forked from TrueCloudLab/distribution
registry.Registry -> registry.Session
renaming this struct to more clearly be session, as that is what it handles. Splitting out files for easier readability. Signed-off-by: Vincent Batts <vbatts@redhat.com>
This commit is contained in:
Vincent Batts
parent
2ccfaf1484
commit
7ef3a5bc73
6 changed files with 704 additions and 686 deletions
46
docs/httpfactory.go
Normal file
46
docs/httpfactory.go
Normal file
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@ -0,0 +1,46 @@
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package registry
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import (
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"runtime"
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"github.com/docker/docker/dockerversion"
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"github.com/docker/docker/pkg/parsers/kernel"
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"github.com/docker/docker/utils"
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)
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func HTTPRequestFactory(metaHeaders map[string][]string) *utils.HTTPRequestFactory {
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// FIXME: this replicates the 'info' job.
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httpVersion := make([]utils.VersionInfo, 0, 4)
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httpVersion = append(httpVersion, &simpleVersionInfo{"docker", dockerversion.VERSION})
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httpVersion = append(httpVersion, &simpleVersionInfo{"go", runtime.Version()})
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httpVersion = append(httpVersion, &simpleVersionInfo{"git-commit", dockerversion.GITCOMMIT})
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if kernelVersion, err := kernel.GetKernelVersion(); err == nil {
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httpVersion = append(httpVersion, &simpleVersionInfo{"kernel", kernelVersion.String()})
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}
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httpVersion = append(httpVersion, &simpleVersionInfo{"os", runtime.GOOS})
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httpVersion = append(httpVersion, &simpleVersionInfo{"arch", runtime.GOARCH})
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ud := utils.NewHTTPUserAgentDecorator(httpVersion...)
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md := &utils.HTTPMetaHeadersDecorator{
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Headers: metaHeaders,
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}
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factory := utils.NewHTTPRequestFactory(ud, md)
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return factory
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}
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// simpleVersionInfo is a simple implementation of
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// the interface VersionInfo, which is used
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// to provide version information for some product,
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// component, etc. It stores the product name and the version
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// in string and returns them on calls to Name() and Version().
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type simpleVersionInfo struct {
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name string
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version string
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}
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func (v *simpleVersionInfo) Name() string {
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return v.name
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}
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func (v *simpleVersionInfo) Version() string {
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return v.version
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}
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672
docs/registry.go
672
docs/registry.go
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@ -1,33 +1,20 @@
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package registry
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import (
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"bytes"
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"crypto/sha256"
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_ "crypto/sha512"
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"crypto/tls"
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"crypto/x509"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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"net/http/cookiejar"
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"net/url"
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"os"
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"path"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/docker/docker/dockerversion"
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"github.com/docker/docker/pkg/httputils"
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"github.com/docker/docker/pkg/parsers/kernel"
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"github.com/docker/docker/pkg/tarsum"
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"github.com/docker/docker/utils"
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)
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@ -297,595 +284,6 @@ func ExpandAndVerifyRegistryUrl(hostname string) (string, error) {
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return endpoint, nil
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}
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func setTokenAuth(req *http.Request, token []string) {
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if req.Header.Get("Authorization") == "" { // Don't override
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req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
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}
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}
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func (r *Registry) doRequest(req *http.Request) (*http.Response, *http.Client, error) {
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return doRequest(req, r.jar, r.timeout)
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}
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// Retrieve the history of a given image from the Registry.
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// Return a list of the parent's json (requested image included)
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func (r *Registry) GetRemoteHistory(imgID, registry string, token []string) ([]string, error) {
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req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/ancestry", nil)
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if err != nil {
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return nil, err
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}
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setTokenAuth(req, token)
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res, _, err := r.doRequest(req)
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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if res.StatusCode != 200 {
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if res.StatusCode == 401 {
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return nil, errLoginRequired
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}
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return nil, utils.NewHTTPRequestError(fmt.Sprintf("Server error: %d trying to fetch remote history for %s", res.StatusCode, imgID), res)
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}
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jsonString, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return nil, fmt.Errorf("Error while reading the http response: %s", err)
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}
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utils.Debugf("Ancestry: %s", jsonString)
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history := new([]string)
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if err := json.Unmarshal(jsonString, history); err != nil {
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return nil, err
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}
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return *history, nil
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}
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// Check if an image exists in the Registry
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// TODO: This method should return the errors instead of masking them and returning false
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func (r *Registry) LookupRemoteImage(imgID, registry string, token []string) bool {
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req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
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if err != nil {
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utils.Errorf("Error in LookupRemoteImage %s", err)
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return false
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}
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setTokenAuth(req, token)
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res, _, err := r.doRequest(req)
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if err != nil {
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utils.Errorf("Error in LookupRemoteImage %s", err)
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return false
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}
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res.Body.Close()
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return res.StatusCode == 200
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}
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// Retrieve an image from the Registry.
