|
|
|
return "", "", err
|
|
|
|
}
|
2013-07-06 01:30:43 +04:00
|
|
|
endpoint := fmt.Sprintf("https://%s/v1/", hostname)
|
2013-07-05 23:20:58 +04:00
|
|
|
if err := pingRegistryEndpoint(endpoint); err != nil {
|
|
|
|
utils.Debugf("Registry %s does not work (%s), falling back to http", endpoint, err)
|
2013-07-06 01:30:43 +04:00
|
|
|
endpoint = fmt.Sprintf("http://%s/v1/", hostname)
|
2013-07-05 23:20:58 +04:00
|
|
|
if err = pingRegistryEndpoint(endpoint); err != nil {
|
|
|
|
//TODO: triggering highland build can be done there without "failing"
|
|
|
|
return "", "", errors.New("Invalid Registry endpoint: " + err.Error())
|
|
|
|
}
|
2013-06-28 04:55:17 +04:00
|
|
|
}
|
2013-07-06 01:30:43 +04:00
|
|
|
err := validateRepositoryName(reposName)
|
2013-07-05 23:20:58 +04:00
|
|
|
return endpoint, reposName, err
|
2013-06-28 04:55:17 +04:00
|
|
|
}
|
|
|
|
|
2013-07-24 01:05:13 +04:00
|
|
|
// VersionInfo is used to model entities which has a version.
|
2013-06-29 01:12:12 +04:00
|
|
|
// It is basically a tupple with name and version.
|
2013-07-24 01:05:13 +04:00
|
|
|
type VersionInfo interface {
|
2013-06-29 01:12:12 +04:00
|
|
|
Name() string
|
|
|
|
Version() string
|
|
|
|
}
|
|
|
|
|
2013-06-29 01:24:54 +04:00
|
|
|
func doWithCookies(c *http.Client, req *http.Request) (*http.Response, error) {
|
|
|
|
for _, cookie := range c.Jar.Cookies(req.URL) {
|
|
|
|
req.AddCookie(cookie)
|
2013-06-29 01:12:12 +04:00
|
|
|
}
|
2013-07-23 22:37:13 +04:00
|
|
|
res, err := c.Do(req)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
if len(res.Cookies()) > 0 {
|
|
|
|
c.Jar.SetCookies(req.URL, res.Cookies())
|
|
|
|
}
|
|
|
|
return res, err
|
2013-06-29 01:24:54 +04:00
|
|
|
}
|
2013-06-29 01:12:12 +04:00
|
|
|
|
2013-07-18 22:22:49 +04:00
|
|
|
// Set the user agent field in the header based on the versions provided
|
|
|
|
// in NewRegistry() and extra.
|
2013-07-24 01:05:13 +04:00
|
|
|
func (r *Registry) setUserAgent(req *http.Request, extra ...VersionInfo) {
|
2013-06-29 01:24:54 +04:00
|
|
|
if len(r.baseVersions)+len(extra) == 0 {
|
|
|
|
return
|
|
|
|
}
|
2013-07-02 01:57:56 +04:00
|
|
|
if len(extra) == 0 {
|
|
|
|
req.Header.Set("User-Agent", r.baseVersionsStr)
|
|
|
|
} else {
|
|
|
|
req.Header.Set("User-Agent", appendVersions(r.baseVersionsStr, extra...))
|
|
|
|
}
|
2013-06-29 01:24:54 +04:00
|
|
|
return
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
// Retrieve the history of a given image from the Registry.
