Add ulimit to docker build.

Signed-off-by: Lei Jitang <leijitang@huawei.com>
Upstream-commit: 877dbbbde8aaf6583a81d9946e4c83db8e356b1a
Component: engine

components/engine/api/server/server.go

@@ -34,6 +34,7 @@ import (
 	"github.com/docker/docker/pkg/sockets"
 	"github.com/docker/docker/pkg/stdcopy"
 	"github.com/docker/docker/pkg/streamformatter"
+	"github.com/docker/docker/pkg/ulimit"
 	"github.com/docker/docker/pkg/version"
 	"github.com/docker/docker/runconfig"
 	"github.com/docker/docker/utils"
@@ -1294,6 +1295,15 @@ func (s *Server) postBuild(version version.Version, w http.ResponseWriter, r *ht
 	buildConfig.CPUSetMems = r.FormValue("cpusetmems")
 	buildConfig.CgroupParent = r.FormValue("cgroupparent")
 
+	var buildUlimits = []*ulimit.Ulimit{}
+	ulimitsJson := r.FormValue("ulimits")
+	if ulimitsJson != "" {
+		if err := json.NewDecoder(strings.NewReader(ulimitsJson)).Decode(&buildUlimits); err != nil {
+			return err
+		}
+		buildConfig.Ulimits = buildUlimits
+	}
+
 	// Job cancellation. Note: not all job types support this.
 	if closeNotifier, ok := w.(http.CloseNotifier); ok {
 		finished := make(chan struct{})