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func (r *Registry) GetRemoteImageJSON(imgID, registry string, token []string) ([]byte, int, error) {
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// Get the JSON
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req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
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if err != nil {
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return nil, -1, fmt.Errorf("Failed to download json: %s", err)
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}
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setTokenAuth(req, token)
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res, _, err := r.doRequest(req)
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if err != nil {
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return nil, -1, fmt.Errorf("Failed to download json: %s", err)
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}
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defer res.Body.Close()
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if res.StatusCode != 200 {
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return nil, -1, utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d", res.StatusCode), res)
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}
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// if the size header is not present, then set it to '-1'
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imageSize := -1
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if hdr := res.Header.Get("X-Docker-Size"); hdr != "" {
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imageSize, err = strconv.Atoi(hdr)
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if err != nil {
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return nil, -1, err
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}
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}
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jsonString, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return nil, -1, fmt.Errorf("Failed to parse downloaded json: %s (%s)", err, jsonString)
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}
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return jsonString, imageSize, nil
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}
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func (r *Registry) GetRemoteImageLayer(imgID, registry string, token []string, imgSize int64) (io.ReadCloser, error) {
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var (
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retries = 5
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client *http.Client
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res *http.Response
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imageURL = fmt.Sprintf("%simages/%s/layer", registry, imgID)
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)
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req, err := r.reqFactory.NewRequest("GET", imageURL, nil)
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if err != nil {
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return nil, fmt.Errorf("Error while getting from the server: %s\n", err)
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}
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setTokenAuth(req, token)
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for i := 1; i <= retries; i++ {
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res, client, err = r.doRequest(req)
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if err != nil {
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res.Body.Close()
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if i == retries {
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return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
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res.StatusCode, imgID)
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}
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time.Sleep(time.Duration(i) * 5 * time.Second)
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continue
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}
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break
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}
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if res.StatusCode != 200 {
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res.Body.Close()
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return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
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res.StatusCode, imgID)
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}
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if res.Header.Get("Accept-Ranges") == "bytes" && imgSize > 0 {
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utils.Debugf("server supports resume")
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return httputils.ResumableRequestReaderWithInitialResponse(client, req, 5, imgSize, res), nil
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}
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utils.Debugf("server doesn't support resume")
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return res.Body, nil
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}
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func (r *Registry) GetRemoteTags(registries []string, repository string, token []string) (map[string]string, error) {
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if strings.Count(repository, "/") == 0 {
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// This will be removed once the Registry supports auto-resolution on
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// the "library" namespace
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repository = "library/" + repository
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}
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for _, host := range registries {
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endpoint := fmt.Sprintf("%srepositories/%s/tags", host, repository)
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req, err := r.reqFactory.NewRequest("GET", endpoint, nil)
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if err != nil {
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return nil, err
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}
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setTokenAuth(req, token)
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res, _, err := r.doRequest(req)
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if err != nil {
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return nil, err
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}
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utils.Debugf("Got status code %d from %s", res.StatusCode, endpoint)
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defer res.Body.Close()
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if res.StatusCode != 200 && res.StatusCode != 404 {
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continue
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} else if res.StatusCode == 404 {
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return nil, fmt.Errorf("Repository not found")
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}
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result := make(map[string]string)
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rawJSON, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return nil, err
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}
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if err := json.Unmarshal(rawJSON, &result); err != nil {
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return nil, err
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}
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return result, nil
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}
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return nil, fmt.Errorf("Could not reach any registry endpoint")
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}
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func buildEndpointsList(headers []string, indexEp string) ([]string, error) {
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var endpoints []string
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parsedUrl, err := url.Parse(indexEp)
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if err != nil {
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return nil, err
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}
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var urlScheme = parsedUrl.Scheme
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// The Registry's URL scheme has to match the Index'
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for _, ep := range headers {
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epList := strings.Split(ep, ",")
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for _, epListElement := range epList {
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endpoints = append(
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endpoints,
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fmt.Sprintf("%s://%s/v1/", urlScheme, strings.TrimSpace(epListElement)))
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}
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}
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return endpoints, nil
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}
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func (r *Registry) GetRepositoryData(remote string) (*RepositoryData, error) {
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indexEp := r.indexEndpoint
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repositoryTarget := fmt.Sprintf("%srepositories/%s/images", indexEp, remote)
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utils.Debugf("[registry] Calling GET %s", repositoryTarget)
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req, err := r.reqFactory.NewRequest("GET", repositoryTarget, nil)
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if err != nil {
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return nil, err
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}
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if r.authConfig != nil && len(r.authConfig.Username) > 0 {
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req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
