Compat API: unify pull/push and add missing progress info

Progress bar in JSONMessage is missing compared to docker output both in
pull and push. Additionaly, pull was not using JSONMessage while push
was using the type.
[NO NEW TESTS NEEDED]

Signed-off-by: Jakub Guzik <jguzik@redhat.com>

pkg/api/handlers/compat/images.go

@@ -23,6 +23,7 @@ import (
 	"github.com/containers/podman/v4/pkg/domain/entities"
 	"github.com/containers/podman/v4/pkg/domain/infra/abi"
 	"github.com/containers/storage"
+	"github.com/docker/docker/pkg/jsonmessage"
 	"github.com/gorilla/schema"
 	"github.com/opencontainers/go-digest"
 	"github.com/sirupsen/logrus"
@@ -325,16 +326,8 @@ func CreateImageFromImage(w http.ResponseWriter, r *http.Request) {
 
 loop: // break out of for/select infinite loop
 	for {
-		var report struct {
+		report := jsonmessage.JSONMessage{}
-			Stream   string `json:"stream,omitempty"`
+		report.Progress = &jsonmessage.JSONProgress{}
-			Status   string `json:"status,omitempty"`
-			Progress struct {
-				Current uint64 `json:"current,omitempty"`
-				Total   int64  `json:"total,omitempty"`
-			} `json:"progressDetail,omitempty"`
-			Error string `json:"error,omitempty"`
-			Id    string `json:"id,omitempty"` //nolint:revive,stylecheck
-		}
 		select {
 		case e := <-progress:
 			switch e.Event {
@@ -342,14 +335,15 @@ loop: // break out of for/select infinite loop
 				report.Status = "Pulling fs layer"
 			case types.ProgressEventRead:
 				report.Status = "Downloading"
-				report.Progress.Current = e.Offset
+				report.Progress.Current = int64(e.Offset)
 				report.Progress.Total = e.Artifact.Size
+				report.ProgressMessage = report.Progress.String()
 			case types.ProgressEventSkipped:
 				report.Status = "Already exists"
 			case types.ProgressEventDone:
 				report.Status = "Download complete"
 			}
-			report.Id = e.Artifact.Digest.Encoded()[0:12]
+			report.ID = e.Artifact.Digest.Encoded()[0:12]
 			if err := enc.Encode(report); err != nil {
 				logrus.Warnf("Failed to json encode error %q", err.Error())
 			}
@@ -358,7 +352,11 @@ loop: // break out of for/select infinite loop
 			err := pullRes.err
 			pulledImages := pullRes.images
 			if err != nil {
-				report.Error = err.Error()
+				msg := err.Error()
+				report.Error = &jsonmessage.JSONError{
+					Message: msg,
+				}
+				report.ErrorMessage = msg
 			} else {
 				if len(pulledImages) > 0 {
 					img := pulledImages[0].ID()
@@ -367,9 +365,13 @@ loop: // break out of for/select infinite loop
 					} else {
 						report.Status = "Download complete"
 					}
-					report.Id = img[0:12]
+					report.ID = img[0:12]
 				} else {
-					report.Error = "internal error: no images pulled"
+					msg := "internal error: no images pulled"
+					report.Error = &jsonmessage.JSONError{
+						Message: msg,
+					}
+					report.ErrorMessage = msg
 				}
 			}
 			if err := enc.Encode(report); err != nil {

pkg/api/handlers/compat/images_push.go

@@ -156,6 +156,7 @@ loop: // break out of for/select infinite loop
 					Current: int64(e.Offset),
 					Total:   e.Artifact.Size,
 				}
+				report.ProgressMessage = report.Progress.String()
 			case types.ProgressEventSkipped:
 				report.Status = "Layer already exists"
 			case types.ProgressEventDone: