2013-03-21 17:10:14 +00:00
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package docker
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import (
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2013-04-23 16:52:46 +00:00
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"bytes"
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2013-03-21 17:10:14 +00:00
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"encoding/json"
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"fmt"
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2013-03-22 08:25:27 +00:00
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"github.com/dotcloud/docker/auth"
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2013-04-26 21:00:09 +00:00
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"github.com/shin-/cookiejar"
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2013-03-21 17:10:14 +00:00
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"io"
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"io/ioutil"
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"net/http"
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2013-05-07 10:49:08 +00:00
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"net/url"
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2013-05-09 02:36:12 +00:00
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"os"
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2013-03-21 17:10:14 +00:00
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"path"
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"strings"
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)
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//FIXME: Set the endpoint in a conf file or via commandline
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2013-04-15 10:28:54 +00:00
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const INDEX_ENDPOINT = auth.INDEX_SERVER + "/v1"
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2013-03-21 17:10:14 +00:00
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// Build an Image object from raw json data
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func NewImgJson(src []byte) (*Image, error) {
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ret := &Image{}
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2013-03-22 20:21:44 +00:00
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Debugf("Json string: {%s}\n", src)
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2013-03-30 07:22:24 +00:00
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// FIXME: Is there a cleaner way to "purify" the input json?
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2013-03-21 17:10:14 +00:00
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if err := json.Unmarshal(src, ret); err != nil {
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return nil, err
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}
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return ret, nil
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}
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2013-04-26 21:00:09 +00:00
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func doWithCookies(c *http.Client, req *http.Request) (*http.Response, error) {
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for _, cookie := range c.Jar.Cookies(req.URL) {
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req.AddCookie(cookie)
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}
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return c.Do(req)
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}
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2013-03-21 17:10:14 +00:00
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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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2013-04-29 13:56:33 +00:00
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func (graph *Graph) getRemoteHistory(imgId, registry string, token []string) ([]string, error) {
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2013-04-18 15:16:58 +00:00
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client := graph.getHttpClient()
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2013-03-22 09:57:28 +00:00
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2013-04-15 10:28:54 +00:00
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req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/ancestry", nil)
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2013-03-22 09:57:28 +00:00
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if err != nil {
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return nil, err
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}
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2013-05-02 15:18:33 +00:00
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req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
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2013-03-22 09:57:28 +00:00
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res, err := client.Do(req)
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2013-03-22 11:44:07 +00:00
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if err != nil || res.StatusCode != 200 {
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if res != nil {
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return nil, fmt.Errorf("Internal server error: %d trying to fetch remote history for %s", res.StatusCode, imgId)
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}
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2013-03-22 09:57:28 +00:00
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return nil, err
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2013-03-21 17:10:14 +00:00
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}
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defer res.Body.Close()
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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\n", err)
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}
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2013-04-29 13:56:33 +00:00
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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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2013-03-21 17:10:14 +00:00
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}
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2013-04-29 13:56:33 +00:00
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return *history, nil
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2013-03-21 17:10:14 +00:00
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}
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2013-04-18 15:16:58 +00:00
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func (graph *Graph) getHttpClient() *http.Client {
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if graph.httpClient == nil {
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2013-05-06 22:58:04 +00:00
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graph.httpClient = &http.Client{}
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2013-04-26 21:00:09 +00:00
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graph.httpClient.Jar = cookiejar.NewCookieJar()
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2013-04-18 15:16:58 +00:00
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}
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return graph.httpClient
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}
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2013-03-22 08:25:27 +00:00
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// Check if an image exists in the Registry
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2013-04-15 10:28:54 +00:00
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func (graph *Graph) LookupRemoteImage(imgId, registry string, authConfig *auth.AuthConfig) bool {
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2013-03-22 17:22:22 +00:00
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rt := &http.Transport{Proxy: http.ProxyFromEnvironment}
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2013-03-22 09:57:28 +00:00
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2013-04-15 10:28:54 +00:00
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req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/json", nil)
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2013-03-22 09:57:28 +00:00
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if err != nil {
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return false
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}
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req.SetBasicAuth(authConfig.Username, authConfig.Password)
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2013-03-22 17:22:22 +00:00
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res, err := rt.RoundTrip(req)
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2013-04-15 10:28:54 +00:00
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return err == nil && res.StatusCode == 307
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2013-03-22 08:25:27 +00:00
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}
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2013-04-30 21:11:16 +00:00
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func (graph *Graph) getImagesInRepository(repository string, authConfig *auth.AuthConfig) ([]map[string]string, error) {
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2013-05-02 15:18:33 +00:00
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u := INDEX_ENDPOINT + "/repositories/" + repository + "/images"
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2013-04-30 21:11:16 +00:00
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req, err := http.NewRequest("GET", u, nil)
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if err != nil {
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return nil, err
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}
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2013-05-02 22:30:03 +00:00
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if authConfig != nil && len(authConfig.Username) > 0 {
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req.SetBasicAuth(authConfig.Username, authConfig.Password)
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}
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2013-04-30 21:11:16 +00:00
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res, err := graph.getHttpClient().Do(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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// Repository doesn't exist yet
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if res.StatusCode == 404 {
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return nil, nil
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}
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jsonData, 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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2013-05-02 22:30:03 +00:00
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2013-04-30 21:11:16 +00:00
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imageList := []map[string]string{}
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2013-05-02 22:30:03 +00:00
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2013-04-30 21:11:16 +00:00
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err = json.Unmarshal(jsonData, &imageList)
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if err != nil {
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2013-05-02 22:30:03 +00:00
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Debugf("Body: %s (%s)\n", res.Body, u)
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2013-04-30 21:11:16 +00:00
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return nil, err
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}
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return imageList, nil
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}
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2013-03-21 17:10:14 +00:00
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// Retrieve an image from the Registry.
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// Returns the Image object as well as the layer as an Archive (io.Reader)
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2013-04-15 18:17:03 +00:00
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func (graph *Graph) getRemoteImage(stdout io.Writer, imgId, registry string, token []string) (*Image, Archive, error) {
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2013-04-18 15:16:58 +00:00
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client := graph.getHttpClient()
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2013-03-22 09:57:28 +00:00
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2013-04-11 02:13:15 +00:00
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fmt.Fprintf(stdout, "Pulling %s metadata\r\n", imgId)
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2013-03-21 17:10:14 +00:00
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// Get the Json
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2013-04-15 10:28:54 +00:00
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req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/json", nil)
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2013-03-21 17:10:14 +00:00
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if err != nil {
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2013-03-26 01:48:57 +00:00
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return nil, nil, fmt.Errorf("Failed to download json: %s", err)
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2013-03-21 17:10:14 +00:00
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}
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2013-05-02 15:18:33 +00:00
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req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
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2013-03-22 09:57:28 +00:00
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res, err := client.Do(req)
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2013-03-26 01:48:57 +00:00
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if err != nil {
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return nil, nil, fmt.Errorf("Failed to download json: %s", err)
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}
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if res.StatusCode != 200 {
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return nil, nil, fmt.Errorf("HTTP code %d", res.StatusCode)
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2013-03-22 09:57:28 +00:00
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}
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2013-03-21 17:10:14 +00:00
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defer res.Body.Close()
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jsonString, err := ioutil.ReadAll(res.Body)
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if err != nil {
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2013-03-26 01:48:57 +00:00
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return nil, nil, fmt.Errorf("Failed to download json: %s", err)
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2013-03-21 17:10:14 +00:00
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}
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img, err := NewImgJson(jsonString)
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if err != nil {
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2013-03-26 01:48:57 +00:00
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return nil, nil, fmt.Errorf("Failed to parse json: %s", err)
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2013-03-21 17:10:14 +00:00
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}
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img.Id = imgId
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// Get the layer
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2013-04-11 02:13:15 +00:00
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fmt.Fprintf(stdout, "Pulling %s fs layer\r\n", imgId)
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2013-04-15 10:28:54 +00:00
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req, err = http.NewRequest("GET", registry+"/images/"+imgId+"/layer", nil)
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2013-03-21 17:10:14 +00:00
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if err != nil {
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return nil, nil, fmt.Errorf("Error while getting from the server: %s\n", err)
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}
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2013-05-02 15:18:33 +00:00
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req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
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2013-03-22 14:56:44 +00:00
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res, err = client.Do(req)
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if err != nil {
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return nil, nil, err
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}
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2013-04-21 22:29:26 +00:00
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return img, ProgressReader(res.Body, int(res.ContentLength), stdout, "Downloading %v/%v (%v)"), nil
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2013-03-21 17:10:14 +00:00
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}
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2013-04-17 17:21:32 +00:00
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func (graph *Graph) getRemoteTags(stdout io.Writer, registries []string, repository string, token []string) (map[string]string, error) {
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2013-04-18 15:16:58 +00:00
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client := graph.getHttpClient()
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2013-05-03 01:52:23 +00:00
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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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2013-04-17 17:21:32 +00:00
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for _, host := range registries {
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2013-05-02 22:30:03 +00:00
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endpoint := fmt.Sprintf("https://%s/v1/repositories/%s/tags", host, repository)
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2013-04-17 17:21:32 +00:00
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req, err := http.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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2013-05-02 15:18:33 +00:00
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req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
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2013-04-17 17:21:32 +00:00
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res, err := client.Do(req)
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defer res.Body.Close()
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2013-05-04 16:22:45 +00:00
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Debugf("Got status code %d from %s", res.StatusCode, endpoint)
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2013-04-17 17:21:32 +00:00
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if err != nil || (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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2013-05-08 23:22:12 +00:00
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result := make(map[string]string)
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2013-04-17 17:21:32 +00:00
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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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2013-05-08 23:22:12 +00:00
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if err = json.Unmarshal(rawJson, &result); err != nil {
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2013-04-17 17:21:32 +00:00
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return nil, err