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}
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req.Header.Set("X-Docker-Token", "true")
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res, _, err := r.doRequest(req)
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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if res.StatusCode == 401 {
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return nil, errLoginRequired
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}
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// TODO: Right now we're ignoring checksums in the response body.
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// In the future, we need to use them to check image validity.
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if res.StatusCode != 200 {
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return nil, utils.NewHTTPRequestError(fmt.Sprintf("HTTP code: %d", res.StatusCode), res)
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}
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var tokens []string
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if res.Header.Get("X-Docker-Token") != "" {
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tokens = res.Header["X-Docker-Token"]
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}
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var endpoints []string
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if res.Header.Get("X-Docker-Endpoints") != "" {
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endpoints, err = buildEndpointsList(res.Header["X-Docker-Endpoints"], indexEp)
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if err != nil {
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return nil, err
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}
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} else {
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// Assume the endpoint is on the same host
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u, err := url.Parse(indexEp)
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if err != nil {
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return nil, err
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}
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endpoints = append(endpoints, fmt.Sprintf("%s://%s/v1/", u.Scheme, req.URL.Host))
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}
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checksumsJSON, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return nil, err
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}
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remoteChecksums := []*ImgData{}
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if err := json.Unmarshal(checksumsJSON, &remoteChecksums); err != nil {
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return nil, err
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}
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// Forge a better object from the retrieved data
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imgsData := make(map[string]*ImgData)
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for _, elem := range remoteChecksums {
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imgsData[elem.ID] = elem
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}
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return &RepositoryData{
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ImgList: imgsData,
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Endpoints: endpoints,
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Tokens: tokens,
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}, nil
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}
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func (r *Registry) PushImageChecksumRegistry(imgData *ImgData, registry string, token []string) error {
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utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgData.ID+"/checksum")
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req, err := r.reqFactory.NewRequest("PUT", registry+"images/"+imgData.ID+"/checksum", nil)
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if err != nil {
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return err
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}
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setTokenAuth(req, token)
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req.Header.Set("X-Docker-Checksum", imgData.Checksum)
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req.Header.Set("X-Docker-Checksum-Payload", imgData.ChecksumPayload)
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res, _, err := r.doRequest(req)
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if err != nil {
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return fmt.Errorf("Failed to upload metadata: %s", err)
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}
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defer res.Body.Close()
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if len(res.Cookies()) > 0 {
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r.jar.SetCookies(req.URL, res.Cookies())
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}
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if res.StatusCode != 200 {
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errBody, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return fmt.Errorf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err)
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}
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var jsonBody map[string]string
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if err := json.Unmarshal(errBody, &jsonBody); err != nil {
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errBody = []byte(err.Error())
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} else if jsonBody["error"] == "Image already exists" {
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return ErrAlreadyExists
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}
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return fmt.Errorf("HTTP code %d while uploading metadata: %s", res.StatusCode, errBody)
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}
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return nil
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}
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// Push a local image to the registry
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func (r *Registry) PushImageJSONRegistry(imgData *ImgData, jsonRaw []byte, registry string, token []string) error {
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utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgData.ID+"/json")
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req, err := r.reqFactory.NewRequest("PUT", registry+"images/"+imgData.ID+"/json", bytes.NewReader(jsonRaw))
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if err != nil {
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return err
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}
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req.Header.Add("Content-type", "application/json")
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setTokenAuth(req, token)
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|
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res, _, err := r.doRequest(req)
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if err != nil {
|
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return fmt.Errorf("Failed to upload metadata: %s", err)
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}
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defer res.Body.Close()
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if res.StatusCode == 401 && strings.HasPrefix(registry, "http://") {
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return utils.NewHTTPRequestError("HTTP code 401, Docker will not send auth headers over HTTP.", res)
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}
|
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if res.StatusCode != 200 {
|
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errBody, err := ioutil.ReadAll(res.Body)
|
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if err != nil {
|
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return utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err), res)
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}
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var jsonBody map[string]string
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if err := json.Unmarshal(errBody, &jsonBody); err != nil {
|
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errBody = []byte(err.Error())
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} else if jsonBody["error"] == "Image already exists" {
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return ErrAlreadyExists
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}
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return utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d while uploading metadata: %s", res.StatusCode, errBody), res)
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}
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return nil
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}
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func (r *Registry) PushImageLayerRegistry(imgID string, layer io.Reader, registry string, token []string, jsonRaw []byte) (checksum string, checksumPayload string, err error) {
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|
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utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgID+"/layer")
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|
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tarsumLayer := &tarsum.TarSum{Reader: layer}
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h := sha256.New()
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h.Write(jsonRaw)
|
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h.Write([]byte{'\n'})
|
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checksumLayer := io.TeeReader(tarsumLayer, h)
|
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|
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req, err := r.reqFactory.NewRequest("PUT", registry+"images/"+imgID+"/layer", checksumLayer)
|
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if err != nil {
|
