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package libpod
import (
"context"
"encoding/json"
"fmt"
"net/http"
"strings"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v4/libpod"
"github.com/containers/podman/v4/pkg/api/handlers/utils"
api "github.com/containers/podman/v4/pkg/api/types"
"github.com/containers/podman/v4/pkg/auth"
"github.com/containers/podman/v4/pkg/channel"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/containers/podman/v4/pkg/domain/infra/abi"
"github.com/gorilla/schema"
"github.com/sirupsen/logrus"
)
// PushImage is the handler for the compat http endpoint for pushing images.
func PushImage(w http.ResponseWriter, r *http.Request) {
decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder)
runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime)
query := struct {
All bool `schema:"all"`
CompressionFormat string `schema:"compressionFormat"`
Destination string `schema:"destination"`
Format string `schema:"format"`
RemoveSignatures bool `schema:"removeSignatures"`
TLSVerify bool `schema:"tlsVerify"`
Quiet bool `schema:"quiet"`
}{
TLSVerify: true,
// #14971: older versions did not sent *any* data, so we need
// to be quiet by default to remain backwards compatible
Quiet: true,
}
if err := decoder.Decode(&query, r.URL.Query()); err != nil {
utils.Error(w, http.StatusBadRequest, fmt.Errorf("failed to parse parameters for %s: %w", r.URL.String(), err))
return
}
source := strings.TrimSuffix(utils.GetName(r), "/push") // GetName returns the entire path
if _, err := utils.ParseStorageReference(source); err != nil {
utils.Error(w, http.StatusBadRequest, err)
return
}
destination := query.Destination
if destination == "" {
destination = source
}
if err := utils.IsRegistryReference(destination); err != nil {
utils.Error(w, http.StatusBadRequest, err)
return
}
authconf, authfile, err := auth.GetCredentials(r)
if err != nil {
utils.Error(w, http.StatusBadRequest, err)
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,
CompressionFormat: query.CompressionFormat,
Format: query.Format,
Password: password,
Quiet: true,
RemoveSignatures: query.RemoveSignatures,
Username: username,
}
if _, found := r.URL.Query()["tlsVerify"]; found {
options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
}
imageEngine := abi.ImageEngine{Libpod: runtime}
// Let's keep thing simple when running in quiet mode and push directly.
if query.Quiet {
if err := imageEngine.Push(context.Background(), source, destination, options); err != nil {
utils.Error(w, http.StatusBadRequest, fmt.Errorf("error pushing image %q: %w", destination, err))
return
}
utils.WriteResponse(w, http.StatusOK, "")
return
}
writer := channel.NewWriter(make(chan []byte))
defer writer.Close()
options.Writer = writer
pushCtx, pushCancel := context.WithCancel(r.Context())
var pushError error
go func() {
defer pushCancel()
pushError = imageEngine.Push(pushCtx, source, destination, options)
}()
flush := func() {
if flusher, ok := w.(http.Flusher); ok {
flusher.Flush()
}
}
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "application/json")
flush()
enc := json.NewEncoder(w)
enc.SetEscapeHTML(true)
for {
var report entities.ImagePushReport
select {
case s := <-writer.Chan():
report.Stream = string(s)
if err := enc.Encode(report); err != nil {
logrus.Warnf("Failed to encode json: %v", err)
}
flush()
case <-pushCtx.Done():
if pushError != nil {
report.Error = pushError.Error()
if err := enc.Encode(report); err != nil {
logrus.Warnf("Failed to encode json: %v", err)
}
}
flush()
return
case <-r.Context().Done():
// Client has closed connection
return
}
}
}
|