|
|
|
|
// Return a list of the parent's json (requested image included)
|
2013-07-05 23:37:07 +04:00
|
|
|
func (r *Registry) GetRemoteHistory(imgID, registry string, token []string) ([]string, error) {
|
|
|
|
req, err := http.NewRequest("GET", registry+"images/"+imgID+"/ancestry", nil)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
|
2013-06-29 02:45:45 +04:00
|
|
|
r.setUserAgent(req)
|
2013-07-23 22:37:13 +04:00
|
|
|
res, err := doWithCookies(r.client, req)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil || res.StatusCode != 200 {
|
|
|
|
if res != nil {
|
2013-07-03 02:27:22 +04:00
|
|
|
return nil, fmt.Errorf("Internal server error: %d trying to fetch remote history for %s", res.StatusCode, imgID)
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
|
|
|
|
jsonString, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
2013-05-15 23:22:08 +04:00
|
|
|
return nil, fmt.Errorf("Error while reading the http response: %s", err)
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
utils.Debugf("Ancestry: %s", jsonString)
|
|
|
|
history := new([]string)
|
|
|
|
if err := json.Unmarshal(jsonString, history); err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return *history, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check if an image exists in the Registry
|
2013-07-03 02:27:22 +04:00
|
|
|
func (r *Registry) LookupRemoteImage(imgID, registry string, token []string) bool {
|
2013-05-15 05:41:39 +04:00
|
|
|
rt := &http.Transport{Proxy: http.ProxyFromEnvironment}
|
|
|
|
|
2013-07-05 23:37:07 +04:00
|
|
|
req, err := http.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
res, err := rt.RoundTrip(req)
|
2013-06-03 23:20:52 +04:00
|
|
|
if err != nil {
|
|
|
|
return false
|
2013-06-03 23:14:57 +04:00
|
|
|
}
|
2013-06-03 23:20:52 +04:00
|
|
|
res.Body.Close()
|
2013-05-24 21:37:34 +04:00
|
|
|
return res.StatusCode == 200
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
// Retrieve an image from the Registry.
|
2013-07-03 02:27:22 +04:00
|
|
|
func (r *Registry) GetRemoteImageJSON(imgID, registry string, token []string) ([]byte, int, error) {
|
2013-06-04 22:00:22 +04:00
|
|
|
// Get the JSON
|
2013-07-05 23:37:07 +04:00
|
|
|
req, err := http.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
2013-06-07 05:16:16 +04:00
|
|
|
return nil, -1, fmt.Errorf("Failed to download json: %s", err)
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-07-23 22:37:13 +04:00
|
|
|
res, err := doWithCookies(r.client, req)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
2013-06-07 05:16:16 +04:00
|
|
|
return nil, -1, fmt.Errorf("Failed to download json: %s", err)
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
if res.StatusCode != 200 {
|
2013-06-07 05:16:16 +04:00
|
|
|
return nil, -1, fmt.Errorf("HTTP code %d", res.StatusCode)
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
2013-06-07 05:16:16 +04:00
|
|
|
|
|
|
|
imageSize, err := strconv.Atoi(res.Header.Get("X-Docker-Size"))
|
|
|
|
if err != nil {
|
|
|
|
return nil, -1, err
|
|
|
|
}
|
|
|
|
|
2013-05-15 05:41:39 +04:00
|
|
|
jsonString, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
2013-06-07 05:16:16 +04:00
|
|
|
return nil, -1, fmt.Errorf("Failed to parse downloaded json: %s (%s)", err, jsonString)
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
2013-06-07 05:16:16 +04:00
|
|
|
return jsonString, imageSize, nil
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
|
2013-07-05 23:37:07 +04:00
|
|
|
func (r *Registry) GetRemoteImageLayer(imgID, registry string, token []string) (io.ReadCloser, error) {
