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package compat
import (
"fmt"
"io/ioutil"
"net/http"
"strings"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v3/libpod"
"github.com/containers/podman/v3/pkg/api/handlers/utils"
"github.com/containers/podman/v3/pkg/auth"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/domain/infra/abi"
"github.com/containers/storage"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
// PushImage is the handler for the compat http endpoint for pushing images.
func PushImage(w http.ResponseWriter, r *http.Request) {
decoder := r.Context().Value("decoder").(*schema.Decoder)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
digestFile, err := ioutil.TempFile("", "digest.txt")
if err != nil {
utils.Error(w, "unable to create digest tempfile", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile"))
return
}
defer digestFile.Close()
// Now use the ABI implementation to prevent us from having duplicate
// code.
imageEngine := abi.ImageEngine{Libpod: runtime}
query := struct {
All bool `schema:"all"`
Compress bool `schema:"compress"`
Destination string `schema:"destination"`
Format string `schema:"format"`
TLSVerify bool `schema:"tlsVerify"`
Tag string `schema:"tag"`
}{
// This is where you can override the golang default value for one of fields
TLSVerify: true,
}
if err := decoder.Decode(&query, r.URL.Query()); err != nil {
utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
return
}
// Note that Docker's docs state "Image name or ID" to be in the path
// parameter but it really must be a name as Docker does not allow for
// pushing an image by ID.
imageName := strings.TrimSuffix(utils.GetName(r), "/push") // GetName returns the entire path
if query.Tag != "" {
imageName += ":" + query.Tag
}
if _, err := utils.ParseStorageReference(imageName); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
errors.Wrapf(err, "image source %q is not a containers-storage-transport reference", imageName))
return
}
authconf, authfile, key, err := auth.GetCredentials(r)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "failed to parse %q header for %s", key, r.URL.String()))
return
}
defer auth.RemoveAuthfile(authfile)
var username, password string
if authconf != nil {
username = authconf.Username
password = authconf.Password
}
options := entities.ImagePushOptions{
All: query.All,
Authfile: authfile,
Compress: query.Compress,
Format: query.Format,
Password: password,
Username: username,
DigestFile: digestFile.Name(),
}
if _, found := r.URL.Query()["tlsVerify"]; found {
options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
}
var destination string
if _, found := r.URL.Query()["destination"]; found {
destination = query.Destination
} else {
destination = imageName
}
if err := imageEngine.Push(r.Context(), imageName, destination, options); err != nil {
if errors.Cause(err) != storage.ErrImageUnknown {
utils.ImageNotFound(w, imageName, errors.Wrapf(err, "failed to find image %s", imageName))
return
}
utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "error pushing image %q", imageName))
return
}
digestBytes, err := ioutil.ReadAll(digestFile)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to read digest tmp file"))
return
}
tag := query.Tag
if tag == "" {
tag = "latest"
}
respData := struct {
Status string `json:"status"`
}{
Status: fmt.Sprintf("%s: digest: %s size: null", tag, string(digestBytes)),
}
utils.WriteJSON(w, http.StatusOK, &respData)
}
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