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}
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2013-05-08 23:22:12 +00:00
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return result, nil
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2013-04-17 17:21:32 +00:00
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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 (graph *Graph) getImageForTag(stdout io.Writer, tag, remote, registry string, token []string) (string, error) {
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2013-04-18 15:16:58 +00:00
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client := graph.getHttpClient()
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2013-05-07 11:54:58 +00:00
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if !strings.Contains(remote, "/") {
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remote = "library/" + remote
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}
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2013-04-17 17:21:32 +00:00
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registryEndpoint := "https://" + registry + "/v1"
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2013-04-18 15:16:58 +00:00
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repositoryTarget := registryEndpoint + "/repositories/" + remote + "/tags/" + tag
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2013-04-17 17:21:32 +00:00
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req, err := http.NewRequest("GET", repositoryTarget, nil)
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if err != nil {
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return "", err
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}
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2013-05-02 15:18:33 +00:00
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req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
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2013-04-17 17:21:32 +00:00
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res, err := client.Do(req)
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if err != nil {
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return "", fmt.Errorf("Error while retrieving repository info: %v", err)
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}
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defer res.Body.Close()
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if res.StatusCode == 403 {
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return "", fmt.Errorf("You aren't authorized to access this resource")
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} else if res.StatusCode != 200 {
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return "", fmt.Errorf("HTTP code: %d", res.StatusCode)
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}
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var imgId string
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rawJson, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return "", err
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}
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if err = json.Unmarshal(rawJson, &imgId); err != nil {
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return "", err
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}
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return imgId, nil
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}
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2013-04-15 18:17:03 +00:00
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func (graph *Graph) PullImage(stdout io.Writer, imgId, registry string, token []string) error {
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history, err := graph.getRemoteHistory(imgId, registry, token)
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2013-03-21 17:10:14 +00:00
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if err != nil {
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return err
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}
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// FIXME: Try to stream the images?
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2013-04-15 18:17:03 +00:00
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// FIXME: Launch the getRemoteImage() in goroutines
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2013-04-29 13:56:33 +00:00
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for _, id := range history {
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if !graph.Exists(id) {
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img, layer, err := graph.getRemoteImage(stdout, id, registry, token)
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2013-03-21 17:10:14 +00:00
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if err != nil {
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// FIXME: Keep goging in case of error?
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return err
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}
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2013-05-09 02:08:11 +00:00
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if err = graph.Register(layer, false, img); err != nil {
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2013-03-21 17:10:14 +00:00
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return err
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}
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}
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}
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return nil
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}
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2013-04-15 18:17:03 +00:00
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func (graph *Graph) PullRepository(stdout io.Writer, remote, askedTag string, repositories *TagStore, authConfig *auth.AuthConfig) error {
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2013-04-18 15:16:58 +00:00
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client := graph.getHttpClient()
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2013-03-22 08:25:27 +00:00
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2013-05-03 01:52:23 +00:00
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fmt.Fprintf(stdout, "Pulling repository %s from %s\r\n", remote, INDEX_ENDPOINT)
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2013-04-29 13:56:33 +00:00
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repositoryTarget := INDEX_ENDPOINT + "/repositories/" + remote + "/images"
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2013-03-23 00:41:48 +00:00
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req, err := http.NewRequest("GET", repositoryTarget, nil)
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2013-03-22 08:25:27 +00:00
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if err != nil {
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return err
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}
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2013-05-03 22:37:28 +00:00
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if authConfig != nil && len(authConfig.Username) > 0 {
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2013-04-15 18:17:03 +00:00
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req.SetBasicAuth(authConfig.Username, authConfig.Password)
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}
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2013-04-25 17:12:41 +00:00
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req.Header.Set("X-Docker-Token", "true")
|
2013-04-15 18:17:03 +00:00
|
|
|
|
2013-03-22 08:25:27 +00:00
|
|
|
res, err := client.Do(req)
|
2013-03-26 01:48:57 +00:00
|
|
|
if err != nil {
|
2013-03-22 08:25:27 +00:00
|
|
|
return err
|
|
|
|
}
|
2013-04-01 13:49:51 +00:00
|
|
|
defer res.Body.Close()
|
2013-05-03 01:57:15 +00:00
|
|
|
if res.StatusCode == 401 {
|
|
|
|
return fmt.Errorf("Please login first (HTTP code %d)", res.StatusCode)
|
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
// TODO: Right now we're ignoring checksums in the response body.
|
|
|
|
// In the future, we need to use them to check image validity.