|
|
|
|
req, err := http.NewRequest("GET", registry+"images/"+imgID+"/layer", nil)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
2013-06-07 05:16:16 +04:00
|
|
|
return nil, fmt.Errorf("Error while getting from the server: %s\n", err)
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-07-23 22:37:13 +04:00
|
|
|
res, err := doWithCookies(r.client, req)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
2013-06-07 05:16:16 +04:00
|
|
|
return nil, err
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
2013-06-07 05:16:16 +04:00
|
|
|
return res.Body, nil
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
|
2013-05-15 22:50:52 +04:00
|
|
|
func (r *Registry) GetRemoteTags(registries []string, repository string, token []string) (map[string]string, error) {
|
2013-05-15 05:41:39 +04:00
|
|
|
if strings.Count(repository, "/") == 0 {
|
|
|
|
// This will be removed once the Registry supports auto-resolution on
|
|
|
|
// the "library" namespace
|
|
|
|
repository = "library/" + repository
|
|
|
|
}
|
|
|
|
for _, host := range registries {
|
2013-07-05 23:20:58 +04:00
|
|
|
endpoint := fmt.Sprintf("%srepositories/%s/tags", host, repository)
|
2013-06-20 00:48:49 +04:00
|
|
|
req, err := r.opaqueRequest("GET", endpoint, nil)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-07-23 22:37:13 +04:00
|
|
|
res, err := doWithCookies(r.client, req)
|
2013-06-03 23:20:52 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2013-05-29 22:24:50 +04:00
|
|
|
|
2013-06-19 22:07:36 +04:00
|
|
|
utils.Debugf("Got status code %d from %s", res.StatusCode, endpoint)
|
2013-06-03 23:20:52 +04:00
|
|
|
defer res.Body.Close()
|
|
|
|
|
|
|
|
if res.StatusCode != 200 && res.StatusCode != 404 {
|
2013-05-15 05:41:39 +04:00
|
|
|
continue
|
|
|
|
} else if res.StatusCode == 404 {
|
|
|
|
return nil, fmt.Errorf("Repository not found")
|
|
|
|
}
|
|
|
|
|
|
|
|
result := make(map[string]string)
|
2013-06-04 22:00:22 +04:00
|
|
|
rawJSON, err := ioutil.ReadAll(res.Body)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2013-06-04 22:00:22 +04:00
|
|
|
if err := json.Unmarshal(rawJSON, &result); err != nil {
|
2013-05-15 05:41:39 +04:00
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return result, nil
|
|
|
|
}
|
|
|
|
return nil, fmt.Errorf("Could not reach any registry endpoint")
|
|
|
|
}
|
|
|
|
|
2013-07-05 23:20:58 +04:00
|
|
|
func (r *Registry) GetRepositoryData(indexEp, remote string) (*RepositoryData, error) {
|
2013-07-23 01:50:32 +04:00
|
|
|
|
2013-07-05 23:20:58 +04:00
|
|
|
repositoryTarget := fmt.Sprintf("%srepositories/%s/images", indexEp, remote)
|
2013-05-15 05:41:39 +04:00
|
|
|
|
2013-07-23 01:50:32 +04:00
|
|
|
utils.Debugf("[registry] Calling GET %s", repositoryTarget)
|
|
|
|
|
2013-06-20 00:48:49 +04:00
|
|
|
req, err := r.opaqueRequest("GET", repositoryTarget, nil)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
if r.authConfig != nil && len(r.authConfig.Username) > 0 {
|
|
|
|
req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
|
|
|
|
}
|
|
|
|
req.Header.Set("X-Docker-Token", "true")
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-05-15 05:41:39 +04:00
|
|
|
|
2013-05-15 23:22:08 +04:00
|
|
|
res, err := r.client.Do(req)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
if res.StatusCode == 401 {
|
|
|
|
return nil, fmt.Errorf("Please login first (HTTP code %d)", res.StatusCode)
|
|
|
|
}
|
|
|
|
// TODO: Right now we're ignoring checksums in the response body.
|
|
|
|
// In the future, we need to use them to check image validity.