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return "", "", err
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}
|
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req.Header.Add("Content-Type", "application/octet-stream")
|
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req.ContentLength = -1
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req.TransferEncoding = []string{"chunked"}
|
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setTokenAuth(req, token)
|
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res, _, err := r.doRequest(req)
|
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if err != nil {
|
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return "", "", fmt.Errorf("Failed to upload layer: %s", err)
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}
|
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if rc, ok := layer.(io.Closer); ok {
|
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if err := rc.Close(); err != nil {
|
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return "", "", err
|
||||
}
|
||||
}
|
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defer res.Body.Close()
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||||
|
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if res.StatusCode != 200 {
|
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errBody, err := ioutil.ReadAll(res.Body)
|
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if err != nil {
|
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return "", "", utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err), res)
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}
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return "", "", utils.NewHTTPRequestError(fmt.Sprintf("Received HTTP code %d while uploading layer: %s", res.StatusCode, errBody), res)
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}
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checksumPayload = "sha256:" + hex.EncodeToString(h.Sum(nil))
|
||||
return tarsumLayer.Sum(jsonRaw), checksumPayload, nil
|
||||
}
|
||||
|
||||
// push a tag on the registry.
|
||||
// Remote has the format '<user>/<repo>
|
||||
func (r *Registry) PushRegistryTag(remote, revision, tag, registry string, token []string) error {
|
||||
// "jsonify" the string
|
||||
revision = "\"" + revision + "\""
|
||||
path := fmt.Sprintf("repositories/%s/tags/%s", remote, tag)
|
||||
|
||||
req, err := r.reqFactory.NewRequest("PUT", registry+path, strings.NewReader(revision))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Add("Content-type", "application/json")
|
||||
setTokenAuth(req, token)
|
||||
req.ContentLength = int64(len(revision))
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
res.Body.Close()
|
||||
if res.StatusCode != 200 && res.StatusCode != 201 {
|
||||
return utils.NewHTTPRequestError(fmt.Sprintf("Internal server error: %d trying to push tag %s on %s", res.StatusCode, tag, remote), res)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *Registry) PushImageJSONIndex(remote string, imgList []*ImgData, validate bool, regs []string) (*RepositoryData, error) {
|
||||
cleanImgList := []*ImgData{}
|
||||
indexEp := r.indexEndpoint
|
||||
|
||||
if validate {
|
||||
for _, elem := range imgList {
|
||||
if elem.Checksum != "" {
|
||||
cleanImgList = append(cleanImgList, elem)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
cleanImgList = imgList
|
||||
}
|
||||
|
||||
imgListJSON, err := json.Marshal(cleanImgList)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var suffix string
|
||||
if validate {
|
||||
suffix = "images"
|
||||
}
|
||||
u := fmt.Sprintf("%srepositories/%s/%s", indexEp, remote, suffix)
|
||||
utils.Debugf("[registry] PUT %s", u)
|
||||
utils.Debugf("Image list pushed to index:\n%s", imgListJSON)
|
||||
req, err := r.reqFactory.NewRequest("PUT", u, bytes.NewReader(imgListJSON))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
req.Header.Add("Content-type", "application/json")
|
||||
req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
|
||||
req.ContentLength = int64(len(imgListJSON))
|
||||
req.Header.Set("X-Docker-Token", "true")
|
||||
if validate {
|
||||
req.Header["X-Docker-Endpoints"] = regs
|
||||
}
|
||||
|
||||
res, _, err := r.doRequest(req)
|
||||
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", res.Header.Get("Location"))
|
||||
req, err = r.reqFactory.NewRequest("PUT", res.Header.Get("Location"), bytes.NewReader(imgListJSON))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
|
||||
req.ContentLength = int64(len(imgListJSON))
|
||||
req.Header.Set("X-Docker-Token", "true")
|
||||
if validate {
|
||||
req.Header["X-Docker-Endpoints"] = regs
|
||||
}
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer res.Body.Close()
|
||||
}
|
||||
|
||||
var tokens, endpoints []string
|
||||
if !validate {
|
||||
if res.StatusCode != 200 && res.StatusCode != 201 {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return nil, utils.NewHTTPRequestError(fmt.Sprintf("Error: Status %d trying to push repository %s: %s", res.StatusCode, remote, errBody), res)
|
||||
}
|
||||
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")
|
||||
}
|
||||
|
||||
if res.Header.Get("X-Docker-Endpoints") != "" {
|
||||
endpoints, err = buildEndpointsList(res.Header["X-Docker-Endpoints"], indexEp)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
return nil, fmt.Errorf("Index response didn't contain any endpoints")
|
||||
}
|
||||
}
|
||||
if validate {
|
||||
if res.StatusCode != 204 {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return nil, utils.NewHTTPRequestError(fmt.Sprintf("Error: Status %d trying to push checksums %s: %s", res.StatusCode, remote, errBody), res)
|
||||
}
|
||||
}
|
||||
|
||||
return &RepositoryData{
|
||||
Tokens: tokens,
|
||||
Endpoints: endpoints,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (r *Registry) SearchRepositories(term string) (*SearchResults, error) {
|
||||
utils.Debugf("Index server: %s", r.indexEndpoint)
|
||||
u := r.indexEndpoint + "search?q=" + url.QueryEscape(term)
|
||||
req, err := r.reqFactory.NewRequest("GET", u, nil)
|
||||
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")
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode != 200 {
|
||||
return nil, utils.NewHTTPRequestError(fmt.Sprintf("Unexepected status code %d", res.StatusCode), res)
|
||||
}
|
||||
rawData, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
result := new(SearchResults)
|
||||
err = json.Unmarshal(rawData, result)
|
||||
return result, err
|
||||
}
|
||||
|
||||
func (r *Registry) GetAuthConfig(withPasswd bool) *AuthConfig {
|
||||
password := ""
|
||||
if withPasswd {
|
||||
password = r.authConfig.Password
|
||||
}
|
||||
return &AuthConfig{
|
||||
Username: r.authConfig.Username,
|
||||
Password: password,
|
||||
Email: r.authConfig.Email,
|
||||
}
|
||||
}
|
||||
|
||||
type SearchResult struct {
|
||||
StarCount int `json:"star_count"`
|
||||
IsOfficial bool `json:"is_official"`
|
||||
Name string `json:"name"`
|
||||
IsTrusted bool `json:"is_trusted"`
|
||||
Description string `json:"description"`
|
||||
}
|
||||
|
||||
type SearchResults struct {
|
||||
Query string `json:"query"`
|
||||
NumResults int `json:"num_results"`
|
||||
Results []SearchResult `json:"results"`
|
||||
}
|
||||
|
||||
type RepositoryData struct {
|
||||
ImgList map[string]*ImgData
|
||||
Endpoints []string
|
||||
Tokens []string
|
||||
}
|
||||
|
||||
type ImgData struct {
|
||||
ID string `json:"id"`
|
||||
Checksum string `json:"checksum,omitempty"`
|
||||
ChecksumPayload string `json:"-"`
|
||||
Tag string `json:",omitempty"`
|
||||
}
|
||||
|
||||
type RegistryInfo struct {
|
||||
Version string `json:"version"`
|
||||
Standalone bool `json:"standalone"`
|
||||
}
|
||||
|
||||
type Registry struct {
|
||||
authConfig *AuthConfig
|
||||
reqFactory *utils.HTTPRequestFactory
|
||||
indexEndpoint string
|
||||
jar *cookiejar.Jar
|
||||
timeout TimeoutType
|
||||
}
|
||||
|
||||
func trustedLocation(req *http.Request) bool {
|
||||
var (
|
||||
trusteds = []string{"docker.com", "docker.io"}
|
||||
|
|
@ -919,73 +317,3 @@ func AddRequiredHeadersToRedirectedRequests(req *http.Request, via []*http.Reque
|
|||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func NewRegistry(authConfig *AuthConfig, factory *utils.HTTPRequestFactory, indexEndpoint string, timeout bool) (r *Registry, err error) {
|
||||
r = &Registry{
|
||||
authConfig: authConfig,
|
||||
indexEndpoint: indexEndpoint,
|
||||
}
|
||||
|
||||
if timeout {
|
||||
r.timeout = ReceiveTimeout
|
||||
}
|
||||
|
||||
r.jar, err = cookiejar.New(nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// If we're working with a standalone private registry over HTTPS, send Basic Auth headers
|
||||
// alongside our requests.
|
||||
if indexEndpoint != IndexServerAddress() && strings.HasPrefix(indexEndpoint, "https://") {
|
||||
info, err := pingRegistryEndpoint(indexEndpoint)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if info.Standalone {
|
||||
utils.Debugf("Endpoint %s is eligible for private registry registry. Enabling decorator.", indexEndpoint)
|
||||
dec := utils.NewHTTPAuthDecorator(authConfig.Username, authConfig.Password)
|
||||
factory.AddDecorator(dec)
|
||||
}
|
||||
}
|
||||
|
||||
r.reqFactory = factory
|
||||
return r, nil
|
||||
}
|
||||
|
||||
func HTTPRequestFactory(metaHeaders map[string][]string) *utils.HTTPRequestFactory {
|
||||
// FIXME: this replicates the 'info' job.
|
||||
httpVersion := make([]utils.VersionInfo, 0, 4)
|
||||
httpVersion = append(httpVersion, &simpleVersionInfo{"docker", dockerversion.VERSION})
|
||||
httpVersion = append(httpVersion, &simpleVersionInfo{"go", runtime.Version()})
|
||||
httpVersion = append(httpVersion, &simpleVersionInfo{"git-commit", dockerversion.GITCOMMIT})
|
||||
if kernelVersion, err := kernel.GetKernelVersion(); err == nil {
|
||||
httpVersion = append(httpVersion, &simpleVersionInfo{"kernel", kernelVersion.String()})
|
||||
}
|
||||
httpVersion = append(httpVersion, &simpleVersionInfo{"os", runtime.GOOS})
|
||||
httpVersion = append(httpVersion, &simpleVersionInfo{"arch", runtime.GOARCH})
|
||||
ud := utils.NewHTTPUserAgentDecorator(httpVersion...)
|
||||
md := &utils.HTTPMetaHeadersDecorator{
|
||||
Headers: metaHeaders,
|
||||
}
|
||||
factory := utils.NewHTTPRequestFactory(ud, md)
|
||||
return factory
|
||||
}
|
||||
|
||||
// simpleVersionInfo is a simple implementation of
|
||||
// the interface VersionInfo, which is used
|
||||
// to provide version information for some product,
|
||||
// component, etc. It stores the product name and the version
|
||||
// in string and returns them on calls to Name() and Version().