|
2013-03-26 01:48:57 +00:00
|
|
|
if res.StatusCode != 200 {
|
|
|
|
return fmt.Errorf("HTTP code: %d", res.StatusCode)
|
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
|
|
|
|
var token, endpoints []string
|
|
|
|
if res.Header.Get("X-Docker-Token") != "" {
|
|
|
|
token = res.Header["X-Docker-Token"]
|
2013-03-22 08:25:27 +00:00
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
if res.Header.Get("X-Docker-Endpoints") != "" {
|
|
|
|
endpoints = res.Header["X-Docker-Endpoints"]
|
|
|
|
} else {
|
|
|
|
return fmt.Errorf("Index response didn't contain any endpoints")
|
2013-03-22 08:25:27 +00:00
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
|
2013-05-08 23:22:12 +00:00
|
|
|
checksumsJson, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
// Reload the json file to make sure not to overwrite faster sums
|
|
|
|
err = func() error {
|
|
|
|
localChecksums := make(map[string]string)
|
2013-05-09 05:06:23 +00:00
|
|
|
remoteChecksums := []ImgListJson{}
|
2013-05-10 21:25:45 +00:00
|
|
|
checksumDictPth := path.Join(graph.Root, "checksums")
|
2013-05-08 23:22:12 +00:00
|
|
|
|
|
|
|
if err := json.Unmarshal(checksumsJson, &remoteChecksums); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
graph.lockSumFile.Lock()
|
|
|
|
defer graph.lockSumFile.Unlock()
|
|
|
|
|
|
|
|
if checksumDict, err := ioutil.ReadFile(checksumDictPth); err == nil {
|
|
|
|
if err := json.Unmarshal(checksumDict, &localChecksums); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for _, elem := range remoteChecksums {
|
|
|
|
localChecksums[elem.Id] = elem.Checksum
|
|
|
|
}
|
|
|
|
|
|
|
|
checksumsJson, err = json.Marshal(localChecksums)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
if err := ioutil.WriteFile(checksumDictPth, checksumsJson, 0600); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}()
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
2013-04-17 17:21:32 +00:00
|
|
|
var tagsList map[string]string
|
2013-04-15 18:17:03 +00:00
|
|
|
if askedTag == "" {
|
2013-04-17 17:21:32 +00:00
|
|
|
tagsList, err = graph.getRemoteTags(stdout, endpoints, remote, token)
|
2013-04-15 18:17:03 +00:00
|
|
|
if err != nil {
|
2013-03-22 08:25:27 +00:00
|
|
|
return err
|
|
|
|
}
|
2013-04-17 17:21:32 +00:00
|
|
|
} else {
|
2013-04-18 15:34:43 +00:00
|
|
|
tagsList = map[string]string{askedTag: ""}
|
2013-04-17 17:21:32 +00:00
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
|
2013-04-17 17:21:32 +00:00
|
|
|
for askedTag, imgId := range tagsList {
|
2013-05-03 22:37:28 +00:00
|
|
|
fmt.Fprintf(stdout, "Resolving tag \"%s:%s\" from %s\n", remote, askedTag, endpoints)
|
2013-04-17 17:21:32 +00:00
|
|
|
success := false
|
|
|
|
for _, registry := range endpoints {
|
|
|
|
if imgId == "" {
|
|
|
|
imgId, err = graph.getImageForTag(stdout, askedTag, remote, registry, token)
|
|
|
|
if err != nil {
|
2013-04-18 15:34:43 +00:00
|
|
|
fmt.Fprintf(stdout, "Error while retrieving image for tag: %v (%v) ; "+
|
|
|
|
"checking next endpoint", askedTag, err)
|
2013-04-17 17:21:32 +00:00
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
|
2013-04-18 15:34:43 +00:00
|
|
|
if err := graph.PullImage(stdout, imgId, "https://"+registry+"/v1", token); err != nil {
|
2013-04-17 17:21:32 +00:00
|
|
|
return err
|
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
|
2013-04-17 17:21:32 +00:00
|
|
|
if err = repositories.Set(remote, askedTag, imgId, true); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
success = true
|
2013-04-15 18:17:03 +00:00
|
|
|
}
|
|
|
|
|
2013-04-17 17:21:32 +00:00
|
|
|
if !success {
|
|
|
|
return fmt.Errorf("Could not find repository on any of the indexed registries.")