|
|
|
|
if res.StatusCode != 200 {
|
|
|
|
return nil, fmt.Errorf("HTTP code: %d", res.StatusCode)
|
|
|
|
}
|
|
|
|
|
|
|
|
var tokens []string
|
|
|
|
if res.Header.Get("X-Docker-Token") != "" {
|
|
|
|
tokens = res.Header["X-Docker-Token"]
|
|
|
|
}
|
|
|
|
|
|
|
|
var endpoints []string
|
2013-07-05 23:20:58 +04:00
|
|
|
var urlScheme = indexEp[:strings.Index(indexEp, ":")]
|
2013-05-15 05:41:39 +04:00
|
|
|
if res.Header.Get("X-Docker-Endpoints") != "" {
|
2013-07-05 23:20:58 +04:00
|
|
|
// The Registry's URL scheme has to match the Index'
|
|
|
|
for _, ep := range res.Header["X-Docker-Endpoints"] {
|
|
|
|
endpoints = append(endpoints, fmt.Sprintf("%s://%s/v1/", urlScheme, ep))
|
|
|
|
}
|
2013-05-15 05:41:39 +04:00
|
|
|
} else {
|
|
|
|
return nil, fmt.Errorf("Index response didn't contain any endpoints")
|
|
|
|
}
|
|
|
|
|
2013-06-04 22:00:22 +04:00
|
|
|
checksumsJSON, err := ioutil.ReadAll(res.Body)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
remoteChecksums := []*ImgData{}
|
2013-06-04 22:00:22 +04:00
|
|
|
if err := json.Unmarshal(checksumsJSON, &remoteChecksums); err != nil {
|
2013-05-15 05:41:39 +04:00
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
// Forge a better object from the retrieved data
|
|
|
|
imgsData := make(map[string]*ImgData)
|
|
|
|
for _, elem := range remoteChecksums {
|
2013-06-04 22:00:22 +04:00
|
|
|
imgsData[elem.ID] = elem
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
return &RepositoryData{
|
|
|
|
ImgList: imgsData,
|
|
|
|
Endpoints: endpoints,
|
|
|
|
Tokens: tokens,
|
|
|
|
}, nil
|
|
|
|
}
|
|
|
|
|
2013-07-17 23:13:22 +04:00
|
|
|
func (r *Registry) PushImageChecksumRegistry(imgData *ImgData, registry string, token []string) error {
|
|
|
|
|
|
|
|
utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgData.ID+"/checksum")
|
|
|
|
|
|
|
|
req, err := http.NewRequest("PUT", registry+"images/"+imgData.ID+"/checksum", nil)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
|
|
|
req.Header.Set("X-Docker-Checksum", imgData.Checksum)
|
|
|
|
|
|
|
|
res, err := doWithCookies(r.client, req)
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("Failed to upload metadata: %s", err)
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
if len(res.Cookies()) > 0 {
|
|
|
|
r.client.Jar.SetCookies(req.URL, res.Cookies())
|
|
|
|
}
|
|
|
|
if res.StatusCode != 200 {
|
|
|
|
errBody, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err)
|
|
|
|
}
|
|
|
|
var jsonBody map[string]string
|
|
|
|
if err := json.Unmarshal(errBody, &jsonBody); err != nil {
|
|
|
|
errBody = []byte(err.Error())
|
|
|
|
} else if jsonBody["error"] == "Image already exists" {
|
|
|
|
return ErrAlreadyExists
|
|
|
|
}
|
|
|
|
return fmt.Errorf("HTTP code %d while uploading metadata: %s", res.StatusCode, errBody)
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2013-05-15 07:27:15 +04:00
|
|
|
// Push a local image to the registry
|
2013-06-04 22:00:22 +04:00
|
|
|
func (r *Registry) PushImageJSONRegistry(imgData *ImgData, jsonRaw []byte, registry string, token []string) error {
|
2013-07-17 23:13:22 +04:00
|
|
|
|
|
|
|
utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgData.ID+"/json")
|
|
|
|
|
2013-07-23 22:37:13 +04:00
|
|
|
req, err := http.NewRequest("PUT", registry+"images/"+imgData.ID+"/json", bytes.NewReader(jsonRaw))
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