|
||||
type simpleVersionInfo struct {
|
||||
name string
|
||||
version string
|
||||
}
|
||||
|
||||
func (v *simpleVersionInfo) Name() string {
|
||||
return v.name
|
||||
}
|
||||
|
||||
func (v *simpleVersionInfo) Version() string {
|
||||
return v.version
|
||||
}
|
||||
|
|
|
|||
|
|
@ -16,9 +16,9 @@ var (
|
|||
REPO = "foo42/bar"
|
||||
)
|
||||
|
||||
func spawnTestRegistry(t *testing.T) *Registry {
|
||||
func spawnTestRegistrySession(t *testing.T) *Session {
|
||||
authConfig := &AuthConfig{}
|
||||
r, err := NewRegistry(authConfig, utils.NewHTTPRequestFactory(), makeURL("/v1/"), true)
|
||||
r, err := NewSession(authConfig, utils.NewHTTPRequestFactory(), makeURL("/v1/"), true)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
|
@ -34,7 +34,7 @@ func TestPingRegistryEndpoint(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestGetRemoteHistory(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
hist, err := r.GetRemoteHistory(IMAGE_ID, makeURL("/v1/"), TOKEN)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
|
@ -46,7 +46,7 @@ func TestGetRemoteHistory(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestLookupRemoteImage(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
found := r.LookupRemoteImage(IMAGE_ID, makeURL("/v1/"), TOKEN)
|
||||
assertEqual(t, found, true, "Expected remote lookup to succeed")
|
||||
found = r.LookupRemoteImage("abcdef", makeURL("/v1/"), TOKEN)
|
||||
|
|
@ -54,7 +54,7 @@ func TestLookupRemoteImage(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestGetRemoteImageJSON(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
json, size, err := r.GetRemoteImageJSON(IMAGE_ID, makeURL("/v1/"), TOKEN)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
|
@ -71,7 +71,7 @@ func TestGetRemoteImageJSON(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestGetRemoteImageLayer(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
data, err := r.GetRemoteImageLayer(IMAGE_ID, makeURL("/v1/"), TOKEN, 0)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
|
@ -87,7 +87,7 @@ func TestGetRemoteImageLayer(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestGetRemoteTags(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
tags, err := r.GetRemoteTags([]string{makeURL("/v1/")}, REPO, TOKEN)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
|
@ -102,7 +102,7 @@ func TestGetRemoteTags(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestGetRepositoryData(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
parsedUrl, err := url.Parse(makeURL("/v1/"))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
|
@ -123,7 +123,7 @@ func TestGetRepositoryData(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestPushImageJSONRegistry(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
imgData := &ImgData{
|
||||
ID: "77dbf71da1d00e3fbddc480176eac8994025630c6590d11cfc8fe1209c2a1d20",
|
||||
Checksum: "sha256:1ac330d56e05eef6d438586545ceff7550d3bdcb6b19961f12c5ba714ee1bb37",
|
||||
|
|
@ -136,7 +136,7 @@ func TestPushImageJSONRegistry(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestPushImageLayerRegistry(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
layer := strings.NewReader("")
|
||||
_, _, err := r.PushImageLayerRegistry(IMAGE_ID, layer, makeURL("/v1/"), TOKEN, []byte{})
|
||||
if err != nil {
|
||||
|
|
@ -171,7 +171,7 @@ func TestResolveRepositoryName(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestPushRegistryTag(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
err := r.PushRegistryTag("foo42/bar", IMAGE_ID, "stable", makeURL("/v1/"), TOKEN)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
|
@ -179,7 +179,7 @@ func TestPushRegistryTag(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestPushImageJSONIndex(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
imgData := []*ImgData{
|
||||
{
|
||||
ID: "77dbf71da1d00e3fbddc480176eac8994025630c6590d11cfc8fe1209c2a1d20",
|
||||
|
|
@ -207,7 +207,7 @@ func TestPushImageJSONIndex(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestSearchRepositories(t *testing.T) {
|
||||
r := spawnTestRegistry(t)
|
||||
r := spawnTestRegistrySession(t)
|
||||
results, err := r.SearchRepositories("fakequery")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
|
|
|||
|
|
@ -82,7 +82,7 @@ func (s *Service) Search(job *engine.Job) engine.Status {
|
|||
job.GetenvJson("authConfig", authConfig)
|
||||
job.GetenvJson("metaHeaders", metaHeaders)
|
||||
|
||||
r, err := NewRegistry(authConfig, HTTPRequestFactory(metaHeaders), IndexServerAddress(), true)
|
||||
r, err := NewSession(authConfig, HTTPRequestFactory(metaHeaders), IndexServerAddress(), true)
|
||||
if err != nil {
|
||||
return job.Error(err)
|
||||
}
|
||||
|
|
|
|||
611
docs/session.go
Normal file
611
docs/session.go
Normal file
|
|
@ -0,0 +1,611 @@
|
|||
package registry
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/sha256"
|
||||
_ "crypto/sha512"
|
||||
"encoding/hex"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"net/http/cookiejar"
|
||||
"net/url"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/docker/docker/pkg/httputils"
|
||||
"github.com/docker/docker/pkg/tarsum"
|
||||
"github.com/docker/docker/utils"
|
||||
)
|
||||
|
||||
type Session struct {
|
||||
authConfig *AuthConfig
|
||||
reqFactory *utils.HTTPRequestFactory
|
||||
indexEndpoint string
|
||||
jar *cookiejar.Jar
|
||||
timeout TimeoutType
|
||||
}
|
||||
|
||||
func NewSession(authConfig *AuthConfig, factory *utils.HTTPRequestFactory, indexEndpoint string, timeout bool) (r *Session, err error) {
|
||||
r = &Session{
|
||||
authConfig: authConfig,
|
||||
indexEndpoint: indexEndpoint,
|
||||
}
|
||||
|
||||
if timeout {
|
||||
r.timeout = ReceiveTimeout
|
||||
}
|
||||
|
||||
r.jar, err = cookiejar.New(nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// If we're working with a standalone private registry over HTTPS, send Basic Auth headers
|
||||
// alongside our requests.