|
2013-04-15 18:17:03 +00:00
|
|
|
}
|
2013-04-17 17:21:32 +00:00
|
|
|
}
|
2013-04-15 18:17:03 +00:00
|
|
|
|
2013-04-17 17:21:32 +00:00
|
|
|
if err = repositories.Save(); err != nil {
|
|
|
|
return err
|
2013-03-22 08:25:27 +00:00
|
|
|
}
|
2013-04-17 17:21:32 +00:00
|
|
|
|
|
|
|
return nil
|
2013-03-22 08:25:27 +00:00
|
|
|
}
|
|
|
|
|
2013-05-09 06:29:02 +00:00
|
|
|
// Push a local image to the registry
|
|
|
|
func (graph *Graph) PushImage(stdout io.Writer, img *Image, registry string, token []string) error {
|
|
|
|
registry = "https://" + registry + "/v1"
|
|
|
|
|
2013-04-26 21:00:09 +00:00
|
|
|
client := graph.getHttpClient()
|
|
|
|
jsonRaw, err := ioutil.ReadFile(path.Join(graph.Root, img.Id, "json"))
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("Error while retreiving the path for {%s}: %s", img.Id, err)
|
|
|
|
}
|
2013-03-21 17:10:14 +00:00
|
|
|
|
2013-04-26 21:00:09 +00:00
|
|
|
fmt.Fprintf(stdout, "Pushing %s metadata\r\n", img.Id)
|
2013-03-22 18:44:12 +00:00
|
|
|
|
2013-04-26 21:00:09 +00:00
|
|
|
// FIXME: try json with UTF8
|
|
|
|
jsonData := strings.NewReader(string(jsonRaw))
|
|
|
|
req, err := http.NewRequest("PUT", registry+"/images/"+img.Id+"/json", jsonData)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
req.Header.Add("Content-type", "application/json")
|
2013-05-02 15:18:33 +00:00
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
2013-04-30 17:01:19 +00:00
|
|
|
|
|
|
|
checksum, err := img.Checksum()
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("Error while retrieving checksum for %s: %v", img.Id, err)
|
|
|
|
}
|
|
|
|
req.Header.Set("X-Docker-Checksum", checksum)
|
2013-05-09 02:36:12 +00:00
|
|
|
Debugf("Setting checksum for %s: %s", img.ShortId(), checksum)
|
2013-04-26 21:00:09 +00:00
|
|
|
res, err := doWithCookies(client, req)
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("Failed to upload metadata: %s", err)
|
|
|
|
}
|
|
|
|
defer res.Body.Close()
|
|
|
|
if len(res.Cookies()) > 0 {
|
|
|
|
client.Jar.SetCookies(req.URL, res.Cookies())
|
|
|
|
}
|
|
|
|
if res.StatusCode != 200 {
|
|
|
|
errBody, err := ioutil.ReadAll(res.Body)
|
2013-03-21 17:10:14 +00:00
|
|
|
if err != nil {
|
2013-05-01 12:26:52 +00:00
|
|
|
return fmt.Errorf("HTTP code %d while uploading metadata and error when"+
|
|
|
|
" trying to parse response body: %v", res.StatusCode, err)
|
2013-03-21 17:10:14 +00:00
|
|
|
}
|
2013-04-26 21:00:09 +00:00
|
|
|
var jsonBody map[string]string
|
|
|
|
if err := json.Unmarshal(errBody, &jsonBody); err != nil {
|
|
|
|
errBody = []byte(err.Error())
|
|
|
|
} else if jsonBody["error"] == "Image already exists" {
|
|
|
|
fmt.Fprintf(stdout, "Image %v already uploaded ; skipping\n", img.Id)
|
|
|
|
return nil
|
2013-03-22 09:57:28 +00:00
|
|
|
}
|
2013-04-26 21:00:09 +00:00
|
|
|
return fmt.Errorf("HTTP code %d while uploading metadata: %s", res.StatusCode, errBody)
|
|
|
|
}
|
2013-03-21 17:10:14 +00:00
|
|
|
|
2013-04-26 21:00:09 +00:00
|
|
|
fmt.Fprintf(stdout, "Pushing %s fs layer\r\n", img.Id)
|
2013-05-09 02:36:12 +00:00
|
|
|
root, err := img.root()
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
var layerData *TempArchive
|
|
|
|
// If the archive exists, use it
|
|
|
|
file, err := os.Open(layerArchivePath(root))
|
2013-04-26 21:00:09 +00:00
|
|
|
if err != nil {
|
2013-05-09 02:36:12 +00:00
|
|
|
if os.IsNotExist(err) {
|
|
|
|
// If the archive does not exist, create one from the layer
|
|
|
|
layerData, err = graph.TempLayerArchive(img.Id, Xz, stdout)
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("Failed to generate layer archive: %s", err)
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
defer file.Close()
|
|
|
|
st, err := file.Stat()
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
layerData = &TempArchive{file, st.Size()}
|
2013-04-26 21:00:09 +00:00
|
|
|
}
|
2013-04-30 21:11:16 +00:00
|
|
|
|
2013-04-26 21:00:09 +00:00
|
|
|
req3, err := http.NewRequest("PUT", registry+"/images/"+img.Id+"/layer",
|
2013-05-09 02:36:12 +00:00
|
|
|
ProgressReader(layerData, int(layerData.Size), stdout, ""))
|
2013-04-26 21:00:09 +00:00
|
|
|
if err != nil {
|
2013-03-21 17:10:14 +00:00
|
|
|
return err
|
|
|
|
}
|
2013-04-26 21:00:09 +00:00
|
|
|
|
|
|
|
req3.ContentLength = -1
|
|
|
|
req3.TransferEncoding = []string{"chunked"}
|
2013-05-02 15:18:33 +00:00
|
|
|
req3.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
2013-04-26 21:00:09 +00:00
|
|
|
res3, err := doWithCookies(client, req3)
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("Failed to upload layer: %s", err)
|
|
|
|
}
|
2013-05-08 21:19:38 +00:00
|
|
|
defer res3.Body.Close()
|
|
|
|
|
2013-04-26 21:00:09 +00:00
|
|
|
if res3.StatusCode != 200 {
|
2013-05-08 21:19:38 +00:00
|
|
|
errBody, err := ioutil.ReadAll(res3.Body)
|
|
|
|
if err != nil {
|
|
|
|
return fmt.Errorf("HTTP code %d while uploading metadata and error when"+
|
|
|
|
" trying to parse response body: %v", res.StatusCode, err)
|
|
|
|
}
|
|
|
|
return fmt.Errorf("Received HTTP code %d while uploading layer: %s", res3.StatusCode, errBody)
|
2013-04-26 21:00:09 +00:00
|
|
|
}
|
2013-03-21 17:10:14 +00:00
|
|
|
return nil
|
|
|
|
}
|
2013-03-22 08:25:27 +00:00
|
|
|
|
2013-03-22 13:38:54 +00:00
|
|
|
// push a tag on the registry.