req.Header.Add("Content-type", "application/json")
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-05-15 22:30:40 +04:00
|
|
|
|
2013-05-15 23:22:08 +04:00
|
|
|
res, err := doWithCookies(r.client, req)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("Failed to upload metadata: %s", err)
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
if res.StatusCode != 200 {
|
|
|
|
errBody, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
2013-05-16 00:22:57 +04:00
|
|
|
return fmt.Errorf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err)
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
|
|
|
var jsonBody map[string]string
|
|
|
|
if err := json.Unmarshal(errBody, &jsonBody); err != nil {
|
|
|
|
errBody = []byte(err.Error())
|
|
|
|
} else if jsonBody["error"] == "Image already exists" {
|
2013-05-16 00:22:57 +04:00
|
|
|
return ErrAlreadyExists
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
|
|
|
return fmt.Errorf("HTTP code %d while uploading metadata: %s", res.StatusCode, errBody)
|
|
|
|
}
|
2013-05-15 22:30:40 +04:00
|
|
|
return nil
|
|
|
|
}
|
2013-05-15 07:27:15 +04:00
|
|
|
|
2013-07-23 01:50:32 +04:00
|
|
|
func (r *Registry) PushImageLayerRegistry(imgID string, layer io.Reader, registry string, token []string, jsonRaw []byte) (checksum string, err error) {
|
2013-07-17 23:13:22 +04:00
|
|
|
|
|
|
|
utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgID+"/layer")
|
|
|
|
|
|
|
|
tarsumLayer := &utils.TarSum{Reader: layer}
|
2013-07-23 01:50:32 +04:00
|
|
|
|
2013-07-17 23:13:22 +04:00
|
|
|
req, err := http.NewRequest("PUT", registry+"images/"+imgID+"/layer", tarsumLayer)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
2013-07-17 23:13:22 +04:00
|
|
|
return "", err
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
2013-05-15 22:30:40 +04:00
|
|
|
req.ContentLength = -1
|
|
|
|
req.TransferEncoding = []string{"chunked"}
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-05-15 23:22:08 +04:00
|
|
|
res, err := doWithCookies(r.client, req)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
2013-07-17 23:13:22 +04:00
|
|
|
return "", fmt.Errorf("Failed to upload layer: %s", err)
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
2013-05-15 22:30:40 +04:00
|
|
|
defer res.Body.Close()
|
2013-05-15 07:27:15 +04:00
|
|
|
|
2013-05-15 22:30:40 +04:00
|
|
|
if res.StatusCode != 200 {
|
|
|
|
errBody, err := ioutil.ReadAll(res.Body)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
2013-07-17 23:13:22 +04:00
|
|
|
return "", fmt.Errorf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err)
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
2013-07-17 23:13:22 +04:00
|
|
|
return "", fmt.Errorf("Received HTTP code %d while uploading layer: %s", res.StatusCode, errBody)
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
2013-07-23 01:50:32 +04:00
|
|
|
return tarsumLayer.Sum(jsonRaw), nil
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
|
|
|
|
2013-06-20 00:48:49 +04:00
|
|
|
func (r *Registry) opaqueRequest(method, urlStr string, body io.Reader) (*http.Request, error) {
|
|
|
|
req, err := http.NewRequest(method, urlStr, body)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2013-06-21 01:19:09 +04:00
|
|
|
req.URL.Opaque = strings.Replace(urlStr, req.URL.Scheme+":", "", 1)
|
2013-06-20 00:48:49 +04:00
|
|
|
return req, err
|
|
|
|
}
|
|
|
|
|
2013-05-15 07:27:15 +04:00
|
|
|
// push a tag on the registry.