|
||||
if indexEndpoint != IndexServerAddress() && strings.HasPrefix(indexEndpoint, "https://") {
|
||||
info, err := pingRegistryEndpoint(indexEndpoint)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if info.Standalone {
|
||||
utils.Debugf("Endpoint %s is eligible for private registry registry. Enabling decorator.", indexEndpoint)
|
||||
dec := utils.NewHTTPAuthDecorator(authConfig.Username, authConfig.Password)
|
||||
factory.AddDecorator(dec)
|
||||
}
|
||||
}
|
||||
|
||||
r.reqFactory = factory
|
||||
return r, nil
|
||||
}
|
||||
|
||||
func (r *Session) doRequest(req *http.Request) (*http.Response, *http.Client, error) {
|
||||
return doRequest(req, r.jar, r.timeout)
|
||||
}
|
||||
|
||||
// Retrieve the history of a given image from the Registry.
|
||||
// Return a list of the parent's json (requested image included)
|
||||
func (r *Session) GetRemoteHistory(imgID, registry string, token []string) ([]string, error) {
|
||||
req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/ancestry", nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
setTokenAuth(req, token)
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode != 200 {
|
||||
if res.StatusCode == 401 {
|
||||
return nil, errLoginRequired
|
||||
}
|
||||
return nil, utils.NewHTTPRequestError(fmt.Sprintf("Server error: %d trying to fetch remote history for %s", res.StatusCode, imgID), res)
|
||||
}
|
||||
|
||||
jsonString, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("Error while reading the http response: %s", err)
|
||||
}
|
||||
|
||||
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
|
||||
// TODO: This method should return the errors instead of masking them and returning false
|
||||
func (r *Session) LookupRemoteImage(imgID, registry string, token []string) bool {
|
||||
|
||||
req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
|
||||
if err != nil {
|
||||
utils.Errorf("Error in LookupRemoteImage %s", err)
|
||||
return false
|
||||
}
|
||||
setTokenAuth(req, token)
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
utils.Errorf("Error in LookupRemoteImage %s", err)
|
||||
return false
|
||||
}
|
||||
res.Body.Close()
|
||||
return res.StatusCode == 200
|
||||
}
|
||||
|
||||
// Retrieve an image from the Registry.
|
||||
func (r *Session) GetRemoteImageJSON(imgID, registry string, token []string) ([]byte, int, error) {
|
||||
// Get the JSON
|
||||
req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
|
||||
if err != nil {
|
||||
return nil, -1, fmt.Errorf("Failed to download json: %s", err)
|
||||
}
|
||||
setTokenAuth(req, token)
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, -1, fmt.Errorf("Failed to download json: %s", err)
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode != 200 {
|
||||
return nil, -1, utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d", res.StatusCode), res)
|
||||
}
|
||||
// if the size header is not present, then set it to '-1'
|
||||
imageSize := -1
|
||||
if hdr := res.Header.Get("X-Docker-Size"); hdr != "" {
|
||||
imageSize, err = strconv.Atoi(hdr)
|
||||
if err != nil {
|
||||
return nil, -1, err
|
||||
}
|
||||
}
|
||||
|
||||
jsonString, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, -1, fmt.Errorf("Failed to parse downloaded json: %s (%s)", err, jsonString)
|
||||
}
|
||||
return jsonString, imageSize, nil
|
||||
}
|
||||
|
||||
func (r *Session) GetRemoteImageLayer(imgID, registry string, token []string, imgSize int64) (io.ReadCloser, error) {
|
||||
var (
|
||||
retries = 5
|
||||
client *http.Client
|
||||
res *http.Response
|
||||
imageURL = fmt.Sprintf("%simages/%s/layer", registry, imgID)
|
||||
)
|
||||
|
||||
req, err := r.reqFactory.NewRequest("GET", imageURL, nil)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("Error while getting from the server: %s\n", err)
|
||||
}
|
||||
setTokenAuth(req, token)
|
||||
for i := 1; i <= retries; i++ {
|
||||
res, client, err = r.doRequest(req)
|
||||
if err != nil {
|
||||
res.Body.Close()
|
||||
if i == retries {
|
||||
return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
|
||||
res.StatusCode, imgID)
|
||||
}
|
||||
time.Sleep(time.Duration(i) * 5 * time.Second)
|
||||
continue
|
||||
}
|
||||
break
|
||||
}
|
||||
|
||||
if res.StatusCode != 200 {
|
||||
res.Body.Close()
|
||||
return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
|
||||
res.StatusCode, imgID)
|
||||
}
|
||||
|
||||
if res.Header.Get("Accept-Ranges") == "bytes" && imgSize > 0 {
|
||||
utils.Debugf("server supports resume")
|
||||
return httputils.ResumableRequestReaderWithInitialResponse(client, req, 5, imgSize, res), nil
|
||||
}
|
||||
utils.Debugf("server doesn't support resume")
|
||||
return res.Body, nil
|
||||
}
|
||||
|
||||
func (r *Session) GetRemoteTags(registries []string, repository string, token []string) (map[string]string, error) {
|
||||
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 {
|
||||
endpoint := fmt.Sprintf("%srepositories/%s/tags", host, repository)
|
||||
req, err := r.reqFactory.NewRequest("GET", endpoint, nil)
|
||||
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
setTokenAuth(req, token)
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
utils.Debugf("Got status code %d from %s", res.StatusCode, endpoint)
|
||||
defer res.Body.Close()
|
||||
|
||||
if res.StatusCode != 200 && res.StatusCode != 404 {
|
||||
continue
|
||||
} else if res.StatusCode == 404 {
|
||||
return nil, fmt.Errorf("Repository not found")
|
||||
}
|
||||
|
||||
result := make(map[string]string)
|
||||
rawJSON, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if err := json.Unmarshal(rawJSON, &result); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return result, nil
|
||||
}
|
||||
return nil, fmt.Errorf("Could not reach any registry endpoint")
|
||||
}
|
||||
|
||||
func buildEndpointsList(headers []string, indexEp string) ([]string, error) {
|
||||
var endpoints []string