|
|
|
|
// Remote has the format '<user>/<repo>
|
2013-04-23 16:52:46 +00:00
|
|
|
func (graph *Graph) pushTag(remote, revision, tag, registry string, token []string) error {
|
2013-03-22 13:38:54 +00:00
|
|
|
// "jsonify" the string
|
2013-03-22 08:25:27 +00:00
|
|
|
revision = "\"" + revision + "\""
|
2013-04-23 16:52:46 +00:00
|
|
|
registry = "https://" + registry + "/v1"
|
2013-03-22 08:25:27 +00:00
|
|
|
|
2013-04-15 10:28:54 +00:00
|
|
|
Debugf("Pushing tags for rev [%s] on {%s}\n", revision, registry+"/users/"+remote+"/"+tag)
|
2013-03-22 18:44:12 +00:00
|
|
|
|
2013-04-18 15:16:58 +00:00
|
|
|
client := graph.getHttpClient()
|
2013-04-23 16:52:46 +00:00
|
|
|
req, err := http.NewRequest("PUT", registry+"/repositories/"+remote+"/tags/"+tag, strings.NewReader(revision))
|
2013-04-26 21:00:09 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
2013-03-22 08:25:27 +00:00
|
|
|
req.Header.Add("Content-type", "application/json")
|
2013-05-02 15:18:33 +00:00
|
|
|
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
|
2013-04-26 21:00:09 +00:00
|
|
|
req.ContentLength = int64(len(revision))
|
|
|
|
res, err := doWithCookies(client, req)
|
2013-04-01 13:49:51 +00:00
|
|
|
if err != nil {
|
2013-03-22 08:25:27 +00:00
|
|
|
return err
|
|
|
|
}
|
2013-04-01 13:49:51 +00:00
|
|
|
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)
|
|
|
|
}
|
2013-03-22 08:25:27 +00:00
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2013-03-26 00:20:26 +00:00
|
|
|
// FIXME: this should really be PushTag
|
2013-04-23 16:52:46 +00:00
|
|
|
func (graph *Graph) pushPrimitive(stdout io.Writer, remote, tag, imgId, registry string, token []string) error {
|
2013-03-25 22:29:00 +00:00
|
|
|
// Check if the local impage exists
|
2013-03-22 17:42:13 +00:00
|
|
|
img, err := graph.Get(imgId)
|
|
|
|
if err != nil {
|
2013-04-11 02:13:15 +00:00
|
|
|
fmt.Fprintf(stdout, "Skipping tag %s:%s: %s does not exist\r\n", remote, tag, imgId)
|
2013-03-25 22:29:00 +00:00
|
|
|
return nil
|
2013-03-22 17:42:13 +00:00
|
|
|
}
|
2013-04-23 16:52:46 +00:00
|
|
|
fmt.Fprintf(stdout, "Pushing image %s:%s\r\n", remote, tag)
|
2013-03-22 17:42:13 +00:00
|
|
|
// Push the image
|
2013-04-23 16:52:46 +00:00
|
|
|
if err = graph.PushImage(stdout, img, registry, token); err != nil {
|
2013-03-22 17:42:13 +00:00
|
|
|
return err
|
|
|
|
}
|
2013-04-11 02:13:15 +00:00
|
|
|
fmt.Fprintf(stdout, "Registering tag %s:%s\r\n", remote, tag)
|
2013-03-22 17:42:13 +00:00
|
|
|
// And then the tag
|
2013-04-26 21:00:09 +00:00
|
|
|
if err = graph.pushTag(remote, imgId, tag, registry, token); err != nil {
|
2013-03-22 17:42:13 +00:00
|
|
|
return err
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2013-05-09 05:37:33 +00:00
|
|
|
// Retrieve the checksum of an image
|
|
|
|
// Priority:
|
|
|
|
// - Check on the stored checksums
|
2013-05-09 05:45:40 +00:00
|
|
|
// - Check if the archive exists, if it does not, ask the registry
|
2013-05-09 05:37:33 +00:00
|
|
|
// - If the archive does exists, process the checksum from it
|
|
|
|
// - If the archive does not exists and not found on registry, process checksum from layer
|
|
|
|
func (graph *Graph) getChecksum(imageId string) (string, error) {
|
2013-05-09 05:45:40 +00:00
|
|
|
// FIXME: Use in-memory map instead of reading the file each time
|
|
|
|
if sums, err := graph.getStoredChecksums(); err != nil {
|
|
|
|
return "", err
|
|
|
|
} else if checksum, exists := sums[imageId]; exists {
|
|
|
|
return checksum, nil
|
|
|
|
}
|
|
|
|
|
2013-05-09 05:37:33 +00:00
|
|
|
img, err := graph.Get(imageId)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
2013-05-09 05:45:40 +00:00
|
|
|
|
|
|
|
if _, err := os.Stat(layerArchivePath(graph.imageRoot(imageId))); err != nil {
|
|
|
|
if os.IsNotExist(err) {
|
|
|
|
// TODO: Ask the registry for the checksum
|
|
|
|
// As the archive is not there, it is supposed to come from a pull.