|
|
|
|
// Remote has the format '<user>/<repo>
|
2013-05-15 22:30:40 +04:00
|
|
|
func (r *Registry) PushRegistryTag(remote, revision, tag, registry string, token []string) error {
|
2013-05-15 07:27:15 +04:00
|
|
|
// "jsonify" the string
|
|
|
|
revision = "\"" + revision + "\""
|
|
|
|
|
2013-07-05 23:20:58 +04:00
|
|
|
req, err := r.opaqueRequest("PUT", registry+"repositories/"+remote+"/tags/"+tag, strings.NewReader(revision))
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
req.Header.Add("Content-type", "application/json")
|
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-05-15 07:27:15 +04:00
|
|
|
req.ContentLength = int64(len(revision))
|
2013-05-15 23:22:08 +04:00
|
|
|
res, err := doWithCookies(r.client, req)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
res.Body.Close()
|
|
|
|
if res.StatusCode != 200 && res.StatusCode != 201 {
|
|
|
|
return fmt.Errorf("Internal server error: %d trying to push tag %s on %s", res.StatusCode, tag, remote)
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2013-07-05 23:20:58 +04:00
|
|
|
func (r *Registry) PushImageJSONIndex(indexEp, remote string, imgList []*ImgData, validate bool, regs []string) (*RepositoryData, error) {
|
2013-07-23 03:44:34 +04:00
|
|
|
cleanImgList := []*ImgData{}
|
|
|
|
|
|
|
|
if validate {
|
|
|
|
for _, elem := range imgList {
|
|
|
|
if elem.Checksum != "" {
|
|
|
|
cleanImgList = append(cleanImgList, elem)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
cleanImgList = imgList
|
|
|
|
}
|
|
|
|
|
|
|
|
imgListJSON, err := json.Marshal(cleanImgList)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2013-05-17 01:33:29 +04:00
|
|
|
var suffix string
|
|
|
|
if validate {
|
|
|
|
suffix = "images"
|
|
|
|
}
|
2013-05-29 04:12:24 +04:00
|
|
|
|
2013-07-05 23:20:58 +04:00
|
|
|
u := fmt.Sprintf("%srepositories/%s/%s", indexEp, remote, suffix)
|
2013-07-23 01:50:32 +04:00
|
|
|
utils.Debugf("[registry] PUT %s", u)
|
2013-06-04 22:00:22 +04:00
|
|
|
utils.Debugf("Image list pushed to index:\n%s\n", imgListJSON)
|
2013-07-05 23:20:58 +04:00
|
|
|
req, err := r.opaqueRequest("PUT", u, bytes.NewReader(imgListJSON))
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
|
2013-06-04 22:00:22 +04:00
|
|
|
req.ContentLength = int64(len(imgListJSON))
|
2013-05-15 07:27:15 +04:00
|
|
|
req.Header.Set("X-Docker-Token", "true")
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-06-10 22:21:56 +04:00
|
|
|
if validate {
|
|
|
|
req.Header["X-Docker-Endpoints"] = regs
|
|
|
|
}
|
2013-05-15 07:27:15 +04:00
|
|
|
|
2013-05-15 23:22:08 +04:00
|
|
|
res, err := r.client.Do(req)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
|
|
|
|
// Redirect if necessary
|
|
|
|
for res.StatusCode >= 300 && res.StatusCode < 400 {
|
|
|
|
utils.Debugf("Redirected to %s\n", res.Header.Get("Location"))
|
2013-06-20 00:48:49 +04:00
|
|
|
req, err = r.opaqueRequest("PUT", res.Header.Get("Location"), bytes.NewReader(imgListJSON))
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
|
2013-06-04 22:00:22 +04:00
|
|
|
req.ContentLength = int64(len(imgListJSON))
|
2013-05-15 07:27:15 +04:00
|
|
|
req.Header.Set("X-Docker-Token", "true")
|
2013-06-29 01:48:37 +04:00
|
|
|
r.setUserAgent(req)
|
2013-06-10 22:21:56 +04:00
|
|
|
if validate {
|
|
|
|
req.Header["X-Docker-Endpoints"] = regs