|
||||
parsedUrl, err := url.Parse(indexEp)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var urlScheme = parsedUrl.Scheme
|
||||
// The Registry's URL scheme has to match the Index'
|
||||
for _, ep := range headers {
|
||||
epList := strings.Split(ep, ",")
|
||||
for _, epListElement := range epList {
|
||||
endpoints = append(
|
||||
endpoints,
|
||||
fmt.Sprintf("%s://%s/v1/", urlScheme, strings.TrimSpace(epListElement)))
|
||||
}
|
||||
}
|
||||
return endpoints, nil
|
||||
}
|
||||
|
||||
func (r *Session) GetRepositoryData(remote string) (*RepositoryData, error) {
|
||||
indexEp := r.indexEndpoint
|
||||
repositoryTarget := fmt.Sprintf("%srepositories/%s/images", indexEp, remote)
|
||||
|
||||
utils.Debugf("[registry] Calling GET %s", repositoryTarget)
|
||||
|
||||
req, err := r.reqFactory.NewRequest("GET", repositoryTarget, nil)
|
||||
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")
|
||||
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode == 401 {
|
||||
return nil, errLoginRequired
|
||||
}
|
||||
// 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, utils.NewHTTPRequestError(fmt.Sprintf("HTTP code: %d", res.StatusCode), res)
|
||||
}
|
||||
|
||||
var tokens []string
|
||||
if res.Header.Get("X-Docker-Token") != "" {
|
||||
tokens = res.Header["X-Docker-Token"]
|
||||
}
|
||||
|
||||
var endpoints []string
|
||||
if res.Header.Get("X-Docker-Endpoints") != "" {
|
||||
endpoints, err = buildEndpointsList(res.Header["X-Docker-Endpoints"], indexEp)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
// Assume the endpoint is on the same host
|
||||
u, err := url.Parse(indexEp)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
endpoints = append(endpoints, fmt.Sprintf("%s://%s/v1/", u.Scheme, req.URL.Host))
|
||||
}
|
||||
|
||||
checksumsJSON, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
remoteChecksums := []*ImgData{}
|
||||
if err := json.Unmarshal(checksumsJSON, &remoteChecksums); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Forge a better object from the retrieved data
|
||||
imgsData := make(map[string]*ImgData)
|
||||
for _, elem := range remoteChecksums {
|
||||
imgsData[elem.ID] = elem
|
||||
}
|
||||
|
||||
return &RepositoryData{
|
||||
ImgList: imgsData,
|
||||
Endpoints: endpoints,
|
||||
Tokens: tokens,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (r *Session) PushImageChecksumRegistry(imgData *ImgData, registry string, token []string) error {
|
||||
|
||||
utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgData.ID+"/checksum")
|
||||
|
||||
req, err := r.reqFactory.NewRequest("PUT", registry+"images/"+imgData.ID+"/checksum", nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
setTokenAuth(req, token)
|
||||
req.Header.Set("X-Docker-Checksum", imgData.Checksum)
|
||||
req.Header.Set("X-Docker-Checksum-Payload", imgData.ChecksumPayload)
|
||||
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to upload metadata: %s", err)
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if len(res.Cookies()) > 0 {
|
||||
r.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
|
||||
}
|
||||
|
||||
// Push a local image to the registry
|
||||
func (r *Session) PushImageJSONRegistry(imgData *ImgData, jsonRaw []byte, registry string, token []string) error {
|
||||
|
||||
utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgData.ID+"/json")
|
||||
|
||||
req, err := r.reqFactory.NewRequest("PUT", registry+"images/"+imgData.ID+"/json", bytes.NewReader(jsonRaw))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Add("Content-type", "application/json")
|
||||
setTokenAuth(req, token)
|
||||
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to upload metadata: %s", err)
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode == 401 && strings.HasPrefix(registry, "http://") {
|
||||
return utils.NewHTTPRequestError("HTTP code 401, Docker will not send auth headers over HTTP.", res)
|
||||
}
|
||||
if res.StatusCode != 200 {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err), res)
|
||||
}
|
||||
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 utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d while uploading metadata: %s", res.StatusCode, errBody), res)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *Session) PushImageLayerRegistry(imgID string, layer io.Reader, registry string, token []string, jsonRaw []byte) (checksum string, checksumPayload string, err error) {
|
||||
|
||||
utils.Debugf("[registry] Calling PUT %s", registry+"images/"+imgID+"/layer")
|
||||
|
||||
tarsumLayer := &tarsum.TarSum{Reader: layer}
|
||||
h := sha256.New()
|
||||
h.Write(jsonRaw)
|
||||
h.Write([]byte{'\n'})
|
||||
checksumLayer := io.TeeReader(tarsumLayer, h)
|
||||
|
||||
req, err := r.reqFactory.NewRequest("PUT", registry+"images/"+imgID+"/layer", checksumLayer)
|
||||
if err != nil {
|
||||
return "", "", err
|
||||
}
|
||||
req.Header.Add("Content-Type", "application/octet-stream")
|
||||
req.ContentLength = -1
|
||||
req.TransferEncoding = []string{"chunked"}
|
||||
setTokenAuth(req, token)
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return "", "", fmt.Errorf("Failed to upload layer: %s", err)
|
||||
}
|
||||
if rc, ok := layer.(io.Closer); ok {
|
||||
if err := rc.Close(); err != nil {
|
||||
return "", "", err
|
||||
}
|
||||
}
|
||||
defer res.Body.Close()
|
||||
|
||||
if res.StatusCode != 200 {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return "", "", utils.NewHTTPRequestError(fmt.Sprintf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err), res)
|
||||
}
|
||||
return "", "", utils.NewHTTPRequestError(fmt.Sprintf("Received HTTP code %d while uploading layer: %s", res.StatusCode, errBody), res)
|
||||
}
|
||||
|
||||
checksumPayload = "sha256:" + hex.EncodeToString(h.Sum(nil))
|
||||
return tarsumLayer.Sum(jsonRaw), checksumPayload, nil
|
||||
}
|
||||
|
||||
// push a tag on the registry.