|
|
|
|
} else {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-05-09 05:37:33 +00:00
|
|
|
checksum, err := img.Checksum()
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
return checksum, nil
|
|
|
|
}
|
|
|
|
|
2013-05-09 05:06:23 +00:00
|
|
|
type ImgListJson struct {
|
|
|
|
Id string `json:"id"`
|
|
|
|
Checksum string `json:"checksum,omitempty"`
|
2013-05-09 18:12:37 +00:00
|
|
|
tag string
|
2013-05-09 05:06:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Push a repository to the registry.
|
|
|
|
// Remote has the format '<user>/<repo>
|
|
|
|
func (graph *Graph) PushRepository(stdout io.Writer, remote string, localRepo Repository, authConfig *auth.AuthConfig) error {
|
|
|
|
client := graph.getHttpClient()
|
|
|
|
// FIXME: Do not reset the cookie each time? (need to reset it in case updating latest of a repo and repushing)
|
|
|
|
client.Jar = cookiejar.NewCookieJar()
|
|
|
|
var imgList []*ImgListJson
|
|
|
|
|
2013-05-09 06:29:02 +00:00
|
|
|
fmt.Fprintf(stdout, "Processing checksums\n")
|
|
|
|
imageSet := make(map[string]struct{})
|
2013-05-09 18:12:37 +00:00
|
|
|
|
|
|
|
for tag, id := range localRepo {
|
2013-05-09 06:29:02 +00:00
|
|
|
img, err := graph.Get(id)
|
2013-05-09 05:37:33 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
2013-05-09 06:29:02 +00:00
|
|
|
img.WalkHistory(func(img *Image) error {
|
|
|
|
if _, exists := imageSet[img.Id]; exists {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
imageSet[img.Id] = struct{}{}
|
|
|
|
checksum, err := graph.getChecksum(img.Id)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
2013-05-09 18:12:37 +00:00
|
|
|
imgList = append([]*ImgListJson{{
|
2013-05-09 06:29:02 +00:00
|
|
|
Id: img.Id,
|
|
|
|
Checksum: checksum,
|
2013-05-09 18:12:37 +00:00
|
|
|
tag: tag,
|
|
|
|
}}, imgList...)
|
2013-05-09 06:29:02 +00:00
|
|
|
return nil
|
2013-05-09 05:37:33 +00:00
|
|
|
})
|
2013-04-30 21:11:16 +00:00
|
|
|
}
|
|
|
|
|
2013-04-26 21:00:09 +00:00
|
|
|
imgListJson, err := json.Marshal(imgList)
|
2013-04-23 16:52:46 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
2013-05-09 05:06:23 +00:00
|
|
|
Debugf("json sent: %s\n", imgListJson)
|
|
|
|
|
2013-05-09 06:29:02 +00:00
|
|
|
fmt.Fprintf(stdout, "Sending image list\n")
|
2013-04-30 17:01:19 +00:00
|
|
|
req, err := http.NewRequest("PUT", INDEX_ENDPOINT+"/repositories/"+remote+"/", bytes.NewReader(imgListJson))
|
2013-04-23 16:52:46 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
req.SetBasicAuth(authConfig.Username, authConfig.Password)
|
2013-04-26 21:00:09 +00:00
|
|
|
req.ContentLength = int64(len(imgListJson))
|
2013-04-25 17:12:41 +00:00
|
|
|
req.Header.Set("X-Docker-Token", "true")
|
2013-05-09 05:06:23 +00:00
|
|
|
|
2013-04-23 16:52:46 +00:00
|
|
|
res, err := client.Do(req)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
2013-04-30 17:01:19 +00:00
|
|
|
defer res.Body.Close()
|
2013-05-09 05:06:23 +00:00
|
|
|
|
2013-04-25 16:36:05 +00:00
|
|
|
for res.StatusCode >= 300 && res.StatusCode < 400 {
|
|
|
|
Debugf("Redirected to %s\n", res.Header.Get("Location"))
|
2013-04-26 21:00:09 +00:00
|
|
|
req, err = http.NewRequest("PUT", res.Header.Get("Location"), bytes.NewReader(imgListJson))
|
2013-04-25 16:36:05 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
req.SetBasicAuth(authConfig.Username, authConfig.Password)
|
2013-04-26 21:00:09 +00:00
|
|
|
req.ContentLength = int64(len(imgListJson))
|
2013-04-25 17:12:41 +00:00
|
|
|
req.Header.Set("X-Docker-Token", "true")
|
2013-05-09 05:06:23 +00:00
|
|
|
|
