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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-02-11 21:25:35 +0100
committerGitHub <noreply@github.com>2020-02-11 21:25:35 +0100
commitd34ce1320cc31327675c501d5de94064c4d79f17 (patch)
treeb05a944b6a0499ddd98611be40e0aceae500ea85 /pkg/api/handlers/libpod
parentcbce43a86589325388e1d6a789e96cb8f66ba3a8 (diff)
parent13187607e7efd56809dd806765de872e1ccb1826 (diff)
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Merge pull request #5083 from vrothberg/v2-libpod-image-endpoints
v2 api: /libpod/images/{import,load,pull}
Diffstat (limited to 'pkg/api/handlers/libpod')
-rw-r--r--pkg/api/handlers/libpod/images.go209
1 files changed, 203 insertions, 6 deletions
diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go
index 6c926c45b..f6459f1eb 100644
--- a/pkg/api/handlers/libpod/images.go
+++ b/pkg/api/handlers/libpod/images.go
@@ -1,15 +1,23 @@
package libpod
import (
+ "context"
"fmt"
+ "io"
"io/ioutil"
"net/http"
"os"
"strconv"
+ "github.com/containers/image/v5/docker"
+ "github.com/containers/image/v5/docker/reference"
+ "github.com/containers/image/v5/transports/alltransports"
+ "github.com/containers/image/v5/types"
"github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/api/handlers"
"github.com/containers/libpod/pkg/api/handlers/utils"
+ "github.com/containers/libpod/pkg/util"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
@@ -176,16 +184,205 @@ func ExportImage(w http.ResponseWriter, r *http.Request) {
}
func ImagesLoad(w http.ResponseWriter, r *http.Request) {
- //TODO ...
- utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.New("/libpod/images/load is not yet implemented"))
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ Reference string `schema:"reference"`
+ }{
+ // Add defaults here once needed.
+ }
+
+ if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
+ return
+ }
+
+ tmpfile, err := ioutil.TempFile("", "libpod-images-load.tar")
+ if err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
+ return
+ }
+ defer os.Remove(tmpfile.Name())
+ defer tmpfile.Close()
+
+ if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file"))
+ return
+ }
+
+ tmpfile.Close()
+ loadedImage, err := runtime.LoadImage(context.Background(), query.Reference, tmpfile.Name(), os.Stderr, "")
+ if err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to load image"))
+ return
+ }
+
+ utils.WriteResponse(w, http.StatusOK, []handlers.LibpodImagesLoadReport{{ID: loadedImage}})
}
func ImagesImport(w http.ResponseWriter, r *http.Request) {
- //TODO ...
- utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.New("/libpod/images/import is not yet implemented"))
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ Changes []string `schema:"changes"`
+ Message string `schema:"message"`
+ Reference string `schema:"reference"`
+ URL string `schema:"URL"`
+ }{
+ // Add defaults here once needed.
+ }
+
+ if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
+ return
+ }
+
+ // Check if we need to load the image from a URL or from the request's body.
+ source := query.URL
+ if len(query.URL) == 0 {
+ tmpfile, err := ioutil.TempFile("", "libpod-images-import.tar")
+ if err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
+ return
+ }
+ defer os.Remove(tmpfile.Name())
+ defer tmpfile.Close()
+
+ if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file"))
+ return
+ }
+
+ tmpfile.Close()
+ source = tmpfile.Name()
+ }
+
+ importedImage, err := runtime.Import(context.Background(), source, query.Reference, query.Changes, query.Message, true)
+ if err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to import image"))
+ return
+ }
+
+ utils.WriteResponse(w, http.StatusOK, handlers.LibpodImagesImportReport{ID: importedImage})
}
func ImagesPull(w http.ResponseWriter, r *http.Request) {
- //TODO ...
- utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.New("/libpod/images/pull is not yet implemented"))
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ Reference string `schema:"reference"`
+ Credentials string `schema:"credentials"`
+ OverrideOS string `schema:"overrideOS"`
+ OverrideArch string `schema:"overrideArch"`
+ TLSVerify bool `schema:"tlsVerify"`
+ AllTags bool `schema:"allTags"`
+ }{
+ TLSVerify: true,
+ }
+
+ if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
+ return
+ }
+
+ if len(query.Reference) == 0 {
+ utils.InternalServerError(w, errors.New("reference parameter cannot be empty"))
+ return
+ }
+ // Enforce the docker transport. This is just a precaution as some callers
+ // might accustomed to using the "transport:reference" notation. Using
+ // another than the "docker://" transport does not really make sense for a
+ // remote case. For loading tarballs, the load and import endpoints should
+ // be used.
+ imageRef, err := alltransports.ParseImageName(query.Reference)
+ if err == nil && imageRef.Transport().Name() != docker.Transport.Name() {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Errorf("reference %q must be a docker reference", query.Reference))
+ return
+ } else if err != nil {
+ origErr := err
+ imageRef, err = alltransports.ParseImageName(fmt.Sprintf("%s:%s", docker.Transport.Name(), query.Reference))
+ if err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(origErr, "reference %q must be a docker reference", query.Reference))
+ return
+ }
+ }
+
+ // all-tags doesn't work with a tagged reference, so let's check early
+ namedRef, err := reference.Parse(query.Reference)
+ if err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "error parsing reference %q", query.Reference))
+ return
+ }
+ if _, isTagged := namedRef.(reference.Tagged); isTagged && query.AllTags {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Errorf("reference %q must not have a tag for all-tags", query.Reference))
+ return
+ }
+
+ var registryCreds *types.DockerAuthConfig
+ if len(query.Credentials) != 0 {
+ creds, err := util.ParseRegistryCreds(query.Credentials)
+ if err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "error parsing credentials %q", query.Credentials))
+ return
+ }
+ registryCreds = creds
+ }
+
+ // Setup the registry options
+ dockerRegistryOptions := image.DockerRegistryOptions{
+ DockerRegistryCreds: registryCreds,
+ OSChoice: query.OverrideOS,
+ ArchitectureChoice: query.OverrideArch,
+ }
+ if query.TLSVerify {
+ dockerRegistryOptions.DockerInsecureSkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
+ }
+
+ // Prepare the images we want to pull
+ imagesToPull := []string{}
+ res := []handlers.LibpodImagesPullReport{}
+ imageName := namedRef.String()
+
+ if !query.AllTags {
+ imagesToPull = append(imagesToPull, imageName)
+ } else {
+ systemContext := image.GetSystemContext("", "", false)
+ tags, err := docker.GetRepositoryTags(context.Background(), systemContext, imageRef)
+ if err != nil {
+ utils.InternalServerError(w, errors.Wrap(err, "error getting repository tags"))
+ return
+ }
+ for _, tag := range tags {
+ imagesToPull = append(imagesToPull, fmt.Sprintf("%s:%s", imageName, tag))
+ }
+ }
+
+ // Finally pull the images
+ for _, img := range imagesToPull {
+ newImage, err := runtime.ImageRuntime().New(
+ context.Background(),
+ img,
+ "",
+ "",
+ os.Stderr,
+ &dockerRegistryOptions,
+ image.SigningOptions{},
+ nil,
+ util.PullImageAlways)
+ if err != nil {
+ utils.InternalServerError(w, errors.Wrapf(err, "error pulling image %q", query.Reference))
+ return
+ }
+ res = append(res, handlers.LibpodImagesPullReport{ID: newImage.ID()})
+ }
+
+ utils.WriteResponse(w, http.StatusOK, res)
}