bump api version and ensure backward compat

api.go

@@ -23,7 +23,7 @@ import (
 )
 
 const (
-	APIVERSION        = 1.6
+	APIVERSION        = 1.7
 	DEFAULTHTTPHOST   = "127.0.0.1"
 	DEFAULTHTTPPORT   = 4243
 	DEFAULTUNIXSOCKET = "/var/run/docker.sock"
@@ -191,7 +191,16 @@ func getImagesJSON(srv *Server, version float64, w http.ResponseWriter, r *http.
 		return err
 	}
 
-	return writeJSON(w, http.StatusOK, outs)
+	if version < 1.7 {
+		outs2 := []APIImagesOld{}
+		for _, ctnr := range outs {
+			outs2 = append(outs2, ctnr.ToLegacy()...)
+		}
+
+		return writeJSON(w, http.StatusOK, outs2)
+	} else {
+		return writeJSON(w, http.StatusOK, outs)
+	}
 }
 
 func getImagesViz(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {

api_params.go

@@ -1,5 +1,7 @@
 package docker
 
+import "strings"
+
 type APIHistory struct {
 	ID        string   `json:"Id"`
 	Tags      []string `json:",omitempty"`
@@ -17,6 +19,35 @@ type APIImages struct {
 	ParentId    string `json:",omitempty"`
 }
 
+type APIImagesOld struct {
+	Repository  string `json:",omitempty"`
+	Tag         string `json:",omitempty"`
+	ID          string `json:"Id"`
+	Created     int64
+	Size        int64
+	VirtualSize int64
+}
+
+func (self *APIImages) ToLegacy() []APIImagesOld {
+
+	outs := []APIImagesOld{}
+	for _, repotag := range self.RepoTags {
+
+		components := strings.SplitN(repotag, ":", 2)
+
+		outs = append(outs, APIImagesOld{
+			ID:          self.ID,
+			Repository:  components[0],
+			Tag:         components[1],
+			Created:     self.Created,
+			Size:        self.Size,
+			VirtualSize: self.VirtualSize,
+		})
+	}
+
+	return outs
+}
+
 type APIInfo struct {
 	Debug              bool
 	Containers         int