2013-04-25 16:36:05 +00:00
|
|
|
res, err = client.Do(req)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
2013-04-30 17:01:19 +00:00
|
|
|
defer res.Body.Close()
|
2013-04-25 16:36:05 +00:00
|
|
|
}
|
|
|
|
|
2013-04-23 16:52:46 +00:00
|
|
|
if res.StatusCode != 200 && res.StatusCode != 201 {
|
2013-05-09 05:06:23 +00:00
|
|
|
errBody, err := ioutil.ReadAll(res.Body)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
return fmt.Errorf("Error: Status %d trying to push repository %s: %s", res.StatusCode, remote, errBody)
|
2013-04-23 16:52:46 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
var token, endpoints []string
|
|
|
|
if res.Header.Get("X-Docker-Token") != "" {
|
|
|
|
token = res.Header["X-Docker-Token"]
|
2013-04-26 21:00:09 +00:00
|
|
|
Debugf("Auth token: %v", token)
|
2013-04-23 16:52:46 +00:00
|
|
|
} else {
|
|
|
|
return fmt.Errorf("Index response didn't contain an access token")
|
|
|
|
}
|
|
|
|
if res.Header.Get("X-Docker-Endpoints") != "" {
|
|
|
|
endpoints = res.Header["X-Docker-Endpoints"]
|
|
|
|
} else {
|
|
|
|
return fmt.Errorf("Index response didn't contain any endpoints")
|
|
|
|
}
|
|
|
|
|
2013-05-09 05:06:23 +00:00
|
|
|
// FIXME: Send only needed images
|
2013-04-23 16:52:46 +00:00
|
|
|
for _, registry := range endpoints {
|
2013-05-09 05:06:23 +00:00
|
|
|
fmt.Fprintf(stdout, "Pushing repository %s to %s (%d tags)\r\n", remote, registry, len(localRepo))
|
2013-04-23 16:52:46 +00:00
|
|
|
// For each image within the repo, push them
|
2013-05-09 18:12:37 +00:00
|
|
|
for _, elem := range imgList {
|
|
|
|
if err := graph.pushPrimitive(stdout, remote, elem.tag, elem.Id, registry, token); err != nil {
|
2013-04-23 16:52:46 +00:00
|
|
|
// FIXME: Continue on error?
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2013-05-09 05:06:23 +00:00
|
|
|
|
|
|
|
req2, err := http.NewRequest("PUT", INDEX_ENDPOINT+"/repositories/"+remote+"/images", bytes.NewReader(imgListJson))
|
2013-04-23 16:52:46 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
req2.SetBasicAuth(authConfig.Username, authConfig.Password)
|
|
|
|
req2.Header["X-Docker-Endpoints"] = endpoints
|
2013-05-09 05:06:23 +00:00
|
|
|
req2.ContentLength = int64(len(imgListJson))
|
2013-04-26 21:00:09 +00:00
|
|
|
res2, err := client.Do(req2)
|
2013-04-23 16:52:46 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
2013-05-09 05:06:23 +00:00
|
|
|
defer res2.Body.Close()
|
2013-04-23 16:52:46 +00:00
|
|
|
if res2.StatusCode != 204 {
|
2013-05-09 05:06:23 +00:00
|
|
|
if errBody, err := ioutil.ReadAll(res2.Body); err != nil {
|
|
|
|
return err
|
|
|
|
} else {
|
2013-05-09 20:24:00 +00:00
|
|
|
return fmt.Errorf("Error: Status %d trying to push checksums %s: %s", res2.StatusCode, remote, errBody)
|
2013-05-09 05:06:23 +00:00
|
|
|
}
|
2013-04-23 16:52:46 +00:00
|
|
|
}
|
|
|
|
|
2013-03-22 08:25:27 +00:00
|
|
|
return nil
|
|
|
|
}
|
2013-05-02 22:30:03 +00:00
|
|
|
|
2013-05-07 10:49:08 +00:00
|
|
|
type SearchResults struct {
|
|
|
|
Query string `json:"query"`
|
|
|
|
NumResults int `json:"num_results"`
|
|
|
|
Results []map[string]string `json:"results"`
|
|
|
|
}
|
|
|
|
|
|
|
|
func (graph *Graph) SearchRepositories(stdout io.Writer, term string) (*SearchResults, error) {
|
|
|
|
client := graph.getHttpClient()
|
|
|
|
u := INDEX_ENDPOINT + "/search?q=" + url.QueryEscape(term)
|
|
|
|
req, err := http.NewRequest("GET", u, nil)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
res, err := client.Do(req)
|
|
|
|
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
|
|
|
|
}
|