|
|
|
|
}
|
2013-05-15 23:22:08 +04:00
|
|
|
res, err = r.client.Do(req)
|
2013-05-15 07:27:15 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
}
|
|
|
|
|
2013-05-17 01:33:29 +04:00
|
|
|
var tokens, endpoints []string
|
2013-07-05 23:20:58 +04:00
|
|
|
var urlScheme = indexEp[:strings.Index(indexEp, ":")]
|
2013-05-17 01:33:29 +04:00
|
|
|
if !validate {
|
|
|
|
if res.StatusCode != 200 && res.StatusCode != 201 {
|
|
|
|
errBody, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
return nil, fmt.Errorf("Error: Status %d trying to push repository %s: %s", res.StatusCode, remote, errBody)
|
|
|
|
}
|
|
|
|
if res.Header.Get("X-Docker-Token") != "" {
|
|
|
|
tokens = res.Header["X-Docker-Token"]
|
|
|
|
utils.Debugf("Auth token: %v", tokens)
|
|
|
|
} else {
|
|
|
|
return nil, fmt.Errorf("Index response didn't contain an access token")
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
|
|
|
|
2013-05-17 01:33:29 +04:00
|
|
|
if res.Header.Get("X-Docker-Endpoints") != "" {
|
2013-07-05 23:20:58 +04:00
|
|
|
// The Registry's URL scheme has to match the Index'
|
|
|
|
for _, ep := range res.Header["X-Docker-Endpoints"] {
|
|
|
|
endpoints = append(endpoints, fmt.Sprintf("%s://%s/v1/", urlScheme, ep))
|
|
|
|
}
|
2013-05-17 01:33:29 +04:00
|
|
|
} else {
|
|
|
|
return nil, fmt.Errorf("Index response didn't contain any endpoints")
|
|
|
|
}
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
|
|
|
if validate {
|
|
|
|
if res.StatusCode != 204 {
|
2013-06-04 17:51:12 +04:00
|
|
|
errBody, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
2013-05-15 07:27:15 +04:00
|
|
|
return nil, err
|
|
|
|
}
|
2013-06-04 17:51:12 +04:00
|
|
|
return nil, fmt.Errorf("Error: Status %d trying to push checksums %s: %s", res.StatusCode, remote, errBody)
|
2013-05-15 07:27:15 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return &RepositoryData{
|
|
|
|
Tokens: tokens,
|
|
|
|
Endpoints: endpoints,
|
|
|
|
}, nil
|
|
|
|
}
|
2013-05-15 05:41:39 +04:00
|
|
|
|
2013-05-15 22:50:52 +04:00
|
|
|
func (r *Registry) SearchRepositories(term string) (*SearchResults, error) {
|
2013-07-05 23:20:58 +04:00
|
|
|
u := auth.IndexServerAddress() + "search?q=" + url.QueryEscape(term)
|
2013-05-15 05:41:39 +04:00
|
|
|
req, err := http.NewRequest("GET", u, nil)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2013-05-15 23:22:08 +04:00
|
|
|
res, err := r.client.Do(req)
|
2013-05-15 05:41:39 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
if res.StatusCode != 200 {
|
|
|
|
return nil, fmt.Errorf("Unexepected status code %d", res.StatusCode)
|
|
|
|
}
|
|
|
|
rawData, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
result := new(SearchResults)
|
|
|
|
err = json.Unmarshal(rawData, result)
|
|
|
|
return result, err
|
|
|
|
}
|
|
|
|
|
2013-05-24 18:23:43 +04:00
|
|
|
func (r *Registry) GetAuthConfig(withPasswd bool) *auth.AuthConfig {
|
|
|
|
password := ""
|
|
|
|
if withPasswd {
|
|
|
|
password = r.authConfig.Password
|
|
|
|
}
|
2013-05-16 04:17:33 +04:00
|
|
|
return &auth.AuthConfig{
|
|
|
|
Username: r.authConfig.Username,
|
2013-05-24 18:23:43 +04:00
|
|
|
Password: password,
|
2013-05-16 04:31:11 +04:00
|
|
|
Email: r.authConfig.Email,
|
2013-05-16 04:17:33 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-05-15 05:41:39 +04:00