|
||||
// Remote has the format '<user>/<repo>
|
||||
func (r *Session) PushRegistryTag(remote, revision, tag, registry string, token []string) error {
|
||||
// "jsonify" the string
|
||||
revision = "\"" + revision + "\""
|
||||
path := fmt.Sprintf("repositories/%s/tags/%s", remote, tag)
|
||||
|
||||
req, err := r.reqFactory.NewRequest("PUT", registry+path, strings.NewReader(revision))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Add("Content-type", "application/json")
|
||||
setTokenAuth(req, token)
|
||||
req.ContentLength = int64(len(revision))
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
res.Body.Close()
|
||||
if res.StatusCode != 200 && res.StatusCode != 201 {
|
||||
return utils.NewHTTPRequestError(fmt.Sprintf("Internal server error: %d trying to push tag %s on %s", res.StatusCode, tag, remote), res)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *Session) PushImageJSONIndex(remote string, imgList []*ImgData, validate bool, regs []string) (*RepositoryData, error) {
|
||||
cleanImgList := []*ImgData{}
|
||||
indexEp := r.indexEndpoint
|
||||
|
||||
if validate {
|
||||
for _, elem := range imgList {
|
||||
if elem.Checksum != "" {
|
||||
cleanImgList = append(cleanImgList, elem)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
cleanImgList = imgList
|
||||
}
|
||||
|
||||
imgListJSON, err := json.Marshal(cleanImgList)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var suffix string
|
||||
if validate {
|
||||
suffix = "images"
|
||||
}
|
||||
u := fmt.Sprintf("%srepositories/%s/%s", indexEp, remote, suffix)
|
||||
utils.Debugf("[registry] PUT %s", u)
|
||||
utils.Debugf("Image list pushed to index:\n%s", imgListJSON)
|
||||
req, err := r.reqFactory.NewRequest("PUT", u, bytes.NewReader(imgListJSON))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
req.Header.Add("Content-type", "application/json")
|
||||
req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
|
||||
req.ContentLength = int64(len(imgListJSON))
|
||||
req.Header.Set("X-Docker-Token", "true")
|
||||
if validate {
|
||||
req.Header["X-Docker-Endpoints"] = regs
|
||||
}
|
||||
|
||||
res, _, err := r.doRequest(req)
|
||||
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", res.Header.Get("Location"))
|
||||
req, err = r.reqFactory.NewRequest("PUT", res.Header.Get("Location"), bytes.NewReader(imgListJSON))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
req.SetBasicAuth(r.authConfig.Username, r.authConfig.Password)
|
||||
req.ContentLength = int64(len(imgListJSON))
|
||||
req.Header.Set("X-Docker-Token", "true")
|
||||
if validate {
|
||||
req.Header["X-Docker-Endpoints"] = regs
|
||||
}
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer res.Body.Close()
|
||||
}
|
||||
|
||||
var tokens, endpoints []string
|
||||
if !validate {
|
||||
if res.StatusCode != 200 && res.StatusCode != 201 {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return nil, utils.NewHTTPRequestError(fmt.Sprintf("Error: Status %d trying to push repository %s: %s", res.StatusCode, remote, errBody), res)
|
||||
}
|
||||
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")
|
||||
}
|
||||
|
||||
if res.Header.Get("X-Docker-Endpoints") != "" {
|
||||
endpoints, err = buildEndpointsList(res.Header["X-Docker-Endpoints"], indexEp)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
return nil, fmt.Errorf("Index response didn't contain any endpoints")
|
||||
}
|
||||
}
|
||||
if validate {
|
||||
if res.StatusCode != 204 {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return nil, utils.NewHTTPRequestError(fmt.Sprintf("Error: Status %d trying to push checksums %s: %s", res.StatusCode, remote, errBody), res)
|
||||
}
|
||||
}
|
||||
|
||||
return &RepositoryData{
|
||||
Tokens: tokens,
|
||||
Endpoints: endpoints,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (r *Session) SearchRepositories(term string) (*SearchResults, error) {
|
||||
utils.Debugf("Index server: %s", r.indexEndpoint)
|
||||
u := r.indexEndpoint + "search?q=" + url.QueryEscape(term)
|
||||
req, err := r.reqFactory.NewRequest("GET", u, nil)
|
||||
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")
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode != 200 {
|
||||
return nil, utils.NewHTTPRequestError(fmt.Sprintf("Unexepected status code %d", res.StatusCode), res)
|
||||
}
|
||||
rawData, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
result := new(SearchResults)
|
||||
err = json.Unmarshal(rawData, result)
|
||||
return result, err
|
||||
}
|
||||
|
||||
func (r *Session) GetAuthConfig(withPasswd bool) *AuthConfig {
|
||||
password := ""
|
||||
if withPasswd {
|
||||
password = r.authConfig.Password
|
||||
}
|
||||
return &AuthConfig{
|
||||
Username: r.authConfig.Username,
|
||||
Password: password,
|
||||
Email: r.authConfig.Email,
|
||||
}
|
||||
}
|
||||
|
||||
func setTokenAuth(req *http.Request, token []string) {
|
||||
if req.Header.Get("Authorization") == "" { // Don't override
|
||||
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
||||
}
|
||||
}
|
||||
33
docs/types.go
Normal file
33
docs/types.go
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
package registry
|
||||
|
||||
type SearchResult struct {
|
||||
StarCount int `json:"star_count"`
|
||||
IsOfficial bool `json:"is_official"`
|
||||
Name string `json:"name"`
|
||||
IsTrusted bool `json:"is_trusted"`
|
||||
Description string `json:"description"`
|
||||
}
|
||||
|
||||
type SearchResults struct {
|
||||
Query string `json:"query"`
|
||||
NumResults int `json:"num_results"`
|
||||
Results []SearchResult `json:"results"`
|
||||
}
|
||||
|
||||
type RepositoryData struct {
|
||||
ImgList map[string]*ImgData
|
||||
Endpoints []string
|
||||
Tokens []string
|
||||
}
|
||||
|
||||
type ImgData struct {
|
||||
ID string `json:"id"`
|
||||
Checksum string `json:"checksum,omitempty"`
|
||||
ChecksumPayload string `json:"-"`
|
||||
Tag string `json:",omitempty"`
|
||||
}
|
||||
|
||||
type RegistryInfo struct {
|
||||
Version string `json:"version"`
|
||||
Standalone bool `json:"standalone"`
|
||||
}
|
||||
Loading…
Reference in a new issue