|
|
|
type SearchResults struct {
|
|
|
|
Query string `json:"query"`
|
|
|
|
NumResults int `json:"num_results"`
|
|
|
|
Results []map[string]string `json:"results"`
|
|
|
|
}
|
|
|
|
|
|
|
|
type RepositoryData struct {
|
|
|
|
ImgList map[string]*ImgData
|
|
|
|
Endpoints []string
|
|
|
|
Tokens []string
|
|
|
|
}
|
|
|
|
|
|
|
|
type ImgData struct {
|
2013-06-04 22:00:22 +04:00
|
|
|
ID string `json:"id"`
|
2013-05-15 05:41:39 +04:00
|
|
|
Checksum string `json:"checksum,omitempty"`
|
|
|
|
Tag string `json:",omitempty"`
|
|
|
|
}
|
|
|
|
|
|
|
|
type Registry struct {
|
2013-06-29 03:29:02 +04:00
|
|
|
client *http.Client
|
|
|
|
authConfig *auth.AuthConfig
|
2013-07-24 01:05:13 +04:00
|
|
|
baseVersions []VersionInfo
|
2013-06-29 03:29:02 +04:00
|
|
|
baseVersionsStr string
|
|
|
|
}
|
|
|
|
|
2013-07-24 01:05:13 +04:00
|
|
|
func validVersion(version VersionInfo) bool {
|
2013-06-29 03:29:02 +04:00
|
|
|
stopChars := " \t\r\n/"
|
|
|
|
if strings.ContainsAny(version.Name(), stopChars) {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
if strings.ContainsAny(version.Version(), stopChars) {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
2013-07-18 22:22:49 +04:00
|
|
|
// Convert versions to a string and append the string to the string base.
|
|
|
|
//
|
2013-07-24 01:05:13 +04:00
|
|
|
// Each VersionInfo will be converted to a string in the format of
|
2013-07-18 22:22:49 +04:00
|
|
|
// "product/version", where the "product" is get from the Name() method, while
|
|
|
|
// version is get from the Version() method. Several pieces of verson information
|
|
|
|
// will be concatinated and separated by space.
|
2013-07-24 01:05:13 +04:00
|
|
|
func appendVersions(base string, versions ...VersionInfo) string {
|
2013-06-29 03:29:02 +04:00
|
|
|
if len(versions) == 0 {
|
|
|
|
return base
|
|
|
|
}
|
|
|
|
|
|
|
|
var buf bytes.Buffer
|
|
|
|
if len(base) > 0 {
|
|
|
|
buf.Write([]byte(base))
|
|
|
|
}
|
|
|
|
|
|
|
|
for _, v := range versions {
|
|
|
|
if !validVersion(v) {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
buf.Write([]byte(v.Name()))
|
|
|
|
buf.Write([]byte("/"))
|
|
|
|
buf.Write([]byte(v.Version()))
|
|
|
|
buf.Write([]byte(" "))
|
|
|
|
}
|
|
|
|
return buf.String()
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
|
|
|
|
2013-07-24 01:05:13 +04:00
|
|
|
func NewRegistry(root string, authConfig *auth.AuthConfig, baseVersions ...VersionInfo) (r *Registry, err error) {
|
2013-06-04 01:42:21 +04:00
|
|
|
httpTransport := &http.Transport{
|
|
|
|
DisableKeepAlives: true,
|
2013-06-07 05:16:16 +04:00
|
|
|
Proxy: http.ProxyFromEnvironment,
|
2013-06-04 01:42:21 +04:00
|
|
|
}
|
|
|
|
|
2013-06-17 22:13:40 +04:00
|
|
|
r = &Registry{
|
2013-05-15 05:41:39 +04:00
|
|
|
authConfig: authConfig,
|
2013-06-04 01:42:21 +04:00
|
|
|
client: &http.Client{
|
|
|
|
Transport: httpTransport,
|
|
|
|
},
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|
2013-06-17 22:13:40 +04:00
|
|
|
r.client.Jar, err = cookiejar.New(nil)
|
2013-06-29 01:12:12 +04:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
r.baseVersions = baseVersions
|
2013-06-29 03:29:02 +04:00
|
|
|
r.baseVersionsStr = appendVersions("", baseVersions...)
|
2013-06-29 01:12:12 +04:00
|
|
|
return r, nil
|
2013-05-15 05:41:39 +04:00
|
|
|
}
|